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thorvg/docs/html/classtvg_1_1Scene.html
Hermet Park 4423fcf58a doc: updated to v0.15
2024-10-04 00:58:19 +09:00

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<div id="projectname">ThorVG
&#160;<span id="projectnumber">v0.15</span>
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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_1Scene-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">Scene<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 to composite children paints.
<a href="classtvg_1_1Scene.html#details">More...</a></p>
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Inheritance diagram for Scene:</div>
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<div class="center"><img src="classtvg_1_1Scene__inherit__graph.png" border="0" usemap="#aScene_inherit__map" alt="Inheritance graph"/></div>
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<area shape="rect" title="A class to composite children paints." alt="" coords="5,80,67,107"/>
<area shape="rect" href="classtvg_1_1Paint.html" title="An abstract class for managing graphical elements." alt="" coords="9,5,63,32"/>
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Collaboration diagram for Scene:</div>
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<div class="center"><img src="classtvg_1_1Scene__coll__graph.png" border="0" usemap="#aScene_coll__map" alt="Collaboration graph"/></div>
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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:a19240cd5b53571da718fabef8afb7103"><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_1Scene.html#a19240cd5b53571da718fabef8afb7103">push</a> (std::unique_ptr&lt; <a class="el" href="classtvg_1_1Paint.html">Paint</a> &gt; paint) noexcept</td></tr>
<tr class="memdesc:a19240cd5b53571da718fabef8afb7103"><td class="mdescLeft">&#160;</td><td class="mdescRight">Passes drawing elements to the <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</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_1Scene.html#a19240cd5b53571da718fabef8afb7103">More...</a><br /></td></tr>
<tr class="separator:a19240cd5b53571da718fabef8afb7103"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ace6c268f853a4c144076de89b7bbbe75"><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_1Scene.html#ace6c268f853a4c144076de89b7bbbe75">paints</a> () noexcept</td></tr>
<tr class="memdesc:ace6c268f853a4c144076de89b7bbbe75"><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_1Scene.html" title="A class to composite children paints.">Scene</a>. <a href="classtvg_1_1Scene.html#ace6c268f853a4c144076de89b7bbbe75">More...</a><br /></td></tr>
<tr class="separator:ace6c268f853a4c144076de89b7bbbe75"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac020ea777be697067c6f5c8b18f6a4ed"><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_1Scene.html#ac020ea777be697067c6f5c8b18f6a4ed">clear</a> (bool free=true) noexcept</td></tr>
<tr class="memdesc:ac020ea777be697067c6f5c8b18f6a4ed"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the total number of the paints pushed into the scene to be zero. Depending on the value of the <code>free</code> argument, the paints are freed or not. <a href="classtvg_1_1Scene.html#ac020ea777be697067c6f5c8b18f6a4ed">More...</a><br /></td></tr>
<tr class="separator:ac020ea777be697067c6f5c8b18f6a4ed"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8c4d96805c51d1e1876458ad84708925"><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_1Scene.html#a8c4d96805c51d1e1876458ad84708925">push</a> (<a class="el" href="group__ThorVG.html#ga8100e9db83ed1fbb3dd595ba3bddfae5">SceneEffect</a> effect,...) noexcept</td></tr>
<tr class="memdesc:a8c4d96805c51d1e1876458ad84708925"><td class="mdescLeft">&#160;</td><td class="mdescRight">Apply a post-processing effect to the scene. <a href="classtvg_1_1Scene.html#a8c4d96805c51d1e1876458ad84708925">More...</a><br /></td></tr>
<tr class="separator:a8c4d96805c51d1e1876458ad84708925"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0998d9f221df277cafde4934e3828aa2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__ThorVG.html#ga5f787df9cdf370248382504196841479">Type</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Scene.html#a0998d9f221df277cafde4934e3828aa2">type</a> () const noexcept override</td></tr>
<tr class="memdesc:a0998d9f221df277cafde4934e3828aa2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the ID value of this class. <a href="classtvg_1_1Scene.html#a0998d9f221df277cafde4934e3828aa2">More...</a><br /></td></tr>
<tr class="separator:a0998d9f221df277cafde4934e3828aa2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classtvg_1_1Paint"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classtvg_1_1Paint')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classtvg_1_1Paint.html">Paint</a></td></tr>
<tr class="memitem:a7841fa0c14643e09735d48042ead68f3 inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a7841fa0c14643e09735d48042ead68f3">rotate</a> (float degree) noexcept</td></tr>
<tr class="memdesc:a7841fa0c14643e09735d48042ead68f3 inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the angle by which the object is rotated. <a href="classtvg_1_1Paint.html#a7841fa0c14643e09735d48042ead68f3">More...</a><br /></td></tr>
<tr class="separator:a7841fa0c14643e09735d48042ead68f3 inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5c057876185525c5723215f95a3984f2 inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a5c057876185525c5723215f95a3984f2">scale</a> (float factor) noexcept</td></tr>
<tr class="memdesc:a5c057876185525c5723215f95a3984f2 inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the scale value of the object. <a href="classtvg_1_1Paint.html#a5c057876185525c5723215f95a3984f2">More...</a><br /></td></tr>
<tr class="separator:a5c057876185525c5723215f95a3984f2 inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae896f56bfa51c98a50eee3f2bb62e41e inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#ae896f56bfa51c98a50eee3f2bb62e41e">translate</a> (float x, float y) noexcept</td></tr>
<tr class="memdesc:ae896f56bfa51c98a50eee3f2bb62e41e inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the values by which the object is moved in a two-dimensional space. <a href="classtvg_1_1Paint.html#ae896f56bfa51c98a50eee3f2bb62e41e">More...</a><br /></td></tr>
<tr class="separator:ae896f56bfa51c98a50eee3f2bb62e41e inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac9f6ba428afe884bcc2861de0a2a96f4 inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#ac9f6ba428afe884bcc2861de0a2a96f4">transform</a> (const <a class="el" href="structtvg_1_1Matrix.html">Matrix</a> &amp;m) noexcept</td></tr>
<tr class="memdesc:ac9f6ba428afe884bcc2861de0a2a96f4 inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the matrix of the affine transformation for the object. <a href="classtvg_1_1Paint.html#ac9f6ba428afe884bcc2861de0a2a96f4">More...</a><br /></td></tr>
<tr class="separator:ac9f6ba428afe884bcc2861de0a2a96f4 inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad1e49b6eb81e87bd860f19e1b92c574b inherit pub_methods_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structtvg_1_1Matrix.html">Matrix</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#ad1e49b6eb81e87bd860f19e1b92c574b">transform</a> () noexcept</td></tr>
<tr class="memdesc:ad1e49b6eb81e87bd860f19e1b92c574b inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the matrix of the affine transformation of the object. <a href="classtvg_1_1Paint.html#ad1e49b6eb81e87bd860f19e1b92c574b">More...</a><br /></td></tr>
<tr class="separator:ad1e49b6eb81e87bd860f19e1b92c574b inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2f25b71fed3ae390eb8051c7ea65aebf inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a2f25b71fed3ae390eb8051c7ea65aebf">opacity</a> (uint8_t o) noexcept</td></tr>
<tr class="memdesc:a2f25b71fed3ae390eb8051c7ea65aebf inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the opacity of the object. <a href="classtvg_1_1Paint.html#a2f25b71fed3ae390eb8051c7ea65aebf">More...</a><br /></td></tr>
<tr class="separator:a2f25b71fed3ae390eb8051c7ea65aebf inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2e2d077b820d1cfd6502a86e0221638b inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a2e2d077b820d1cfd6502a86e0221638b">composite</a> (std::unique_ptr&lt; <a class="el" href="classtvg_1_1Paint.html">Paint</a> &gt; target, <a class="el" href="group__ThorVG.html#gaabdf94ada64e69d06deabc5aa6576f87">CompositeMethod</a> method) noexcept</td></tr>
<tr class="memdesc:a2e2d077b820d1cfd6502a86e0221638b inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the composition target object and the composition method. <a href="classtvg_1_1Paint.html#a2e2d077b820d1cfd6502a86e0221638b">More...</a><br /></td></tr>
<tr class="separator:a2e2d077b820d1cfd6502a86e0221638b inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a750662e70fca25a8a0e3f6661021c35c inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a750662e70fca25a8a0e3f6661021c35c">clip</a> (std::unique_ptr&lt; <a class="el" href="classtvg_1_1Paint.html">Paint</a> &gt; clipper) noexcept</td></tr>
<tr class="memdesc:a750662e70fca25a8a0e3f6661021c35c inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clip the drawing region of the paint object. <a href="classtvg_1_1Paint.html#a750662e70fca25a8a0e3f6661021c35c">More...</a><br /></td></tr>
<tr class="separator:a750662e70fca25a8a0e3f6661021c35c inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1878016c09373a24de7b8d618d7be6ee inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a1878016c09373a24de7b8d618d7be6ee">blend</a> (<a class="el" href="group__ThorVG.html#ga4dd2f3776540c10b565e0446aa8e9e02">BlendMethod</a> method) noexcept</td></tr>
<tr class="memdesc:a1878016c09373a24de7b8d618d7be6ee inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets the blending method for the paint object. <a href="classtvg_1_1Paint.html#a1878016c09373a24de7b8d618d7be6ee">More...</a><br /></td></tr>
<tr class="separator:a1878016c09373a24de7b8d618d7be6ee inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aed5a6ad8edd827a378111b590ed7755d inherit pub_methods_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top">TVG_DEPRECATED <a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#aed5a6ad8edd827a378111b590ed7755d">bounds</a> (float *x, float *y, float *w, float *h) const noexcept</td></tr>
<tr class="separator:aed5a6ad8edd827a378111b590ed7755d inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1b51b7344eac48d285c073bc488197d3 inherit pub_methods_classtvg_1_1Paint"><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_1Paint.html#a1b51b7344eac48d285c073bc488197d3">bounds</a> (float *x, float *y, float *w, float *h, bool transformed) const noexcept</td></tr>
<tr class="memdesc:a1b51b7344eac48d285c073bc488197d3 inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the axis-aligned bounding box of the paint object. <a href="classtvg_1_1Paint.html#a1b51b7344eac48d285c073bc488197d3">More...</a><br /></td></tr>
<tr class="separator:a1b51b7344eac48d285c073bc488197d3 inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a71afac69fe1e7c352460be5878812635 inherit pub_methods_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classtvg_1_1Paint.html">Paint</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#a71afac69fe1e7c352460be5878812635">duplicate</a> () const noexcept</td></tr>
<tr class="memdesc:a71afac69fe1e7c352460be5878812635 inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Duplicates the object. <a href="classtvg_1_1Paint.html#a71afac69fe1e7c352460be5878812635">More...</a><br /></td></tr>
<tr class="separator:a71afac69fe1e7c352460be5878812635 inherit pub_methods_classtvg_1_1Paint"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2ee7517b8bfad47e0f999ba3450e0e3e inherit pub_methods_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#a2ee7517b8bfad47e0f999ba3450e0e3e">opacity</a> () const noexcept</td></tr>
<tr class="memdesc:a2ee7517b8bfad47e0f999ba3450e0e3e inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the opacity value of the object. <a href="classtvg_1_1Paint.html#a2ee7517b8bfad47e0f999ba3450e0e3e">More...</a><br /></td></tr>
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<tr class="memitem:aefe4ade5b1b6bc13d518bd5f968af3ee inherit pub_methods_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__ThorVG.html#gaabdf94ada64e69d06deabc5aa6576f87">CompositeMethod</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#aefe4ade5b1b6bc13d518bd5f968af3ee">composite</a> (const <a class="el" href="classtvg_1_1Paint.html">Paint</a> **target) const noexcept</td></tr>
<tr class="memdesc:aefe4ade5b1b6bc13d518bd5f968af3ee inherit pub_methods_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Gets the composition target object and the composition method. <a href="classtvg_1_1Paint.html#aefe4ade5b1b6bc13d518bd5f968af3ee">More...</a><br /></td></tr>
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<tr class="memitem:aee92a597f61d9bbdbd223b5dfc3877b7 inherit pub_methods_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top">TVG_DEPRECATED uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#aee92a597f61d9bbdbd223b5dfc3877b7">identifier</a> () const noexcept</td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:a01a17bb81862d89f2a0feb5d9818a149"><td class="memItemLeft" align="right" valign="top">static std::unique_ptr&lt; <a class="el" href="classtvg_1_1Scene.html">Scene</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Scene.html#a01a17bb81862d89f2a0feb5d9818a149">gen</a> () noexcept</td></tr>
<tr class="memdesc:a01a17bb81862d89f2a0feb5d9818a149"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates a new <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a> object. <a href="classtvg_1_1Scene.html#a01a17bb81862d89f2a0feb5d9818a149">More...</a><br /></td></tr>
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<tr class="memitem:ae1adb7ffb2cd728a61829849a31ffaaa"><td class="memItemLeft" align="right" valign="top">static TVG_DEPRECATED uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Scene.html#ae1adb7ffb2cd728a61829849a31ffaaa">identifier</a> () noexcept</td></tr>
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Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_attribs_classtvg_1_1Paint"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_classtvg_1_1Paint')"><img src="closed.png" alt="-"/>&#160;Public Attributes inherited from <a class="el" href="classtvg_1_1Paint.html">Paint</a></td></tr>
<tr class="memitem:abaabdc509cdaba7df9f56c6c76f3ae19 inherit pub_attribs_classtvg_1_1Paint"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classtvg_1_1Paint.html#abaabdc509cdaba7df9f56c6c76f3ae19">id</a> = 0</td></tr>
<tr class="memdesc:abaabdc509cdaba7df9f56c6c76f3ae19 inherit pub_attribs_classtvg_1_1Paint"><td class="mdescLeft">&#160;</td><td class="mdescRight">Unique ID of this instance. <a href="classtvg_1_1Paint.html#abaabdc509cdaba7df9f56c6c76f3ae19">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A class to composite children paints. </p>
<p>As the traditional graphics rendering method, TVG also enables scene-graph mechanism. This feature supports an array function for managing the multiple paints as one group paint.</p>
<p>As a group, the scene can be transformed, made translucent and composited with other target paints, its children will be affected by the scene world. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ac020ea777be697067c6f5c8b18f6a4ed">&#9670;&nbsp;</a></span>clear()</h2>
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<p>Sets the total number of the paints pushed into the scene to be zero. Depending on the value of the <code>free</code> argument, the paints are freed or not. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">free</td><td>If <code>true</code>, the memory occupied by paints is deallocated, otherwise it is not.</td></tr>
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<dl class="section warning"><dt>Warning</dt><dd>If you don't free the paints they become dangled. They are supposed to be reused, otherwise you are responsible for their lives. Thus please use the <code>free</code> argument only when you know how it works, otherwise it's not recommended.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>0.2 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a01a17bb81862d89f2a0feb5d9818a149">&#9670;&nbsp;</a></span>gen()</h2>
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<td class="memname">static std::unique_ptr&lt;<a class="el" href="classtvg_1_1Scene.html">Scene</a>&gt; gen </td>
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<p>Creates a new <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a> object. </p>
<dl class="section return"><dt>Returns</dt><dd>A new <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a> object. </dd></dl>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="classtvg_1_1Scene.html#a0998d9f221df277cafde4934e3828aa2" title="Returns the ID value of this class.">Scene::type()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ace6c268f853a4c144076de89b7bbbe75">&#9670;&nbsp;</a></span>paints()</h2>
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<p>Returns the list of the paints that currently held by the <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a>. </p>
<p>This function provides the list of paint nodes, allowing users a direct opportunity to modify the scene tree.</p>
<dl class="section warning"><dt>Warning</dt><dd>Please avoid accessing the paints during <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a> update/draw. You can access them after calling <a class="el" href="classtvg_1_1Canvas.html#adbca600af79f9a0b8e8366e3be7450e9" title="Guarantees that drawing task is finished.">Canvas::sync()</a>. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classtvg_1_1Canvas.html#adbca600af79f9a0b8e8366e3be7450e9" title="Guarantees that drawing task is finished.">Canvas::sync()</a> </dd>
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<a class="el" href="classtvg_1_1Scene.html#a19240cd5b53571da718fabef8afb7103" title="Passes drawing elements to the Scene using Paint objects.">Scene::push(std::unique_ptr&lt;Paint&gt; paint)</a> </dd>
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<a class="el" href="classtvg_1_1Scene.html#ac020ea777be697067c6f5c8b18f6a4ed" title="Sets the total number of the paints pushed into the scene to be zero. Depending on the value of the f...">Scene::clear()</a></dd></dl>
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<td class="memname"><a class="el" href="group__ThorVG.html#ga28287671eaf7406afd604bd055ba4066">Result</a> push </td>
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<td class="paramtype"><a class="el" href="group__ThorVG.html#ga8100e9db83ed1fbb3dd595ba3bddfae5">SceneEffect</a>&#160;</td>
<td class="paramname"><em>effect</em>, </td>
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<p>Apply a post-processing effect to the scene. </p>
<p>This function adds a specified scene effect, such as clearing all effects or applying a Gaussian blur, to the scene after it has been rendered. Multiple effects can be applied in sequence.</p>
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<tr><td class="paramdir">[in]</td><td class="paramname">effect</td><td>The scene effect to apply. Options are defined in the SceneEffect enum. For example, use <a class="el" href="group__ThorVG.html#gga8100e9db83ed1fbb3dd595ba3bddfae5a4471a723be46b14fd252403c8db161ff" title="Apply a blur effect with a Gaussian filter. Param(3) = {sigma(float)[&gt; 0], direction(int)[both: 0 / h...">SceneEffect::GaussianBlur</a> to apply a blur with specific parameters. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">...</td><td>Additional variadic parameters required for certain effects (e.g., sigma and direction for GaussianBlur).</td></tr>
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<p>Passes drawing elements to the <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a> using <a class="el" href="classtvg_1_1Paint.html" title="An abstract class for managing graphical elements.">Paint</a> objects. </p>
<p>Only the paints pushed into the scene will be the drawn targets. The paints are retained by the scene until <a class="el" href="classtvg_1_1Scene.html#ac020ea777be697067c6f5c8b18f6a4ed" title="Sets the total number of the paints pushed into the scene to be zero. Depending on the value of the f...">Scene::clear()</a> is called.</p>
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<tr><td class="paramdir">[in]</td><td class="paramname">paint</td><td>A <a class="el" href="classtvg_1_1Paint.html" title="An abstract class for managing graphical elements.">Paint</a> object to be drawn.</td></tr>
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<dl class="section note"><dt>Note</dt><dd>The rendering order of the paints is the same as the order as they were pushed. Consider sorting the paints before pushing them if you intend to use layering. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classtvg_1_1Scene.html#ace6c268f853a4c144076de89b7bbbe75" title="Returns the list of the paints that currently held by the Scene.">Scene::paints()</a> </dd>
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<a class="el" href="classtvg_1_1Scene.html#ac020ea777be697067c6f5c8b18f6a4ed" title="Sets the total number of the paints pushed into the scene to be zero. Depending on the value of the f...">Scene::clear()</a> </dd></dl>
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<p>Returns the ID value of this class. </p>
<p>This method can be used to check the current concrete instance type.</p>
<dl class="section return"><dt>Returns</dt><dd>The class type ID of the <a class="el" href="classtvg_1_1Scene.html" title="A class to composite children paints.">Scene</a> instance.</dd></dl>
<dl class="section since"><dt>Since</dt><dd>Experimental API </dd></dl>
<p>Implements <a class="el" href="classtvg_1_1Paint.html#aec24b20e43f4edf0fc046517db603181">Paint</a>.</p>
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