195 lines
9.6 KiB
HTML
195 lines
9.6 KiB
HTML
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<title>mxGraph: com.mxgraph.mxImageBundle Class Reference</title>
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<li class="navelem"><a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html">mxImageBundle</a> </li>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pro-attribs">Protected Attributes</a> |
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<a href="#properties">Properties</a> </div>
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<div class="headertitle">
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<div class="title">com.mxgraph.mxImageBundle Class Reference</div> </div>
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<!-- 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="classcom_1_1mxgraph_1_1mxImageBundle.html#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 class="memberdecls">
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<tr><td colspan="2"><h2><a name="pub-methods"></a>
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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#ac08a8c7641c7c68aed104a90e0b7dbe9">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="#ac08a8c7641c7c68aed104a90e0b7dbe9"></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#aeb573dee291df27a7297be30c18fda38">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="#aeb573dee291df27a7297be30c18fda38"></a><br/></td></tr>
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<tr><td colspan="2"><h2><a name="pro-attribs"></a>
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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#af8808b2694bb6efcba40a5879b5cb505">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="#af8808b2694bb6efcba40a5879b5cb505"></a><br/></td></tr>
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<tr><td colspan="2"><h2><a name="properties"></a>
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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#ae9680e72d45e7c06aa42e950ef765b63">Images</a><code> [get]</code></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the images. <a href="#ae9680e72d45e7c06aa42e950ef765b63"></a><br/></td></tr>
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</table>
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
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<div class="textblock"><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 or use the format ...">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#a2a71827c05120b140caa51409a363282" 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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</div><hr/><h2>Member Function Documentation</h2>
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<a class="anchor" id="aeb573dee291df27a7297be30c18fda38"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::GetImage" ref="aeb573dee291df27a7297be30c18fda38" args="(String key)" -->
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<td class="memname">String <a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#aeb573dee291df27a7297be30c18fda38">com.mxgraph.mxImageBundle.GetImage</a> </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><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="ac08a8c7641c7c68aed104a90e0b7dbe9"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::PutImage" ref="ac08a8c7641c7c68aed104a90e0b7dbe9" args="(String key, String value)" -->
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<td class="memname">void <a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#ac08a8c7641c7c68aed104a90e0b7dbe9">com.mxgraph.mxImageBundle.PutImage</a> </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>
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<td></td>
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<td>)</td>
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<td></td><td><code> [inline]</code></td>
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</tr>
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</table>
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<div class="memdoc">
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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="af8808b2694bb6efcba40a5879b5cb505"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::images" ref="af8808b2694bb6efcba40a5879b5cb505" args="" -->
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<td class="memname">Dictionary<String, String> <a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#af8808b2694bb6efcba40a5879b5cb505">com.mxgraph.mxImageBundle.images</a> = new Dictionary<String, String>()<code> [protected]</code></td>
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</tr>
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<div class="memdoc">
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<p>Maps from keys to images. </p>
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</div>
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<hr/><h2>Property Documentation</h2>
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<a class="anchor" id="ae9680e72d45e7c06aa42e950ef765b63"></a><!-- doxytag: member="com::mxgraph::mxImageBundle::Images" ref="ae9680e72d45e7c06aa42e950ef765b63" args="" -->
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<td class="memname">Dictionary<String, String> <a class="el" href="classcom_1_1mxgraph_1_1mxImageBundle.html#ae9680e72d45e7c06aa42e950ef765b63">com.mxgraph.mxImageBundle.Images</a><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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</div><!-- contents -->
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Generated on Fri Jul 19 2013 12:59:35 for mxGraph by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.7.6.1
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