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<a href="#pango-pango-renderer.description" class="shortcut">Description</a>
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<a href="#pango-pango-renderer.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<h2><span class="refentrytitle"><a name="pango-pango-renderer.top_of_page"></a>PangoRenderer</span></h2>
<p>PangoRenderer — Rendering driver base class</p>
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<div class="refsynopsisdiv">
<a name="pango-pango-renderer.synopsis"></a><h2>Synopsis</h2>
<a name="PangoRenderer"></a><a name="PangoRenderPart"></a><pre class="synopsis">struct <a class="link" href="pango-pango-renderer.html#PangoRenderer-struct" title="struct PangoRenderer">PangoRenderer</a>;
enum <a class="link" href="pango-pango-renderer.html#PangoRenderPart-enum" title="enum PangoRenderPart">PangoRenderPart</a>;
#define <a class="link" href="pango-pango-renderer.html#PANGO-TYPE-RENDER-PART:CAPS" title="PANGO_TYPE_RENDER_PART">PANGO_TYPE_RENDER_PART</a>
struct <a class="link" href="pango-pango-renderer.html#PangoRendererClass" title="struct PangoRendererClass">PangoRendererClass</a>;
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-layout" title="pango_renderer_draw_layout ()">pango_renderer_draw_layout</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a> *layout</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-layout-line" title="pango_renderer_draw_layout_line ()">pango_renderer_draw_layout_line</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Layout-Objects.html#PangoLayoutLine"><span class="type">PangoLayoutLine</span></a> *line</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-glyphs" title="pango_renderer_draw_glyphs ()">pango_renderer_draw_glyphs</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a> *font</code></em>,
<em class="parameter"><code><a class="link" href="pango-Glyph-Storage.html#PangoGlyphString"><span class="type">PangoGlyphString</span></a> *glyphs</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-glyph-item" title="pango_renderer_draw_glyph_item ()">pango_renderer_draw_glyph_item</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *text</code></em>,
<em class="parameter"><code><a class="link" href="pango-Glyph-Storage.html#PangoGlyphItem"><span class="type">PangoGlyphItem</span></a> *glyph_item</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-rectangle" title="pango_renderer_draw_rectangle ()">pango_renderer_draw_rectangle</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-error-underline" title="pango_renderer_draw_error_underline ()">pango_renderer_draw_error_underline</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-trapezoid" title="pango_renderer_draw_trapezoid ()">pango_renderer_draw_trapezoid</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>,
<em class="parameter"><code><span class="type">double</span> y1_</code></em>,
<em class="parameter"><code><span class="type">double</span> x11</code></em>,
<em class="parameter"><code><span class="type">double</span> x21</code></em>,
<em class="parameter"><code><span class="type">double</span> y2</code></em>,
<em class="parameter"><code><span class="type">double</span> x12</code></em>,
<em class="parameter"><code><span class="type">double</span> x22</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-glyph" title="pango_renderer_draw_glyph ()">pango_renderer_draw_glyph</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a> *font</code></em>,
<em class="parameter"><code><a class="link" href="pango-Glyph-Storage.html#PangoGlyph" title="PangoGlyph"><span class="type">PangoGlyph</span></a> glyph</code></em>,
<em class="parameter"><code><span class="type">double</span> x</code></em>,
<em class="parameter"><code><span class="type">double</span> y</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-activate" title="pango_renderer_activate ()">pango_renderer_activate</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-deactivate" title="pango_renderer_deactivate ()">pango_renderer_deactivate</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-part-changed" title="pango_renderer_part_changed ()">pango_renderer_part_changed</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-set-color" title="pango_renderer_set_color ()">pango_renderer_set_color</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>,
<em class="parameter"><code>const <a class="link" href="pango-Text-Attributes.html#PangoColor"><span class="type">PangoColor</span></a> *color</code></em>);
<a class="link" href="pango-Text-Attributes.html#PangoColor"><span class="returnvalue">PangoColor</span></a> * <a class="link" href="pango-pango-renderer.html#pango-renderer-get-color" title="pango_renderer_get_color ()">pango_renderer_get_color</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>);
<span class="returnvalue">void</span> <a class="link" href="pango-pango-renderer.html#pango-renderer-set-matrix" title="pango_renderer_set_matrix ()">pango_renderer_set_matrix</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code>const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="type">PangoMatrix</span></a> *matrix</code></em>);
const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="returnvalue">PangoMatrix</span></a> * <a class="link" href="pango-pango-renderer.html#pango-renderer-get-matrix" title="pango_renderer_get_matrix ()">pango_renderer_get_matrix</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);
<a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="returnvalue">PangoLayout</span></a> * <a class="link" href="pango-pango-renderer.html#pango-renderer-get-layout" title="pango_renderer_get_layout ()">pango_renderer_get_layout</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);
<a class="link" href="pango-Layout-Objects.html#PangoLayoutLine"><span class="returnvalue">PangoLayoutLine</span></a> * <a class="link" href="pango-pango-renderer.html#pango-renderer-get-layout-line" title="pango_renderer_get_layout_line ()">pango_renderer_get_layout_line</a> (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="pango-pango-renderer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----PangoRenderer
+----<a class="link" href="pango-Xft-Fonts-and-Rendering.html#PangoXftRenderer">PangoXftRenderer</a>
</pre>
<pre class="synopsis">
GEnum
+----PangoRenderPart
</pre>
</div>
<div class="refsect1">
<a name="pango-pango-renderer.description"></a><h2>Description</h2>
<p>
<a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> is a base class that contains the necessary logic for
rendering a <a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a> or <a class="link" href="pango-Layout-Objects.html#PangoLayoutLine"><span class="type">PangoLayoutLine</span></a>. By subclassing
<a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> and overriding operations such as <em class="parameter"><code>draw_glyphs</code></em> and
<em class="parameter"><code>draw_rectangle</code></em>, renderers for particular font backends and
destinations can be created.
</p>
</div>
<div class="refsect1">
<a name="pango-pango-renderer.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="PangoRenderer-struct"></a><h3>struct PangoRenderer</h3>
<pre class="programlisting">struct PangoRenderer {
PangoMatrix *matrix; /* May be NULL */
};
</pre>
<p>
<a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> is a base class for objects that are used to
render Pango objects such as <a class="link" href="pango-Glyph-Storage.html#PangoGlyphString"><span class="type">PangoGlyphString</span></a> and
<a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="type">PangoMatrix</span></a> *<em class="structfield"><code><a name="PangoRenderer-struct.matrix"></a>matrix</code></em>;</span></p></td>
<td>the current transformation matrix for the Renderer; may
be <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>, which should be treated the same as the identity matrix.</td>
</tr></tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="PangoRenderPart-enum"></a><h3>enum PangoRenderPart</h3>
<pre class="programlisting">typedef enum {
PANGO_RENDER_PART_FOREGROUND,
PANGO_RENDER_PART_BACKGROUND,
PANGO_RENDER_PART_UNDERLINE,
PANGO_RENDER_PART_STRIKETHROUGH
} PangoRenderPart;
</pre>
<p>
<a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> defines different items to render for such
purposes as setting colors.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="PANGO-RENDER-PART-FOREGROUND:CAPS"></a><span class="term"><code class="literal">PANGO_RENDER_PART_FOREGROUND</code></span></p></td>
<td>the text itself
</td>
</tr>
<tr>
<td><p><a name="PANGO-RENDER-PART-BACKGROUND:CAPS"></a><span class="term"><code class="literal">PANGO_RENDER_PART_BACKGROUND</code></span></p></td>
<td>the area behind the text
</td>
</tr>
<tr>
<td><p><a name="PANGO-RENDER-PART-UNDERLINE:CAPS"></a><span class="term"><code class="literal">PANGO_RENDER_PART_UNDERLINE</code></span></p></td>
<td>underlines
</td>
</tr>
<tr>
<td><p><a name="PANGO-RENDER-PART-STRIKETHROUGH:CAPS"></a><span class="term"><code class="literal">PANGO_RENDER_PART_STRIKETHROUGH</code></span></p></td>
<td>strikethrough lines
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="PANGO-TYPE-RENDER-PART:CAPS"></a><h3>PANGO_TYPE_RENDER_PART</h3>
<pre class="programlisting">#define PANGO_TYPE_RENDER_PART (pango_render_part_get_type())
</pre>
<p>
The <span class="type">GObject</span> type for <a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="PangoRendererClass"></a><h3>struct PangoRendererClass</h3>
<pre class="programlisting">struct PangoRendererClass {
/* All of the following have default implementations
* and take as coordinates user coordinates in Pango units
*/
void (*draw_glyphs) (PangoRenderer *renderer,
PangoFont *font,
PangoGlyphString *glyphs,
int x,
int y);
void (*draw_rectangle) (PangoRenderer *renderer,
PangoRenderPart part,
int x,
int y,
int width,
int height);
void (*draw_error_underline) (PangoRenderer *renderer,
int x,
int y,
int width,
int height);
/* Nothing is drawn for shaped glyphs unless this is implemented */
void (*draw_shape) (PangoRenderer *renderer,
PangoAttrShape *attr,
int x,
int y);
/* These two must be implemented and take coordinates in
* device space as doubles.
*/
void (*draw_trapezoid) (PangoRenderer *renderer,
PangoRenderPart part,
double y1_,
double x11,
double x21,
double y2,
double x12,
double x22);
void (*draw_glyph) (PangoRenderer *renderer,
PangoFont *font,
PangoGlyph glyph,
double x,
double y);
/* Notification of change in rendering attributes
*/
void (*part_changed) (PangoRenderer *renderer,
PangoRenderPart part);
/* Paired around drawing operations
*/
void (*begin) (PangoRenderer *renderer);
void (*end) (PangoRenderer *renderer);
/* Hooks into the details of layout rendering
*/
void (*prepare_run) (PangoRenderer *renderer,
PangoLayoutRun *run);
/* All of the following have default implementations
* and take as coordinates user coordinates in Pango units
*/
void (*draw_glyph_item) (PangoRenderer *renderer,
const char *text,
PangoGlyphItem *glyph_item,
int x,
int y);
};
</pre>
<p>
Class structure for <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-glyphs"></a>draw_glyphs</code></em> ()</span></p></td>
<td>draws a <a class="link" href="pango-Glyph-Storage.html#PangoGlyphString"><span class="type">PangoGlyphString</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-rectangle"></a>draw_rectangle</code></em> ()</span></p></td>
<td>draws a rectangle</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-error-underline"></a>draw_error_underline</code></em> ()</span></p></td>
<td>draws a squiggly line that approximately
covers the given rectangle in the style of an underline used to
indicate a spelling error.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-shape"></a>draw_shape</code></em> ()</span></p></td>
<td>draw content for a glyph shaped with <a class="link" href="pango-Text-Attributes.html#PangoAttrShape" title="struct PangoAttrShape"><span class="type">PangoAttrShape</span></a>.
<em class="parameter"><code>x</code></em>, <em class="parameter"><code>y</code></em> are the coordinates of the left edge of the baseline,
in user coordinates.</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-trapezoid"></a>draw_trapezoid</code></em> ()</span></p></td>
<td>draws a trapezoidal filled area</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-glyph"></a>draw_glyph</code></em> ()</span></p></td>
<td>draws a single glyph</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.part-changed"></a>part_changed</code></em> ()</span></p></td>
<td>do renderer specific processing when rendering
attributes change</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.begin"></a>begin</code></em> ()</span></p></td>
<td>Do renderer-specific initialization before drawing</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.end"></a>end</code></em> ()</span></p></td>
<td>Do renderer-specific cleanup after drawing</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.prepare-run"></a>prepare_run</code></em> ()</span></p></td>
<td>updates the renderer for a new run</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="PangoRendererClass.draw-glyph-item"></a>draw_glyph_item</code></em> ()</span></p></td>
<td>draws a <a class="link" href="pango-Glyph-Storage.html#PangoGlyphItem"><span class="type">PangoGlyphItem</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-layout"></a><h3>pango_renderer_draw_layout ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_layout (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a> *layout</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);</pre>
<p>
Draws <em class="parameter"><code>layout</code></em> with the specified <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>layout</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-layout-line"></a><h3>pango_renderer_draw_layout_line ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_layout_line (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Layout-Objects.html#PangoLayoutLine"><span class="type">PangoLayoutLine</span></a> *line</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);</pre>
<p>
Draws <em class="parameter"><code>line</code></em> with the specified <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>line</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Layout-Objects.html#PangoLayoutLine"><span class="type">PangoLayoutLine</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-glyphs"></a><h3>pango_renderer_draw_glyphs ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_glyphs (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a> *font</code></em>,
<em class="parameter"><code><a class="link" href="pango-Glyph-Storage.html#PangoGlyphString"><span class="type">PangoGlyphString</span></a> *glyphs</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);</pre>
<p>
Draws the glyphs in <em class="parameter"><code>glyphs</code></em> with the specified <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>font</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>glyphs</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Glyph-Storage.html#PangoGlyphString"><span class="type">PangoGlyphString</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-glyph-item"></a><h3>pango_renderer_draw_glyph_item ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_glyph_item (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *text</code></em>,
<em class="parameter"><code><a class="link" href="pango-Glyph-Storage.html#PangoGlyphItem"><span class="type">PangoGlyphItem</span></a> *glyph_item</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>);</pre>
<p>
Draws the glyphs in <em class="parameter"><code>glyph_item</code></em> with the specified <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>,
embedding the text associated with the glyphs in the output if the
output format supports it (PDF for example).
</p>
<p>
Note that <em class="parameter"><code>text</code></em> is the start of the text for layout, which is then
indexed by <code class="literal"><em class="parameter"><code>glyph_item->item->offset</code></em></code>.
</p>
<p>
If <em class="parameter"><code>text</code></em> is <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>, this simply calls <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-glyphs" title="pango_renderer_draw_glyphs ()"><code class="function">pango_renderer_draw_glyphs()</code></a>.
</p>
<p>
The default implementation of this method simply falls back to
<a class="link" href="pango-pango-renderer.html#pango-renderer-draw-glyphs" title="pango_renderer_draw_glyphs ()"><code class="function">pango_renderer_draw_glyphs()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>text</code></em> :</span></p></td>
<td>the UTF-8 text that <em class="parameter"><code>glyph_item</code></em> refers to, or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>glyph_item</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Glyph-Storage.html#PangoGlyphItem"><span class="type">PangoGlyphItem</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y position of left edge of baseline, in user space coordinates
in Pango units.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.22</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-rectangle"></a><h3>pango_renderer_draw_rectangle ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_rectangle (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Draws an axis-aligned rectangle in user space coordinates with the
specified <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.
</p>
<p>
This should be called while <em class="parameter"><code>renderer</code></em> is already active. Use
<a class="link" href="pango-pango-renderer.html#pango-renderer-activate" title="pango_renderer_activate ()"><code class="function">pango_renderer_activate()</code></a> to activate a renderer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>part</code></em> :</span></p></td>
<td>type of object this rectangle is part of</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X position at which to draw rectangle, in user space coordinates in Pango units</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y position at which to draw rectangle, in user space coordinates in Pango units</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>width of rectangle in Pango units in user space coordinates</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>height of rectangle in Pango units in user space coordinates</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-error-underline"></a><h3>pango_renderer_draw_error_underline ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_error_underline (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><span class="type">int</span> x</code></em>,
<em class="parameter"><code><span class="type">int</span> y</code></em>,
<em class="parameter"><code><span class="type">int</span> width</code></em>,
<em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
<p>
Draw a squiggly line that approximately covers the given rectangle
in the style of an underline used to indicate a spelling error.
(The width of the underline is rounded to an integer number
of up/down segments and the resulting rectangle is centered
in the original rectangle)
</p>
<p>
This should be called while <em class="parameter"><code>renderer</code></em> is already active. Use
<a class="link" href="pango-pango-renderer.html#pango-renderer-activate" title="pango_renderer_activate ()"><code class="function">pango_renderer_activate()</code></a> to activate a renderer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X coordinate of underline, in Pango units in user coordinate system</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y coordinate of underline, in Pango units in user coordinate system</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>width</code></em> :</span></p></td>
<td>width of underline, in Pango units in user coordinate system</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>height</code></em> :</span></p></td>
<td>height of underline, in Pango units in user coordinate system</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-trapezoid"></a><h3>pango_renderer_draw_trapezoid ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_trapezoid (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>,
<em class="parameter"><code><span class="type">double</span> y1_</code></em>,
<em class="parameter"><code><span class="type">double</span> x11</code></em>,
<em class="parameter"><code><span class="type">double</span> x21</code></em>,
<em class="parameter"><code><span class="type">double</span> y2</code></em>,
<em class="parameter"><code><span class="type">double</span> x12</code></em>,
<em class="parameter"><code><span class="type">double</span> x22</code></em>);</pre>
<p>
Draws a trapezoid with the parallel sides aligned with the X axis
using the given <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>; coordinates are in device space.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>part</code></em> :</span></p></td>
<td>type of object this trapezoid is part of</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y1_</code></em> :</span></p></td>
<td>Y coordinate of top of trapezoid</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x11</code></em> :</span></p></td>
<td>X coordinate of left end of top of trapezoid</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x21</code></em> :</span></p></td>
<td>X coordinate of right end of top of trapezoid</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y2</code></em> :</span></p></td>
<td>Y coordinate of bottom of trapezoid</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x12</code></em> :</span></p></td>
<td>X coordinate of left end of bottom of trapezoid</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x22</code></em> :</span></p></td>
<td>X coordinate of right end of bottom of trapezoid</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-draw-glyph"></a><h3>pango_renderer_draw_glyph ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_draw_glyph (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a> *font</code></em>,
<em class="parameter"><code><a class="link" href="pango-Glyph-Storage.html#PangoGlyph" title="PangoGlyph"><span class="type">PangoGlyph</span></a> glyph</code></em>,
<em class="parameter"><code><span class="type">double</span> x</code></em>,
<em class="parameter"><code><span class="type">double</span> y</code></em>);</pre>
<p>
Draws a single glyph with coordinates in device space.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>font</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>glyph</code></em> :</span></p></td>
<td>the glyph index of a single glyph</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>X coordinate of left edge of baseline of glyph</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>Y coordinate of left edge of baseline of glyph</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-activate"></a><h3>pango_renderer_activate ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_activate (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);</pre>
<p>
Does initial setup before rendering operations on <em class="parameter"><code>renderer</code></em>.
<a class="link" href="pango-pango-renderer.html#pango-renderer-deactivate" title="pango_renderer_deactivate ()"><code class="function">pango_renderer_deactivate()</code></a> should be called when done drawing.
Calls such as <a class="link" href="pango-pango-renderer.html#pango-renderer-draw-layout" title="pango_renderer_draw_layout ()"><code class="function">pango_renderer_draw_layout()</code></a> automatically
activate the layout before drawing on it. Calls to
<a class="link" href="pango-pango-renderer.html#pango-renderer-activate" title="pango_renderer_activate ()"><code class="function">pango_renderer_activate()</code></a> and <a class="link" href="pango-pango-renderer.html#pango-renderer-deactivate" title="pango_renderer_deactivate ()"><code class="function">pango_renderer_deactivate()</code></a> can
be nested and the renderer will only be initialized and
deinitialized once.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr></tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-deactivate"></a><h3>pango_renderer_deactivate ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_deactivate (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);</pre>
<p>
Cleans up after rendering operations on <em class="parameter"><code>renderer</code></em>. See
docs for <a class="link" href="pango-pango-renderer.html#pango-renderer-activate" title="pango_renderer_activate ()"><code class="function">pango_renderer_activate()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr></tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-part-changed"></a><h3>pango_renderer_part_changed ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_part_changed (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>);</pre>
<p>
Informs Pango that the way that the rendering is done
for <em class="parameter"><code>part</code></em> has changed in a way that would prevent multiple
pieces being joined together into one drawing call. For
instance, if a subclass of <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> was to add a stipple
option for drawing underlines, it needs to call
</p>
<p>
</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="function"><a href="pango-pango-renderer.html#pango-renderer-part-changed">pango_renderer_part_changed</a></span><span class="normal"> </span><span class="symbol">(</span><span class="normal">render</span><span class="symbol">,</span><span class="normal"> <a href="pango-pango-renderer.html#PANGO-RENDER-PART-UNDERLINE:CAPS">PANGO_RENDER_PART_UNDERLINE</a></span><span class="symbol">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p>
</p>
<p>
When the stipple changes or underlines with different stipples
might be joined together. Pango automatically calls this for
changes to colors. (See <a class="link" href="pango-pango-renderer.html#pango-renderer-set-color" title="pango_renderer_set_color ()"><code class="function">pango_renderer_set_color()</code></a>)
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>part</code></em> :</span></p></td>
<td>the part for which rendering has changed.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-set-color"></a><h3>pango_renderer_set_color ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_set_color (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>,
<em class="parameter"><code>const <a class="link" href="pango-Text-Attributes.html#PangoColor"><span class="type">PangoColor</span></a> *color</code></em>);</pre>
<p>
Sets the color for part of the rendering.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>part</code></em> :</span></p></td>
<td>the part to change the color of</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
<td>the new color or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> to unset the current color. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-get-color"></a><h3>pango_renderer_get_color ()</h3>
<pre class="programlisting"><a class="link" href="pango-Text-Attributes.html#PangoColor"><span class="returnvalue">PangoColor</span></a> * pango_renderer_get_color (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderPart"><span class="type">PangoRenderPart</span></a> part</code></em>);</pre>
<p>
Gets the current rendering color for the specified part.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>part</code></em> :</span></p></td>
<td>the part to get the color for</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the color for the specified part, or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a>
if it hasn't been set and should be inherited from the
environment.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-set-matrix"></a><h3>pango_renderer_set_matrix ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> pango_renderer_set_matrix (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code>const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="type">PangoMatrix</span></a> *matrix</code></em>);</pre>
<p>
Sets the transformation matrix that will be applied when rendering.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>matrix</code></em> :</span></p></td>
<td>a <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="type">PangoMatrix</span></a>, or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> to unset any existing matrix.
(No matrix set is the same as setting the identity matrix.). <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-get-matrix"></a><h3>pango_renderer_get_matrix ()</h3>
<pre class="programlisting">const <a class="link" href="pango-Glyph-Storage.html#PangoMatrix"><span class="returnvalue">PangoMatrix</span></a> * pango_renderer_get_matrix (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);</pre>
<p>
Gets the transformation matrix that will be applied when
rendering. See <a class="link" href="pango-pango-renderer.html#pango-renderer-set-matrix" title="pango_renderer_set_matrix ()"><code class="function">pango_renderer_set_matrix()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the matrix, or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if no matrix has been set
(which is the same as the identity matrix). The returned
matrix is owned by Pango and must not be modified or
freed.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.8</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-get-layout"></a><h3>pango_renderer_get_layout ()</h3>
<pre class="programlisting"><a class="link" href="pango-Layout-Objects.html#PangoLayout"><span class="returnvalue">PangoLayout</span></a> * pango_renderer_get_layout (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);</pre>
<p>
Gets the layout currently being rendered using <em class="parameter"><code>renderer</code></em>.
Calling this function only makes sense from inside a subclass's
methods, like in its draw_shape() for example.
</p>
<p>
The returned layout should not be modified while still being
rendered.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the layout, or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if no layout is being
rendered using <em class="parameter"><code>renderer</code></em> at this time. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.20</p>
</div>
<hr>
<div class="refsect2">
<a name="pango-renderer-get-layout-line"></a><h3>pango_renderer_get_layout_line ()</h3>
<pre class="programlisting"><a class="link" href="pango-Layout-Objects.html#PangoLayoutLine"><span class="returnvalue">PangoLayoutLine</span></a> * pango_renderer_get_layout_line (<em class="parameter"><code><a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a> *renderer</code></em>);</pre>
<p>
Gets the layout line currently being rendered using <em class="parameter"><code>renderer</code></em>.
Calling this function only makes sense from inside a subclass's
methods, like in its draw_shape() for example.
</p>
<p>
The returned layout line should not be modified while still being
rendered.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>renderer</code></em> :</span></p></td>
<td>a <a class="link" href="pango-pango-renderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the layout line, or <a href="/home/mclasen/gnome/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL--CAPS"><code class="literal">NULL</code></a> if no layout line is being
rendered using <em class="parameter"><code>renderer</code></em> at this time.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 1.20</p>
</div>
</div>
</div>
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