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<title>ChamplainRenderer: libchamplain Reference Manual</title>
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<a href="#ChamplainRenderer.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#ChamplainRenderer.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<a name="ChamplainRenderer"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="ChamplainRenderer.top_of_page"></a>ChamplainRenderer</span></h2>
<p>ChamplainRenderer — A base class of renderers</p>
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<div class="refsect1">
<a name="ChamplainRenderer.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="ChamplainRenderer.html#champlain-renderer-set-data" title="champlain_renderer_set_data ()">champlain_renderer_set_data</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="ChamplainRenderer.html#champlain-renderer-render" title="champlain_renderer_render ()">champlain_renderer_render</a> <span class="c_punctuation">()</span>
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<div class="refsect1">
<a name="ChamplainRenderer.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="ChamplainRenderer.html#ChamplainRenderer-struct" title="struct ChamplainRenderer">ChamplainRenderer</a></td>
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</table></div>
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<div class="refsect1">
<a name="ChamplainRenderer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GObject
<span class="lineart">╰──</span> GInitiallyUnowned
<span class="lineart">╰──</span> ChamplainRenderer
<span class="lineart">├──</span> <a class="link" href="ChamplainErrorTileRenderer.html" title="ChamplainErrorTileRenderer">ChamplainErrorTileRenderer</a>
<span class="lineart">╰──</span> <a class="link" href="ChamplainImageRenderer.html" title="ChamplainImageRenderer">ChamplainImageRenderer</a>
</pre>
</div>
<div class="refsect1">
<a name="ChamplainRenderer.description"></a><h2>Description</h2>
<p>A renderer is used to render tiles textures. A tile is rendered based on
the provided data - this can be arbitrary data the given renderer understands
(e.g. raw bitmap data, vector xml map representation and so on).</p>
</div>
<div class="refsect1">
<a name="ChamplainRenderer.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="champlain-renderer-set-data"></a><h3>champlain_renderer_set_data ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
champlain_renderer_set_data (<em class="parameter"><code><a class="link" href="ChamplainRenderer.html" title="ChamplainRenderer"><span class="type">ChamplainRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *data</code></em>,
<em class="parameter"><code><span class="type">guint</span> size</code></em>);</pre>
<p>Sets the data which is used to render tiles by the renderer.</p>
<div class="refsect3">
<a name="champlain-renderer-set-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>renderer</p></td>
<td class="parameter_description"><p>a <a class="link" href="ChamplainRenderer.html" title="ChamplainRenderer"><span class="type">ChamplainRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>data</p></td>
<td class="parameter_description"><p>data used for tile rendering</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>size of the data in bytes</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 0.8</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-renderer-render"></a><h3>champlain_renderer_render ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
champlain_renderer_render (<em class="parameter"><code><a class="link" href="ChamplainRenderer.html" title="ChamplainRenderer"><span class="type">ChamplainRenderer</span></a> *renderer</code></em>,
<em class="parameter"><code><a class="link" href="ChamplainTile.html" title="ChamplainTile"><span class="type">ChamplainTile</span></a> *tile</code></em>);</pre>
<p>Renders the texture for the provided tile and calls <a class="link" href="ChamplainTile.html#champlain-tile-set-content" title="champlain_tile_set_content ()"><code class="function">champlain_tile_set_content()</code></a>
to set the content of the tile. When the rendering is finished, the renderer
emits the <a class="link" href="ChamplainTile.html#ChamplainTile-render-complete" title="The “render-complete” signal"><span class="type">“render-complete”</span></a> signal. The tile has to be displayed manually by
calling <a class="link" href="ChamplainTile.html#champlain-tile-display-content" title="champlain_tile_display_content ()"><code class="function">champlain_tile_display_content()</code></a>.</p>
<div class="refsect3">
<a name="champlain-renderer-render.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>renderer</p></td>
<td class="parameter_description"><p>a <a class="link" href="ChamplainRenderer.html" title="ChamplainRenderer"><span class="type">ChamplainRenderer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>tile</p></td>
<td class="parameter_description"><p>the tile to render</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 0.8</p>
</div>
</div>
<div class="refsect1">
<a name="ChamplainRenderer.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="ChamplainRenderer-struct"></a><h3>struct ChamplainRenderer</h3>
<pre class="programlisting">struct ChamplainRenderer;</pre>
<p>The <a class="link" href="ChamplainRenderer.html" title="ChamplainRenderer"><span class="type">ChamplainRenderer</span></a> structure contains only private data
and should be accessed using the provided API</p>
<p class="since">Since: 0.8</p>
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