qwt__plot__curve_8cpp-source.html

QWT5.01用于Qt开发的二维图形库程序

<a name="l00131"></a>00131     <span class="keywordtype">int</span> attributes;
<a name="l00132"></a>00132     <span class="keywordtype">int</span> paintAttributes;
<a name="l00133"></a>00133 };
<a name="l00134"></a>00134 
<a name="l00138"></a><a class="code" href="class_qwt_plot_curve.html#798339b953deb10e3dddb0f8b56427c0">00138</a> <a class="code" href="class_qwt_plot_curve.html#798339b953deb10e3dddb0f8b56427c0">QwtPlotCurve::QwtPlotCurve</a>():
<a name="l00139"></a>00139     <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a>(<a class="code" href="class_qwt_text.html">QwtText</a>())
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141     <a class="code" href="class_qwt_plot_curve.html#7afecd61327d56ddc76687d119e92b5d">init</a>();
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 
<a name="l00148"></a><a class="code" href="class_qwt_plot_curve.html#3bcaa88363509f4bc1ad92bee498f203">00148</a> <a class="code" href="class_qwt_plot_curve.html#798339b953deb10e3dddb0f8b56427c0">QwtPlotCurve::QwtPlotCurve</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &amp;title):
<a name="l00149"></a>00149     <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a>(title)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151     <a class="code" href="class_qwt_plot_curve.html#7afecd61327d56ddc76687d119e92b5d">init</a>();
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 
<a name="l00158"></a><a class="code" href="class_qwt_plot_curve.html#0abb61c8a31fad952bfe45a1f325209f">00158</a> <a class="code" href="class_qwt_plot_curve.html#798339b953deb10e3dddb0f8b56427c0">QwtPlotCurve::QwtPlotCurve</a>(<span class="keyword">const</span> QString &amp;title):
<a name="l00159"></a>00159     <a class="code" href="class_qwt_plot_item.html">QwtPlotItem</a>(<a class="code" href="class_qwt_text.html">QwtText</a>(title))
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161     <a class="code" href="class_qwt_plot_curve.html#7afecd61327d56ddc76687d119e92b5d">init</a>();
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 
<a name="l00165"></a><a class="code" href="class_qwt_plot_curve.html#a05ec6d3883821a8e62330fbeeb85dbd">00165</a> <a class="code" href="class_qwt_plot_curve.html#a05ec6d3883821a8e62330fbeeb85dbd">QwtPlotCurve::~QwtPlotCurve</a>()
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167     <span class="keyword">delete</span> d_xy;
<a name="l00168"></a>00168     <span class="keyword">delete</span> d_data;
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 
<a name="l00174"></a><a class="code" href="class_qwt_plot_curve.html#7afecd61327d56ddc76687d119e92b5d">00174</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#7afecd61327d56ddc76687d119e92b5d">QwtPlotCurve::init</a>()
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176     <a class="code" href="class_qwt_plot_item.html#5a335be8ff488809a2cf7f4b734ad1b6">setItemAttribute</a>(QwtPlotItem::Legend);
<a name="l00177"></a>00177     <a class="code" href="class_qwt_plot_item.html#5a335be8ff488809a2cf7f4b734ad1b6">setItemAttribute</a>(QwtPlotItem::AutoScale);
<a name="l00178"></a>00178 
<a name="l00179"></a>00179     d_data = <span class="keyword">new</span> PrivateData;
<a name="l00180"></a>00180     d_xy = <span class="keyword">new</span> <a class="code" href="class_qwt_polygon_f_data.html">QwtPolygonFData</a>(QwtArray&lt;QwtDoublePoint&gt;());
<a name="l00181"></a>00181 
<a name="l00182"></a>00182     <a class="code" href="class_qwt_plot_item.html#57d90e4146133b59d589c71b3a643e82">setZ</a>(20.0);
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 
<a name="l00185"></a><a class="code" href="class_qwt_plot_curve.html#1cb75062e781f4e0839a6cd2081c3928">00185</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_plot_curve.html#1cb75062e781f4e0839a6cd2081c3928">QwtPlotCurve::rtti</a>()<span class="keyword"> const</span>
<a name="l00186"></a>00186 <span class="keyword"></span>{
<a name="l00187"></a>00187     <span class="keywordflow">return</span> QwtPlotItem::Rtti_PlotCurve;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189 
<a name="l00211"></a><a class="code" href="class_qwt_plot_curve.html#7f9c70366415b5cb068af80be5bf3748">00211</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#7f9c70366415b5cb068af80be5bf3748">QwtPlotCurve::setPaintAttribute</a>(<a class="code" href="class_qwt_plot_curve.html#96db1b854c63bfbc452c943251a11b66">PaintAttribute</a> attribute, <span class="keywordtype">bool</span> on)
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213     <span class="keywordflow">if</span> ( on )
<a name="l00214"></a>00214         d_data-&gt;paintAttributes |= attribute;
<a name="l00215"></a>00215     <span class="keywordflow">else</span>
<a name="l00216"></a>00216         d_data-&gt;paintAttributes &amp;= ~attribute;
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218 
<a name="l00223"></a><a class="code" href="class_qwt_plot_curve.html#d262cf6b8448d3cb693cbceecc6d8481">00223</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_plot_curve.html#d262cf6b8448d3cb693cbceecc6d8481">QwtPlotCurve::testPaintAttribute</a>(<a class="code" href="class_qwt_plot_curve.html#96db1b854c63bfbc452c943251a11b66">PaintAttribute</a> attribute)<span class="keyword"> const</span>
<a name="l00224"></a>00224 <span class="keyword"></span>{
<a name="l00225"></a>00225     <span class="keywordflow">return</span> (d_data-&gt;paintAttributes &amp; attribute);
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 
<a name="l00255"></a><a class="code" href="class_qwt_plot_curve.html#2de41014c2b87fd459d0c438a15dd33e">00255</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#2de41014c2b87fd459d0c438a15dd33e">QwtPlotCurve::setStyle</a>(<a class="code" href="class_qwt_plot_curve.html#15998aa80a11ba6ba80eebabaf773f70">CurveStyle</a> style)
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257     <span class="keywordflow">if</span> ( style != d_data-&gt;style )
<a name="l00258"></a>00258     {
<a name="l00259"></a>00259         d_data-&gt;style = style;
<a name="l00260"></a>00260         <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00261"></a>00261     }
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263 
<a name="l00268"></a><a class="code" href="class_qwt_plot_curve.html#2df43bdea2a17118c9114d6fa774e598">00268</a> <a class="code" href="class_qwt_plot_curve.html#15998aa80a11ba6ba80eebabaf773f70">QwtPlotCurve::CurveStyle</a> <a class="code" href="class_qwt_plot_curve.html#2df43bdea2a17118c9114d6fa774e598">QwtPlotCurve::style</a>()<span class="keyword"> const </span>
<a name="l00269"></a>00269 <span class="keyword"></span>{ 
<a name="l00270"></a>00270     <span class="keywordflow">return</span> d_data-&gt;style; 
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272 
<a name="l00278"></a><a class="code" href="class_qwt_plot_curve.html#f7ce6652d2ba981c19bddd1b6973bf94">00278</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#f7ce6652d2ba981c19bddd1b6973bf94">QwtPlotCurve::setSymbol</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_symbol.html">QwtSymbol</a> &amp;s )
<a name="l00279"></a>00279 {
<a name="l00280"></a>00280     d_data-&gt;sym = s;
<a name="l00281"></a>00281     <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00282"></a>00282 }
<a name="l00283"></a>00283 
<a name="l00288"></a><a class="code" href="class_qwt_plot_curve.html#4278ed4f767e394b6f92ce4e5d25231a">00288</a> <span class="keyword">const</span> <a class="code" href="class_qwt_symbol.html">QwtSymbol</a> &amp;<a class="code" href="class_qwt_plot_curve.html#4278ed4f767e394b6f92ce4e5d25231a">QwtPlotCurve::symbol</a>()<span class="keyword"> const </span>
<a name="l00289"></a>00289 <span class="keyword"></span>{ 
<a name="l00290"></a>00290     <span class="keywordflow">return</span> d_data-&gt;sym; 
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292 
<a name="l00298"></a><a class="code" href="class_qwt_plot_curve.html#08328abaf2c3b67e479d1e485d2d0c4d">00298</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#08328abaf2c3b67e479d1e485d2d0c4d">QwtPlotCurve::setPen</a>(<span class="keyword">const</span> QPen &amp;p)
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300     <span class="keywordflow">if</span> ( p != d_data-&gt;pen )
<a name="l00301"></a>00301     {
<a name="l00302"></a>00302         d_data-&gt;pen = p;
<a name="l00303"></a>00303         <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00304"></a>00304     }
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 
<a name="l00311"></a><a class="code" href="class_qwt_plot_curve.html#778aafd1385ce833821751d0a8635cef">00311</a> <span class="keyword">const</span> QPen&amp; <a class="code" href="class_qwt_plot_curve.html#778aafd1385ce833821751d0a8635cef">QwtPlotCurve::pen</a>()<span class="keyword"> const </span>
<a name="l00312"></a>00312 <span class="keyword"></span>{ 
<a name="l00313"></a>00313     <span class="keywordflow">return</span> d_data-&gt;pen; 
<a name="l00314"></a>00314 }
<a name="l00315"></a>00315 
<a name="l00328"></a><a class="code" href="class_qwt_plot_curve.html#dc52ea882ec1f994e2d2e23c7465b0c2">00328</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#dc52ea882ec1f994e2d2e23c7465b0c2">QwtPlotCurve::setBrush</a>(<span class="keyword">const</span> QBrush &amp;brush)
<a name="l00329"></a>00329 {
<a name="l00330"></a>00330     <span class="keywordflow">if</span> ( brush != d_data-&gt;brush )
<a name="l00331"></a>00331     {
<a name="l00332"></a>00332         d_data-&gt;brush = brush;
<a name="l00333"></a>00333         <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00334"></a>00334     }
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 
<a name="l00341"></a><a class="code" href="class_qwt_plot_curve.html#72b678ebb8e4821c1f85351292ce5697">00341</a> <span class="keyword">const</span> QBrush&amp; <a class="code" href="class_qwt_plot_curve.html#72b678ebb8e4821c1f85351292ce5697">QwtPlotCurve::brush</a>()<span class="keyword"> const </span>
<a name="l00342"></a>00342 <span class="keyword"></span>{
<a name="l00343"></a>00343     <span class="keywordflow">return</span> d_data-&gt;brush;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345 
<a name="l00346"></a>00346 
<a name="l00358"></a><a class="code" href="class_qwt_plot_curve.html#1dc2caaddb1733703b5fcfbe19f29fe8">00358</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#1dc2caaddb1733703b5fcfbe19f29fe8">QwtPlotCurve::setData</a>(<span class="keyword">const</span> <span class="keywordtype">double</span> *xData, <span class="keyword">const</span> <span class="keywordtype">double</span> *yData, <span class="keywordtype">int</span> size)
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360     <span class="keyword">delete</span> d_xy;
<a name="l00361"></a>00361     d_xy = <span class="keyword">new</span> <a class="code" href="class_qwt_array_data.html">QwtArrayData</a>(xData, yData, size);
<a name="l00362"></a>00362     <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00363"></a>00363 }
<a name="l00364"></a>00364 
<a name="l00373"></a><a class="code" href="class_qwt_plot_curve.html#ee3452eaaba4fe13e7452319893c4a86">00373</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#1dc2caaddb1733703b5fcfbe19f29fe8">QwtPlotCurve::setData</a>(<span class="keyword">const</span> QwtArray&lt;double&gt; &amp;xData, 
<a name="l00374"></a>00374     <span class="keyword">const</span> QwtArray&lt;double&gt; &amp;yData)
<a name="l00375"></a>00375 {
<a name="l00376"></a>00376     <span class="keyword">delete</span> d_xy;
<a name="l00377"></a>00377     d_xy = <span class="keyword">new</span> <a class="code" href="class_qwt_array_data.html">QwtArrayData</a>(xData, yData);
<a name="l00378"></a>00378     <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00379"></a>00379 }
<a name="l00380"></a>00380 
<a name="l00387"></a>00387 <span class="preprocessor">#if QT_VERSION &lt; 0x040000</span>
<a name="l00388"></a>00388 <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#1dc2caaddb1733703b5fcfbe19f29fe8">QwtPlotCurve::setData</a>(<span class="keyword">const</span> QwtArray&lt;QwtDoublePoint&gt; &amp;data)
<a name="l00389"></a>00389 <span class="preprocessor">#else</span>
<a name="l00390"></a><a class="code" href="class_qwt_plot_curve.html#fabee31ee9ea2c9b8526e5a8b7739e77">00390</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#1dc2caaddb1733703b5fcfbe19f29fe8">QwtPlotCurve::setData</a>(<span class="keyword">const</span> QPolygonF &amp;data)
<a name="l00391"></a>00391 <span class="preprocessor">#endif</span>
<a name="l00392"></a>00392 <span class="preprocessor"></span>{
<a name="l00393"></a>00393     <span class="keyword">delete</span> d_xy;
<a name="l00394"></a>00394     d_xy = <span class="keyword">new</span> <a class="code" href="class_qwt_polygon_f_data.html">QwtPolygonFData</a>(data);
<a name="l00395"></a>00395     itemChanged();
<a name="l00396"></a>00396 }
<a name="l00397"></a>00397 
<a name="l00404"></a><a class="code" href="class_qwt_plot_curve.html#4e9abd5034a175deef8e88a7f8ad41ca">00404</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_plot_curve.html#1dc2caaddb1733703b5fcfbe19f29fe8">QwtPlotCurve::setData</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_data.html">QwtData</a> &amp;data)
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406     <span class="keyword">delete</span> d_xy;
<a name="l00407"></a>00407     d_xy = <a class="code" href="class_qwt_plot_curve.html#1e30b056439ea629f08e8a5f1055949d">data</a>.<a class="code" href="class_qwt_data.html#8531a1add1f0b2d12809f90f97fd80c9">copy</a>();
<a name="l00408"></a>00408     <a class="code" href="class_qwt_plot_item.html#d956fdbce5b0721abccce6d09fe4d5ce">itemChanged</a>();
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410