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<h2><span class="refentrytitle"><a name="libucil-draw.top_of_page"></a>draw</span></h2>
<p>draw</p>
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<td valign="top" align="right"></td>
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<div class="refsynopsisdiv">
<a name="libucil-draw.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"><span class="returnvalue">void</span> <a class="link" href="libucil-draw.html#ucil-convert-color" title="ucil_convert_color ()">ucil_convert_color</a> (<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *src</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *dest</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libucil-draw.html#ucil-set-pixel" title="ucil_set_pixel ()">ucil_set_pixel</a> (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</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="libucil-draw.html#ucil-draw-line" title="ucil_draw_line ()">ucil_draw_line</a> (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>,
<em class="parameter"><code><span class="type">int</span> x1</code></em>,
<em class="parameter"><code><span class="type">int</span> y1</code></em>,
<em class="parameter"><code><span class="type">int</span> x2</code></em>,
<em class="parameter"><code><span class="type">int</span> y2</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libucil-draw.html#ucil-draw-rect" title="ucil_draw_rect ()">ucil_draw_rect</a> (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>,
<em class="parameter"><code><span class="type">int</span> x1</code></em>,
<em class="parameter"><code><span class="type">int</span> y1</code></em>,
<em class="parameter"><code><span class="type">int</span> x2</code></em>,
<em class="parameter"><code><span class="type">int</span> y2</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libucil-draw.html#ucil-fill" title="ucil_fill ()">ucil_fill</a> (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>);
<span class="returnvalue">void</span> <a class="link" href="libucil-draw.html#ucil-draw-box" title="ucil_draw_box ()">ucil_draw_box</a> (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>,
<em class="parameter"><code><span class="type">int</span> x1</code></em>,
<em class="parameter"><code><span class="type">int</span> y1</code></em>,
<em class="parameter"><code><span class="type">int</span> x2</code></em>,
<em class="parameter"><code><span class="type">int</span> y2</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="libucil-draw.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1">
<a name="libucil-draw.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="ucil-convert-color"></a><h3>ucil_convert_color ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ucil_convert_color (<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *src</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *dest</code></em>);</pre>
<p>
Convert colors between colorspaces. The
<em class="structfield"><code>colorspace</code></em> field of
<span class="structname">dest</span> needs to be set to the target
colorspace, like in this example:
</p>
<p>
</p>
<div class="informalexample"><pre class="programlisting">
src.colorspace = UCIL_COLORSPACE_RGB24;
src.rgb24.r = 0xff;
src.rgb24.g = 0xff;
src.rgb24.b = 0xff;
dest.colorspace = UCIL_COLORSPACE_YUV;
ucil_convert_color( &dest, &src );
</pre></div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>src</code></em> :</span></p></td>
<td>source color</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>dest</code></em> :</span></p></td>
<td>target color</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ucil-set-pixel"></a><h3>ucil_set_pixel ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ucil_set_pixel (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</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 a pixel on the data buffer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_buffer</code></em> :</span></p></td>
<td>target buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
<td>an <a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a>. The colorspace of the color has to match
the colorspace of the data_buffer.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x</code></em> :</span></p></td>
<td>x position</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y</code></em> :</span></p></td>
<td>y position</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ucil-draw-line"></a><h3>ucil_draw_line ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ucil_draw_line (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>,
<em class="parameter"><code><span class="type">int</span> x1</code></em>,
<em class="parameter"><code><span class="type">int</span> y1</code></em>,
<em class="parameter"><code><span class="type">int</span> x2</code></em>,
<em class="parameter"><code><span class="type">int</span> y2</code></em>);</pre>
<p>
Draws a line on the data buffer. The endpoints are clipped to the
buffer dimensions
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_buffer</code></em> :</span></p></td>
<td>target buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
<td>an <a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a>. The colorspace of the color has to match
the colorspace of the data_buffer.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x1</code></em> :</span></p></td>
<td>starting point of the line ( x position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y1</code></em> :</span></p></td>
<td>starting point of the line ( y position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x2</code></em> :</span></p></td>
<td>endpoint of the line ( x position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y2</code></em> :</span></p></td>
<td>endpoint of the line ( y position )</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ucil-draw-rect"></a><h3>ucil_draw_rect ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ucil_draw_rect (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>,
<em class="parameter"><code><span class="type">int</span> x1</code></em>,
<em class="parameter"><code><span class="type">int</span> y1</code></em>,
<em class="parameter"><code><span class="type">int</span> x2</code></em>,
<em class="parameter"><code><span class="type">int</span> y2</code></em>);</pre>
<p>
Draws a rectangle filled with color.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_buffer</code></em> :</span></p></td>
<td>target buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
<td>an <a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a>. The colorspace of the color has to match
the colorspace of the data_buffer.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x1</code></em> :</span></p></td>
<td>starting point of the rectangle ( x position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y1</code></em> :</span></p></td>
<td>starting point of the rectangle ( y position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x2</code></em> :</span></p></td>
<td>endpoint of the rectangle ( x position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y2</code></em> :</span></p></td>
<td>endpoint of the rectangle ( y position )</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ucil-fill"></a><h3>ucil_fill ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ucil_fill (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>);</pre>
<p>
Fill the buffer with a color.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_buffer</code></em> :</span></p></td>
<td>target buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
<td>an <a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a>. The colorspace of the color has to match
the colorspace of the data_buffer.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ucil-draw-box"></a><h3>ucil_draw_box ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ucil_draw_box (<em class="parameter"><code><span class="type">unicap_data_buffer_t</span> *data_buffer</code></em>,
<em class="parameter"><code><a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a> *color</code></em>,
<em class="parameter"><code><span class="type">int</span> x1</code></em>,
<em class="parameter"><code><span class="type">int</span> y1</code></em>,
<em class="parameter"><code><span class="type">int</span> x2</code></em>,
<em class="parameter"><code><span class="type">int</span> y2</code></em>);</pre>
<p>
Draws a box
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_buffer</code></em> :</span></p></td>
<td>target buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>color</code></em> :</span></p></td>
<td>an <a class="link" href="libucil-ucil.html#ucil-color-t" title="ucil_color_t"><span class="type">ucil_color_t</span></a>. The colorspace of the color has to match
the colorspace of the data_buffer.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x1</code></em> :</span></p></td>
<td>starting point of the box ( x position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y1</code></em> :</span></p></td>
<td>starting point of the box ( y position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>x2</code></em> :</span></p></td>
<td>endpoint of the box ( x position )</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>y2</code></em> :</span></p></td>
<td>endpoint of the box ( y position )</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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