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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>vtlib library: vtImageSprite Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li id="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>vtImageSprite Class Reference<br><small>[<a class="el" href="group__sg.html">Scene Graph</a>]</small></h1><!-- doxytag: class="vtImageSprite" --><a href="classvtImageSprite-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>This class which contains a geometry with a single textured rectangle mesh. It is particularly useful in conjunction with <a class="el" href="classvtHUD.html">vtHUD</a>, for superimposing a single image on the window. <p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtImageSprite.html#5797e07ee1b81ca01036fc57e192422b">Create</a> (const char *szTextureName, bool bBlending=false)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtImageSprite.html#a8e489a4a8d2cba71c521799ae723ed3">Create</a> (<a class="el" href="classvtImage.html">vtImage</a> *pImage, bool bBlending=false)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtImageSprite.html#a0d9589903a66d69af9dfe0b3c875847">SetPosition</a> (float l, float t, float r, float b, float rot=0.0f)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtImageSprite.html#9bdacc9fc4979ed096a5510b7bea8f1f">SetImage</a> (<a class="el" href="classvtImage.html">vtImage</a> *image)</td></tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="a8e489a4a8d2cba71c521799ae723ed3"></a><!-- doxytag: member="vtImageSprite::Create" ref="a8e489a4a8d2cba71c521799ae723ed3" args="(vtImage *pImage, bool bBlending=false)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">bool vtImageSprite::Create </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classvtImage.html">vtImage</a> * </td> <td class="mdname" nowrap> <em>pImage</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bool </td> <td class="mdname" nowrap> <em>bBlending</em> = <code>false</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Create a vtImageSprite.<p>Note that if you are not using the image for anything else, you should give ownership to the imagesprite. Example: <div class="fragment"><pre class="fragment"> <a class="code" href="classvtImage.html">vtImage</a> *image = vtImageRead(<span class="stringliteral">"foo.png"</span>); <a class="code" href="classvtImageSprite.html">vtImageSprite</a> *sprite = <span class="keyword">new</span> <a class="code" href="classvtImageSprite.html">vtImageSprite</a>(image, <span class="keyword">false</span>); image-><a class="code" href="classvtImage.html#c47952fcdc74de6e2d4a93c467232087">Release</a>(); <span class="comment">// pass ownership</span></pre></div><p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>pImage</em> </td><td>A texture image. </td></tr> <tr><td valign="top"></td><td valign="top"><em>bBlending</em> </td><td>Set to true for alpha-blending, which produces smooth edges on transparent textures. </td></tr> </table></dl> </td> </tr></table><a class="anchor" name="5797e07ee1b81ca01036fc57e192422b"></a><!-- doxytag: member="vtImageSprite::Create" ref="5797e07ee1b81ca01036fc57e192422b" args="(const char *szTextureName, bool bBlending=false)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">bool vtImageSprite::Create </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const char * </td> <td class="mdname" nowrap> <em>szTextureName</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>bool </td> <td class="mdname" nowrap> <em>bBlending</em> = <code>false</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Create a vtImageSprite.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>szTextureName</em> </td><td>The filename of a texture image. </td></tr> <tr><td valign="top"></td><td valign="top"><em>bBlending</em> </td><td>Set to true for alpha-blending, which produces smooth edges on transparent textures. </td></tr> </table></dl> </td> </tr></table><a class="anchor" name="9bdacc9fc4979ed096a5510b7bea8f1f"></a><!-- doxytag: member="vtImageSprite::SetImage" ref="9bdacc9fc4979ed096a5510b7bea8f1f" args="(vtImage *image)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void vtImageSprite::SetImage </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top"><a class="el" href="classvtImage.html">vtImage</a> * </td> <td class="mdname1" valign="top" nowrap> <em>pImage</em> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Set (replace) the image on a sprite that has already been created. </td> </tr></table><a class="anchor" name="a0d9589903a66d69af9dfe0b3c875847"></a><!-- doxytag: member="vtImageSprite::SetPosition" ref="a0d9589903a66d69af9dfe0b3c875847" args="(float l, float t, float r, float b, float rot=0.0f)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void vtImageSprite::SetPosition </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">float </td> <td class="mdname" nowrap> <em>l</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>float </td> <td class="mdname" nowrap> <em>t</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>float </td> <td class="mdname" nowrap> <em>r</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>float </td> <td class="mdname" nowrap> <em>b</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>float </td> <td class="mdname" nowrap> <em>rot</em> = <code>0.0f</code></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Set the XY position of the sprite. These are in world coordinates, unless this sprite is the child of a <a class="el" href="classvtHUD.html">vtHUD</a>, in which case they are pixel coordinates measured from the lower-left corner of the window.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>l</em> </td><td>Left. </td></tr> <tr><td valign="top"></td><td valign="top"><em>t</em> </td><td>Top. </td></tr> <tr><td valign="top"></td><td valign="top"><em>r</em> </td><td>Right. </td></tr> <tr><td valign="top"></td><td valign="top"><em>b</em> </td><td>Bottom. </td></tr> <tr><td valign="top"></td><td valign="top"><em>rot</em> </td><td>Rotation in radians. </td></tr> </table></dl> </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Mon Jan 14 14:41:01 2008 for vtlib library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.5 </small></address></body></html>⌨️ 快捷键说明
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