147 lines
8.3 KiB
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147 lines
8.3 KiB
HTML
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<title>mxGraph: com::mxgraph::mxImageBundle Class Reference</title>
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<div class="navpath"><b>com</b>::<b>mxgraph</b>::<a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html">mxImageBundle</a>
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<h1>com::mxgraph::mxImageBundle Class Reference</h1><!-- doxytag: class="com::mxgraph::mxImageBundle" -->
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<p>Maps from keys to base64 encoded images or file locations. All values must be URLs or use the format data:image/format followed by a comma and the base64 encoded image data, eg. "data:image/gif,XYZ", where XYZ is the base64 encoded image data.
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<a href="#_details">More...</a></p>
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<p><a href="classcom_1_1mxgraph_1_1mxImageBundle-members.html">List of all members.</a></p>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#ad60ca8c5a514a3864cac932a6b2d64cc">PutImage</a> (String key, String value)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds the specified entry to the map. <a href="#ad60ca8c5a514a3864cac932a6b2d64cc"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">String </td><td class="memItemRight" valign="bottom"><a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#a2eb0c5995f3ae3ce1b6bb68eeb48f72b">GetImage</a> (String key)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the value for the given key. <a href="#a2eb0c5995f3ae3ce1b6bb68eeb48f72b"></a><br/></td></tr>
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<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">Dictionary< String, String > </td><td class="memItemRight" valign="bottom"><a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#a8bfb4d67c74602df82b8b9b6e4ee6967">images</a> = new Dictionary<String, String>()</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Maps from keys to images. <a href="#a8bfb4d67c74602df82b8b9b6e4ee6967"></a><br/></td></tr>
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<tr><td colspan="2"><h2>Properties</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">Dictionary< String, String > </td><td class="memItemRight" valign="bottom"><a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#a171163596816aff46c669d5bb167b4b6">Images</a><code> [get]</code></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the images. <a href="#a171163596816aff46c669d5bb167b4b6"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p>Maps from keys to base64 encoded images or file locations. All values must be URLs or use the format data:image/format followed by a comma and the base64 encoded image data, eg. "data:image/gif,XYZ", where XYZ is the base64 encoded image data. </p>
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<p>To add a new image bundle to an existing graph, the following code is used:</p>
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<p><a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html" title="Maps from keys to base64 encoded images or file locations. All values must be URLs...">mxImageBundle</a> bundle = new mxImageBundle(); bundle.PutImage("myImage", "data:image/gif,R0lGODlhEAAQAMIGAAAAAICAAICAgP" + "//AOzp2O3r2////////yH+FUNyZWF0ZWQgd2l0aCBUaGUgR0lNUAAh+QQBCgAHACwAAAAA" + "EAAQAAADTXi63AowynnAMDfjPUDlnAAJhmeBFxAEloliKltWmiYCQvfVr6lBPB1ggxN1hi" + "laSSASFQpIV5HJBDyHpqK2ejVRm2AAgZCdmCGO9CIBADs="); graph.AddImageBundle(bundle);</p>
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<p>The image can then be referenced in any cell style using image=myImage.</p>
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<p>To convert a given Image to a base64 encoded String, the following code can be used:</p>
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<p>MemoryStream ms = new System.IO.MemoryStream(); image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif); byte[] data = ms.ToArray(); Console.WriteLine("base64="+Convert.ToBase64String(data));</p>
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<p>The value is decoded in <a class="el" href="classcom_1_1mxgraph_1_1mxUtils.html#a30ccc3180a67c12649dbba8212918215" title="Loads an image from the local filesystem, a data URI or any other URL.">mxUtils.LoadImage</a>. The keys for images are resolved and the short format above is converted to a data URI in mxGraph.postProcessCellStyle. </p>
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<hr/><h2>Member Function Documentation</h2>
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<a class="anchor" id="a2eb0c5995f3ae3ce1b6bb68eeb48f72b"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::GetImage" ref="a2eb0c5995f3ae3ce1b6bb68eeb48f72b" args="(String key)" -->
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<td class="memname">String com::mxgraph::mxImageBundle::GetImage </td>
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<td>(</td>
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<td class="paramtype">String </td>
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<td class="paramname"> <em>key</em></td>
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<td> ) </td>
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<td><code> [inline]</code></td>
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<p>Returns the value for the given key. </p>
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<a class="anchor" id="ad60ca8c5a514a3864cac932a6b2d64cc"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::PutImage" ref="ad60ca8c5a514a3864cac932a6b2d64cc" args="(String key, String value)" -->
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<td class="memname">void com::mxgraph::mxImageBundle::PutImage </td>
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<td>(</td>
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<td class="paramtype">String </td>
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<td class="paramname"> <em>key</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">String </td>
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<td class="paramname"> <em>value</em></td><td> </td>
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<td>)</td>
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<td></td><td></td><td><code> [inline]</code></td>
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<p>Adds the specified entry to the map. </p>
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<hr/><h2>Member Data Documentation</h2>
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<a class="anchor" id="a8bfb4d67c74602df82b8b9b6e4ee6967"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::images" ref="a8bfb4d67c74602df82b8b9b6e4ee6967" args="" -->
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<td class="memname">Dictionary<String, String> <a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#a8bfb4d67c74602df82b8b9b6e4ee6967">com::mxgraph::mxImageBundle::images</a> = new Dictionary<String, String>()<code> [protected]</code></td>
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<div class="memdoc">
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<p>Maps from keys to images. </p>
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<hr/><h2>Property Documentation</h2>
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<a class="anchor" id="a171163596816aff46c669d5bb167b4b6"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::Images" ref="a171163596816aff46c669d5bb167b4b6" args="" -->
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<td class="memname">Dictionary<String, String> com::mxgraph::mxImageBundle::Images<code> [get]</code></td>
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<p>Returns the images. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>src/utils/mxImageBundle.cs</li>
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</ul>
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<hr class="footer"/><address style="text-align: right;"><small>Generated on Fri Jul 20 11:32:32 2012 for mxGraph by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
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