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<a name="libgimpcolor-GimpBilinear.synopsis"></a><h2>Synopsis</h2>

<pre class="synopsis">

<a

>gdouble</a>             <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear" title="gimp_bilinear ()">gimp_bilinear</a>                       (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a

>gdouble</a> *values);

<a

>guchar</a>              <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-8" title="gimp_bilinear_8 ()">gimp_bilinear_8</a>                     (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a

>guchar</a> *values);

guint16             <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-16" title="gimp_bilinear_16 ()">gimp_bilinear_16</a>                    (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         guint16 *values);

guint32             <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-32" title="gimp_bilinear_32 ()">gimp_bilinear_32</a>                    (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         guint32 *values);

<a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a>             <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-rgb" title="gimp_bilinear_rgb ()">gimp_bilinear_rgb</a>                   (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a> *values);

<a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a>             <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-rgba" title="gimp_bilinear_rgba ()">gimp_bilinear_rgba</a>                  (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a> *values);

void                <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-pixels-8" title="gimp_bilinear_pixels_8 ()">gimp_bilinear_pixels_8</a>              (<a

>guchar</a> *dest,

                                                         <a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a

>guint</a> bpp,

                                                         <a

>gboolean</a> has_alpha,

                                                         <a

>guchar</a> **values);

</pre>

</div>

<div class="refsect2" lang="en">

<a name="gimp-bilinear"></a><h3>gimp_bilinear ()</h3>

<pre class="programlisting"><a

>gdouble</a>             gimp_bilinear                       (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a

>gdouble</a> *values);</pre>

<p>

 

<div class="refsect2" lang="en">

<a name="gimp-bilinear-8"></a><h3>gimp_bilinear_8 ()</h3>

<pre class="programlisting"><a

>guchar</a>              gimp_bilinear_8                     (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a

>guchar</a> *values);</pre>

<p>

 

<div class="refsect2" lang="en">

<a name="gimp-bilinear-16"></a><h3>gimp_bilinear_16 ()</h3>

<pre class="programlisting">guint16             gimp_bilinear_16                    (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         guint16 *values);</pre>

<p>

<div class="refsect2" lang="en">

<a name="gimp-bilinear-32"></a><h3>gimp_bilinear_32 ()</h3>

<pre class="programlisting">guint32             gimp_bilinear_32                    (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         guint32 *values);</pre>

<p>

<div class="refsect2" lang="en">

<a name="gimp-bilinear-rgb"></a><h3>gimp_bilinear_rgb ()</h3>

<pre class="programlisting"><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a>             gimp_bilinear_rgb                   (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a> *values);</pre>

<p>

<div class="refsect2" lang="en">

<a name="gimp-bilinear-rgba"></a><h3>gimp_bilinear_rgba ()</h3>

<pre class="programlisting"><a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a>             gimp_bilinear_rgba                  (<a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a class="link" href="libgimpcolor-GimpRGB.html#GimpRGB" title="GimpRGB">GimpRGB</a> *values);</pre>

<p>

<div class="refsect2" lang="en">

<a name="gimp-bilinear-pixels-8"></a><h3>gimp_bilinear_pixels_8 ()</h3>

<pre class="programlisting">void                gimp_bilinear_pixels_8              (<a

>guchar</a> *dest,

                                                         <a

>gdouble</a> x,

                                                         <a

>gdouble</a> y,

                                                         <a

>guint</a> bpp,

                                                         <a

>gboolean</a> has_alpha,

                                                         <a

>guchar</a> **values);</pre>

<p>

Computes bilinear interpolation of four pixels.

</p>

<p>

When <em class="parameter"><code>has_alpha</code></em> is <a

><code class="literal">FALSE</code></a>, it's identical to <a class="link" href="libgimpcolor-GimpBilinear.html#gimp-bilinear-8" title="gimp_bilinear_8 ()"><code class="function">gimp_bilinear_8()</code></a> on

each channel separately.  When <em class="parameter"><code>has_alpha</code></em> is <a

><code class="literal">TRUE</code></a>, it handles

alpha channel correctly.

</p>

<tr>

<td><p><span class="term"><em class="parameter"><code>has_alpha</code></em> :</span></p></td>

<td> <a

><code class="literal">TRUE</code></a> if the last channel is an alpha channel.

</td>

</tr>