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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>hb-paint: HarfBuzz Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets Vsnapshot">
<link rel="home" href="index.html" title="HarfBuzz Manual">
<link rel="up" href="core-api.html" title="Core API">
<link rel="prev" href="harfbuzz-hb-draw.html" title="hb-draw">
<link rel="next" href="harfbuzz-hb-deprecated.html" title="hb-deprecated">
<meta name="generator" content="GTK-Doc V1.34.0 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#harfbuzz-hb-paint.description" class="shortcut">Description</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="core-api.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="harfbuzz-hb-draw.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="harfbuzz-hb-deprecated.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="harfbuzz-hb-paint"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="harfbuzz-hb-paint.top_of_page"></a>hb-paint</span></h2>
<p>hb-paint — Glyph painting</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="harfbuzz-hb-paint.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="returnvalue">hb_paint_funcs_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-create" title="hb_paint_funcs_create ()">hb_paint_funcs_create</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="returnvalue">hb_paint_funcs_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-get-empty" title="hb_paint_funcs_get_empty ()">hb_paint_funcs_get_empty</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="returnvalue">hb_paint_funcs_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-reference" title="hb_paint_funcs_reference ()">hb_paint_funcs_reference</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-destroy" title="hb_paint_funcs_destroy ()">hb_paint_funcs_destroy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-user-data" title="hb_paint_funcs_set_user_data ()">hb_paint_funcs_set_user_data</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span> *
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-get-user-data" title="hb_paint_funcs_get_user_data ()">hb_paint_funcs_get_user_data</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-make-immutable" title="hb_paint_funcs_make_immutable ()">hb_paint_funcs_make_immutable</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-is-immutable" title="hb_paint_funcs_is_immutable ()">hb_paint_funcs_is_immutable</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-transform-func-t" title="hb_paint_push_transform_func_t ()">*hb_paint_push_transform_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-push-transform-func" title="hb_paint_funcs_set_push_transform_func ()">hb_paint_funcs_set_push_transform_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-transform-func-t" title="hb_paint_pop_transform_func_t ()">*hb_paint_pop_transform_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-pop-transform-func" title="hb_paint_funcs_set_pop_transform_func ()">hb_paint_funcs_set_pop_transform_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-color-glyph-func-t" title="hb_paint_color_glyph_func_t ()">*hb_paint_color_glyph_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-color-glyph-func" title="hb_paint_funcs_set_color_glyph_func ()">hb_paint_funcs_set_color_glyph_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-clip-glyph-func-t" title="hb_paint_push_clip_glyph_func_t ()">*hb_paint_push_clip_glyph_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-push-clip-glyph-func" title="hb_paint_funcs_set_push_clip_glyph_func ()">hb_paint_funcs_set_push_clip_glyph_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-clip-rectangle-func-t" title="hb_paint_push_clip_rectangle_func_t ()">*hb_paint_push_clip_rectangle_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-push-clip-rectangle-func" title="hb_paint_funcs_set_push_clip_rectangle_func ()">hb_paint_funcs_set_push_clip_rectangle_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-clip-func-t" title="hb_paint_pop_clip_func_t ()">*hb_paint_pop_clip_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-pop-clip-func" title="hb_paint_funcs_set_pop_clip_func ()">hb_paint_funcs_set_pop_clip_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-color-func-t" title="hb_paint_color_func_t ()">*hb_paint_color_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-color-func" title="hb_paint_funcs_set_color_func ()">hb_paint_funcs_set_color_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-image-func-t" title="hb_paint_image_func_t ()">*hb_paint_image_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-image-func" title="hb_paint_funcs_set_image_func ()">hb_paint_funcs_set_image_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">unsigned <span class="returnvalue">int</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-color-line-get-color-stops-func-t" title="hb_color_line_get_color_stops_func_t ()">*hb_color_line_get_color_stops_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">unsigned <span class="returnvalue">int</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-color-line-get-color-stops" title="hb_color_line_get_color_stops ()">hb_color_line_get_color_stops</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-extend-t" title="enum hb_paint_extend_t"><span class="returnvalue">hb_paint_extend_t</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-color-line-get-extend-func-t" title="hb_color_line_get_extend_func_t ()">*hb_color_line_get_extend_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-extend-t" title="enum hb_paint_extend_t"><span class="returnvalue">hb_paint_extend_t</span></a>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-color-line-get-extend" title="hb_color_line_get_extend ()">hb_color_line_get_extend</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-linear-gradient-func-t" title="hb_paint_linear_gradient_func_t ()">*hb_paint_linear_gradient_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-linear-gradient-func" title="hb_paint_funcs_set_linear_gradient_func ()">hb_paint_funcs_set_linear_gradient_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-radial-gradient-func-t" title="hb_paint_radial_gradient_func_t ()">*hb_paint_radial_gradient_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-radial-gradient-func" title="hb_paint_funcs_set_radial_gradient_func ()">hb_paint_funcs_set_radial_gradient_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-sweep-gradient-func-t" title="hb_paint_sweep_gradient_func_t ()">*hb_paint_sweep_gradient_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-sweep-gradient-func" title="hb_paint_funcs_set_sweep_gradient_func ()">hb_paint_funcs_set_sweep_gradient_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-group-func-t" title="hb_paint_push_group_func_t ()">*hb_paint_push_group_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-push-group-func" title="hb_paint_funcs_set_push_group_func ()">hb_paint_funcs_set_push_group_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-group-func-t" title="hb_paint_pop_group_func_t ()">*hb_paint_pop_group_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-pop-group-func" title="hb_paint_funcs_set_pop_group_func ()">hb_paint_funcs_set_pop_group_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-paint.html#hb-paint-custom-palette-color-func-t" title="hb_paint_custom_palette_color_func_t ()">*hb_paint_custom_palette_color_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-custom-palette-color-func" title="hb_paint_funcs_set_custom_palette_color_func ()">hb_paint_funcs_set_custom_palette_color_func</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-transform" title="hb_paint_push_transform ()">hb_paint_push_transform</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-font-transform" title="hb_paint_push_font_transform ()">hb_paint_push_font_transform</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-inverse-font-transform" title="hb_paint_push_inverse_font_transform ()">hb_paint_push_inverse_font_transform</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-transform" title="hb_paint_pop_transform ()">hb_paint_pop_transform</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-color-glyph" title="hb_paint_color_glyph ()">hb_paint_color_glyph</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-clip-glyph" title="hb_paint_push_clip_glyph ()">hb_paint_push_clip_glyph</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-clip-rectangle" title="hb_paint_push_clip_rectangle ()">hb_paint_push_clip_rectangle</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-clip" title="hb_paint_pop_clip ()">hb_paint_pop_clip</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-color" title="hb_paint_color ()">hb_paint_color</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-image" title="hb_paint_image ()">hb_paint_image</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-linear-gradient" title="hb_paint_linear_gradient ()">hb_paint_linear_gradient</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-radial-gradient" title="hb_paint_radial_gradient ()">hb_paint_radial_gradient</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-sweep-gradient" title="hb_paint_sweep_gradient ()">hb_paint_sweep_gradient</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-group" title="hb_paint_push_group ()">hb_paint_push_group</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-group" title="hb_paint_pop_group ()">hb_paint_pop_group</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
</td>
<td class="function_name">
<a class="link" href="harfbuzz-hb-paint.html#hb-paint-custom-palette-color" title="hb_paint_custom_palette_color ()">hb_paint_custom_palette_color</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="harfbuzz-hb-paint.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t">hb_paint_funcs_t</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#HB-PAINT-IMAGE-FORMAT-PNG:CAPS" title="HB_PAINT_IMAGE_FORMAT_PNG">HB_PAINT_IMAGE_FORMAT_PNG</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#HB-PAINT-IMAGE-FORMAT-SVG:CAPS" title="HB_PAINT_IMAGE_FORMAT_SVG">HB_PAINT_IMAGE_FORMAT_SVG</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#HB-PAINT-IMAGE-FORMAT-BGRA:CAPS" title="HB_PAINT_IMAGE_FORMAT_BGRA">HB_PAINT_IMAGE_FORMAT_BGRA</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#hb-color-line-t" title="hb_color_line_t">hb_color_line_t</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#hb-color-stop-t" title="hb_color_stop_t">hb_color_stop_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#hb-paint-extend-t" title="enum hb_paint_extend_t">hb_paint_extend_t</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-paint.html#hb-paint-composite-mode-t" title="enum hb_paint_composite_mode_t">hb_paint_composite_mode_t</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="harfbuzz-hb-paint.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <hb.h>
</pre>
</div>
<div class="refsect1">
<a name="harfbuzz-hb-paint.description"></a><h2>Description</h2>
<p>Functions for painting glyphs.</p>
<p>The main purpose of these functions is to paint (extract) color glyph layers
from the COLRv1 table, but the API works for drawing ordinary outlines and
images as well.</p>
<p>The <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> struct can be used with <a class="link" href="harfbuzz-hb-font.html#hb-font-paint-glyph" title="hb_font_paint_glyph ()"><code class="function">hb_font_paint_glyph()</code></a>.</p>
</div>
<div class="refsect1">
<a name="harfbuzz-hb-paint.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="hb-paint-funcs-create"></a><h3>hb_paint_funcs_create ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="returnvalue">hb_paint_funcs_t</span></a> *
hb_paint_funcs_create (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Creates a new <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> structure of paint functions.</p>
<p>The initial reference count of 1 should be released with <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-destroy" title="hb_paint_funcs_destroy ()"><code class="function">hb_paint_funcs_destroy()</code></a>
when you are done using the <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a>. This function never returns
<code class="literal">NULL</code>. If memory cannot be allocated, a special singleton <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a>
object will be returned.</p>
<p>Returns value: (transfer full): the paint-functions structure</p>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-get-empty"></a><h3>hb_paint_funcs_get_empty ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="returnvalue">hb_paint_funcs_t</span></a> *
hb_paint_funcs_get_empty (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Fetches the singleton empty paint-functions structure.</p>
<div class="refsect3">
<a name="hb-paint-funcs-get-empty.returns"></a><h4>Returns</h4>
<p>The empty paint-functions structure. </p>
<p><span class="annotation">[<acronym title="The caller owns the data, and is responsible for free it."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-reference"></a><h3>hb_paint_funcs_reference ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="returnvalue">hb_paint_funcs_t</span></a> *
hb_paint_funcs_reference (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>);</pre>
<p>Increases the reference count on a paint-functions structure.</p>
<p>This prevents <em class="parameter"><code>funcs</code></em>
from being destroyed until a matching
call to <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-destroy" title="hb_paint_funcs_destroy ()"><code class="function">hb_paint_funcs_destroy()</code></a> is made.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="hb-paint-funcs-reference.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>The paint-functions structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="hb-paint-funcs-reference.returns"></a><h4>Returns</h4>
<p> The paint-functions structure</p>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-destroy"></a><h3>hb_paint_funcs_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
hb_paint_funcs_destroy (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>);</pre>
<p>Decreases the reference count on a paint-functions structure.</p>
<p>When the reference count reaches zero, the structure
is destroyed, freeing all memory.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="hb-paint-funcs-destroy.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>The paint-functions structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-set-user-data"></a><h3>hb_paint_funcs_set_user_data ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
hb_paint_funcs_set_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-user-data-key-t" title="hb_user_data_key_t"><span class="type">hb_user_data_key_t</span></a> *key</code></em>,
<em class="parameter"><code><span class="type">void</span> *data</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="type">hb_bool_t</span></a> replace</code></em>);</pre>
<p>Attaches a user-data key/data pair to the specified paint-functions structure.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="hb-paint-funcs-set-user-data.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>The paint-functions structure</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>The user-data key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>A pointer to the user data</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>destroy</p></td>
<td class="parameter_description"><p>A callback to call when <em class="parameter"><code>data</code></em>
is not needed anymore. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>replace</p></td>
<td class="parameter_description"><p>Whether to replace an existing data with the same key</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="hb-paint-funcs-set-user-data.returns"></a><h4>Returns</h4>
<p> <code class="literal">true</code> if success, <code class="literal">false</code> otherwise</p>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-get-user-data"></a><h3>hb_paint_funcs_get_user_data ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> *
hb_paint_funcs_get_user_data (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-user-data-key-t" title="hb_user_data_key_t"><span class="type">hb_user_data_key_t</span></a> *key</code></em>);</pre>
<p>Fetches the user-data associated with the specified key,
attached to the specified paint-functions structure.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="hb-paint-funcs-get-user-data.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>The paint-functions structure</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>The user-data key to query</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="hb-paint-funcs-get-user-data.returns"></a><h4>Returns</h4>
<p>A pointer to the user data. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-make-immutable"></a><h3>hb_paint_funcs_make_immutable ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
hb_paint_funcs_make_immutable (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>);</pre>
<p>Makes a paint-functions structure immutable.</p>
<p>After this call, all attempts to set one of the callbacks
on <em class="parameter"><code>funcs</code></em>
will fail.</p>
<div class="refsect3">
<a name="hb-paint-funcs-make-immutable.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>The paint-functions structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-is-immutable"></a><h3>hb_paint_funcs_is_immutable ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
hb_paint_funcs_is_immutable (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>);</pre>
<p>Tests whether a paint-functions structure is immutable.</p>
<div class="refsect3">
<a name="hb-paint-funcs-is-immutable.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>The paint-functions structure</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="hb-paint-funcs-is-immutable.returns"></a><h4>Returns</h4>
<p> <code class="literal">true</code> if <em class="parameter"><code>funcs</code></em>
is immutable, <code class="literal">false</code> otherwise</p>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-push-transform-func-t"></a><h3>hb_paint_push_transform_func_t ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*hb_paint_push_transform_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><span class="type">void</span> *paint_data</code></em>,
<em class="parameter"><code><span class="type">float</span> xx</code></em>,
<em class="parameter"><code><span class="type">float</span> yx</code></em>,
<em class="parameter"><code><span class="type">float</span> xy</code></em>,
<em class="parameter"><code><span class="type">float</span> yy</code></em>,
<em class="parameter"><code><span class="type">float</span> dx</code></em>,
<em class="parameter"><code><span class="type">float</span> dy</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
<p>A virtual method for the <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> to apply
a transform to subsequent paint calls.</p>
<p>This transform is applied after the current transform,
and remains in effect until a matching call to
the <span class="type">hb_paint_funcs_pop_transform_func_t</span> vfunc.</p>
<div class="refsect3">
<a name="hb-paint-push-transform-func-t.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>paint functions object</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>paint_data</p></td>
<td class="parameter_description"><p>The data accompanying the paint functions in <a class="link" href="harfbuzz-hb-font.html#hb-font-paint-glyph" title="hb_font_paint_glyph ()"><code class="function">hb_font_paint_glyph()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>xx</p></td>
<td class="parameter_description"><p>xx component of the transform matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>yx</p></td>
<td class="parameter_description"><p>yx component of the transform matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>xy</p></td>
<td class="parameter_description"><p>xy component of the transform matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>yy</p></td>
<td class="parameter_description"><p>yy component of the transform matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dx</p></td>
<td class="parameter_description"><p>dx component of the transform matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dy</p></td>
<td class="parameter_description"><p>dy component of the transform matrix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data pointer passed to <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-push-transform-func" title="hb_paint_funcs_set_push_transform_func ()"><code class="function">hb_paint_funcs_set_push_transform_func()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-set-push-transform-func"></a><h3>hb_paint_funcs_set_push_transform_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
hb_paint_funcs_set_push_transform_func
(<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-push-transform-func-t" title="hb_paint_push_transform_func_t ()"><span class="type">hb_paint_push_transform_func_t</span></a> func</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre>
<p>Sets the push-transform callback on the paint functions struct.</p>
<div class="refsect3">
<a name="hb-paint-funcs-set-push-transform-func.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>A paint functions struct</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>The push-transform callback. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>destroy</p></td>
<td class="parameter_description"><p>Function to call when <em class="parameter"><code>user_data</code></em>
is no longer needed. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-pop-transform-func-t"></a><h3>hb_paint_pop_transform_func_t ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*hb_paint_pop_transform_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><span class="type">void</span> *paint_data</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
<p>A virtual method for the <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> to undo
the effect of a prior call to the <span class="type">hb_paint_funcs_push_transform_func_t</span>
vfunc.</p>
<div class="refsect3">
<a name="hb-paint-pop-transform-func-t.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>paint functions object</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>paint_data</p></td>
<td class="parameter_description"><p>The data accompanying the paint functions in <a class="link" href="harfbuzz-hb-font.html#hb-font-paint-glyph" title="hb_font_paint_glyph ()"><code class="function">hb_font_paint_glyph()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data pointer passed to <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-set-pop-transform-func" title="hb_paint_funcs_set_pop_transform_func ()"><code class="function">hb_paint_funcs_set_pop_transform_func()</code></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-funcs-set-pop-transform-func"></a><h3>hb_paint_funcs_set_pop_transform_func ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
hb_paint_funcs_set_pop_transform_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-pop-transform-func-t" title="hb_paint_pop_transform_func_t ()"><span class="type">hb_paint_pop_transform_func_t</span></a> func</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre>
<p>Sets the pop-transform callback on the paint functions struct.</p>
<div class="refsect3">
<a name="hb-paint-funcs-set-pop-transform-func.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>funcs</p></td>
<td class="parameter_description"><p>A paint functions struct</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>The pop-transform callback. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>destroy</p></td>
<td class="parameter_description"><p>Function to call when <em class="parameter"><code>user_data</code></em>
is no longer needed. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-7-0-0.html#api-index-7.0.0">7.0.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="hb-paint-color-glyph-func-t"></a><h3>hb_paint_color_glyph_func_t ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a>
<span class="c_punctuation">(</span>*hb_paint_color_glyph_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> *funcs</code></em>,
<em class="parameter"><code><span class="type">void</span> *paint_data</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> glyph</code></em>,
<em class="parameter"><code><a class="link" href="harfbuzz-hb-font.html#hb-font-t" title="hb_font_t"><span class="type">hb_font_t</span></a> *font</code></em>,
<em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre>
<p>A virtual method for the <a class="link" href="harfbuzz-hb-paint.html#hb-paint-funcs-t" title="hb_paint_funcs_t"><span class="type">hb_paint_funcs_t</span></a> to render a color glyph by glyph index.</p>
<div class="refsect3">
<a name="hb-paint-color-glyph-func-t.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">