~ubuntu-branches/ubuntu/oneiric/gimp/oneiric

<link rel="up" href="libgimp-image.html" title="Manupulating Images and their Properties">

<link rel="prev" href="libgimp-gimpcolor.html" title="gimpcolor">

<link rel="next" href="libgimp-gimpdisplay.html" title="gimpdisplay">

<link rel="stylesheet" href="style.css" type="text/css">

<link rel="part" href="libgimp.html" title="Part I. GIMP Library">

<link rel="chapter" href="libgimp-general.html" title="Functions not Related to Specific Images">

<th width="100%" align="center">GIMP Library Reference Manual</th>

<td><a accesskey="n" href="libgimp-gimpdisplay.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>

</tr>

</table>

<div class="refentry" lang="en">

<a name="libgimp-gimpconvert"></a><div class="titlepage"></div>

<a name="libgimp-gimpconvert.synopsis"></a><h2>Synopsis</h2>

<pre class="synopsis">

<a

                                                         <a class="link" href="libgimp-gimpenums.html#GimpConvertDitherType" title="enum GimpConvertDitherType">GimpConvertDitherType</a> dither_type,

                                                         <a class="link" href="libgimp-gimpenums.html#GimpConvertPaletteType" title="enum GimpConvertPaletteType">GimpConvertPaletteType</a> palette_type,

                                                         <a

>gint</a> num_cols,

                                                         <a

>gboolean</a> alpha_dither,

                                                         <a

>gboolean</a> remove_unused,

                                                         const <a

>gchar</a> *palette);

<a

>gboolean</a>            <a class="link" href="libgimp-gimpconvert.html#gimp-image-convert-set-dither-matrix" title="gimp_image_convert_set_dither_matrix ()">gimp_image_convert_set_dither_matrix</a>

                                                        (<a

>gint</a> width,

                                                         <a

>gint</a> height,

                                                         <a

>gint</a> matrix_length,

</pre>

</div>

<div class="refsect1" lang="en">

<a name="libgimp-gimpconvert.description"></a><h2>Description</h2>

<p>

Conversions between RGB, indexed, and grayscale modes.

</p>

</div>

<div class="refsect1" lang="en">

<div class="refsect2" lang="en">

<a name="gimp-image-convert-rgb"></a><h3>gimp_image_convert_rgb ()</h3>

<pre class="programlisting"><a

<p>

Convert specified image to RGB color

</p>

image content is lost in this process aside from the colormap for an

indexed image.</p>

<p>

</p>

<div class="variablelist"><table border="0">

<col align="left" valign="top">

<div class="refsect2" lang="en">

<a name="gimp-image-convert-grayscale"></a><h3>gimp_image_convert_grayscale ()</h3>

<pre class="programlisting"><a

<p>

Convert specified image to grayscale (256 intensity levels)

</p>

per pixel (256 intensity levels). This process requires an image in

RGB or Indexed color mode.</p>

<p>

</p>

<div class="variablelist"><table border="0">

<col align="left" valign="top">

<div class="refsect2" lang="en">

<a name="gimp-image-convert-indexed"></a><h3>gimp_image_convert_indexed ()</h3>

<pre class="programlisting"><a

                                                         <a class="link" href="libgimp-gimpenums.html#GimpConvertDitherType" title="enum GimpConvertDitherType">GimpConvertDitherType</a> dither_type,

                                                         <a class="link" href="libgimp-gimpenums.html#GimpConvertPaletteType" title="enum GimpConvertPaletteType">GimpConvertPaletteType</a> palette_type,

                                                         <a

>gint</a> num_cols,

                                                         <a

>gboolean</a> alpha_dither,

                                                         <a

>gboolean</a> remove_unused,

                                                         const <a

>gchar</a> *palette);</pre>

<p>

Convert specified image to and Indexed image

diffusion with reduced bleeding, '3' means dithering based on pixel

location ('Fixed' dithering).</p>

<p>

</p>

<div class="variablelist"><table border="0">

<col align="left" valign="top">

<div class="refsect2" lang="en">

<a name="gimp-image-convert-set-dither-matrix"></a><h3>gimp_image_convert_set_dither_matrix ()</h3>

<pre class="programlisting"><a

>gboolean</a>            gimp_image_convert_set_dither_matrix

                                                        (<a

>gint</a> width,

                                                         <a

>gint</a> height,

                                                         <a

>gint</a> matrix_length,

<p>

Set dither matrix for conversion to indexed

</p>

This procedure sets the dither matrix used when converting images to

INDEXED mode with positional dithering.</p>

<p>

</p>

<div class="variablelist"><table border="0">

<col align="left" valign="top">

</tr>

</tbody>

</table></div>

</div>

</div>

</div>

<div class="footer">

<hr>

</body>

</html>