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<a href="#ChamplainMapSourceChain.description" class="shortcut">Description</a>
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<a href="#ChamplainMapSourceChain.object-hierarchy" class="shortcut">Object Hierarchy</a>
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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="refsynopsisdiv">
<a name="ChamplainMapSourceChain.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct <a class="link" href="ChamplainMapSourceChain.html#ChamplainMapSourceChain-struct" title="struct ChamplainMapSourceChain">ChamplainMapSourceChain</a>;
<a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="returnvalue">ChamplainMapSourceChain</span></a> * <a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-new" title="champlain_map_source_chain_new ()">champlain_map_source_chain_new</a>
(<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-push" title="champlain_map_source_chain_push ()">champlain_map_source_chain_push</a> (<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>);
<span class="returnvalue">void</span> <a class="link" href="ChamplainMapSourceChain.html#champlain-map-source-chain-pop" title="champlain_map_source_chain_pop ()">champlain_map_source_chain_pop</a> (<em class="parameter"><code><a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a> *source_chain</code></em>);
</pre>
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<div class="refsect1">
<a name="ChamplainMapSourceChain.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----GInitiallyUnowned
+----<a class="link" href="ChamplainMapSource.html" title="ChamplainMapSource">ChamplainMapSource</a>
+----ChamplainMapSourceChain
</pre>
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<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>
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<div class="refsect1">
<a name="ChamplainMapSourceChain.details"></a><h2>Details</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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<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>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new empty <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a>.</td>
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<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>
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<td><p><span class="term"><em class="parameter"><code>source_chain</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a>
</td>
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<td><p><span class="term"><em class="parameter"><code>map_source</code></em> :</span></p></td>
<td>the <a class="link" href="ChamplainMapSource.html" title="ChamplainMapSource"><span class="type">ChamplainMapSource</span></a> to be pushed into the chain</td>
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</table></div>
<p class="since">Since 0.6</p>
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<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 the map source from the top of the stack from the chain.
</p>
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<td><p><span class="term"><em class="parameter"><code>source_chain</code></em> :</span></p></td>
<td>a <a class="link" href="ChamplainMapSourceChain.html" title="ChamplainMapSourceChain"><span class="type">ChamplainMapSourceChain</span></a>
</td>
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</table></div>
<p class="since">Since 0.6</p>
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