<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>Qwt User's Guide: qwt_plot_rasteritem.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.3 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
<div class="header">
<div class="headertitle">
<h1>qwt_plot_rasteritem.h</h1> </div>
</div>
<div class="contents">
<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_PLOT_RASTERITEM_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PLOT_RASTERITEM_H</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_plot_item.h"</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_interval.h"</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <qglobal.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <qstring.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <qimage.h></span>
<a name="l00019"></a>00019
<a name="l00037"></a><a class="code" href="class_qwt_plot_raster_item.html">00037</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_plot_item.html" title="Base class for items on the plot canvas.">QwtPlotItem</a>
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">public</span>:
<a name="l00052"></a><a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">00052</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a>
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 NoCache,
<a name="l00055"></a>00055 PaintCache
<a name="l00056"></a>00056 };
<a name="l00057"></a>00057
<a name="l00062"></a><a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">00062</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a>
<a name="l00063"></a>00063 {
<a name="l00076"></a><a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394eea77b139d4d7327465408fe06ec98dbc0d">00076</a> PaintInDeviceResolution = 1
<a name="l00077"></a>00077 };
<a name="l00078"></a>00078
<a name="l00080"></a><a class="code" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a">00080</a> <span class="keyword">typedef</span> QFlags<PaintAttribute> <a class="code" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a" title="Paint attributes.">PaintAttributes</a>;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a>( <span class="keyword">const</span> QString& title = QString::null );
<a name="l00083"></a>00083 <span class="keyword">explicit</span> <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_text.html" title="A class representing a text.">QwtText</a>& title );
<a name="l00084"></a>00084 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a>();
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordtype">void</span> setPaintAttribute( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a>, <span class="keywordtype">bool</span> on = <span class="keyword">true</span> );
<a name="l00087"></a>00087 <span class="keywordtype">bool</span> testPaintAttribute( <a class="code" href="class_qwt_plot_raster_item.html#a75ac68ea258b8612e8a1893e845394ee">PaintAttribute</a> ) <span class="keyword">const</span>;
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keywordtype">void</span> setAlpha( <span class="keywordtype">int</span> alpha );
<a name="l00090"></a>00090 <span class="keywordtype">int</span> alpha() <span class="keyword">const</span>;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordtype">void</span> setCachePolicy( <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a> );
<a name="l00093"></a>00093 <a class="code" href="class_qwt_plot_raster_item.html#a94929fc4c31c3dab75ee5adcac2d57b0">CachePolicy</a> cachePolicy() <span class="keyword">const</span>;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordtype">void</span> invalidateCache();
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_item.html#a0b0d6589d5db81ce72e6b33c4fbb21f9" title="Draw the item.">draw</a>( QPainter *p,
<a name="l00098"></a>00098 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &xMap, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &yMap,
<a name="l00099"></a>00099 <span class="keyword">const</span> QRectF &rect ) <span class="keyword">const</span>;
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">virtual</span> QRectF pixelHint( <span class="keyword">const</span> QRectF & ) <span class="keyword">const</span>;
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">virtual</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> interval(Qt::Axis) <span class="keyword">const</span>;
<a name="l00104"></a>00104 <span class="keyword">virtual</span> QRectF <a class="code" href="class_qwt_plot_item.html#aec3c408e14af30b82b52c1197310eb21">boundingRect</a>() <span class="keyword">const</span>;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keyword">protected</span>:
<a name="l00121"></a>00121 <span class="keyword">virtual</span> QImage renderImage( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &xMap,
<a name="l00122"></a>00122 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &yMap, <span class="keyword">const</span> QRectF &area,
<a name="l00123"></a>00123 <span class="keyword">const</span> QSize &imageSize ) <span class="keyword">const</span> = 0;
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> imageMap( Qt::Orientation,
<a name="l00126"></a>00126 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &map, <span class="keyword">const</span> QRectF &area,
<a name="l00127"></a>00127 <span class="keyword">const</span> QSize &imageSize, <span class="keywordtype">double</span> pixelSize) <span class="keyword">const</span>;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keyword">private</span>:
<a name="l00130"></a>00130 <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a> & );
<a name="l00131"></a>00131 <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a> &operator=( <span class="keyword">const</span> <a class="code" href="class_qwt_plot_raster_item.html" title="A class, which displays raster data.">QwtPlotRasterItem</a> & );
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keywordtype">void</span> init();
<a name="l00134"></a>00134
<a name="l00135"></a>00135 QImage compose( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &,
<a name="l00136"></a>00136 <span class="keyword">const</span> QRectF &imageArea, <span class="keyword">const</span> QRectF &paintRect,
<a name="l00137"></a>00137 <span class="keyword">const</span> QSize &imageSize, <span class="keywordtype">bool</span> doCache) <span class="keyword">const</span>;
<a name="l00138"></a>00138
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keyword">class </span>PrivateData;
<a name="l00141"></a>00141 PrivateData *d_data;
<a name="l00142"></a>00142 };
<a name="l00143"></a>00143
<a name="l00144"></a>00144 Q_DECLARE_OPERATORS_FOR_FLAGS( <a class="code" href="class_qwt_plot_raster_item.html#a6bde441d571c4943da01765dec2d4b4a" title="Paint attributes.">QwtPlotRasterItem::PaintAttributes</a> )
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="preprocessor">#endif</span>
</pre></div></div>
</div>
<hr class="footer"/><address class="footer"><small>Generated by 
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address>
</body>
</html>
