thorvg/docs/html/classtvg_1_1GlCanvas.html
2021-05-25 14:21:09 +09:00

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<div id="projectname">ThorVG
&#160;<span id="projectnumber">v0.1</span>
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<div id="projectbrief">ThorVG is a platform-independent portable library for drawing vector-based scene and animation. It&#39;s an open-source software that is freely used by a variety of software platforms and applications. ThorVG provides neat and easy APIs, its library has no dependencies and keeps cheap and super compact size. It serves as the vector graphics engine for Tizen OS that powers many products.</div>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
<a href="classtvg_1_1GlCanvas-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">GlCanvas<span class="mlabels"><span class="mlabel">final</span></span><div class="ingroups"><a class="el" href="group__ThorVG.html">ThorVG</a></div></div> </div>
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<p>A class for the rendering graphic elements with a GL raster engine.
<a href="classtvg_1_1GlCanvas.html#details">More...</a></p>
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Inheritance diagram for GlCanvas:</div>
<div class="dyncontent">
<div class="center"><img src="classtvg_1_1GlCanvas__inherit__graph.png" border="0" usemap="#GlCanvas_inherit__map" alt="Inheritance graph"/></div>
<map name="GlCanvas_inherit__map" id="GlCanvas_inherit__map">
<area shape="rect" id="node2" href="classtvg_1_1Canvas.html" title="An abstract class for drawing graphical elements. " alt="" coords="12,5,79,32"/>
</map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aad369f9a4a762338d0ef4a16265a0f29"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1GlCanvas.html#aad369f9a4a762338d0ef4a16265a0f29">target</a> (uint32_t *buffer, uint32_t stride, uint32_t w, uint32_t h) noexcept</td></tr>
<tr class="memdesc:aad369f9a4a762338d0ef4a16265a0f29"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the target buffer for the rasterization. <a href="#aad369f9a4a762338d0ef4a16265a0f29">More...</a><br /></td></tr>
<tr class="separator:aad369f9a4a762338d0ef4a16265a0f29"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classtvg_1_1Canvas"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classtvg_1_1Canvas')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classtvg_1_1Canvas.html">Canvas</a></td></tr>
<tr class="memitem:a4cff0ab757e1db9077bbecaf25f012ba inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#a4cff0ab757e1db9077bbecaf25f012ba">reserve</a> (uint32_t n) noexcept</td></tr>
<tr class="memdesc:a4cff0ab757e1db9077bbecaf25f012ba inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the size of the container, where all the paints pushed into the <a class="el" href="classtvg_1_1Canvas.html" title="An abstract class for drawing graphical elements. ">Canvas</a> are stored. <a href="classtvg_1_1Canvas.html#a4cff0ab757e1db9077bbecaf25f012ba">More...</a><br /></td></tr>
<tr class="separator:a4cff0ab757e1db9077bbecaf25f012ba inherit pub_methods_classtvg_1_1Canvas"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a82c5ec1c1ba93cf7671642400074201e inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#a82c5ec1c1ba93cf7671642400074201e">push</a> (std::unique_ptr&lt; <a class="el" href="classtvg_1_1Paint.html">Paint</a> &gt; paint) noexcept</td></tr>
<tr class="memdesc:a82c5ec1c1ba93cf7671642400074201e inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Passes drawing elements to the <a class="el" href="classtvg_1_1Canvas.html" title="An abstract class for drawing graphical elements. ">Canvas</a> using <a class="el" href="classtvg_1_1Paint.html" title="An abstract class for managing graphical elements. ">Paint</a> objects. <a href="classtvg_1_1Canvas.html#a82c5ec1c1ba93cf7671642400074201e">More...</a><br /></td></tr>
<tr class="separator:a82c5ec1c1ba93cf7671642400074201e inherit pub_methods_classtvg_1_1Canvas"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a99cdb01cd893f4199b521b754d21aefd inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#a99cdb01cd893f4199b521b754d21aefd">clear</a> (bool free=true) noexcept</td></tr>
<tr class="memdesc:a99cdb01cd893f4199b521b754d21aefd inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the total number of the paints pushed into the canvas to be zero. Depending on the value of the <code>free</code> argument, the paints are freed or not. <a href="classtvg_1_1Canvas.html#a99cdb01cd893f4199b521b754d21aefd">More...</a><br /></td></tr>
<tr class="separator:a99cdb01cd893f4199b521b754d21aefd inherit pub_methods_classtvg_1_1Canvas"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acf6e6748e3d4f218e920c380b4950355 inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#acf6e6748e3d4f218e920c380b4950355">update</a> (<a class="el" href="classtvg_1_1Paint.html">Paint</a> *paint) noexcept</td></tr>
<tr class="memdesc:acf6e6748e3d4f218e920c380b4950355 inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the canvas to update the paint objects. <a href="classtvg_1_1Canvas.html#acf6e6748e3d4f218e920c380b4950355">More...</a><br /></td></tr>
<tr class="separator:acf6e6748e3d4f218e920c380b4950355 inherit pub_methods_classtvg_1_1Canvas"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aabf9e5a14da3b4bfd5883c2b4459abd0 inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#aabf9e5a14da3b4bfd5883c2b4459abd0">draw</a> () noexcept</td></tr>
<tr class="memdesc:aabf9e5a14da3b4bfd5883c2b4459abd0 inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Request the canvas to draw the <a class="el" href="classtvg_1_1Paint.html" title="An abstract class for managing graphical elements. ">Paint</a> objects. <a href="classtvg_1_1Canvas.html#aabf9e5a14da3b4bfd5883c2b4459abd0">More...</a><br /></td></tr>
<tr class="separator:aabf9e5a14da3b4bfd5883c2b4459abd0 inherit pub_methods_classtvg_1_1Canvas"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adbca600af79f9a0b8e8366e3be7450e9 inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#adbca600af79f9a0b8e8366e3be7450e9">sync</a> () noexcept</td></tr>
<tr class="memdesc:adbca600af79f9a0b8e8366e3be7450e9 inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Guarantees that drawing task is finished. <a href="classtvg_1_1Canvas.html#adbca600af79f9a0b8e8366e3be7450e9">More...</a><br /></td></tr>
<tr class="separator:adbca600af79f9a0b8e8366e3be7450e9 inherit pub_methods_classtvg_1_1Canvas"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:ad6ae7e14a4f29b7ae78ad5b92350cf90"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classtvg_1_1GlCanvas.html">GlCanvas</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1GlCanvas.html#ad6ae7e14a4f29b7ae78ad5b92350cf90">gen</a> () noexcept</td></tr>
<tr class="memdesc:ad6ae7e14a4f29b7ae78ad5b92350cf90"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates a new <a class="el" href="classtvg_1_1GlCanvas.html" title="A class for the rendering graphic elements with a GL raster engine. ">GlCanvas</a> object. <a href="#ad6ae7e14a4f29b7ae78ad5b92350cf90">More...</a><br /></td></tr>
<tr class="separator:ad6ae7e14a4f29b7ae78ad5b92350cf90"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A class for the rendering graphic elements with a GL raster engine. </p>
<dl class="section warning"><dt>Warning</dt><dd>Please do not use it. This class is not fully supported yet.</dd></dl>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ad6ae7e14a4f29b7ae78ad5b92350cf90"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad6ae7e14a4f29b7ae78ad5b92350cf90">&#9670;&nbsp;</a></span>gen()</h2>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classtvg_1_1GlCanvas.html">GlCanvas</a>&gt; gen </td>
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<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">noexcept</span></span> </td>
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<p>Creates a new <a class="el" href="classtvg_1_1GlCanvas.html" title="A class for the rendering graphic elements with a GL raster engine. ">GlCanvas</a> object. </p>
<dl class="section return"><dt>Returns</dt><dd>A new <a class="el" href="classtvg_1_1GlCanvas.html" title="A class for the rendering graphic elements with a GL raster engine. ">GlCanvas</a> object.</dd></dl>
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<a id="aad369f9a4a762338d0ef4a16265a0f29"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aad369f9a4a762338d0ef4a16265a0f29">&#9670;&nbsp;</a></span>target()</h2>
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<td class="memname"><a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a> target </td>
<td>(</td>
<td class="paramtype">uint32_t *&#160;</td>
<td class="paramname"><em>buffer</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>stride</em>, </td>
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<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>w</em>, </td>
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<td class="paramtype">uint32_t&#160;</td>
<td class="paramname"><em>h</em>&#160;</td>
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<td>)</td>
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<span class="mlabels"><span class="mlabel">noexcept</span></span> </td>
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<p>Sets the target buffer for the rasterization. </p>
<dl class="section warning"><dt>Warning</dt><dd>Please do not use it, this API is not official one. It could be modified in the next version.</dd></dl>
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<li class="navelem"><b>tvg</b></li><li class="navelem"><a class="el" href="classtvg_1_1GlCanvas.html">GlCanvas</a></li>
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