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- Committer: Bazaar Package Importer
- Author(s): Pedro Fragoso
- Date: 2008-08-22 11:50:05 UTC
- mfrom: (0.1.1 upstream)
- mto: This revision was merged to the branch mainline in revision 34.
- Revision ID: james.westby@ubuntu.com-20080822115005-yxj5svf3v9x1mkr7
Tags: upstream-2.4.7
Import upstream version 2.4.7
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devel-docs/libgimpmath/html/libgimpmath-GimpVector.html
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<a name="id2610563"></a><span class="refentrytitle">GimpVector</span>
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</h2>
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<p>GimpVector — Utilities to set up and manipulate vectors.</p>
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<h2><span class="refentrytitle"><a name="libgimpmath-GimpVector.top_of_page"></a>GimpVector</span></h2>
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<p>GimpVector — Utilities to set up and manipulate vectors.</p>
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</tr></table></div>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<a name="libgimpmath-GimpVector.synopsis"></a><h2>Synopsis</h2>
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<pre class="synopsis">
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a>;
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a>;
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector4">GimpVector4</a>;
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-new">gimp_vector2_new</a> (<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> y);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-set">gimp_vector2_set</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> y);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length">gimp_vector2_length</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length-val">gimp_vector2_length_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul">gimp_vector2_mul</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> factor);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul-val">gimp_vector2_mul_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> factor);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize">gimp_vector2_normalize</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize-val">gimp_vector2_normalize_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg">gimp_vector2_neg</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg-val">gimp_vector2_neg_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add">gimp_vector2_add</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *result,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add-val">gimp_vector2_add_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub">gimp_vector2_sub</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *result,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub-val">gimp_vector2_sub_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product">gimp_vector2_inner_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product-val">gimp_vector2_inner_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product">gimp_vector2_cross_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product-val">gimp_vector2_cross_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate">gimp_vector2_rotate</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> alpha);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate-val">gimp_vector2_rotate_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> alpha);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-new">gimp_vector3_new</a> (<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> y,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> z);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-set">gimp_vector3_set</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> y,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> z);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length">gimp_vector3_length</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length-val">gimp_vector3_length_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul">gimp_vector3_mul</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> factor);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul-val">gimp_vector3_mul_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> factor);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize">gimp_vector3_normalize</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize-val">gimp_vector3_normalize_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg">gimp_vector3_neg</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg-val">gimp_vector3_neg_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add">gimp_vector3_add</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *result,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add-val">gimp_vector3_add_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub">gimp_vector3_sub</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *result,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub-val">gimp_vector3_sub_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product">gimp_vector3_inner_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product-val">gimp_vector3_inner_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product">gimp_vector3_cross_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product-val">gimp_vector3_cross_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate">gimp_vector3_rotate</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> alpha,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> beta,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> gamma);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate-val">gimp_vector3_rotate_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> alpha,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> beta,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
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>gdouble</a> gamma);
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void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d">gimp_vector_2d_to_3d</a> (<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> sx,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> sy,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> w,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> h,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> x,
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<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> y,
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const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vp,
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *p);
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<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d-val">gimp_vector_2d_to_3d_val</a> (<a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
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>gint</a> sx,
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<a
216
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
217
>gint</a> sy,
218
<a
219
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
220
>gint</a> w,
221
<a
222
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
223
>gint</a> h,
224
<a
225
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
226
>gint</a> x,
227
<a
228
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
229
>gint</a> y,
230
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vp,
231
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> p);
232
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-3d-to-2d">gimp_vector_3d_to_2d</a> (<a
233
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
234
>gint</a> sx,
235
<a
236
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
237
>gint</a> sy,
238
<a
239
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
240
>gint</a> w,
241
<a
242
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
243
>gint</a> h,
244
<a
245
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
246
>gdouble</a> *x,
247
<a
248
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
249
>gdouble</a> *y,
250
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vp,
251
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *p);
44
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a>;
45
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a>;
46
<a class="link" href="libgimpmath-GimpVector.html#GimpVector4" title="GimpVector4">GimpVector4</a>;
47
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-new" title="gimp_vector2_new ()">gimp_vector2_new</a> (gdouble x,
48
gdouble y);
49
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-set" title="gimp_vector2_set ()">gimp_vector2_set</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector,
50
gdouble x,
51
gdouble y);
52
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length" title="gimp_vector2_length ()">gimp_vector2_length</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector);
53
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length-val" title="gimp_vector2_length_val ()">gimp_vector2_length_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector);
54
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul" title="gimp_vector2_mul ()">gimp_vector2_mul</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector,
55
gdouble factor);
56
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul-val" title="gimp_vector2_mul_val ()">gimp_vector2_mul_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector,
57
gdouble factor);
58
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize" title="gimp_vector2_normalize ()">gimp_vector2_normalize</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector);
59
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize-val" title="gimp_vector2_normalize_val ()">gimp_vector2_normalize_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector);
60
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg" title="gimp_vector2_neg ()">gimp_vector2_neg</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector);
61
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg-val" title="gimp_vector2_neg_val ()">gimp_vector2_neg_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector);
62
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add" title="gimp_vector2_add ()">gimp_vector2_add</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *result,
63
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
64
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);
65
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add-val" title="gimp_vector2_add_val ()">gimp_vector2_add_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
66
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);
67
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub" title="gimp_vector2_sub ()">gimp_vector2_sub</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *result,
68
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
69
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);
70
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub-val" title="gimp_vector2_sub_val ()">gimp_vector2_sub_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
71
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);
72
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product" title="gimp_vector2_inner_product ()">gimp_vector2_inner_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
73
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);
74
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product-val" title="gimp_vector2_inner_product_val ()">gimp_vector2_inner_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
75
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);
76
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product" title="gimp_vector2_cross_product ()">gimp_vector2_cross_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
77
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);
78
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product-val" title="gimp_vector2_cross_product_val ()">gimp_vector2_cross_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
79
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);
80
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate" title="gimp_vector2_rotate ()">gimp_vector2_rotate</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector,
81
gdouble alpha);
82
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate-val" title="gimp_vector2_rotate_val ()">gimp_vector2_rotate_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector,
83
gdouble alpha);
84
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-new" title="gimp_vector3_new ()">gimp_vector3_new</a> (gdouble x,
85
gdouble y,
86
gdouble z);
87
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-set" title="gimp_vector3_set ()">gimp_vector3_set</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector,
88
gdouble x,
89
gdouble y,
90
gdouble z);
91
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length" title="gimp_vector3_length ()">gimp_vector3_length</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector);
92
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length-val" title="gimp_vector3_length_val ()">gimp_vector3_length_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector);
93
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul" title="gimp_vector3_mul ()">gimp_vector3_mul</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector,
94
gdouble factor);
95
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul-val" title="gimp_vector3_mul_val ()">gimp_vector3_mul_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector,
96
gdouble factor);
97
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize" title="gimp_vector3_normalize ()">gimp_vector3_normalize</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector);
98
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize-val" title="gimp_vector3_normalize_val ()">gimp_vector3_normalize_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector);
99
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg" title="gimp_vector3_neg ()">gimp_vector3_neg</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector);
100
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg-val" title="gimp_vector3_neg_val ()">gimp_vector3_neg_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector);
101
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add" title="gimp_vector3_add ()">gimp_vector3_add</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *result,
102
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
103
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);
104
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add-val" title="gimp_vector3_add_val ()">gimp_vector3_add_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
105
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);
106
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub" title="gimp_vector3_sub ()">gimp_vector3_sub</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *result,
107
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
108
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);
109
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub-val" title="gimp_vector3_sub_val ()">gimp_vector3_sub_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
110
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);
111
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product" title="gimp_vector3_inner_product ()">gimp_vector3_inner_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
112
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);
113
gdouble <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product-val" title="gimp_vector3_inner_product_val ()">gimp_vector3_inner_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
114
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);
115
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product" title="gimp_vector3_cross_product ()">gimp_vector3_cross_product</a> (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
116
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);
117
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product-val" title="gimp_vector3_cross_product_val ()">gimp_vector3_cross_product_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
118
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);
119
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate" title="gimp_vector3_rotate ()">gimp_vector3_rotate</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector,
120
gdouble alpha,
121
gdouble beta,
122
gdouble gamma);
123
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate-val" title="gimp_vector3_rotate_val ()">gimp_vector3_rotate_val</a> (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector,
124
gdouble alpha,
125
gdouble beta,
126
gdouble gamma);
127
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()">gimp_vector_2d_to_3d</a> (gint sx,
128
gint sy,
129
gint w,
130
gint h,
131
gint x,
132
gint y,
133
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vp,
134
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *p);
135
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d-val" title="gimp_vector_2d_to_3d_val ()">gimp_vector_2d_to_3d_val</a> (gint sx,
136
gint sy,
137
gint w,
138
gint h,
139
gint x,
140
gint y,
141
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vp,
142
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> p);
143
void <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-3d-to-2d" title="gimp_vector_3d_to_2d ()">gimp_vector_3d_to_2d</a> (gint sx,
144
gint sy,
145
gint w,
146
gint h,
147
gdouble *x,
148
gdouble *y,
149
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vp,
150
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *p);
252
151
</pre>
253
152
</div>
254
153
<div class="refsect1" lang="en">
255
<a name="id2625103"></a><h2>Description</h2>
154
<a name="libgimpmath-GimpVector.description"></a><h2>Description</h2>
256
155
<p>
257
156
Utilities to set up and manipulate vectors.
258
157
259
158
</p>
260
159
</div>
261
160
<div class="refsect1" lang="en">
262
<a name="id2625120"></a><h2>Details</h2>
161
<a name="libgimpmath-GimpVector.details"></a><h2>Details</h2>
263
162
<div class="refsect2" lang="en">
264
<a name="id2625131"></a><h3>
265
<a name="GimpVector2"></a>GimpVector2</h3>
266
<a class="indexterm" name="id2625143"></a><pre class="programlisting">typedef struct {
163
<a name="GimpVector2"></a><h3>GimpVector2</h3>
164
<pre class="programlisting">typedef struct {
267
165
gdouble x, y;
268
166
} GimpVector2;
269
167
</pre>
273
171
</div>
274
172
<hr>
275
173
<div class="refsect2" lang="en">
276
<a name="id2625159"></a><h3>
277
<a name="GimpVector3"></a>GimpVector3</h3>
278
<a class="indexterm" name="id2625171"></a><pre class="programlisting">typedef struct {
174
<a name="GimpVector3"></a><h3>GimpVector3</h3>
175
<pre class="programlisting">typedef struct {
279
176
gdouble x, y, z;
280
177
} GimpVector3;
281
178
</pre>
285
182
</div>
286
183
<hr>
287
184
<div class="refsect2" lang="en">
288
<a name="id2625187"></a><h3>
289
<a name="GimpVector4"></a>GimpVector4</h3>
290
<a class="indexterm" name="id2625199"></a><pre class="programlisting">typedef struct {
185
<a name="GimpVector4"></a><h3>GimpVector4</h3>
186
<pre class="programlisting">typedef struct {
291
187
gdouble x, y, z, w;
292
188
} GimpVector4;
293
189
</pre>
297
193
</div>
298
194
<hr>
299
195
<div class="refsect2" lang="en">
300
<a name="id2625216"></a><h3>
301
<a name="gimp-vector2-new"></a>gimp_vector2_new ()</h3>
302
<a class="indexterm" name="id2625228"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_new (<a
303
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
304
>gdouble</a> x,
305
<a
306
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
307
>gdouble</a> y);</pre>
196
<a name="gimp-vector2-new"></a><h3>gimp_vector2_new ()</h3>
197
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_new (gdouble x,
198
gdouble y);</pre>
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<p>
309
Creates a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a> of coordinates <em class="parameter"><code>x</code></em> and <em class="parameter"><code>y</code></em>.</p>
200
Creates a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a> of coordinates <em class="parameter"><code>x</code></em> and <em class="parameter"><code>y</code></em>.</p>
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<p>
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202
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</p>
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
208
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
318
209
<td> the X coordinate.
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210
</td>
320
211
</tr>
321
212
<tr>
322
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
213
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
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214
<td> the Y coordinate.
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</td>
325
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</tr>
326
217
<tr>
327
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
219
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
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220
</td>
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</tr>
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</tbody>
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</div>
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<hr>
335
226
<div class="refsect2" lang="en">
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<a name="id2625337"></a><h3>
337
<a name="gimp-vector2-set"></a>gimp_vector2_set ()</h3>
338
<a class="indexterm" name="id2625349"></a><pre class="programlisting">void gimp_vector2_set (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector,
339
<a
340
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
341
>gdouble</a> x,
342
<a
343
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
344
>gdouble</a> y);</pre>
227
<a name="gimp-vector2-set"></a><h3>gimp_vector2_set ()</h3>
228
<pre class="programlisting">void gimp_vector2_set (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector,
229
gdouble x,
230
gdouble y);</pre>
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<p>
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Sets the X and Y coordinates of <em class="parameter"><code>vector</code></em> to <em class="parameter"><code>x</code></em> and <em class="parameter"><code>y</code></em>.</p>
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<p>
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
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<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
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<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
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<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
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</td>
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</tr>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
245
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
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<td> the X coordinate.
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</td>
362
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</tr>
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<tr>
364
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
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<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
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<td> the Y coordinate.
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</td>
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</tr>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2625467"></a><h3>
374
<a name="gimp-vector2-length"></a>gimp_vector2_length ()</h3>
375
<a class="indexterm" name="id2625480"></a><pre class="programlisting"><a
376
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
377
>gdouble</a> gimp_vector2_length (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector);</pre>
259
<a name="gimp-vector2-length"></a><h3>gimp_vector2_length ()</h3>
260
<pre class="programlisting">gdouble gimp_vector2_length (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector);</pre>
378
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<p>
379
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Computes the length of a 2D vector.</p>
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<p>
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<col align="left" valign="top">
385
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<tbody>
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269
<tr>
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<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
388
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
270
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
271
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
389
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</td>
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273
</tr>
391
274
<tr>
392
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
275
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
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<td> the length of <em class="parameter"><code>vector</code></em> (a positive gdouble).
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</td>
395
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</tr>
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</div>
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<hr>
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<div class="refsect2" lang="en">
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<a name="id2625553"></a><h3>
402
<a name="gimp-vector2-length-val"></a>gimp_vector2_length_val ()</h3>
403
<a class="indexterm" name="id2625564"></a><pre class="programlisting"><a
404
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
405
>gdouble</a> gimp_vector2_length_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector);</pre>
284
<a name="gimp-vector2-length-val"></a><h3>gimp_vector2_length_val ()</h3>
285
<pre class="programlisting">gdouble gimp_vector2_length_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector);</pre>
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<p>
407
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length"><code class="function">gimp_vector2_length()</code></a> but the
287
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-length" title="gimp_vector2_length ()"><code class="function">gimp_vector2_length()</code></a> but the
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vector is passed by value rather than by reference.</p>
409
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<p>
410
290
413
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<col align="left" valign="top">
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<tbody>
415
295
<tr>
416
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
417
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
296
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
297
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
418
298
</td>
419
299
</tr>
420
300
<tr>
421
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
301
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
422
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<td> the length of <em class="parameter"><code>vector</code></em> (a positive gdouble).
423
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</td>
424
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</tr>
427
307
</div>
428
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<hr>
429
309
<div class="refsect2" lang="en">
430
<a name="id2625647"></a><h3>
431
<a name="gimp-vector2-mul"></a>gimp_vector2_mul ()</h3>
432
<a class="indexterm" name="id2625660"></a><pre class="programlisting">void gimp_vector2_mul (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector,
433
<a
434
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
435
>gdouble</a> factor);</pre>
310
<a name="gimp-vector2-mul"></a><h3>gimp_vector2_mul ()</h3>
311
<pre class="programlisting">void gimp_vector2_mul (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector,
312
gdouble factor);</pre>
436
313
<p>
437
314
Multiplies each component of the <em class="parameter"><code>vector</code></em> by <em class="parameter"><code>factor</code></em>. Note that this
438
315
is equivalent to multiplying the vectors length by <em class="parameter"><code>factor</code></em>.</p>
443
320
<col align="left" valign="top">
444
321
<tbody>
445
322
<tr>
446
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
447
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
323
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
324
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
448
325
</td>
449
326
</tr>
450
327
<tr>
451
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
328
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
452
329
<td> a scalar.
453
330
</td>
454
331
</tr>
457
334
</div>
458
335
<hr>
459
336
<div class="refsect2" lang="en">
460
<a name="id2625757"></a><h3>
461
<a name="gimp-vector2-mul-val"></a>gimp_vector2_mul_val ()</h3>
462
<a class="indexterm" name="id2625769"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_mul_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector,
463
<a
464
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
465
>gdouble</a> factor);</pre>
337
<a name="gimp-vector2-mul-val"></a><h3>gimp_vector2_mul_val ()</h3>
338
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_mul_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector,
339
gdouble factor);</pre>
466
340
<p>
467
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul"><code class="function">gimp_vector2_mul()</code></a> but the vector is
341
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-mul" title="gimp_vector2_mul ()"><code class="function">gimp_vector2_mul()</code></a> but the vector is
468
342
passed by value rather than by reference.</p>
469
343
<p>
470
344
473
347
<col align="left" valign="top">
474
348
<tbody>
475
349
<tr>
476
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
477
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
350
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
351
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
478
352
</td>
479
353
</tr>
480
354
<tr>
481
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
355
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
482
356
<td> a scalar.
483
357
</td>
484
358
</tr>
485
359
<tr>
486
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
487
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
360
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
361
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
488
362
</td>
489
363
</tr>
490
364
</tbody>
492
366
</div>
493
367
<hr>
494
368
<div class="refsect2" lang="en">
495
<a name="id2625875"></a><h3>
496
<a name="gimp-vector2-normalize"></a>gimp_vector2_normalize ()</h3>
497
<a class="indexterm" name="id2625886"></a><pre class="programlisting">void gimp_vector2_normalize (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector);</pre>
369
<a name="gimp-vector2-normalize"></a><h3>gimp_vector2_normalize ()</h3>
370
<pre class="programlisting">void gimp_vector2_normalize (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector);</pre>
498
371
<p>
499
372
Normalizes the <em class="parameter"><code>vector</code></em> so the length of the <em class="parameter"><code>vector</code></em> is 1.0. The nul
500
373
vector will not be changed.</p>
504
377
<div class="variablelist"><table border="0">
505
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<col align="left" valign="top">
506
379
<tbody><tr>
507
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
508
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
380
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
381
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
509
382
</td>
510
383
</tr></tbody>
511
384
</table></div>
512
385
</div>
513
386
<hr>
514
387
<div class="refsect2" lang="en">
515
<a name="id2625955"></a><h3>
516
<a name="gimp-vector2-normalize-val"></a>gimp_vector2_normalize_val ()</h3>
517
<a class="indexterm" name="id2625967"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_normalize_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector);</pre>
388
<a name="gimp-vector2-normalize-val"></a><h3>gimp_vector2_normalize_val ()</h3>
389
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_normalize_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector);</pre>
518
390
<p>
519
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize"><code class="function">gimp_vector2_normalize()</code></a> but the
391
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-normalize" title="gimp_vector2_normalize ()"><code class="function">gimp_vector2_normalize()</code></a> but the
520
392
vector is passed by value rather than by reference.</p>
521
393
<p>
522
394
525
397
<col align="left" valign="top">
526
398
<tbody>
527
399
<tr>
528
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
529
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
400
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
401
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
530
402
</td>
531
403
</tr>
532
404
<tr>
533
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
534
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a> parallel to <em class="parameter"><code>vector</code></em>, pointing in the same
405
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
406
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a> parallel to <em class="parameter"><code>vector</code></em>, pointing in the same
535
407
direction but with a length of 1.0.
536
408
</td>
537
409
</tr>
540
412
</div>
541
413
<hr>
542
414
<div class="refsect2" lang="en">
543
<a name="id2626058"></a><h3>
544
<a name="gimp-vector2-neg"></a>gimp_vector2_neg ()</h3>
545
<a class="indexterm" name="id2626071"></a><pre class="programlisting">void gimp_vector2_neg (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector);</pre>
415
<a name="gimp-vector2-neg"></a><h3>gimp_vector2_neg ()</h3>
416
<pre class="programlisting">void gimp_vector2_neg (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector);</pre>
546
417
<p>
547
418
Negates the <em class="parameter"><code>vector</code></em> (i.e. negate all its coordinates).</p>
548
419
<p>
551
422
<div class="variablelist"><table border="0">
552
423
<col align="left" valign="top">
553
424
<tbody><tr>
554
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
555
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
425
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
426
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
556
427
</td>
557
428
</tr></tbody>
558
429
</table></div>
559
430
</div>
560
431
<hr>
561
432
<div class="refsect2" lang="en">
562
<a name="id2626134"></a><h3>
563
<a name="gimp-vector2-neg-val"></a>gimp_vector2_neg_val ()</h3>
564
<a class="indexterm" name="id2626146"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_neg_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector);</pre>
433
<a name="gimp-vector2-neg-val"></a><h3>gimp_vector2_neg_val ()</h3>
434
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_neg_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector);</pre>
565
435
<p>
566
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg"><code class="function">gimp_vector2_neg()</code></a> but the vector
436
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-neg" title="gimp_vector2_neg ()"><code class="function">gimp_vector2_neg()</code></a> but the vector
567
437
is passed by value rather than by reference.</p>
568
438
<p>
569
439
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<col align="left" valign="top">
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<tbody>
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<tr>
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<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
576
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
445
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
446
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
577
447
</td>
578
448
</tr>
579
449
<tr>
580
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
581
<td> the negated <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
450
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
451
<td> the negated <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
582
452
</td>
583
453
</tr>
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</tbody>
586
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</div>
587
457
<hr>
588
458
<div class="refsect2" lang="en">
589
<a name="id2626231"></a><h3>
590
<a name="gimp-vector2-add"></a>gimp_vector2_add ()</h3>
591
<a class="indexterm" name="id2626243"></a><pre class="programlisting">void gimp_vector2_add (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *result,
592
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
593
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);</pre>
459
<a name="gimp-vector2-add"></a><h3>gimp_vector2_add ()</h3>
460
<pre class="programlisting">void gimp_vector2_add (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *result,
461
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
462
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);</pre>
594
463
<p>
595
Computes the sum of two 2D vectors. The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a> is
464
Computes the sum of two 2D vectors. The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a> is
596
465
stored in <em class="parameter"><code>result</code></em>.</p>
597
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<p>
598
467
601
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<col align="left" valign="top">
602
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<tbody>
603
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<tr>
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<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
605
<td> destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
606
</td>
607
</tr>
608
<tr>
609
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
610
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
611
</td>
612
</tr>
613
<tr>
614
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
615
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
473
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
474
<td> destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
475
</td>
476
</tr>
477
<tr>
478
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
479
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
480
</td>
481
</tr>
482
<tr>
483
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
484
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
616
485
</td>
617
486
</tr>
618
487
</tbody>
620
489
</div>
621
490
<hr>
622
491
<div class="refsect2" lang="en">
623
<a name="id2626371"></a><h3>
624
<a name="gimp-vector2-add-val"></a>gimp_vector2_add_val ()</h3>
625
<a class="indexterm" name="id2626382"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_add_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
626
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);</pre>
492
<a name="gimp-vector2-add-val"></a><h3>gimp_vector2_add_val ()</h3>
493
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_add_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
494
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);</pre>
627
495
<p>
628
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add"><code class="function">gimp_vector2_add()</code></a> but the vectors
496
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-add" title="gimp_vector2_add ()"><code class="function">gimp_vector2_add()</code></a> but the vectors
629
497
are passed by value rather than by reference.</p>
630
498
<p>
631
499
634
502
<col align="left" valign="top">
635
503
<tbody>
636
504
<tr>
637
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
638
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
639
</td>
640
</tr>
641
<tr>
642
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
643
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
644
</td>
645
</tr>
646
<tr>
647
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
648
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
505
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
506
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
507
</td>
508
</tr>
509
<tr>
510
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
511
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
512
</td>
513
</tr>
514
<tr>
515
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
516
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
649
517
</td>
650
518
</tr>
651
519
</tbody>
653
521
</div>
654
522
<hr>
655
523
<div class="refsect2" lang="en">
656
<a name="id2626496"></a><h3>
657
<a name="gimp-vector2-sub"></a>gimp_vector2_sub ()</h3>
658
<a class="indexterm" name="id2626508"></a><pre class="programlisting">void gimp_vector2_sub (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *result,
659
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
660
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);</pre>
524
<a name="gimp-vector2-sub"></a><h3>gimp_vector2_sub ()</h3>
525
<pre class="programlisting">void gimp_vector2_sub (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *result,
526
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
527
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);</pre>
661
528
<p>
662
529
Computes the difference of two 2D vectors (<em class="parameter"><code>vector1</code></em> minus <em class="parameter"><code>vector2</code></em>).
663
The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a> is stored in <em class="parameter"><code>result</code></em>.</p>
530
The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a> is stored in <em class="parameter"><code>result</code></em>.</p>
664
531
<p>
665
532
666
533
</p>
668
535
<col align="left" valign="top">
669
536
<tbody>
670
537
<tr>
671
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
672
<td> the destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
673
</td>
674
</tr>
675
<tr>
676
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
677
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
678
</td>
679
</tr>
680
<tr>
681
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
682
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
538
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
539
<td> the destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
540
</td>
541
</tr>
542
<tr>
543
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
544
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
545
</td>
546
</tr>
547
<tr>
548
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
549
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
683
550
</td>
684
551
</tr>
685
552
</tbody>
687
554
</div>
688
555
<hr>
689
556
<div class="refsect2" lang="en">
690
<a name="id2626648"></a><h3>
691
<a name="gimp-vector2-sub-val"></a>gimp_vector2_sub_val ()</h3>
692
<a class="indexterm" name="id2626659"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_sub_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
693
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);</pre>
557
<a name="gimp-vector2-sub-val"></a><h3>gimp_vector2_sub_val ()</h3>
558
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_sub_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
559
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);</pre>
694
560
<p>
695
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub"><code class="function">gimp_vector2_sub()</code></a> but the vectors
561
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-sub" title="gimp_vector2_sub ()"><code class="function">gimp_vector2_sub()</code></a> but the vectors
696
562
are passed by value rather than by reference.</p>
697
563
<p>
698
564
701
567
<col align="left" valign="top">
702
568
<tbody>
703
569
<tr>
704
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
705
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
706
</td>
707
</tr>
708
<tr>
709
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
710
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
711
</td>
712
</tr>
713
<tr>
714
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
715
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
570
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
571
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
572
</td>
573
</tr>
574
<tr>
575
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
576
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
577
</td>
578
</tr>
579
<tr>
580
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
581
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
716
582
</td>
717
583
</tr>
718
584
</tbody>
720
586
</div>
721
587
<hr>
722
588
<div class="refsect2" lang="en">
723
<a name="id2612687"></a><h3>
724
<a name="gimp-vector2-inner-product"></a>gimp_vector2_inner_product ()</h3>
725
<a class="indexterm" name="id2626766"></a><pre class="programlisting"><a
726
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
727
>gdouble</a> gimp_vector2_inner_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
728
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);</pre>
589
<a name="gimp-vector2-inner-product"></a><h3>gimp_vector2_inner_product ()</h3>
590
<pre class="programlisting">gdouble gimp_vector2_inner_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
591
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);</pre>
729
592
<p>
730
593
Computes the inner (dot) product of two 2D vectors.
731
594
This product is zero if and only if the two vectors are orthognal.</p>
736
599
<col align="left" valign="top">
737
600
<tbody>
738
601
<tr>
739
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
740
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
741
</td>
742
</tr>
743
<tr>
744
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
745
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
746
</td>
747
</tr>
748
<tr>
749
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
602
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
603
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
604
</td>
605
</tr>
606
<tr>
607
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
608
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
609
</td>
610
</tr>
611
<tr>
612
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
750
613
<td> The inner product.
751
614
</td>
752
615
</tr>
755
618
</div>
756
619
<hr>
757
620
<div class="refsect2" lang="en">
758
<a name="id2626853"></a><h3>
759
<a name="gimp-vector2-inner-product-val"></a>gimp_vector2_inner_product_val ()</h3>
760
<a class="indexterm" name="id2626866"></a><pre class="programlisting"><a
761
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
762
>gdouble</a> gimp_vector2_inner_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
763
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);</pre>
621
<a name="gimp-vector2-inner-product-val"></a><h3>gimp_vector2_inner_product_val ()</h3>
622
<pre class="programlisting">gdouble gimp_vector2_inner_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
623
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);</pre>
764
624
<p>
765
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product"><code class="function">gimp_vector2_inner_product()</code></a> but the
625
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-inner-product" title="gimp_vector2_inner_product ()"><code class="function">gimp_vector2_inner_product()</code></a> but the
766
626
vectors are passed by value rather than by reference.</p>
767
627
<p>
768
628
771
631
<col align="left" valign="top">
772
632
<tbody>
773
633
<tr>
774
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
775
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
776
</td>
777
</tr>
778
<tr>
779
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
780
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
781
</td>
782
</tr>
783
<tr>
784
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
634
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
635
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
636
</td>
637
</tr>
638
<tr>
639
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
640
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
641
</td>
642
</tr>
643
<tr>
644
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
785
645
<td> The inner product.
786
646
</td>
787
647
</tr>
790
650
</div>
791
651
<hr>
792
652
<div class="refsect2" lang="en">
793
<a name="id2626962"></a><h3>
794
<a name="gimp-vector2-cross-product"></a>gimp_vector2_cross_product ()</h3>
795
<a class="indexterm" name="id2626973"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_cross_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector1,
796
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector2);</pre>
653
<a name="gimp-vector2-cross-product"></a><h3>gimp_vector2_cross_product ()</h3>
654
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_cross_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector1,
655
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector2);</pre>
797
656
<p>
798
657
Compute the cross product of two vectors. The result is a
799
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a> which is orthognal to both <em class="parameter"><code>vector1</code></em> and <em class="parameter"><code>vector2</code></em>. If
658
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a> which is orthognal to both <em class="parameter"><code>vector1</code></em> and <em class="parameter"><code>vector2</code></em>. If
800
659
<em class="parameter"><code>vector1</code></em> and <em class="parameter"><code>vector2</code></em> are parallel, the result will be the nul
801
660
vector.
802
661
</p>
810
669
<col align="left" valign="top">
811
670
<tbody>
812
671
<tr>
813
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
814
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
815
</td>
816
</tr>
817
<tr>
818
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
819
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
820
</td>
821
</tr>
822
<tr>
823
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
672
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
673
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
674
</td>
675
</tr>
676
<tr>
677
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
678
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
679
</td>
680
</tr>
681
<tr>
682
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
824
683
<td> The cross product.
825
684
</td>
826
685
</tr>
829
688
</div>
830
689
<hr>
831
690
<div class="refsect2" lang="en">
832
<a name="id2627094"></a><h3>
833
<a name="gimp-vector2-cross-product-val"></a>gimp_vector2_cross_product_val ()</h3>
834
<a class="indexterm" name="id2627106"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_cross_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector1,
835
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector2);</pre>
691
<a name="gimp-vector2-cross-product-val"></a><h3>gimp_vector2_cross_product_val ()</h3>
692
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_cross_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector1,
693
<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector2);</pre>
836
694
<p>
837
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product"><code class="function">gimp_vector2_cross_product()</code></a> but the
695
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-cross-product" title="gimp_vector2_cross_product ()"><code class="function">gimp_vector2_cross_product()</code></a> but the
838
696
vectors are passed by value rather than by reference.</p>
839
697
<p>
840
698
843
701
<col align="left" valign="top">
844
702
<tbody>
845
703
<tr>
846
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
847
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
848
</td>
849
</tr>
850
<tr>
851
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
852
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
853
</td>
854
</tr>
855
<tr>
856
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
704
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
705
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
706
</td>
707
</tr>
708
<tr>
709
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
710
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
711
</td>
712
</tr>
713
<tr>
714
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
857
715
<td> The cross product.
858
716
</td>
859
717
</tr>
862
720
</div>
863
721
<hr>
864
722
<div class="refsect2" lang="en">
865
<a name="id2627203"></a><h3>
866
<a name="gimp-vector2-rotate"></a>gimp_vector2_rotate ()</h3>
867
<a class="indexterm" name="id2627213"></a><pre class="programlisting">void gimp_vector2_rotate (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> *vector,
868
<a
869
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
870
>gdouble</a> alpha);</pre>
723
<a name="gimp-vector2-rotate"></a><h3>gimp_vector2_rotate ()</h3>
724
<pre class="programlisting">void gimp_vector2_rotate (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> *vector,
725
gdouble alpha);</pre>
871
726
<p>
872
727
Rotates the <em class="parameter"><code>vector</code></em> counterclockwise by <em class="parameter"><code>alpha</code></em> radians.</p>
873
728
<p>
877
732
<col align="left" valign="top">
878
733
<tbody>
879
734
<tr>
880
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
881
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
735
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
736
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
882
737
</td>
883
738
</tr>
884
739
<tr>
885
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
740
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
886
741
<td> an angle (in radians).
887
742
</td>
888
743
</tr>
891
746
</div>
892
747
<hr>
893
748
<div class="refsect2" lang="en">
894
<a name="id2627293"></a><h3>
895
<a name="gimp-vector2-rotate-val"></a>gimp_vector2_rotate_val ()</h3>
896
<a class="indexterm" name="id2627303"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> gimp_vector2_rotate_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2">GimpVector2</a> vector,
897
<a
898
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
899
>gdouble</a> alpha);</pre>
749
<a name="gimp-vector2-rotate-val"></a><h3>gimp_vector2_rotate_val ()</h3>
750
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> gimp_vector2_rotate_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2">GimpVector2</a> vector,
751
gdouble alpha);</pre>
900
752
<p>
901
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate"><code class="function">gimp_vector2_rotate()</code></a> but the vector
753
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector2-rotate" title="gimp_vector2_rotate ()"><code class="function">gimp_vector2_rotate()</code></a> but the vector
902
754
is passed by value rather than by reference.</p>
903
755
<p>
904
756
907
759
<col align="left" valign="top">
908
760
<tbody>
909
761
<tr>
910
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
911
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a>.
762
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
763
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a>.
912
764
</td>
913
765
</tr>
914
766
<tr>
915
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
767
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
916
768
<td> an angle (in radians).
917
769
</td>
918
770
</tr>
919
771
<tr>
920
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
921
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2"><span class="type">GimpVector2</span></a> representing <em class="parameter"><code>vector</code></em> rotated by <em class="parameter"><code>alpha</code></em>
772
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
773
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector2" title="GimpVector2"><span class="type">GimpVector2</span></a> representing <em class="parameter"><code>vector</code></em> rotated by <em class="parameter"><code>alpha</code></em>
922
774
radians.
923
775
</td>
924
776
</tr>
927
779
</div>
928
780
<hr>
929
781
<div class="refsect2" lang="en">
930
<a name="id2627409"></a><h3>
931
<a name="gimp-vector3-new"></a>gimp_vector3_new ()</h3>
932
<a class="indexterm" name="id2627419"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_new (<a
933
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
934
>gdouble</a> x,
935
<a
936
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
937
>gdouble</a> y,
938
<a
939
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
940
>gdouble</a> z);</pre>
782
<a name="gimp-vector3-new"></a><h3>gimp_vector3_new ()</h3>
783
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_new (gdouble x,
784
gdouble y,
785
gdouble z);</pre>
941
786
<p>
942
Creates a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a> of coordinate <em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em> and <em class="parameter"><code>z</code></em>.</p>
787
Creates a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a> of coordinate <em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em> and <em class="parameter"><code>z</code></em>.</p>
943
788
<p>
944
789
945
790
</p>
947
792
<col align="left" valign="top">
948
793
<tbody>
949
794
<tr>
950
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
795
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
951
796
<td> the X coordinate.
952
797
</td>
953
798
</tr>
954
799
<tr>
955
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
800
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
956
801
<td> the Y coordinate.
957
802
</td>
958
803
</tr>
959
804
<tr>
960
<td><p><span class="term"><em class="parameter"><code>z</code></em> :</span></p></td>
805
<td><p><span class="term"><em class="parameter"><code>z</code></em> :</span></p></td>
961
806
<td> the Z coordinate.
962
807
</td>
963
808
</tr>
964
809
<tr>
965
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
966
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
810
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
811
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
967
812
</td>
968
813
</tr>
969
814
</tbody>
971
816
</div>
972
817
<hr>
973
818
<div class="refsect2" lang="en">
974
<a name="id2627539"></a><h3>
975
<a name="gimp-vector3-set"></a>gimp_vector3_set ()</h3>
976
<a class="indexterm" name="id2627550"></a><pre class="programlisting">void gimp_vector3_set (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector,
977
<a
978
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
979
>gdouble</a> x,
980
<a
981
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
982
>gdouble</a> y,
983
<a
984
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
985
>gdouble</a> z);</pre>
819
<a name="gimp-vector3-set"></a><h3>gimp_vector3_set ()</h3>
820
<pre class="programlisting">void gimp_vector3_set (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector,
821
gdouble x,
822
gdouble y,
823
gdouble z);</pre>
986
824
<p>
987
825
Sets the X, Y and Z coordinates of <em class="parameter"><code>vector</code></em> to <em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em> and <em class="parameter"><code>z</code></em>.</p>
988
826
<p>
992
830
<col align="left" valign="top">
993
831
<tbody>
994
832
<tr>
995
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
996
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
833
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
834
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
997
835
</td>
998
836
</tr>
999
837
<tr>
1000
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
838
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1001
839
<td> the X coordinate.
1002
840
</td>
1003
841
</tr>
1004
842
<tr>
1005
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
843
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1006
844
<td> the Y coordinate.
1007
845
</td>
1008
846
</tr>
1009
847
<tr>
1010
<td><p><span class="term"><em class="parameter"><code>z</code></em> :</span></p></td>
848
<td><p><span class="term"><em class="parameter"><code>z</code></em> :</span></p></td>
1011
849
<td> the Z coordinate.
1012
850
</td>
1013
851
</tr>
1016
854
</div>
1017
855
<hr>
1018
856
<div class="refsect2" lang="en">
1019
<a name="id2627679"></a><h3>
1020
<a name="gimp-vector3-length"></a>gimp_vector3_length ()</h3>
1021
<a class="indexterm" name="id2627689"></a><pre class="programlisting"><a
1022
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1023
>gdouble</a> gimp_vector3_length (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector);</pre>
857
<a name="gimp-vector3-length"></a><h3>gimp_vector3_length ()</h3>
858
<pre class="programlisting">gdouble gimp_vector3_length (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector);</pre>
1024
859
<p>
1025
860
Computes the length of a 3D vector.</p>
1026
861
<p>
1030
865
<col align="left" valign="top">
1031
866
<tbody>
1032
867
<tr>
1033
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1034
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
868
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
869
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1035
870
</td>
1036
871
</tr>
1037
872
<tr>
1038
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
873
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1039
874
<td> the length of <em class="parameter"><code>vector</code></em> (a positive gdouble).
1040
875
</td>
1041
876
</tr>
1044
879
</div>
1045
880
<hr>
1046
881
<div class="refsect2" lang="en">
1047
<a name="id2627755"></a><h3>
1048
<a name="gimp-vector3-length-val"></a>gimp_vector3_length_val ()</h3>
1049
<a class="indexterm" name="id2627765"></a><pre class="programlisting"><a
1050
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1051
>gdouble</a> gimp_vector3_length_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector);</pre>
882
<a name="gimp-vector3-length-val"></a><h3>gimp_vector3_length_val ()</h3>
883
<pre class="programlisting">gdouble gimp_vector3_length_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector);</pre>
1052
884
<p>
1053
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length"><code class="function">gimp_vector3_length()</code></a> but the vector
885
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-length" title="gimp_vector3_length ()"><code class="function">gimp_vector3_length()</code></a> but the vector
1054
886
is passed by value rather than by reference.</p>
1055
887
<p>
1056
888
1059
891
<col align="left" valign="top">
1060
892
<tbody>
1061
893
<tr>
1062
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1063
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
894
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
895
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1064
896
</td>
1065
897
</tr>
1066
898
<tr>
1067
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
899
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1068
900
<td> the length of <em class="parameter"><code>vector</code></em> (a positive gdouble).
1069
901
</td>
1070
902
</tr>
1073
905
</div>
1074
906
<hr>
1075
907
<div class="refsect2" lang="en">
1076
<a name="id2627840"></a><h3>
1077
<a name="gimp-vector3-mul"></a>gimp_vector3_mul ()</h3>
1078
<a class="indexterm" name="id2627851"></a><pre class="programlisting">void gimp_vector3_mul (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector,
1079
<a
1080
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1081
>gdouble</a> factor);</pre>
908
<a name="gimp-vector3-mul"></a><h3>gimp_vector3_mul ()</h3>
909
<pre class="programlisting">void gimp_vector3_mul (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector,
910
gdouble factor);</pre>
1082
911
<p>
1083
912
Multiplies each component of the <em class="parameter"><code>vector</code></em> by <em class="parameter"><code>factor</code></em>. Note that
1084
913
this is equivalent to multiplying the vectors length by <em class="parameter"><code>factor</code></em>.</p>
1089
918
<col align="left" valign="top">
1090
919
<tbody>
1091
920
<tr>
1092
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1093
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
921
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
922
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1094
923
</td>
1095
924
</tr>
1096
925
<tr>
1097
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
926
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
1098
927
<td> a scalar.
1099
928
</td>
1100
929
</tr>
1103
932
</div>
1104
933
<hr>
1105
934
<div class="refsect2" lang="en">
1106
<a name="id2627938"></a><h3>
1107
<a name="gimp-vector3-mul-val"></a>gimp_vector3_mul_val ()</h3>
1108
<a class="indexterm" name="id2627948"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_mul_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector,
1109
<a
1110
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1111
>gdouble</a> factor);</pre>
935
<a name="gimp-vector3-mul-val"></a><h3>gimp_vector3_mul_val ()</h3>
936
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_mul_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector,
937
gdouble factor);</pre>
1112
938
<p>
1113
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul"><code class="function">gimp_vector3_mul()</code></a> but the vector is
939
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-mul" title="gimp_vector3_mul ()"><code class="function">gimp_vector3_mul()</code></a> but the vector is
1114
940
passed by value rather than by reference.</p>
1115
941
<p>
1116
942
1119
945
<col align="left" valign="top">
1120
946
<tbody>
1121
947
<tr>
1122
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1123
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
948
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
949
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1124
950
</td>
1125
951
</tr>
1126
952
<tr>
1127
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
953
<td><p><span class="term"><em class="parameter"><code>factor</code></em> :</span></p></td>
1128
954
<td> a scalar.
1129
955
</td>
1130
956
</tr>
1131
957
<tr>
1132
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1133
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
958
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
959
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1134
960
</td>
1135
961
</tr>
1136
962
</tbody>
1138
964
</div>
1139
965
<hr>
1140
966
<div class="refsect2" lang="en">
1141
<a name="id2628043"></a><h3>
1142
<a name="gimp-vector3-normalize"></a>gimp_vector3_normalize ()</h3>
1143
<a class="indexterm" name="id2628054"></a><pre class="programlisting">void gimp_vector3_normalize (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector);</pre>
967
<a name="gimp-vector3-normalize"></a><h3>gimp_vector3_normalize ()</h3>
968
<pre class="programlisting">void gimp_vector3_normalize (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector);</pre>
1144
969
<p>
1145
970
Normalizes the <em class="parameter"><code>vector</code></em> so the length of the <em class="parameter"><code>vector</code></em> is 1.0. The nul
1146
971
vector will not be changed.</p>
1150
975
<div class="variablelist"><table border="0">
1151
976
<col align="left" valign="top">
1152
977
<tbody><tr>
1153
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1154
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
978
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
979
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1155
980
</td>
1156
981
</tr></tbody>
1157
982
</table></div>
1158
983
</div>
1159
984
<hr>
1160
985
<div class="refsect2" lang="en">
1161
<a name="id2628115"></a><h3>
1162
<a name="gimp-vector3-normalize-val"></a>gimp_vector3_normalize_val ()</h3>
1163
<a class="indexterm" name="id2628126"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_normalize_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector);</pre>
986
<a name="gimp-vector3-normalize-val"></a><h3>gimp_vector3_normalize_val ()</h3>
987
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_normalize_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector);</pre>
1164
988
<p>
1165
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize"><code class="function">gimp_vector3_normalize()</code></a> but the
989
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-normalize" title="gimp_vector3_normalize ()"><code class="function">gimp_vector3_normalize()</code></a> but the
1166
990
vector is passed by value rather than by reference.</p>
1167
991
<p>
1168
992
1171
995
<col align="left" valign="top">
1172
996
<tbody>
1173
997
<tr>
1174
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1175
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
998
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
999
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1176
1000
</td>
1177
1001
</tr>
1178
1002
<tr>
1179
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1180
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a> parallel to <em class="parameter"><code>vector</code></em>, pointing in the same
1003
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1004
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a> parallel to <em class="parameter"><code>vector</code></em>, pointing in the same
1181
1005
direction but with a length of 1.0.
1182
1006
</td>
1183
1007
</tr>
1186
1010
</div>
1187
1011
<hr>
1188
1012
<div class="refsect2" lang="en">
1189
<a name="id2628209"></a><h3>
1190
<a name="gimp-vector3-neg"></a>gimp_vector3_neg ()</h3>
1191
<a class="indexterm" name="id2628219"></a><pre class="programlisting">void gimp_vector3_neg (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector);</pre>
1013
<a name="gimp-vector3-neg"></a><h3>gimp_vector3_neg ()</h3>
1014
<pre class="programlisting">void gimp_vector3_neg (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector);</pre>
1192
1015
<p>
1193
1016
Negates the <em class="parameter"><code>vector</code></em> (i.e. negate all its coordinates).</p>
1194
1017
<p>
1197
1020
<div class="variablelist"><table border="0">
1198
1021
<col align="left" valign="top">
1199
1022
<tbody><tr>
1200
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1201
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1023
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1024
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1202
1025
</td>
1203
1026
</tr></tbody>
1204
1027
</table></div>
1205
1028
</div>
1206
1029
<hr>
1207
1030
<div class="refsect2" lang="en">
1208
<a name="id2628275"></a><h3>
1209
<a name="gimp-vector3-neg-val"></a>gimp_vector3_neg_val ()</h3>
1210
<a class="indexterm" name="id2628286"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_neg_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector);</pre>
1031
<a name="gimp-vector3-neg-val"></a><h3>gimp_vector3_neg_val ()</h3>
1032
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_neg_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector);</pre>
1211
1033
<p>
1212
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg"><code class="function">gimp_vector3_neg()</code></a> but the vector
1034
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-neg" title="gimp_vector3_neg ()"><code class="function">gimp_vector3_neg()</code></a> but the vector
1213
1035
is passed by value rather than by reference.</p>
1214
1036
<p>
1215
1037
1218
1040
<col align="left" valign="top">
1219
1041
<tbody>
1220
1042
<tr>
1221
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1222
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1043
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1044
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1223
1045
</td>
1224
1046
</tr>
1225
1047
<tr>
1226
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1227
<td> the negated <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1048
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1049
<td> the negated <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1228
1050
</td>
1229
1051
</tr>
1230
1052
</tbody>
1232
1054
</div>
1233
1055
<hr>
1234
1056
<div class="refsect2" lang="en">
1235
<a name="id2628362"></a><h3>
1236
<a name="gimp-vector3-add"></a>gimp_vector3_add ()</h3>
1237
<a class="indexterm" name="id2628372"></a><pre class="programlisting">void gimp_vector3_add (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *result,
1238
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
1239
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);</pre>
1057
<a name="gimp-vector3-add"></a><h3>gimp_vector3_add ()</h3>
1058
<pre class="programlisting">void gimp_vector3_add (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *result,
1059
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
1060
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);</pre>
1240
1061
<p>
1241
Computes the sum of two 3D vectors. The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a> is
1062
Computes the sum of two 3D vectors. The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a> is
1242
1063
stored in <em class="parameter"><code>result</code></em>.</p>
1243
1064
<p>
1244
1065
1247
1068
<col align="left" valign="top">
1248
1069
<tbody>
1249
1070
<tr>
1250
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
1251
<td> destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1252
</td>
1253
</tr>
1254
<tr>
1255
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1256
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1257
</td>
1258
</tr>
1259
<tr>
1260
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1261
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1071
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
1072
<td> destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1073
</td>
1074
</tr>
1075
<tr>
1076
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1077
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1078
</td>
1079
</tr>
1080
<tr>
1081
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1082
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1262
1083
</td>
1263
1084
</tr>
1264
1085
</tbody>
1266
1087
</div>
1267
1088
<hr>
1268
1089
<div class="refsect2" lang="en">
1269
<a name="id2628486"></a><h3>
1270
<a name="gimp-vector3-add-val"></a>gimp_vector3_add_val ()</h3>
1271
<a class="indexterm" name="id2628497"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_add_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
1272
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);</pre>
1090
<a name="gimp-vector3-add-val"></a><h3>gimp_vector3_add_val ()</h3>
1091
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_add_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
1092
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);</pre>
1273
1093
<p>
1274
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add"><code class="function">gimp_vector3_add()</code></a> but the vectors
1094
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-add" title="gimp_vector3_add ()"><code class="function">gimp_vector3_add()</code></a> but the vectors
1275
1095
are passed by value rather than by reference.</p>
1276
1096
<p>
1277
1097
1280
1100
<col align="left" valign="top">
1281
1101
<tbody>
1282
1102
<tr>
1283
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1284
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1285
</td>
1286
</tr>
1287
<tr>
1288
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1289
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1290
</td>
1291
</tr>
1292
<tr>
1293
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1294
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1103
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1104
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1105
</td>
1106
</tr>
1107
<tr>
1108
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1109
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1110
</td>
1111
</tr>
1112
<tr>
1113
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1114
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1295
1115
</td>
1296
1116
</tr>
1297
1117
</tbody>
1299
1119
</div>
1300
1120
<hr>
1301
1121
<div class="refsect2" lang="en">
1302
<a name="id2628598"></a><h3>
1303
<a name="gimp-vector3-sub"></a>gimp_vector3_sub ()</h3>
1304
<a class="indexterm" name="id2628609"></a><pre class="programlisting">void gimp_vector3_sub (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *result,
1305
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
1306
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);</pre>
1122
<a name="gimp-vector3-sub"></a><h3>gimp_vector3_sub ()</h3>
1123
<pre class="programlisting">void gimp_vector3_sub (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *result,
1124
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
1125
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);</pre>
1307
1126
<p>
1308
1127
Computes the difference of two 3D vectors (<em class="parameter"><code>vector1</code></em> minus <em class="parameter"><code>vector2</code></em>).
1309
The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a> is stored in <em class="parameter"><code>result</code></em>.</p>
1128
The resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a> is stored in <em class="parameter"><code>result</code></em>.</p>
1310
1129
<p>
1311
1130
1312
1131
</p>
1314
1133
<col align="left" valign="top">
1315
1134
<tbody>
1316
1135
<tr>
1317
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
1318
<td> the destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1319
</td>
1320
</tr>
1321
<tr>
1322
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1323
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1324
</td>
1325
</tr>
1326
<tr>
1327
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1328
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1136
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
1137
<td> the destination for the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1138
</td>
1139
</tr>
1140
<tr>
1141
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1142
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1143
</td>
1144
</tr>
1145
<tr>
1146
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1147
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1329
1148
</td>
1330
1149
</tr>
1331
1150
</tbody>
1333
1152
</div>
1334
1153
<hr>
1335
1154
<div class="refsect2" lang="en">
1336
<a name="id2628733"></a><h3>
1337
<a name="gimp-vector3-sub-val"></a>gimp_vector3_sub_val ()</h3>
1338
<a class="indexterm" name="id2628744"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_sub_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
1339
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);</pre>
1155
<a name="gimp-vector3-sub-val"></a><h3>gimp_vector3_sub_val ()</h3>
1156
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_sub_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
1157
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);</pre>
1340
1158
<p>
1341
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub"><code class="function">gimp_vector3_sub()</code></a> but the vectors
1159
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-sub" title="gimp_vector3_sub ()"><code class="function">gimp_vector3_sub()</code></a> but the vectors
1342
1160
are passed by value rather than by reference.</p>
1343
1161
<p>
1344
1162
1347
1165
<col align="left" valign="top">
1348
1166
<tbody>
1349
1167
<tr>
1350
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1351
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1352
</td>
1353
</tr>
1354
<tr>
1355
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1356
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1357
</td>
1358
</tr>
1359
<tr>
1360
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1361
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1168
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1169
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1170
</td>
1171
</tr>
1172
<tr>
1173
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1174
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1175
</td>
1176
</tr>
1177
<tr>
1178
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1179
<td> the resulting <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1362
1180
</td>
1363
1181
</tr>
1364
1182
</tbody>
1366
1184
</div>
1367
1185
<hr>
1368
1186
<div class="refsect2" lang="en">
1369
<a name="id2628845"></a><h3>
1370
<a name="gimp-vector3-inner-product"></a>gimp_vector3_inner_product ()</h3>
1371
<a class="indexterm" name="id2628856"></a><pre class="programlisting"><a
1372
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1373
>gdouble</a> gimp_vector3_inner_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
1374
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);</pre>
1187
<a name="gimp-vector3-inner-product"></a><h3>gimp_vector3_inner_product ()</h3>
1188
<pre class="programlisting">gdouble gimp_vector3_inner_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
1189
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);</pre>
1375
1190
<p>
1376
1191
Computes the inner (dot) product of two 3D vectors. This product
1377
1192
is zero if and only if the two vectors are orthognal.</p>
1382
1197
<col align="left" valign="top">
1383
1198
<tbody>
1384
1199
<tr>
1385
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1386
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1387
</td>
1388
</tr>
1389
<tr>
1390
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1391
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1392
</td>
1393
</tr>
1394
<tr>
1395
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1200
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1201
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1202
</td>
1203
</tr>
1204
<tr>
1205
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1206
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1207
</td>
1208
</tr>
1209
<tr>
1210
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1396
1211
<td> The inner product.
1397
1212
</td>
1398
1213
</tr>
1401
1216
</div>
1402
1217
<hr>
1403
1218
<div class="refsect2" lang="en">
1404
<a name="id2628944"></a><h3>
1405
<a name="gimp-vector3-inner-product-val"></a>gimp_vector3_inner_product_val ()</h3>
1406
<a class="indexterm" name="id2628957"></a><pre class="programlisting"><a
1407
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1408
>gdouble</a> gimp_vector3_inner_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
1409
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);</pre>
1219
<a name="gimp-vector3-inner-product-val"></a><h3>gimp_vector3_inner_product_val ()</h3>
1220
<pre class="programlisting">gdouble gimp_vector3_inner_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
1221
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);</pre>
1410
1222
<p>
1411
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product"><code class="function">gimp_vector3_inner_product()</code></a> but the
1223
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-inner-product" title="gimp_vector3_inner_product ()"><code class="function">gimp_vector3_inner_product()</code></a> but the
1412
1224
vectors are passed by value rather than by reference.</p>
1413
1225
<p>
1414
1226
1417
1229
<col align="left" valign="top">
1418
1230
<tbody>
1419
1231
<tr>
1420
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1421
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1422
</td>
1423
</tr>
1424
<tr>
1425
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1426
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1427
</td>
1428
</tr>
1429
<tr>
1430
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1232
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1233
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1234
</td>
1235
</tr>
1236
<tr>
1237
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1238
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1239
</td>
1240
</tr>
1241
<tr>
1242
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1431
1243
<td> The inner product.
1432
1244
</td>
1433
1245
</tr>
1436
1248
</div>
1437
1249
<hr>
1438
1250
<div class="refsect2" lang="en">
1439
<a name="id2629065"></a><h3>
1440
<a name="gimp-vector3-cross-product"></a>gimp_vector3_cross_product ()</h3>
1441
<a class="indexterm" name="id2629079"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_cross_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector1,
1442
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector2);</pre>
1251
<a name="gimp-vector3-cross-product"></a><h3>gimp_vector3_cross_product ()</h3>
1252
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_cross_product (const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector1,
1253
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector2);</pre>
1443
1254
<p>
1444
1255
Compute the cross product of two vectors. The result is a
1445
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a> which is orthognal to both <em class="parameter"><code>vector1</code></em> and <em class="parameter"><code>vector2</code></em>. If
1256
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a> which is orthognal to both <em class="parameter"><code>vector1</code></em> and <em class="parameter"><code>vector2</code></em>. If
1446
1257
<em class="parameter"><code>vector1</code></em> and <em class="parameter"><code>vector2</code></em> and parallel, the result will be the nul
1447
1258
vector.
1448
1259
</p>
1456
1267
<col align="left" valign="top">
1457
1268
<tbody>
1458
1269
<tr>
1459
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1460
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1461
</td>
1462
</tr>
1463
<tr>
1464
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1465
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1466
</td>
1467
</tr>
1468
<tr>
1469
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1270
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1271
<td> a pointer to the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1272
</td>
1273
</tr>
1274
<tr>
1275
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1276
<td> a pointer to the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1277
</td>
1278
</tr>
1279
<tr>
1280
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1470
1281
<td> The cross product.
1471
1282
</td>
1472
1283
</tr>
1475
1286
</div>
1476
1287
<hr>
1477
1288
<div class="refsect2" lang="en">
1478
<a name="id2629225"></a><h3>
1479
<a name="gimp-vector3-cross-product-val"></a>gimp_vector3_cross_product_val ()</h3>
1480
<a class="indexterm" name="id2629239"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_cross_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector1,
1481
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector2);</pre>
1289
<a name="gimp-vector3-cross-product-val"></a><h3>gimp_vector3_cross_product_val ()</h3>
1290
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_cross_product_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector1,
1291
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector2);</pre>
1482
1292
<p>
1483
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product"><code class="function">gimp_vector3_cross_product()</code></a> but the
1293
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-cross-product" title="gimp_vector3_cross_product ()"><code class="function">gimp_vector3_cross_product()</code></a> but the
1484
1294
vectors are passed by value rather than by reference.</p>
1485
1295
<p>
1486
1296
1489
1299
<col align="left" valign="top">
1490
1300
<tbody>
1491
1301
<tr>
1492
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1493
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1494
</td>
1495
</tr>
1496
<tr>
1497
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1498
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1499
</td>
1500
</tr>
1501
<tr>
1502
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1302
<td><p><span class="term"><em class="parameter"><code>vector1</code></em> :</span></p></td>
1303
<td> the first <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1304
</td>
1305
</tr>
1306
<tr>
1307
<td><p><span class="term"><em class="parameter"><code>vector2</code></em> :</span></p></td>
1308
<td> the second <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1309
</td>
1310
</tr>
1311
<tr>
1312
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1503
1313
<td> The cross product.
1504
1314
</td>
1505
1315
</tr>
1508
1318
</div>
1509
1319
<hr>
1510
1320
<div class="refsect2" lang="en">
1511
<a name="id2629347"></a><h3>
1512
<a name="gimp-vector3-rotate"></a>gimp_vector3_rotate ()</h3>
1513
<a class="indexterm" name="id2629360"></a><pre class="programlisting">void gimp_vector3_rotate (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vector,
1514
<a
1515
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1516
>gdouble</a> alpha,
1517
<a
1518
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1519
>gdouble</a> beta,
1520
<a
1521
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1522
>gdouble</a> gamma);</pre>
1321
<a name="gimp-vector3-rotate"></a><h3>gimp_vector3_rotate ()</h3>
1322
<pre class="programlisting">void gimp_vector3_rotate (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vector,
1323
gdouble alpha,
1324
gdouble beta,
1325
gdouble gamma);</pre>
1523
1326
<p>
1524
1327
Rotates the <em class="parameter"><code>vector</code></em> around the three axis (Z, Y, and X) by <em class="parameter"><code>alpha</code></em>,
1525
1328
<em class="parameter"><code>beta</code></em> and <em class="parameter"><code>gamma</code></em>, respectively.
1536
1339
<col align="left" valign="top">
1537
1340
<tbody>
1538
1341
<tr>
1539
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1540
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1342
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1343
<td> a pointer to a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1541
1344
</td>
1542
1345
</tr>
1543
1346
<tr>
1544
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
1347
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
1545
1348
<td> the angle (in radian) of rotation around the Z axis.
1546
1349
</td>
1547
1350
</tr>
1548
1351
<tr>
1549
<td><p><span class="term"><em class="parameter"><code>beta</code></em> :</span></p></td>
1352
<td><p><span class="term"><em class="parameter"><code>beta</code></em> :</span></p></td>
1550
1353
<td> the angle (in radian) of rotation around the Y axis.
1551
1354
</td>
1552
1355
</tr>
1553
1356
<tr>
1554
<td><p><span class="term"><em class="parameter"><code>gamma</code></em> :</span></p></td>
1357
<td><p><span class="term"><em class="parameter"><code>gamma</code></em> :</span></p></td>
1555
1358
<td> the angle (in radian) of rotation around the X axis.
1556
1359
</td>
1557
1360
</tr>
1560
1363
</div>
1561
1364
<hr>
1562
1365
<div class="refsect2" lang="en">
1563
<a name="id2629533"></a><h3>
1564
<a name="gimp-vector3-rotate-val"></a>gimp_vector3_rotate_val ()</h3>
1565
<a class="indexterm" name="id2629546"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector3_rotate_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vector,
1566
<a
1567
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1568
>gdouble</a> alpha,
1569
<a
1570
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1571
>gdouble</a> beta,
1572
<a
1573
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1574
>gdouble</a> gamma);</pre>
1366
<a name="gimp-vector3-rotate-val"></a><h3>gimp_vector3_rotate_val ()</h3>
1367
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector3_rotate_val (<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vector,
1368
gdouble alpha,
1369
gdouble beta,
1370
gdouble gamma);</pre>
1575
1371
<p>
1576
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate"><code class="function">gimp_vector3_rotate()</code></a> but the vectors
1372
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector3-rotate" title="gimp_vector3_rotate ()"><code class="function">gimp_vector3_rotate()</code></a> but the vectors
1577
1373
are passed by value rather than by reference.</p>
1578
1374
<p>
1579
1375
1582
1378
<col align="left" valign="top">
1583
1379
<tbody>
1584
1380
<tr>
1585
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1586
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a>.
1381
<td><p><span class="term"><em class="parameter"><code>vector</code></em> :</span></p></td>
1382
<td> a <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a>.
1587
1383
</td>
1588
1384
</tr>
1589
1385
<tr>
1590
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
1386
<td><p><span class="term"><em class="parameter"><code>alpha</code></em> :</span></p></td>
1591
1387
<td> the angle (in radian) of rotation around the Z axis.
1592
1388
</td>
1593
1389
</tr>
1594
1390
<tr>
1595
<td><p><span class="term"><em class="parameter"><code>beta</code></em> :</span></p></td>
1391
<td><p><span class="term"><em class="parameter"><code>beta</code></em> :</span></p></td>
1596
1392
<td> the angle (in radian) of rotation around the Y axis.
1597
1393
</td>
1598
1394
</tr>
1599
1395
<tr>
1600
<td><p><span class="term"><em class="parameter"><code>gamma</code></em> :</span></p></td>
1396
<td><p><span class="term"><em class="parameter"><code>gamma</code></em> :</span></p></td>
1601
1397
<td> the angle (in radian) of rotation around the X axis.
1602
1398
</td>
1603
1399
</tr>
1604
1400
<tr>
1605
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1401
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1606
1402
<td> the rotated vector.
1607
1403
</td>
1608
1404
</tr>
1611
1407
</div>
1612
1408
<hr>
1613
1409
<div class="refsect2" lang="en">
1614
<a name="id2629691"></a><h3>
1615
<a name="gimp-vector-2d-to-3d"></a>gimp_vector_2d_to_3d ()</h3>
1616
<a class="indexterm" name="id2629705"></a><pre class="programlisting">void gimp_vector_2d_to_3d (<a
1617
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1618
>gint</a> sx,
1619
<a
1620
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1621
>gint</a> sy,
1622
<a
1623
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1624
>gint</a> w,
1625
<a
1626
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1627
>gint</a> h,
1628
<a
1629
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1630
>gint</a> x,
1631
<a
1632
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1633
>gint</a> y,
1634
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vp,
1635
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *p);</pre>
1410
<a name="gimp-vector-2d-to-3d"></a><h3>gimp_vector_2d_to_3d ()</h3>
1411
<pre class="programlisting">void gimp_vector_2d_to_3d (gint sx,
1412
gint sy,
1413
gint w,
1414
gint h,
1415
gint x,
1416
gint y,
1417
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vp,
1418
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *p);</pre>
1636
1419
<p>
1637
1420
\"Compute screen (sx, sy) - (sx + w, sy + h) to 3D unit square
1638
1421
mapping. The plane to map to is given in the z field of p. The
1649
1432
<col align="left" valign="top">
1650
1433
<tbody>
1651
1434
<tr>
1652
<td><p><span class="term"><em class="parameter"><code>sx</code></em> :</span></p></td>
1435
<td><p><span class="term"><em class="parameter"><code>sx</code></em> :</span></p></td>
1653
1436
<td> the abscisse of the upper-left screen rectangle.
1654
1437
</td>
1655
1438
</tr>
1656
1439
<tr>
1657
<td><p><span class="term"><em class="parameter"><code>sy</code></em> :</span></p></td>
1440
<td><p><span class="term"><em class="parameter"><code>sy</code></em> :</span></p></td>
1658
1441
<td> the ordinate of the upper-left screen rectangle.
1659
1442
</td>
1660
1443
</tr>
1661
1444
<tr>
1662
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
1445
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
1663
1446
<td> the width of the screen rectangle.
1664
1447
</td>
1665
1448
</tr>
1666
1449
<tr>
1667
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
1450
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
1668
1451
<td> the height of the screen rectangle.
1669
1452
</td>
1670
1453
</tr>
1671
1454
<tr>
1672
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1455
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1673
1456
<td> the abscisse of the point in the screen rectangle to map.
1674
1457
</td>
1675
1458
</tr>
1676
1459
<tr>
1677
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1460
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1678
1461
<td> the ordinate of the point in the screen rectangle to map.
1679
1462
</td>
1680
1463
</tr>
1681
1464
<tr>
1682
<td><p><span class="term"><em class="parameter"><code>vp</code></em> :</span></p></td>
1465
<td><p><span class="term"><em class="parameter"><code>vp</code></em> :</span></p></td>
1683
1466
<td> the position of the observer.
1684
1467
</td>
1685
1468
</tr>
1686
1469
<tr>
1687
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
1470
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
1688
1471
<td> the resulting point.
1689
1472
</td>
1690
1473
</tr>
1693
1476
</div>
1694
1477
<hr>
1695
1478
<div class="refsect2" lang="en">
1696
<a name="id2629977"></a><h3>
1697
<a name="gimp-vector-2d-to-3d-val"></a>gimp_vector_2d_to_3d_val ()</h3>
1698
<a class="indexterm" name="id2629990"></a><pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> gimp_vector_2d_to_3d_val (<a
1699
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1700
>gint</a> sx,
1701
<a
1702
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1703
>gint</a> sy,
1704
<a
1705
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1706
>gint</a> w,
1707
<a
1708
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1709
>gint</a> h,
1710
<a
1711
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1712
>gint</a> x,
1713
<a
1714
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1715
>gint</a> y,
1716
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> vp,
1717
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> p);</pre>
1479
<a name="gimp-vector-2d-to-3d-val"></a><h3>gimp_vector_2d_to_3d_val ()</h3>
1480
<pre class="programlisting"><a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> gimp_vector_2d_to_3d_val (gint sx,
1481
gint sy,
1482
gint w,
1483
gint h,
1484
gint x,
1485
gint y,
1486
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> vp,
1487
<a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> p);</pre>
1718
1488
<p>
1719
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d"><code class="function">gimp_vector_2d_to_3d()</code></a> but the
1489
This function is identical to <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()"><code class="function">gimp_vector_2d_to_3d()</code></a> but the
1720
1490
position of the <em class="parameter"><code>observer</code></em> and the resulting point <em class="parameter"><code>p</code></em> are passed by
1721
1491
value rather than by reference.</p>
1722
1492
<p>
1726
1496
<col align="left" valign="top">
1727
1497
<tbody>
1728
1498
<tr>
1729
<td><p><span class="term"><em class="parameter"><code>sx</code></em> :</span></p></td>
1499
<td><p><span class="term"><em class="parameter"><code>sx</code></em> :</span></p></td>
1730
1500
<td> the abscisse of the upper-left screen rectangle.
1731
1501
</td>
1732
1502
</tr>
1733
1503
<tr>
1734
<td><p><span class="term"><em class="parameter"><code>sy</code></em> :</span></p></td>
1504
<td><p><span class="term"><em class="parameter"><code>sy</code></em> :</span></p></td>
1735
1505
<td> the ordinate of the upper-left screen rectangle.
1736
1506
</td>
1737
1507
</tr>
1738
1508
<tr>
1739
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
1509
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
1740
1510
<td> the width of the screen rectangle.
1741
1511
</td>
1742
1512
</tr>
1743
1513
<tr>
1744
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
1514
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
1745
1515
<td> the height of the screen rectangle.
1746
1516
</td>
1747
1517
</tr>
1748
1518
<tr>
1749
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1519
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1750
1520
<td> the abscisse of the point in the screen rectangle to map.
1751
1521
</td>
1752
1522
</tr>
1753
1523
<tr>
1754
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1524
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1755
1525
<td> the ordinate of the point in the screen rectangle to map.
1756
1526
</td>
1757
1527
</tr>
1758
1528
<tr>
1759
<td><p><span class="term"><em class="parameter"><code>vp</code></em> :</span></p></td>
1529
<td><p><span class="term"><em class="parameter"><code>vp</code></em> :</span></p></td>
1760
1530
<td> position of the observer.
1761
1531
</td>
1762
1532
</tr>
1763
1533
<tr>
1764
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
1534
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
1765
1535
<td> the resulting point.
1766
1536
</td>
1767
1537
</tr>
1768
1538
<tr>
1769
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1770
<td> the computed <a class="link" href="libgimpmath-GimpVector.html#GimpVector3"><span class="type">GimpVector3</span></a> point.
1539
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
1540
<td> the computed <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3"><span class="type">GimpVector3</span></a> point.
1771
1541
</td>
1772
1542
</tr>
1773
1543
</tbody>
1775
1545
</div>
1776
1546
<hr>
1777
1547
<div class="refsect2" lang="en">
1778
<a name="id2630234"></a><h3>
1779
<a name="gimp-vector-3d-to-2d"></a>gimp_vector_3d_to_2d ()</h3>
1780
<a class="indexterm" name="id2630248"></a><pre class="programlisting">void gimp_vector_3d_to_2d (<a
1781
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1782
>gint</a> sx,
1783
<a
1784
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1785
>gint</a> sy,
1786
<a
1787
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1788
>gint</a> w,
1789
<a
1790
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
1791
>gint</a> h,
1792
<a
1793
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1794
>gdouble</a> *x,
1795
<a
1796
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
1797
>gdouble</a> *y,
1798
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *vp,
1799
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3">GimpVector3</a> *p);</pre>
1548
<a name="gimp-vector-3d-to-2d"></a><h3>gimp_vector_3d_to_2d ()</h3>
1549
<pre class="programlisting">void gimp_vector_3d_to_2d (gint sx,
1550
gint sy,
1551
gint w,
1552
gint h,
1553
gdouble *x,
1554
gdouble *y,
1555
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *vp,
1556
const <a class="link" href="libgimpmath-GimpVector.html#GimpVector3" title="GimpVector3">GimpVector3</a> *p);</pre>
1800
1557
<p>
1801
1558
Convert the given 3D point to 2D (project it onto the viewing
1802
1559
plane, (sx, sy, 0) - (sx + w, sy + h, 0). The input is assumed to
1804
1561
observer is passed in vp.
1805
1562
</p>
1806
1563
<p>
1807
This is basically the opposite of <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d"><code class="function">gimp_vector_2d_to_3d()</code></a>.</p>
1564
This is basically the opposite of <a class="link" href="libgimpmath-GimpVector.html#gimp-vector-2d-to-3d" title="gimp_vector_2d_to_3d ()"><code class="function">gimp_vector_2d_to_3d()</code></a>.</p>
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<p>
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</p>
1812
1569
<col align="left" valign="top">
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<tbody>
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<tr>
1815
<td><p><span class="term"><em class="parameter"><code>sx</code></em> :</span></p></td>
1572
<td><p><span class="term"><em class="parameter"><code>sx</code></em> :</span></p></td>
1816
1573
<td> the abscisse of the upper-left screen rectangle.
1817
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</td>
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1575
</tr>
1819
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<tr>
1820
<td><p><span class="term"><em class="parameter"><code>sy</code></em> :</span></p></td>
1577
<td><p><span class="term"><em class="parameter"><code>sy</code></em> :</span></p></td>
1821
1578
<td> the ordinate of the upper-left screen rectangle.
1822
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</td>
1823
1580
</tr>
1824
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<tr>
1825
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
1582
<td><p><span class="term"><em class="parameter"><code>w</code></em> :</span></p></td>
1826
1583
<td> the width of the screen rectangle.
1827
1584
</td>
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</tr>
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<tr>
1830
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
1587
<td><p><span class="term"><em class="parameter"><code>h</code></em> :</span></p></td>
1831
1588
<td> the height of the screen rectangle.
1832
1589
</td>
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1590
</tr>
1834
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<tr>
1835
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1592
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
1836
1593
<td> the abscisse of the point in the screen rectangle to map (return value).
1837
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</td>
1838
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</tr>
1839
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<tr>
1840
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1597
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
1841
1598
<td> the ordinate of the point in the screen rectangle to map (return value).
1842
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</td>
1843
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</tr>
1844
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<tr>
1845
<td><p><span class="term"><em class="parameter"><code>vp</code></em> :</span></p></td>
1602
<td><p><span class="term"><em class="parameter"><code>vp</code></em> :</span></p></td>
1846
1603
<td> position of the observer.
1847
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</td>
1848
1605
</tr>
1849
1606
<tr>
1850
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
1607
<td><p><span class="term"><em class="parameter"><code>p</code></em> :</span></p></td>
1851
1608
<td> the 3D point to project to the plane.
1852
1609
</td>
1853
1610
</tr>
1856
1613
</div>
1857
1614
</div>
1858
1615
<div class="refsect1" lang="en">
1859
<a name="id2630471"></a><h2>See Also</h2>
1860
<p>
1861
<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3"><span class="type">GimpMatrix3</span></a>
1862
</p>
1863
<p>
1864
<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4"><span class="type">GimpMatrix4</span></a>
1865
</p>
1866
</div>
1867
<div class="refsect1" lang="en">
1868
<a name="id2630500"></a><div class="refsect2" lang="en"><a name="id2630501"></a></div>
1616
<a name="libgimpmath-GimpVector.see-also"></a><h2>See Also</h2>
1617
<p>
1618
<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix3" title="GimpMatrix3"><span class="type">GimpMatrix3</span></a>
1619
</p>
1620
<p>
1621
<a class="link" href="libgimpmath-GimpMatrix.html#GimpMatrix4" title="GimpMatrix4"><span class="type">GimpMatrix4</span></a>
1622
</p>
1623
</div>
1624
</div>
1625
<div class="footer">
1869
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<hr>
1870
<div class="refsect2" lang="en"><a name="id2630502"></a></div>
1871
</div>
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</div>
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</body>
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