pango-pangorenderer.html

来自「GTK+-2.0源码之pango-1.15.6.tar.gz」· HTML 代码 · 共 1,015 行 · 第 1/3 页

<td> Do renderer-specific initialization before drawing
</td>
</tr>
<tr>
<td>
<span class="term"><em class="structfield"><code>end</code></em>&#160;()</span></td>
<td> Do renderer-specific cleanup after drawing
</td>
</tr>
<tr>
<td>
<span class="term"><em class="structfield"><code>prepare_run</code></em>&#160;()</span></td>
<td> updates the renderer for a new run
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.8
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2911115"></a><h3>
<a name="pango-renderer-draw-layout"></a>pango_renderer_draw_layout ()</h3>
<a class="indexterm" name="id2911131"></a><pre class="programlisting">void        pango_renderer_draw_layout      (<a href="pango-PangoRenderer.html#PangoRenderer">PangoRenderer</a> *renderer,
                                             <a href="pango-Layout-Objects.html#PangoLayout">PangoLayout</a> *layout,
                                             int x,
                                             int y);</pre>
<p>
Draws <em class="parameter"><code>layout</code></em> with the specified <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>renderer</code></em>&#160;:</span></td>
<td> a <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>layout</code></em>&#160;:</span></td>
<td> a <a href="pango-Layout-Objects.html#PangoLayout"><span class="type">PangoLayout</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></td>
<td> X position of left edge of baseline, in user space coordinates
  in Pango units.
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></td>
<td> Y position of left edge of baseline, in user space coordinates
   in Pango units.
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.8
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2911280"></a><h3>
<a name="pango-renderer-draw-layout-line"></a>pango_renderer_draw_layout_line ()</h3>
<a class="indexterm" name="id2911296"></a><pre class="programlisting">void        pango_renderer_draw_layout_line (<a href="pango-PangoRenderer.html#PangoRenderer">PangoRenderer</a> *renderer,
                                             <a href="pango-Layout-Objects.html#PangoLayoutLine">PangoLayoutLine</a> *line,
                                             int x,
                                             int y);</pre>
<p>
Draws <em class="parameter"><code>line</code></em> with the specified <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>renderer</code></em>&#160;:</span></td>
<td> a <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>line</code></em>&#160;:</span></td>
<td> a <a href="pango-Layout-Objects.html#PangoLayoutLine"><span class="type">PangoLayoutLine</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></td>
<td> X position of left edge of baseline, in user space coordinates
  in Pango units.
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></td>
<td> Y position of left edge of baseline, in user space coordinates
   in Pango units.
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.8
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2911446"></a><h3>
<a name="pango-renderer-draw-glyphs"></a>pango_renderer_draw_glyphs ()</h3>
<a class="indexterm" name="id2911462"></a><pre class="programlisting">void        pango_renderer_draw_glyphs      (<a href="pango-PangoRenderer.html#PangoRenderer">PangoRenderer</a> *renderer,
                                             <a href="pango-Fonts.html#PangoFont">PangoFont</a> *font,
                                             <a href="pango-Glyph-Storage.html#PangoGlyphString">PangoGlyphString</a> *glyphs,
                                             int x,
                                             int y);</pre>
<p>
Draws the glyphs in <em class="parameter"><code>glyphs</code></em> with the specified <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>renderer</code></em>&#160;:</span></td>
<td> a <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>font</code></em>&#160;:</span></td>
<td> a <a href="pango-Fonts.html#PangoFont"><span class="type">PangoFont</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>glyphs</code></em>&#160;:</span></td>
<td> a <a href="pango-Glyph-Storage.html#PangoGlyphString"><span class="type">PangoGlyphString</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></td>
<td> X position of left edge of baseline, in user space coordinates
  in Pango units.
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></td>
<td> Y position of left edge of baseline, in user space coordinates
   in Pango units.
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.8
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2911641"></a><h3>
<a name="pango-renderer-draw-rectangle"></a>pango_renderer_draw_rectangle ()</h3>
<a class="indexterm" name="id2911657"></a><pre class="programlisting">void        pango_renderer_draw_rectangle   (<a href="pango-PangoRenderer.html#PangoRenderer">PangoRenderer</a> *renderer,
                                             <a href="pango-PangoRenderer.html#PangoRenderPart">PangoRenderPart</a> part,
                                             int x,
                                             int y,
                                             int width,
                                             int height);</pre>
<p>
Draws an axis-aligned rectangle in user space coordinates with the
specified <a href="pango-PangoRenderer.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 href="pango-PangoRenderer.html#pango-renderer-activate"><code class="function">pango_renderer_activate()</code></a> to activate a renderer.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>renderer</code></em>&#160;:</span></td>
<td> a <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>part</code></em>&#160;:</span></td>
<td> type of object this rectangle is part of
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></td>
<td> X position at which to draw rectangle, in user space coordinates in Pango units
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></td>
<td> Y position at which to draw rectangle, in user space coordinates in Pango units
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>width</code></em>&#160;:</span></td>
<td> width of rectangle in Pango units in user space coordinates
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>height</code></em>&#160;:</span></td>
<td> height of rectangle in Pango units in user space coordinates
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.8
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2911860"></a><h3>
<a name="pango-renderer-draw-error-underline"></a>pango_renderer_draw_error_underline ()</h3>
<a class="indexterm" name="id2911876"></a><pre class="programlisting">void        pango_renderer_draw_error_underline
                                            (<a href="pango-PangoRenderer.html#PangoRenderer">PangoRenderer</a> *renderer,
                                             int x,
                                             int y,
                                             int width,
                                             int height);</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 href="pango-PangoRenderer.html#pango-renderer-activate"><code class="function">pango_renderer_activate()</code></a> to activate a renderer.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>renderer</code></em>&#160;:</span></td>
<td> a <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>x</code></em>&#160;:</span></td>
<td> X coordinate of underline, in Pango units in user coordinate system
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>y</code></em>&#160;:</span></td>
<td> Y coordinate of underline, in Pango units in user coordinate system
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>width</code></em>&#160;:</span></td>
<td> width of underline, in Pango units in user coordinate system
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>height</code></em>&#160;:</span></td>
<td> height of underline, in Pango units in user coordinate system
</td>
</tr>
</tbody>
</table></div>
<p>Since  1.8
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2912052"></a><h3>
<a name="pango-renderer-draw-trapezoid"></a>pango_renderer_draw_trapezoid ()</h3>
<a class="indexterm" name="id2912068"></a><pre class="programlisting">void        pango_renderer_draw_trapezoid   (<a href="pango-PangoRenderer.html#PangoRenderer">PangoRenderer</a> *renderer,
                                             <a href="pango-PangoRenderer.html#PangoRenderPart">PangoRenderPart</a> part,
                                             double y1_,
                                             double x11,
                                             double x21,
                                             double y2,
                                             double x12,
                                             double x22);</pre>
<p>
Draws a trapezoid with the parallel sides aligned with the X axis
using the given <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>; coordinates are in device space.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>renderer</code></em>&#160;:</span></td>
<td> a <a href="pango-PangoRenderer.html#PangoRenderer"><span class="type">PangoRenderer</span></a>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>part</code></em>&#160;:</span></td>
<td> type of object this trapezoid is part of
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>y1_</code></em>&#160;:</span></td>
<td> Y coordinate of top of trapezoid
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>x11</code></em>&#160;:</span></td>
<td> X coordinate of left end of top of trapezoid
</td>
</tr>
<tr>