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<a name="l00200"></a>00200 {<a name="l00201"></a>00201 <a class="code" href="class_qwt_painter.html#1c9f9151299412bcefeee103bc4abe27">fillRect</a>(painter, r & clipRect, painter->brush());<a name="l00202"></a>00202 <a name="l00203"></a>00203 <span class="keywordtype">int</span> pw = painter->pen().width();<a name="l00204"></a>00204 pw = pw % 2 + pw / 2;<a name="l00205"></a>00205 <a name="l00206"></a>00206 QwtPolygon pa(5);<a name="l00207"></a>00207 pa.setPoint(0, r.left(), r.top());<a name="l00208"></a>00208 pa.setPoint(1, r.right() - pw, r.top());<a name="l00209"></a>00209 pa.setPoint(2, r.right() - pw, r.bottom() - pw);<a name="l00210"></a>00210 pa.setPoint(3, r.left(), r.bottom() - pw);<a name="l00211"></a>00211 pa.setPoint(4, r.left(), r.top());<a name="l00212"></a>00212 <a name="l00213"></a>00213 painter->save();<a name="l00214"></a>00214 painter->setBrush(Qt::NoBrush);<a name="l00215"></a>00215 <a class="code" href="class_qwt_painter.html#fec384335c12a3cf84d82cbeb30cd537">drawPolyline</a>(painter, pa);<a name="l00216"></a>00216 painter->restore();<a name="l00217"></a>00217 <a name="l00218"></a>00218 <span class="keywordflow">return</span>;<a name="l00219"></a>00219 }<a name="l00220"></a>00220 }<a name="l00221"></a>00221 <a name="l00222"></a>00222 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00223"></a>00223 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( painter->pen().style() != Qt::NoPen && <a name="l00224"></a>00224 painter->pen().color().isValid() )<a name="l00225"></a>00225 {<a name="l00226"></a>00226 <span class="comment">// Qt4 adds the pen to the rect, Qt3 not.</span><a name="l00227"></a>00227 <span class="keywordtype">int</span> pw = painter->pen().width();<a name="l00228"></a>00228 <span class="keywordflow">if</span> ( pw == 0 )<a name="l00229"></a>00229 pw = 1;<a name="l00230"></a>00230 <a name="l00231"></a>00231 r.setWidth(r.width() - pw);<a name="l00232"></a>00232 r.setHeight(r.height() - pw);<a name="l00233"></a>00233 }<a name="l00234"></a>00234 <span class="preprocessor">#endif</span><a name="l00235"></a>00235 <span class="preprocessor"></span> painter->drawRect(r);<a name="l00236"></a>00236 }<a name="l00237"></a>00237 <a name="l00241"></a><a class="code" href="class_qwt_painter.html#1c9f9151299412bcefeee103bc4abe27">00241</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#1c9f9151299412bcefeee103bc4abe27">QwtPainter::fillRect</a>(QPainter *painter, <a name="l00242"></a>00242 <span class="keyword">const</span> QRect &rect, <span class="keyword">const</span> QBrush &brush)<a name="l00243"></a>00243 {<a name="l00244"></a>00244 <span class="keywordflow">if</span> ( !rect.isValid() )<a name="l00245"></a>00245 <span class="keywordflow">return</span>;<a name="l00246"></a>00246 <a name="l00247"></a>00247 <span class="keyword">const</span> <span class="keywordtype">bool</span> deviceClipping = needDeviceClipping(painter, d_deviceClipping);<a name="l00248"></a>00248 <a name="l00249"></a>00249 QRect clipRect;<a name="l00250"></a>00250 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00251"></a>00251 <span class="preprocessor"></span><a name="l00252"></a>00252 <span class="comment">/*</span><a name="l00253"></a>00253 <span class="comment"> Performance of Qt4 is horrible for non trivial brushs. Without</span><a name="l00254"></a>00254 <span class="comment"> clipping expect minutes or hours for repainting large rects</span><a name="l00255"></a>00255 <span class="comment"> (might result from zooming)</span><a name="l00256"></a>00256 <span class="comment"> */</span><a name="l00257"></a>00257 <a name="l00258"></a>00258 clipRect = painter->window();<a name="l00259"></a>00259 <span class="keywordflow">if</span> ( painter->hasClipping() )<a name="l00260"></a>00260 clipRect &= painter->clipRegion().boundingRect();<a name="l00261"></a>00261 <span class="keywordflow">if</span> ( deviceClipping )<a name="l00262"></a>00262 clipRect &= deviceClipRect();<a name="l00263"></a>00263 <span class="preprocessor">#else</span><a name="l00264"></a>00264 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( deviceClipping )<a name="l00265"></a>00265 clipRect = deviceClipRect();<a name="l00266"></a>00266 <span class="preprocessor">#endif</span><a name="l00267"></a>00267 <span class="preprocessor"></span><a name="l00268"></a>00268 QRect r = d_metricsMap.<a class="code" href="class_qwt_metrics_map.html#180736dad3afe26c2579f6fefcb9f2d9">layoutToDevice</a>(rect, painter);<a name="l00269"></a>00269 <span class="keywordflow">if</span> ( clipRect.isValid() )<a name="l00270"></a>00270 r = r.intersect(clipRect);<a name="l00271"></a>00271 <a name="l00272"></a>00272 <span class="keywordflow">if</span> ( r.isValid() )<a name="l00273"></a>00273 painter->fillRect(r, brush);<a name="l00274"></a>00274 }<a name="l00275"></a>00275 <a name="l00279"></a><a class="code" href="class_qwt_painter.html#d833659e67037f7d16df604d306d4466">00279</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#d833659e67037f7d16df604d306d4466">QwtPainter::drawPie</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect, <a name="l00280"></a>00280 <span class="keywordtype">int</span> a, <span class="keywordtype">int</span> alen)<a name="l00281"></a>00281 {<a name="l00282"></a>00282 QRect r = d_metricsMap.<a class="code" href="class_qwt_metrics_map.html#180736dad3afe26c2579f6fefcb9f2d9">layoutToDevice</a>(rect, painter);<a name="l00283"></a>00283 <a name="l00284"></a>00284 <span class="keyword">const</span> <span class="keywordtype">bool</span> deviceClipping = needDeviceClipping(painter, d_deviceClipping);<a name="l00285"></a>00285 <span class="keywordflow">if</span> ( deviceClipping && !deviceClipRect().contains(rect) )<a name="l00286"></a>00286 <span class="keywordflow">return</span>;<a name="l00287"></a>00287 <a name="l00288"></a>00288 painter->drawPie(r, a, alen);<a name="l00289"></a>00289 }<a name="l00290"></a>00290 <a name="l00294"></a><a class="code" href="class_qwt_painter.html#d04cda859203b745e662d1e2f74adc59">00294</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#d04cda859203b745e662d1e2f74adc59">QwtPainter::drawEllipse</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect)<a name="l00295"></a>00295 {<a name="l00296"></a>00296 QRect r = d_metricsMap.<a class="code" href="class_qwt_metrics_map.html#180736dad3afe26c2579f6fefcb9f2d9">layoutToDevice</a>(rect, painter);<a name="l00297"></a>00297 <a name="l00298"></a>00298 <span class="keyword">const</span> <span class="keywordtype">bool</span> deviceClipping = needDeviceClipping(painter, d_deviceClipping);<a name="l00299"></a>00299 <a name="l00300"></a>00300 <span class="keywordflow">if</span> ( deviceClipping && !deviceClipRect().contains(rect) )<a name="l00301"></a>00301 <span class="keywordflow">return</span>;<a name="l00302"></a>00302 <a name="l00303"></a>00303 <span class="preprocessor">#if QT_VERSION >= 0x040000</span><a name="l00304"></a>00304 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( painter->pen().style() != Qt::NoPen &&<a name="l00305"></a>00305 painter->pen().color().isValid() )<a name="l00306"></a>00306 {<a name="l00307"></a>00307 <span class="comment">// Qt4 adds the pen to the rect, Qt3 not.</span><a name="l00308"></a>00308 <span class="keywordtype">int</span> pw = painter->pen().width();<a name="l00309"></a>00309 <span class="keywordflow">if</span> ( pw == 0 )<a name="l00310"></a>00310 pw = 1;<a name="l00311"></a>00311 <a name="l00312"></a>00312 r.setWidth(r.width() - pw);<a name="l00313"></a>00313 r.setHeight(r.height() - pw);<a name="l00314"></a>00314 }<a name="l00315"></a>00315 <span class="preprocessor">#endif</span><a name="l00316"></a>00316 <span class="preprocessor"></span><a name="l00317"></a>00317 painter->drawEllipse(r);<a name="l00318"></a>00318 }<a name="l00319"></a>00319 <a name="l00323"></a><a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">00323</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">QwtPainter::drawText</a>(QPainter *painter, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <a name="l00324"></a>00324 <span class="keyword">const</span> QString &text)<a name="l00325"></a>00325 {<a name="l00326"></a>00326 <a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">drawText</a>(painter, QPoint(x, y), text);<a name="l00327"></a>00327 }<a name="l00328"></a>00328 <a name="l00332"></a><a class="code" href="class_qwt_painter.html#8cdeb299686bfe785cc6d77cf9bfc4d9">00332</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">QwtPainter::drawText</a>(QPainter *painter, <span class="keyword">const</span> QPoint &pos, <a name="l00333"></a>00333 <span class="keyword">const</span> QString &text)<a name="l00334"></a>00334 {<a name="l00335"></a>00335 <span class="keyword">const</span> QPoint p = d_metricsMap.<a class="code" href="class_qwt_metrics_map.html#180736dad3afe26c2579f6fefcb9f2d9">layoutToDevice</a>(pos, painter);<a name="l00336"></a>00336 <a name="l00337"></a>00337 <span class="keyword">const</span> <span class="keywordtype">bool</span> deviceClipping = needDeviceClipping(painter, d_deviceClipping);<a name="l00338"></a>00338 <a name="l00339"></a>00339 <span class="keywordflow">if</span> ( deviceClipping && !deviceClipRect().contains(p) )<a name="l00340"></a>00340 <span class="keywordflow">return</span>;<a name="l00341"></a>00341 <a name="l00342"></a>00342 painter->drawText(p, text);<a name="l00343"></a>00343 }<a name="l00344"></a>00344 <a name="l00348"></a><a class="code" href="class_qwt_painter.html#842a0096dff9d007bf362da4447d7a40">00348</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">QwtPainter::drawText</a>(QPainter *painter, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y, <span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h, <a name="l00349"></a>00349 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text)<a name="l00350"></a>00350 {<a name="l00351"></a>00351 <a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">drawText</a>(painter, QRect(x, y, w, h), flags, text);<a name="l00352"></a>00352 }<a name="l00353"></a>00353 <a name="l00357"></a><a class="code" href="class_qwt_painter.html#703af7b679a733917192f949d058444c">00357</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#c94535733b20c2325ca60e1551c4d756">QwtPainter::drawText</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect, <a name="l00358"></a>00358 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString &text)<a name="l00359"></a>00359 {<a name="l00360"></a>00360 QRect textRect = d_metricsMap.<a class="code" href="class_qwt_metrics_map.html#180736dad3afe26c2579f6fefcb9f2d9">layoutToDevice</a>(rect, painter);<a name="l00361"></a>00361 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00362"></a>00362 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( d_SVGMode &&<a name="l00363"></a>00363 ( flags == 0 || flags & Qt::AlignVCenter ) <a name="l00364"></a>00364 && painter->device()->devType() & QInternal::Picture )<a name="l00365"></a>00365 {<a name="l00366"></a>00366 <span class="comment">/*</span><a name="l00367"></a>00367 <span class="comment"> Qt3 misalignes texts, when saving a text</span><a name="l00368"></a>00368 <span class="comment"> to a SVG image. </span><a name="l00369"></a>00369 <span class="comment"> */</span><a name="l00370"></a>00370 textRect.setY(textRect.y() - painter->fontMetrics().height() / 4);<a name="l00371"></a>00371 }<a name="l00372"></a>00372 <span class="preprocessor">#endif</span><a name="l00373"></a>00373 <span class="preprocessor"></span> painter->drawText(textRect, flags, text);<a name="l00374"></a>00374 }<a name="l00375"></a>00375 <a name="l00376"></a>00376 <span class="preprocessor">#ifndef QT_NO_RICHTEXT</span>⌨️ 快捷键说明
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