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<a href="#ChamplainMapSourceChain.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<a name="ChamplainMapSourceChain"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="ChamplainMapSourceChain.top_of_page"></a>ChamplainMapSourceChain</span></h2>
<p>ChamplainMapSourceChain — A map source simplifying creation of source chains</p>
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<div class="refsect1">
<a name="ChamplainMapSourceChain.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>
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<td class="function_type">
<a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="returnvalue">ChamplainMapSourceChain</span></a> *
</td>
<td class="function_name">
<a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-new" title="champlain_map_source_chain_new ()">champlain_map_source_chain_new</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="ChamplainMapSourceChain.html#champlain-map-source-chain-push" title="champlain_map_source_chain_push ()">champlain_map_source_chain_push</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<span class="returnvalue">void</span>
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<td class="function_name">
<a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-pop" title="champlain_map_source_chain_pop ()">champlain_map_source_chain_pop</a> <span class="c_punctuation">()</span>
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<div class="refsect1">
<a name="ChamplainMapSourceChain.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="ChamplainMapSourceChain.html#ChamplainMapSourceChain-struct" title="struct ChamplainMapSourceChain">ChamplainMapSourceChain</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="ChamplainMapSourceChain.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GObject
<span class="lineart">╰──</span> GInitiallyUnowned
<span class="lineart">╰──</span> <a class="link" href="ChamplainMapSource.html" title="ChamplainMapSource">ChamplainMapSource</a>
<span class="lineart">╰──</span> ChamplainMapSourceChain
</pre>
</div>
<div class="refsect1">
<a name="ChamplainMapSourceChain.description"></a><h2>Description</h2>
<p>This map source simplifies creation of map chains by providing two
functions for their creation and modification in a stack-like manner:
<a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-push" title="champlain_map_source_chain_push ()"><code class="function">champlain_map_source_chain_push()</code></a> and <a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-pop" title="champlain_map_source_chain_pop ()"><code class="function">champlain_map_source_chain_pop()</code></a>.
For instance, to create a chain consisting of <a class="link" href="ChamplainMemoryCache.html" title="ChamplainMemoryCache"><span class="type">ChamplainMemoryCache</span></a>,
<a class="link" href="ChamplainFileCache.html" title="ChamplainFileCache"><span class="type">ChamplainFileCache</span></a> and <a class="link" href="ChamplainNetworkTileSource.html" title="ChamplainNetworkTileSource"><span class="type">ChamplainNetworkTileSource</span></a>, the map
sources have to be pushed into the chain in the reverse order starting
from <a class="link" href="ChamplainNetworkTileSource.html" title="ChamplainNetworkTileSource"><span class="type">ChamplainNetworkTileSource</span></a>. After its creation, <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a>
behaves as a chain of map sources it contains.</p>
</div>
<div class="refsect1">
<a name="ChamplainMapSourceChain.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="champlain-map-source-chain-new"></a><h3>champlain_map_source_chain_new ()</h3>
<pre class="programlisting"><a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="returnvalue">ChamplainMapSourceChain</span></a> *
champlain_map_source_chain_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Constructor of <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a>.</p>
<div class="refsect3">
<a name="id-1.5.5.2.7.2.5"></a><h4>Returns</h4>
<p> a new empty <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a>.</p>
</div>
<p class="since">Since: 0.6</p>
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<hr>
<div class="refsect2">
<a name="champlain-map-source-chain-push"></a><h3>champlain_map_source_chain_push ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
champlain_map_source_chain_push (<em class="parameter"><code><a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a> *source_chain</code></em>,
<em class="parameter"><code><a class="link" href="ChamplainMapSource.html" title="ChamplainMapSource"><span class="type">ChamplainMapSource</span></a> *map_source</code></em>);</pre>
<p>Pushes a map source into the chain.</p>
<div class="refsect3">
<a name="id-1.5.5.2.7.3.5"></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">
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<tbody>
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<td class="parameter_name"><p>source_chain</p></td>
<td class="parameter_description"><p>a <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>map_source</p></td>
<td class="parameter_description"><p>the <a class="link" href="ChamplainMapSource.html" title="ChamplainMapSource"><span class="type">ChamplainMapSource</span></a> to be pushed into the chain</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: 0.6</p>
</div>
<hr>
<div class="refsect2">
<a name="champlain-map-source-chain-pop"></a><h3>champlain_map_source_chain_pop ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
champlain_map_source_chain_pop (<em class="parameter"><code><a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a> *source_chain</code></em>);</pre>
<p>Pops a map source from the top of the stack from the chain.</p>
<div class="refsect3">
<a name="id-1.5.5.2.7.4.5"></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>source_chain</p></td>
<td class="parameter_description"><p>a <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 0.6</p>
</div>
</div>
<div class="refsect1">
<a name="ChamplainMapSourceChain.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="ChamplainMapSourceChain-struct"></a><h3>struct ChamplainMapSourceChain</h3>
<pre class="programlisting">struct ChamplainMapSourceChain;</pre>
<p>The <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a> structure contains only private data
and should be accessed using the provided API</p>
<p class="since">Since: 0.6</p>
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