thorvg/docs/html/classtvg_1_1WgCanvas.html
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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_1WgCanvas-members.html">List of all members</a> </div>
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<div class="title">WgCanvas<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 WebGPU raster engine.
<a href="classtvg_1_1WgCanvas.html#details">More...</a></p>
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Inheritance diagram for WgCanvas:</div>
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<div class="center"><img src="classtvg_1_1WgCanvas__inherit__graph.png" border="0" usemap="#aWgCanvas_inherit__map" alt="Inheritance graph"/></div>
<map name="aWgCanvas_inherit__map" id="aWgCanvas_inherit__map">
<area shape="rect" title="A class for the rendering graphic elements with a WebGPU raster engine." alt="" coords="5,80,96,107"/>
<area shape="rect" href="classtvg_1_1Canvas.html" title="An abstract class for drawing graphical elements." alt="" coords="15,5,86,32"/>
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<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
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Collaboration diagram for WgCanvas:</div>
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<div class="center"><img src="classtvg_1_1WgCanvas__coll__graph.png" border="0" usemap="#aWgCanvas_coll__map" alt="Collaboration graph"/></div>
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<area shape="rect" href="classtvg_1_1Canvas.html" title="An abstract class for drawing graphical elements." alt="" coords="15,5,86,32"/>
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<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:a8374462d6f583b287a3664bee0d22c9a"><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_1WgCanvas.html#a8374462d6f583b287a3664bee0d22c9a">target</a> (void *instance, void *surface, uint32_t w, uint32_t h) noexcept</td></tr>
<tr class="memdesc:a8374462d6f583b287a3664bee0d22c9a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the drawing target for the rasterization. <a href="classtvg_1_1WgCanvas.html#a8374462d6f583b287a3664bee0d22c9a">More...</a><br /></td></tr>
<tr class="separator:a8374462d6f583b287a3664bee0d22c9a"><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:ace6c268f853a4c144076de89b7bbbe75 inherit pub_methods_classtvg_1_1Canvas"><td class="memItemLeft" align="right" valign="top">std::list&lt; <a class="el" href="classtvg_1_1Paint.html">Paint</a> * &gt; &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Canvas.html#ace6c268f853a4c144076de89b7bbbe75">paints</a> () noexcept</td></tr>
<tr class="memdesc:ace6c268f853a4c144076de89b7bbbe75 inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the list of the paints that currently held by the <a class="el" href="classtvg_1_1Canvas.html" title="An abstract class for drawing graphical elements.">Canvas</a>. <a href="classtvg_1_1Canvas.html#ace6c268f853a4c144076de89b7bbbe75">More...</a><br /></td></tr>
<tr class="separator:ace6c268f853a4c144076de89b7bbbe75 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">Clear the internal canvas resources that used for the drawing. <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:a89ac8a85a8c22723af9fb07c098472b3 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#a89ac8a85a8c22723af9fb07c098472b3">update</a> (<a class="el" href="classtvg_1_1Paint.html">Paint</a> *paint=nullptr) noexcept</td></tr>
<tr class="memdesc:a89ac8a85a8c22723af9fb07c098472b3 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#a89ac8a85a8c22723af9fb07c098472b3">More...</a><br /></td></tr>
<tr class="separator:a89ac8a85a8c22723af9fb07c098472b3 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">Requests 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:a2172bfc1790cee5dedd9cda7a2caf64e 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#a2172bfc1790cee5dedd9cda7a2caf64e">viewport</a> (int32_t x, int32_t y, int32_t w, int32_t h) noexcept</td></tr>
<tr class="memdesc:a2172bfc1790cee5dedd9cda7a2caf64e inherit pub_methods_classtvg_1_1Canvas"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the drawing region in the canvas. <a href="classtvg_1_1Canvas.html#a2172bfc1790cee5dedd9cda7a2caf64e">More...</a><br /></td></tr>
<tr class="separator:a2172bfc1790cee5dedd9cda7a2caf64e 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:ac284273a5345c1b5b7010f8e35ec7a4c"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classtvg_1_1WgCanvas.html">WgCanvas</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1WgCanvas.html#ac284273a5345c1b5b7010f8e35ec7a4c">gen</a> () noexcept</td></tr>
<tr class="memdesc:ac284273a5345c1b5b7010f8e35ec7a4c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates a new <a class="el" href="classtvg_1_1WgCanvas.html" title="A class for the rendering graphic elements with a WebGPU raster engine.">WgCanvas</a> object. <a href="classtvg_1_1WgCanvas.html#ac284273a5345c1b5b7010f8e35ec7a4c">More...</a><br /></td></tr>
<tr class="separator:ac284273a5345c1b5b7010f8e35ec7a4c"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<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 WebGPU 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>
<dl class="section note"><dt>Note</dt><dd>Experimental API </dd></dl>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ac284273a5345c1b5b7010f8e35ec7a4c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac284273a5345c1b5b7010f8e35ec7a4c">&#9670;&nbsp;</a></span>gen()</h2>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classtvg_1_1WgCanvas.html">WgCanvas</a>&gt; gen </td>
<td>(</td>
<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_1WgCanvas.html" title="A class for the rendering graphic elements with a WebGPU raster engine.">WgCanvas</a> object. </p>
<dl class="section return"><dt>Returns</dt><dd>A new <a class="el" href="classtvg_1_1WgCanvas.html" title="A class for the rendering graphic elements with a WebGPU raster engine.">WgCanvas</a> object.</dd></dl>
<dl class="section note"><dt>Note</dt><dd>Experimental API </dd></dl>
</div>
</div>
<a id="a8374462d6f583b287a3664bee0d22c9a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8374462d6f583b287a3664bee0d22c9a">&#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">void *&#160;</td>
<td class="paramname"><em>instance</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>surface</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>
<td>)</td>
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<p>Sets the drawing target for the rasterization. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">instance</td><td>WGPUInstance, context for all other wgpu objects. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">surface</td><td>WGPUSurface, handle to a presentable surface. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">w</td><td>The width of the surface. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">h</td><td>The height of the surface.</td></tr>
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</dd>
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<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname"><a class="el" href="group__ThorVG.html#gga28287671eaf7406afd604bd055ba4066a119732ff568bf103d744e930ae2404f1" title="The value returned in case the request cannot be processed - e.g. asking for properties of an object,...">Result::InsufficientCondition</a></td><td>if the canvas is performing rendering. Please ensure the canvas is synced. </td></tr>
<tr><td class="paramname"><a class="el" href="group__ThorVG.html#gga28287671eaf7406afd604bd055ba4066aa0cfd518e4385f31d38720579321ed29" title="The value returned in case of choosing unsupported engine features(options).">Result::NonSupport</a></td><td>In case the wg engine is not supported.</td></tr>
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<dl class="section note"><dt>Note</dt><dd>Experimental API</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classtvg_1_1Canvas.html#a2172bfc1790cee5dedd9cda7a2caf64e" title="Sets the drawing region in the canvas.">Canvas::viewport()</a> </dd>
<dd>
<a class="el" href="classtvg_1_1Canvas.html#adbca600af79f9a0b8e8366e3be7450e9" title="Guarantees that drawing task is finished.">Canvas::sync()</a> </dd></dl>
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