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 <span id="projectnumber">6.1.4</span>
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<a href="#pub-types">Public Types</a> |
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<a href="class_qwt_plot_raster_item-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">QwtPlotRasterItem Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>A class, which displays raster data.
<a href="class_qwt_plot_raster_item.html#details">More...</a></p>
<p><code>#include <<a class="el" href="qwt__plot__rasteritem_8h_source.html">qwt_plot_rasteritem.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for QwtPlotRasterItem:</div>
<div class="dyncontent">
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<area shape="rect" id="node3" href="class_qwt_plot_spectrogram.html" title="A plot item, which displays a spectrogram. " alt="" coords="5,155,151,181"/>
<area shape="rect" id="node2" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas. " alt="" coords="31,5,125,32"/>
</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-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a94929fc4c31c3dab75ee5adcac2d57b0"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a> { <a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e">NoCache</a>,
<a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0a3bfb74bebbfe1ccabe1d6654fee7c56d">PaintCache</a>
}</td></tr>
<tr class="memdesc:a94929fc4c31c3dab75ee5adcac2d57b0"><td class="mdescLeft"> </td><td class="mdescRight">Cache policy The default policy is NoCache. <a href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">More...</a><br /></td></tr>
<tr class="separator:a94929fc4c31c3dab75ee5adcac2d57b0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a75ac68ea258b8612e8a1893e845394ee"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> { <a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d">PaintInDeviceResolution</a> = 1
}</td></tr>
<tr class="separator:a75ac68ea258b8612e8a1893e845394ee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6bde441d571c4943da01765dec2d4b4a"><td class="memItemLeft" align="right" valign="top"><a id="a6bde441d571c4943da01765dec2d4b4a"></a>
typedef QFlags< <a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a">PaintAttributes</a></td></tr>
<tr class="memdesc:a6bde441d571c4943da01765dec2d4b4a"><td class="mdescLeft"> </td><td class="mdescRight">Paint attributes. <br /></td></tr>
<tr class="separator:a6bde441d571c4943da01765dec2d4b4a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_types_class_qwt_plot_item"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_qwt_plot_item')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="class_qwt_plot_item.html">QwtPlotItem</a></td></tr>
<tr class="memitem:ab149ac85e233ce9cedf2f2f2af871bf3 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3">RttiValues</a> { <br />
  <a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3af1fb53ddb320ecbf2bba00a323cf08ff">Rtti_PlotItem</a> = 0,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3af3125faa8333135a5724cc1d6c276683">Rtti_PlotGrid</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a386936d7e0186eabeb833a51cc4fb1cc">Rtti_PlotScale</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a06cd77e370cf62597501e692965e1f9c">Rtti_PlotLegend</a>,
<br />
  <a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a15b3819a193f24b76c78e39cb80c7789">Rtti_PlotMarker</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3af51a35012ed097a762b8918cf20caa69">Rtti_PlotCurve</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a27c1741ae71fad58da835b747246015d">Rtti_PlotSpectroCurve</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a5698aa120baa6e3d3d2a6bda8a82b226">Rtti_PlotIntervalCurve</a>,
<br />
  <a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a4538dd66ec78ffd7ce6763f9000edcee">Rtti_PlotHistogram</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3ad67d72195856e6fd8112e1b310f3acb7">Rtti_PlotSpectrogram</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a3aabc62d4c006ab40dd3e01db692ab4a">Rtti_PlotSVG</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3abcd9cebf717e528cb67458abfbf622dd">Rtti_PlotTradingCurve</a>,
<br />
  <a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3ab89eb3547903640b6cc9d0aac02ef6c3">Rtti_PlotBarChart</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a73007ac5158d0ac857af2c6dcecf2712">Rtti_PlotMultiBarChart</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3af18fa4c34b44eaf43e13608c6bd7c7b7">Rtti_PlotShape</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3ae6f046fd43f578ad8a59243e6e665167">Rtti_PlotTextLabel</a>,
<br />
  <a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3a52b2ec5c64c77a36a103b329a530b606">Rtti_PlotZone</a>,
<a class="el" href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3aa60198228f57f46d4c64e4779107d0dc">Rtti_PlotUserItem</a> = 1000
<br />
}</td></tr>
<tr class="memdesc:ab149ac85e233ce9cedf2f2f2af871bf3"><td class="mdescLeft"> </td><td class="mdescRight">Runtime type information. <a href="class_qwt_plot_item.html#ab149ac85e233ce9cedf2f2f2af871bf3">More...</a><br /></td></tr>
<tr class="separator:ab149ac85e233ce9cedf2f2f2af871bf3 inherit pub_types_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae0fabcdd35f4818ce5bbe019b0eed062 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062">ItemAttribute</a> { <a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a4e377b54bd879c60a95162b6a9e9e176">Legend</a> = 0x01,
<a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a9de83e2ad8a88796a36a11ef8b033a48">AutoScale</a> = 0x02,
<a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062a56ea00cf43b862667dec2ac727307d4d">Margins</a> = 0x04
}</td></tr>
<tr class="memdesc:ae0fabcdd35f4818ce5bbe019b0eed062"><td class="mdescLeft"> </td><td class="mdescRight">Plot Item Attributes. <a href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062">More...</a><br /></td></tr>
<tr class="separator:ae0fabcdd35f4818ce5bbe019b0eed062 inherit pub_types_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:affbc42460ace9ac725fa825a3f8bfb66 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66">ItemInterest</a> { <a class="el" href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66a0d1c46890f22ef973d897ab0a9d38971">ScaleInterest</a> = 0x01,
<a class="el" href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66afcc4ef45e6613104ccc2b9f7988e4d22">LegendInterest</a> = 0x02
}</td></tr>
<tr class="memdesc:affbc42460ace9ac725fa825a3f8bfb66"><td class="mdescLeft"> </td><td class="mdescRight">Plot Item Interests. <a href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66">More...</a><br /></td></tr>
<tr class="separator:affbc42460ace9ac725fa825a3f8bfb66 inherit pub_types_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abe0e8a39aceef9a600b73e02550a9704 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#abe0e8a39aceef9a600b73e02550a9704">RenderHint</a> { <a class="el" href="class_qwt_plot_item.html#abe0e8a39aceef9a600b73e02550a9704ae0c9811915d496eaacbd749724647f13">RenderAntialiased</a> = 0x1
}</td></tr>
<tr class="memdesc:abe0e8a39aceef9a600b73e02550a9704"><td class="mdescLeft"> </td><td class="mdescRight">Render hints. <a href="class_qwt_plot_item.html#abe0e8a39aceef9a600b73e02550a9704">More...</a><br /></td></tr>
<tr class="separator:abe0e8a39aceef9a600b73e02550a9704 inherit pub_types_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af356dc13c7838c7437334e199a356764 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="af356dc13c7838c7437334e199a356764"></a>
typedef QFlags< <a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062">ItemAttribute</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#af356dc13c7838c7437334e199a356764">ItemAttributes</a></td></tr>
<tr class="memdesc:af356dc13c7838c7437334e199a356764 inherit pub_types_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Plot Item Attributes. <br /></td></tr>
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<tr class="memitem:a6a0c870664f074f342422859638c1228 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a6a0c870664f074f342422859638c1228"></a>
typedef QFlags< <a class="el" href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66">ItemInterest</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a6a0c870664f074f342422859638c1228">ItemInterests</a></td></tr>
<tr class="memdesc:a6a0c870664f074f342422859638c1228 inherit pub_types_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Plot Item Interests. <br /></td></tr>
<tr class="separator:a6a0c870664f074f342422859638c1228 inherit pub_types_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a40cf900701d3a68948b00316689616d1 inherit pub_types_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a40cf900701d3a68948b00316689616d1"></a>
typedef QFlags< <a class="el" href="class_qwt_plot_item.html#abe0e8a39aceef9a600b73e02550a9704">RenderHint</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a40cf900701d3a68948b00316689616d1">RenderHints</a></td></tr>
<tr class="memdesc:a40cf900701d3a68948b00316689616d1 inherit pub_types_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Render hints. <br /></td></tr>
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</table><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:ac537e137ad0d594a3276b0f76202a626"><td class="memItemLeft" align="right" valign="top"><a id="ac537e137ad0d594a3276b0f76202a626"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#ac537e137ad0d594a3276b0f76202a626">QwtPlotRasterItem</a> (const QString &<a class="el" href="class_qwt_plot_item.html#a3abdb947d71e457de120851922de3197">title</a>=QString())</td></tr>
<tr class="memdesc:ac537e137ad0d594a3276b0f76202a626"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
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<tr class="memitem:af487c6abc8e95200d4537d1373f96be5"><td class="memItemLeft" align="right" valign="top"><a id="af487c6abc8e95200d4537d1373f96be5"></a>
 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#af487c6abc8e95200d4537d1373f96be5">QwtPlotRasterItem</a> (const <a class="el" href="class_qwt_text.html">QwtText</a> &<a class="el" href="class_qwt_plot_item.html#a3abdb947d71e457de120851922de3197">title</a>)</td></tr>
<tr class="memdesc:af487c6abc8e95200d4537d1373f96be5"><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br /></td></tr>
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<tr class="memitem:a2715233827c346ab15504dc75d6e9714"><td class="memItemLeft" align="right" valign="top"><a id="a2715233827c346ab15504dc75d6e9714"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a2715233827c346ab15504dc75d6e9714">~QwtPlotRasterItem</a> ()</td></tr>
<tr class="memdesc:a2715233827c346ab15504dc75d6e9714"><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br /></td></tr>
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<tr class="memitem:a70d6b94821e5eafb29b1f045d1f3a2e6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a70d6b94821e5eafb29b1f045d1f3a2e6">setPaintAttribute</a> (<a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a>, bool on=true)</td></tr>
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<tr class="memitem:a0244b24502abe26185b70b7ee6a4905c"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c">testPaintAttribute</a> (<a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a>) const</td></tr>
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<tr class="memitem:a14f2ab8ec0994384e6269f869c352273"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273">setAlpha</a> (int <a class="el" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a>)</td></tr>
<tr class="memdesc:a14f2ab8ec0994384e6269f869c352273"><td class="mdescLeft"> </td><td class="mdescRight">Set an alpha value for the raster data. <a href="#a14f2ab8ec0994384e6269f869c352273">More...</a><br /></td></tr>
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<tr class="memitem:a6a8ee7f74861bf13335044810174bd3c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha</a> () const</td></tr>
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<tr class="memitem:a31f74199f7e333c2683b0f18289e4c7f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a31f74199f7e333c2683b0f18289e4c7f">setCachePolicy</a> (<a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a>)</td></tr>
<tr class="separator:a31f74199f7e333c2683b0f18289e4c7f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aec74de65bf6b566afd52db6dc4c67c46"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#aec74de65bf6b566afd52db6dc4c67c46">cachePolicy</a> () const</td></tr>
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<tr class="memitem:a547ce4d8d031b230226cfbd509ef65b5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a547ce4d8d031b230226cfbd509ef65b5">invalidateCache</a> ()</td></tr>
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<tr class="memitem:ad1b901baadc6a694929ee39a5a2acbbb"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#ad1b901baadc6a694929ee39a5a2acbbb">draw</a> (QPainter *, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &xMap, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &yMap, const QRectF &canvasRect) const</td></tr>
<tr class="memdesc:ad1b901baadc6a694929ee39a5a2acbbb"><td class="mdescLeft"> </td><td class="mdescRight">Draw the raster data. <a href="#ad1b901baadc6a694929ee39a5a2acbbb">More...</a><br /></td></tr>
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<tr class="memitem:a879bb4bc04be084022e9cc5abab748f3"><td class="memItemLeft" align="right" valign="top">virtual QRectF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a879bb4bc04be084022e9cc5abab748f3">pixelHint</a> (const QRectF &) const</td></tr>
<tr class="memdesc:a879bb4bc04be084022e9cc5abab748f3"><td class="mdescLeft"> </td><td class="mdescRight">Pixel hint. <a href="#a879bb4bc04be084022e9cc5abab748f3">More...</a><br /></td></tr>
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<tr class="memitem:ae89258a78b262ccaad43c4a2d5f7b5b4"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_interval.html">QwtInterval</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">interval</a> (Qt::Axis) const</td></tr>
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<tr class="memitem:a90086b343d7574af73b107940560a205"><td class="memItemLeft" align="right" valign="top">virtual QRectF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a90086b343d7574af73b107940560a205">boundingRect</a> () const</td></tr>
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<tr class="inherit_header pub_methods_class_qwt_plot_item"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_qwt_plot_item')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_qwt_plot_item.html">QwtPlotItem</a></td></tr>
<tr class="memitem:a5d892ac856fb9176515c5f2d806161dc inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a5d892ac856fb9176515c5f2d806161dc">QwtPlotItem</a> (const <a class="el" href="class_qwt_text.html">QwtText</a> &<a class="el" href="class_qwt_plot_item.html#a3abdb947d71e457de120851922de3197">title</a>=<a class="el" href="class_qwt_text.html">QwtText</a>())</td></tr>
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<tr class="memitem:a282a1d0424a06737f80e1fe83ccf7a0c inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a282a1d0424a06737f80e1fe83ccf7a0c"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a282a1d0424a06737f80e1fe83ccf7a0c">~QwtPlotItem</a> ()</td></tr>
<tr class="memdesc:a282a1d0424a06737f80e1fe83ccf7a0c inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Destroy the <a class="el" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas. ">QwtPlotItem</a>. <br /></td></tr>
<tr class="separator:a282a1d0424a06737f80e1fe83ccf7a0c inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeb2f676533ccae3436bf578824e2165e inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#aeb2f676533ccae3436bf578824e2165e">attach</a> (<a class="el" href="class_qwt_plot.html">QwtPlot</a> *<a class="el" href="class_qwt_plot_item.html#a68dc5c562bdec6ee764ddedae6acd3bf">plot</a>)</td></tr>
<tr class="memdesc:aeb2f676533ccae3436bf578824e2165e inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Attach the item to a plot. <a href="class_qwt_plot_item.html#aeb2f676533ccae3436bf578824e2165e">More...</a><br /></td></tr>
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<tr class="memitem:ab2bbee6dbe36a5f1d0ce853ac66716a6 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ab2bbee6dbe36a5f1d0ce853ac66716a6">detach</a> ()</td></tr>
<tr class="memdesc:ab2bbee6dbe36a5f1d0ce853ac66716a6 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">This method detaches a <a class="el" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas. ">QwtPlotItem</a> from any <a class="el" href="class_qwt_plot.html" title="A 2-D plotting widget. ">QwtPlot</a> it has been associated with. <a href="class_qwt_plot_item.html#ab2bbee6dbe36a5f1d0ce853ac66716a6">More...</a><br /></td></tr>
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<tr class="memitem:a68dc5c562bdec6ee764ddedae6acd3bf inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a68dc5c562bdec6ee764ddedae6acd3bf"></a>
<a class="el" href="class_qwt_plot.html">QwtPlot</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a68dc5c562bdec6ee764ddedae6acd3bf">plot</a> () const</td></tr>
<tr class="memdesc:a68dc5c562bdec6ee764ddedae6acd3bf inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Return attached plot. <br /></td></tr>
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<tr class="memitem:a1b74686181ab6dd5033917123c7db30f inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a1b74686181ab6dd5033917123c7db30f">setTitle</a> (const QString &<a class="el" href="class_qwt_plot_item.html#a3abdb947d71e457de120851922de3197">title</a>)</td></tr>
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<tr class="memitem:a2db3214b23b78274fa6f8c0321a76839 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a2db3214b23b78274fa6f8c0321a76839">setTitle</a> (const <a class="el" href="class_qwt_text.html">QwtText</a> &<a class="el" href="class_qwt_plot_item.html#a3abdb947d71e457de120851922de3197">title</a>)</td></tr>
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<tr class="memitem:a3abdb947d71e457de120851922de3197 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_text.html">QwtText</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a3abdb947d71e457de120851922de3197">title</a> () const</td></tr>
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<tr class="memitem:a803613b24e745834b2115ee574dda610 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a803613b24e745834b2115ee574dda610">rtti</a> () const</td></tr>
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<tr class="memitem:a5a335be8ff488809a2cf7f4b734ad1b6 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a5a335be8ff488809a2cf7f4b734ad1b6">setItemAttribute</a> (<a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062">ItemAttribute</a>, bool on=true)</td></tr>
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<tr class="memitem:ac5ffcdbabee06b75a3cc5d863b61a69a inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ac5ffcdbabee06b75a3cc5d863b61a69a">testItemAttribute</a> (<a class="el" href="class_qwt_plot_item.html#ae0fabcdd35f4818ce5bbe019b0eed062">ItemAttribute</a>) const</td></tr>
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<tr class="memitem:ab65cbfe489ff73e32a919a0633298fb7 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ab65cbfe489ff73e32a919a0633298fb7">setItemInterest</a> (<a class="el" href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66">ItemInterest</a>, bool on=true)</td></tr>
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<tr class="memitem:a8ce5dec4588f9010ffcda7c3bf661644 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a8ce5dec4588f9010ffcda7c3bf661644">testItemInterest</a> (<a class="el" href="class_qwt_plot_item.html#affbc42460ace9ac725fa825a3f8bfb66">ItemInterest</a>) const</td></tr>
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<tr class="memitem:acd023c40f659c304ded324942865edc8 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#acd023c40f659c304ded324942865edc8">setRenderHint</a> (<a class="el" href="class_qwt_plot_item.html#abe0e8a39aceef9a600b73e02550a9704">RenderHint</a>, bool on=true)</td></tr>
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<tr class="memitem:aca66d2161c8a6caf5ebef82f59770d15 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#aca66d2161c8a6caf5ebef82f59770d15">testRenderHint</a> (<a class="el" href="class_qwt_plot_item.html#abe0e8a39aceef9a600b73e02550a9704">RenderHint</a>) const</td></tr>
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<tr class="memitem:a188ae18fbbce9adcf259ebe2f0de1f6b inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a188ae18fbbce9adcf259ebe2f0de1f6b">setRenderThreadCount</a> (uint numThreads)</td></tr>
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<tr class="memitem:ae3651df9594cb48f8221f7b1cc7852ca inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">uint </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ae3651df9594cb48f8221f7b1cc7852ca">renderThreadCount</a> () const</td></tr>
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<tr class="memitem:a0827dd69bf19ec0145b6cc6efad2c11b inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a0827dd69bf19ec0145b6cc6efad2c11b">setLegendIconSize</a> (const QSize &)</td></tr>
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<tr class="memitem:af516644c94b0ec799af2eb2f0d0f6893 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">QSize </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#af516644c94b0ec799af2eb2f0d0f6893">legendIconSize</a> () const</td></tr>
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<tr class="memitem:a717c27fba94fd761a2d4ec06e9dbfa21 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a717c27fba94fd761a2d4ec06e9dbfa21">z</a> () const</td></tr>
<tr class="separator:a717c27fba94fd761a2d4ec06e9dbfa21 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a57d90e4146133b59d589c71b3a643e82 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a57d90e4146133b59d589c71b3a643e82">setZ</a> (double <a class="el" href="class_qwt_plot_item.html#a717c27fba94fd761a2d4ec06e9dbfa21">z</a>)</td></tr>
<tr class="memdesc:a57d90e4146133b59d589c71b3a643e82 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Set the z value. <a href="class_qwt_plot_item.html#a57d90e4146133b59d589c71b3a643e82">More...</a><br /></td></tr>
<tr class="separator:a57d90e4146133b59d589c71b3a643e82 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a93a50fb9c86bc66617e28315e02281c3 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a93a50fb9c86bc66617e28315e02281c3"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a93a50fb9c86bc66617e28315e02281c3">show</a> ()</td></tr>
<tr class="memdesc:a93a50fb9c86bc66617e28315e02281c3 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Show the item. <br /></td></tr>
<tr class="separator:a93a50fb9c86bc66617e28315e02281c3 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1faea017baa2492416a13e6bc3c144aa inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a1faea017baa2492416a13e6bc3c144aa"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a1faea017baa2492416a13e6bc3c144aa">hide</a> ()</td></tr>
<tr class="memdesc:a1faea017baa2492416a13e6bc3c144aa inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Hide the item. <br /></td></tr>
<tr class="separator:a1faea017baa2492416a13e6bc3c144aa inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f0eeb2b72207fd8d33a95b0565657a1 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a5f0eeb2b72207fd8d33a95b0565657a1">setVisible</a> (bool)</td></tr>
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<tr class="memitem:a1f9e938bef95ccc7b3e026da277ea8f3 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a1f9e938bef95ccc7b3e026da277ea8f3">isVisible</a> () const</td></tr>
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<tr class="memitem:a6f6c7b34fe86e8029914b3b780b55ea4 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a6f6c7b34fe86e8029914b3b780b55ea4">setAxes</a> (int <a class="el" href="class_qwt_plot_item.html#a27a3f3e5c9983d276b071da508776481">xAxis</a>, int <a class="el" href="class_qwt_plot_item.html#a20418c1371cdb3d807a8088d6768792b">yAxis</a>)</td></tr>
<tr class="separator:a6f6c7b34fe86e8029914b3b780b55ea4 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a81d3dd7feaadda4b0dbb8c13642046cf inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a81d3dd7feaadda4b0dbb8c13642046cf">setXAxis</a> (int axis)</td></tr>
<tr class="separator:a81d3dd7feaadda4b0dbb8c13642046cf inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a27a3f3e5c9983d276b071da508776481 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a27a3f3e5c9983d276b071da508776481"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a27a3f3e5c9983d276b071da508776481">xAxis</a> () const</td></tr>
<tr class="memdesc:a27a3f3e5c9983d276b071da508776481 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Return xAxis. <br /></td></tr>
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<tr class="memitem:aa92dad876d76ce136925d5ae8f01db9a inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#aa92dad876d76ce136925d5ae8f01db9a">setYAxis</a> (int axis)</td></tr>
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<tr class="memitem:a20418c1371cdb3d807a8088d6768792b inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a id="a20418c1371cdb3d807a8088d6768792b"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a20418c1371cdb3d807a8088d6768792b">yAxis</a> () const</td></tr>
<tr class="memdesc:a20418c1371cdb3d807a8088d6768792b inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Return yAxis. <br /></td></tr>
<tr class="separator:a20418c1371cdb3d807a8088d6768792b inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad956fdbce5b0721abccce6d09fe4d5ce inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ad956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a> ()</td></tr>
<tr class="separator:ad956fdbce5b0721abccce6d09fe4d5ce inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3967414c7542e267d0c2793f02be7241 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a3967414c7542e267d0c2793f02be7241">legendChanged</a> ()</td></tr>
<tr class="separator:a3967414c7542e267d0c2793f02be7241 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae576c06e796379f5c1fc8a37b8d84565 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#ae576c06e796379f5c1fc8a37b8d84565">getCanvasMarginHint</a> (const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &xMap, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const</td></tr>
<tr class="memdesc:ae576c06e796379f5c1fc8a37b8d84565 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Calculate a hint for the canvas margin. <a href="class_qwt_plot_item.html#ae576c06e796379f5c1fc8a37b8d84565">More...</a><br /></td></tr>
<tr class="separator:ae576c06e796379f5c1fc8a37b8d84565 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abf6a70847d3db952161ca4d4a952eea0 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#abf6a70847d3db952161ca4d4a952eea0">updateScaleDiv</a> (const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &, const <a class="el" href="class_qwt_scale_div.html">QwtScaleDiv</a> &)</td></tr>
<tr class="memdesc:abf6a70847d3db952161ca4d4a952eea0 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Update the item to changes of the axes scale division. <a href="class_qwt_plot_item.html#abf6a70847d3db952161ca4d4a952eea0">More...</a><br /></td></tr>
<tr class="separator:abf6a70847d3db952161ca4d4a952eea0 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af0c4272375b1ee95a1454c4c503ff324 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#af0c4272375b1ee95a1454c4c503ff324">updateLegend</a> (const <a class="el" href="class_qwt_plot_item.html">QwtPlotItem</a> *, const QList< <a class="el" href="class_qwt_legend_data.html">QwtLegendData</a> > &)</td></tr>
<tr class="memdesc:af0c4272375b1ee95a1454c4c503ff324 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Update the item to changes of the legend info. <a href="class_qwt_plot_item.html#af0c4272375b1ee95a1454c4c503ff324">More...</a><br /></td></tr>
<tr class="separator:af0c4272375b1ee95a1454c4c503ff324 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a43930f6c9bf9338130d2e098834732f4 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">QRectF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a43930f6c9bf9338130d2e098834732f4">scaleRect</a> (const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &) const</td></tr>
<tr class="memdesc:a43930f6c9bf9338130d2e098834732f4 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the bounding scale rectangle of 2 maps. <a href="class_qwt_plot_item.html#a43930f6c9bf9338130d2e098834732f4">More...</a><br /></td></tr>
<tr class="separator:a43930f6c9bf9338130d2e098834732f4 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a08deefbedf8742f4877841b2dfd85822 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">QRectF </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">paintRect</a> (const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &) const</td></tr>
<tr class="memdesc:a08deefbedf8742f4877841b2dfd85822 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Calculate the bounding paint rectangle of 2 maps. <a href="class_qwt_plot_item.html#a08deefbedf8742f4877841b2dfd85822">More...</a><br /></td></tr>
<tr class="separator:a08deefbedf8742f4877841b2dfd85822 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a367ed5160b8475daf6b5b06558310f98 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual QList< <a class="el" href="class_qwt_legend_data.html">QwtLegendData</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a367ed5160b8475daf6b5b06558310f98">legendData</a> () const</td></tr>
<tr class="memdesc:a367ed5160b8475daf6b5b06558310f98 inherit pub_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Return all information, that is needed to represent the item on the legend. <a href="class_qwt_plot_item.html#a367ed5160b8475daf6b5b06558310f98">More...</a><br /></td></tr>
<tr class="separator:a367ed5160b8475daf6b5b06558310f98 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1a0d7f4328741d7396f1959e44e63412 inherit pub_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_graphic.html">QwtGraphic</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a1a0d7f4328741d7396f1959e44e63412">legendIcon</a> (int index, const QSizeF &) const</td></tr>
<tr class="separator:a1a0d7f4328741d7396f1959e44e63412 inherit pub_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a1738b36c0e6e4073f3ad6629e7923f74"><td class="memItemLeft" align="right" valign="top">virtual QImage </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74">renderImage</a> (const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &xMap, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &yMap, const QRectF &area, const QSize &imageSize) const =0</td></tr>
<tr class="memdesc:a1738b36c0e6e4073f3ad6629e7923f74"><td class="mdescLeft"> </td><td class="mdescRight">Render an image. <a href="#a1738b36c0e6e4073f3ad6629e7923f74">More...</a><br /></td></tr>
<tr class="separator:a1738b36c0e6e4073f3ad6629e7923f74"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad64bb562d81ec0ccc7b4cfbf6bb9a133"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_raster_item.html#ad64bb562d81ec0ccc7b4cfbf6bb9a133">imageMap</a> (Qt::Orientation, const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> &map, const QRectF &area, const QSize &imageSize, double pixelSize) const</td></tr>
<tr class="memdesc:ad64bb562d81ec0ccc7b4cfbf6bb9a133"><td class="mdescLeft"> </td><td class="mdescRight">Calculate a scale map for painting to an image. <a href="#ad64bb562d81ec0ccc7b4cfbf6bb9a133">More...</a><br /></td></tr>
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<tr class="inherit_header pro_methods_class_qwt_plot_item"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_class_qwt_plot_item')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="class_qwt_plot_item.html">QwtPlotItem</a></td></tr>
<tr class="memitem:a9a86df9a56ed5fea2cee81026e45f375 inherit pro_methods_class_qwt_plot_item"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_graphic.html">QwtGraphic</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_plot_item.html#a9a86df9a56ed5fea2cee81026e45f375">defaultIcon</a> (const QBrush &, const QSizeF &) const</td></tr>
<tr class="memdesc:a9a86df9a56ed5fea2cee81026e45f375 inherit pro_methods_class_qwt_plot_item"><td class="mdescLeft"> </td><td class="mdescRight">Return a default icon from a brush. <a href="class_qwt_plot_item.html#a9a86df9a56ed5fea2cee81026e45f375">More...</a><br /></td></tr>
<tr class="separator:a9a86df9a56ed5fea2cee81026e45f375 inherit pro_methods_class_qwt_plot_item"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A class, which displays raster data. </p>
<p>Raster data is a grid of pixel values, that can be represented as a QImage. It is used for many types of information like spectrograms, cartograms, geographical maps ...</p>
<p>Often a plot has several types of raster data organized in layers. ( f.e a geographical map, with weather statistics ). Using <a class="el" href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273" title="Set an alpha value for the raster data. ">setAlpha()</a> raster items can be stacked easily.</p>
<p><a class="el" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data. ">QwtPlotRasterItem</a> is only implemented for images of the following formats: QImage::Format_Indexed8, QImage::Format_ARGB32.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_spectrogram.html" title="A plot item, which displays a spectrogram. ">QwtPlotSpectrogram</a> </dd></dl>
</div><h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a94929fc4c31c3dab75ee5adcac2d57b0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a94929fc4c31c3dab75ee5adcac2d57b0">◆ </a></span>CachePolicy</h2>
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<td class="memname">enum <a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a></td>
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<p>Cache policy The default policy is NoCache. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a94929fc4c31c3dab75ee5adcac2d57b0a758ccf247c4ae50d4ffd090ef3a6058e"></a>NoCache </td><td class="fielddoc"><p><a class="el" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74" title="Render an image. ">renderImage()</a> is called each time the item has to be repainted </p>
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<tr><td class="fieldname"><a id="a94929fc4c31c3dab75ee5adcac2d57b0a3bfb74bebbfe1ccabe1d6654fee7c56d"></a>PaintCache </td><td class="fielddoc"><p><a class="el" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74" title="Render an image. ">renderImage()</a> is called, whenever the image cache is not valid, or the scales, or the size of the canvas has changed.</p>
<p>This type of cache is useful for improving the performance of hide/show operations or manipulations of the alpha value. All other situations are handled by the canvas backing store. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a75ac68ea258b8612e8a1893e845394ee">◆ </a></span>PaintAttribute</h2>
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<td class="memname">enum <a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">QwtPlotRasterItem::PaintAttribute</a></td>
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<p>Attributes to modify the drawing algorithm. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a70d6b94821e5eafb29b1f045d1f3a2e6">setPaintAttribute()</a>, <a class="el" href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c">testPaintAttribute()</a> </dd></dl>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d"></a>PaintInDeviceResolution </td><td class="fielddoc"><p>When the image is rendered according to the data pixels ( <a class="el" href="class_qwt_raster_data.html#a0557ff0444301b1c6dd9277d857d7ee7" title="Pixel hint. ">QwtRasterData::pixelHint()</a> ) it can be expanded to paint device resolution before it is passed to QPainter. The expansion algorithm rounds the pixel borders in the same way as the axis ticks, what is usually better than the scaling algorithm implemented in Qt. Disabling this flag might make sense, to reduce the size of a document/file. If this is possible for a document format depends on the implementation of the specific QPaintEngine. </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a6a8ee7f74861bf13335044810174bd3c">◆ </a></span>alpha()</h2>
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<td class="memname">int QwtPlotRasterItem::alpha </td>
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<dl class="section return"><dt>Returns</dt><dd>Alpha value of the raster item </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273" title="Set an alpha value for the raster data. ">setAlpha()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a90086b343d7574af73b107940560a205">◆ </a></span>boundingRect()</h2>
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<td class="memname">QRectF QwtPlotRasterItem::boundingRect </td>
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<dl class="section return"><dt>Returns</dt><dd>Bounding rectangle of the data </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#ae89258a78b262ccaad43c4a2d5f7b5b4">QwtPlotRasterItem::interval()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_qwt_plot_item.html#aebc6a6627f293f62e1d07006b11912cc">QwtPlotItem</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aec74de65bf6b566afd52db6dc4c67c46">◆ </a></span>cachePolicy()</h2>
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<td class="memname"><a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a> QwtPlotRasterItem::cachePolicy </td>
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<dl class="section return"><dt>Returns</dt><dd>Cache policy </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0" title="Cache policy The default policy is NoCache. ">CachePolicy</a>, <a class="el" href="class_qwt_plot_raster_item.html#a31f74199f7e333c2683b0f18289e4c7f">setCachePolicy()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad1b901baadc6a694929ee39a5a2acbbb">◆ </a></span>draw()</h2>
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<td class="memname">void QwtPlotRasterItem::draw </td>
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<td class="paramtype">QPainter * </td>
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<td class="paramtype">const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> & </td>
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<td class="paramtype">const <a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> & </td>
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<td class="paramtype">const QRectF & </td>
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<p>Draw the raster data. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">painter</td><td>Painter </td></tr>
<tr><td class="paramname">xMap</td><td>X-Scale Map </td></tr>
<tr><td class="paramname">yMap</td><td>Y-Scale Map </td></tr>
<tr><td class="paramname">canvasRect</td><td>Contents rectangle of the plot canvas </td></tr>
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<p>Implements <a class="el" href="class_qwt_plot_item.html#a0b0d6589d5db81ce72e6b33c4fbb21f9">QwtPlotItem</a>.</p>
<p>Reimplemented in <a class="el" href="class_qwt_plot_spectrogram.html#a8b723a9f40c919b21094fb85ebf50309">QwtPlotSpectrogram</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad64bb562d81ec0ccc7b4cfbf6bb9a133">◆ </a></span>imageMap()</h2>
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<td class="memname"><a class="el" href="class_qwt_scale_map.html">QwtScaleMap</a> QwtPlotRasterItem::imageMap </td>
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<td class="paramname"><em>orientation</em>, </td>
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<p>Calculate a scale map for painting to an image. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">orientation</td><td>Orientation, Qt::Horizontal means a X axis </td></tr>
<tr><td class="paramname">map</td><td>Scale map for rendering the plot item </td></tr>
<tr><td class="paramname">area</td><td>Area to be painted on the image </td></tr>
<tr><td class="paramname">imageSize</td><td>Image size </td></tr>
<tr><td class="paramname">pixelSize</td><td>Width/Height of a data pixel</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Calculated scale map </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ae89258a78b262ccaad43c4a2d5f7b5b4">◆ </a></span>interval()</h2>
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<td class="memname"><a class="el" href="class_qwt_interval.html">QwtInterval</a> QwtPlotRasterItem::interval </td>
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<dl class="section return"><dt>Returns</dt><dd>Bounding interval for an axis</dd></dl>
<p>This method is intended to be reimplemented by derived classes. The default implementation returns an invalid interval.</p>
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<p>Reimplemented in <a class="el" href="class_qwt_plot_spectrogram.html#a847f033603fd3f0ac6093525ed30ddb6">QwtPlotSpectrogram</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a547ce4d8d031b230226cfbd509ef65b5">◆ </a></span>invalidateCache()</h2>
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<td class="memname">void QwtPlotRasterItem::invalidateCache </td>
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<p>Invalidate the paint cache </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a31f74199f7e333c2683b0f18289e4c7f">setCachePolicy()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a879bb4bc04be084022e9cc5abab748f3">◆ </a></span>pixelHint()</h2>
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<p>Pixel hint. </p>
<p>The geometry of a pixel is used to calculated the resolution and alignment of the rendered image.</p>
<p>Width and height of the hint need to be the horizontal and vertical distances between 2 neighbored points. The center of the hint has to be the position of any point ( it doesn't matter which one ).</p>
<p>Limiting the resolution of the image might significantly improve the performance and heavily reduce the amount of memory when rendering a QImage from the raster data.</p>
<p>The default implementation returns an empty rectangle (QRectF()), meaning, that the image will be rendered in target device ( f.e screen ) resolution.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>Bounding rectangle of a pixel</dd></dl>
<dl class="section see"><dt>See also</dt><dd>render(), <a class="el" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74" title="Render an image. ">renderImage()</a> </dd></dl>
<p>Reimplemented in <a class="el" href="class_qwt_plot_spectrogram.html#ac95f3ce818d6d0964dd78177b802a254">QwtPlotSpectrogram</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1738b36c0e6e4073f3ad6629e7923f74">◆ </a></span>renderImage()</h2>
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<td class="memname">virtual QImage QwtPlotRasterItem::renderImage </td>
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<p>Render an image. </p>
<p>An implementation of render() might iterate over all pixels of imageRect. Each pixel has to be translated into the corresponding position in scale coordinates using the maps. This position can be used to look up a value in a implementation specific way and to map it into a color.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">xMap</td><td>X-Scale Map </td></tr>
<tr><td class="paramname">yMap</td><td>Y-Scale Map </td></tr>
<tr><td class="paramname">area</td><td>Requested area for the image in scale coordinates </td></tr>
<tr><td class="paramname">imageSize</td><td>Requested size of the image</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Rendered image </dd></dl>
<p>Implemented in <a class="el" href="class_qwt_plot_spectrogram.html#ac247b61912af0a2830c3a5c221ac548b">QwtPlotSpectrogram</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a14f2ab8ec0994384e6269f869c352273">◆ </a></span>setAlpha()</h2>
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<td class="memname">void QwtPlotRasterItem::setAlpha </td>
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<p>Set an alpha value for the raster data. </p>
<p>Often a plot has several types of raster data organized in layers. ( f.e a geographical map, with weather statistics ). Using <a class="el" href="class_qwt_plot_raster_item.html#a14f2ab8ec0994384e6269f869c352273" title="Set an alpha value for the raster data. ">setAlpha()</a> raster items can be stacked easily.</p>
<p>The alpha value is a value [0, 255] to control the transparency of the image. 0 represents a fully transparent color, while 255 represents a fully opaque color.</p>
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<tr><td class="paramname">alpha</td><td>Alpha value</td></tr>
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<li>alpha >= 0<br />
All alpha values of the pixels returned by <a class="el" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74" title="Render an image. ">renderImage()</a> will be set to alpha, beside those with an alpha value of 0 (invalid pixels).</li>
<li>alpha < 0 The alpha values returned by <a class="el" href="class_qwt_plot_raster_item.html#a1738b36c0e6e4073f3ad6629e7923f74" title="Render an image. ">renderImage()</a> are not changed.</li>
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<p>The default alpha value is -1.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a6a8ee7f74861bf13335044810174bd3c">alpha()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a31f74199f7e333c2683b0f18289e4c7f">◆ </a></span>setCachePolicy()</h2>
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<td class="memname">void QwtPlotRasterItem::setCachePolicy </td>
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<td class="paramtype"><a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">QwtPlotRasterItem::CachePolicy</a> </td>
<td class="paramname"><em>policy</em></td><td>)</td>
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<p>Change the cache policy</p>
<p>The default policy is NoCache</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">policy</td><td>Cache policy </td></tr>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0" title="Cache policy The default policy is NoCache. ">CachePolicy</a>, <a class="el" href="class_qwt_plot_raster_item.html#aec74de65bf6b566afd52db6dc4c67c46">cachePolicy()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a70d6b94821e5eafb29b1f045d1f3a2e6">◆ </a></span>setPaintAttribute()</h2>
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<td class="memname">void QwtPlotRasterItem::setPaintAttribute </td>
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<td class="paramtype"><a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> </td>
<td class="paramname"><em>attribute</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>on</em> = <code>true</code> </td>
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<p>Specify an attribute how to draw the raster item</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">attribute</td><td>Paint attribute </td></tr>
<tr><td class="paramname">on</td><td>On/Off /sa PaintAttribute, <a class="el" href="class_qwt_plot_raster_item.html#a0244b24502abe26185b70b7ee6a4905c">testPaintAttribute()</a> </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a0244b24502abe26185b70b7ee6a4905c">◆ </a></span>testPaintAttribute()</h2>
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<td class="memname">bool QwtPlotRasterItem::testPaintAttribute </td>
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<td class="paramtype"><a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> </td>
<td class="paramname"><em>attribute</em></td><td>)</td>
<td> const</td>
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<dl class="section return"><dt>Returns</dt><dd>True, when attribute is enabled </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a>, <a class="el" href="class_qwt_plot_raster_item.html#a70d6b94821e5eafb29b1f045d1f3a2e6">setPaintAttribute()</a> </dd></dl>
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