📄 qwt__dial__needle_8cpp-source.html
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<a name="l00182"></a>00182 painter->setBrush(palette.brush(colorGroup, QwtPalette::Mid));<a name="l00183"></a>00183 painter->drawPolygon(pa);<a name="l00184"></a>00184 }<a name="l00185"></a>00185 <span class="keywordflow">if</span> ( hasKnob )<a name="l00186"></a>00186 {<a name="l00187"></a>00187 <span class="keywordtype">int</span> knobWidth = qwtMax(qRound(width * 0.7), 5);<a name="l00188"></a>00188 <span class="keywordflow">if</span> ( knobWidth % 2 == 0 )<a name="l00189"></a>00189 knobWidth++;<a name="l00190"></a>00190 <a name="l00191"></a>00191 <a class="code" href="class_qwt_dial_needle.html#5ff7738a4ce55551b0949a55b145662f">drawKnob</a>(painter, center, knobWidth, <a name="l00192"></a>00192 palette.brush(colorGroup, QwtPalette::Base), <a name="l00193"></a>00193 <span class="keyword">false</span>);<a name="l00194"></a>00194 }<a name="l00195"></a>00195 <a name="l00196"></a>00196 painter->restore();<a name="l00197"></a>00197 }<a name="l00198"></a>00198 <a name="l00202"></a><a class="code" href="class_qwt_dial_simple_needle.html#d3e9c22e350ccd7aa644297cae7f1d4d">00202</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_dial_simple_needle.html#d3e9c22e350ccd7aa644297cae7f1d4d">QwtDialSimpleNeedle::drawArrowNeedle</a>(QPainter *painter, <a name="l00203"></a>00203 <span class="keyword">const</span> QPalette &palette, QPalette::ColorGroup colorGroup,<a name="l00204"></a>00204 <span class="keyword">const</span> QPoint &center, <span class="keywordtype">int</span> length, <span class="keywordtype">int</span> width,<a name="l00205"></a>00205 <span class="keywordtype">double</span> direction, <span class="keywordtype">bool</span> hasKnob)<a name="l00206"></a>00206 {<a name="l00207"></a>00207 direction *= M_PI / 180.0;<a name="l00208"></a>00208 <a name="l00209"></a>00209 painter->save();<a name="l00210"></a>00210 <a name="l00211"></a>00211 <span class="keywordflow">if</span> ( width <= 0 )<a name="l00212"></a>00212 {<a name="l00213"></a>00213 width = (int)qwtMax(length * 0.06, 9.0);<a name="l00214"></a>00214 <span class="keywordflow">if</span> ( width % 2 == 0 )<a name="l00215"></a>00215 width++;<a name="l00216"></a>00216 }<a name="l00217"></a>00217 <a name="l00218"></a>00218 <span class="keyword">const</span> <span class="keywordtype">int</span> peak = 3;<a name="l00219"></a>00219 <span class="keyword">const</span> QPoint p1(center.x() + 1, center.y() + 1);<a name="l00220"></a>00220 <span class="keyword">const</span> QPoint p2 = qwtPolar2Pos(p1, length - peak, direction);<a name="l00221"></a>00221 <span class="keyword">const</span> QPoint p3 = qwtPolar2Pos(p1, length, direction);<a name="l00222"></a>00222 <a name="l00223"></a>00223 QwtPolygon pa(5);<a name="l00224"></a>00224 pa.setPoint(0, qwtPolar2Pos(p1, width / 2, direction - M_PI_2));<a name="l00225"></a>00225 pa.setPoint(1, qwtPolar2Pos(p2, 1, direction - M_PI_2));<a name="l00226"></a>00226 pa.setPoint(2, p3);<a name="l00227"></a>00227 pa.setPoint(3, qwtPolar2Pos(p2, 1, direction + M_PI_2));<a name="l00228"></a>00228 pa.setPoint(4, qwtPolar2Pos(p1, width / 2, direction + M_PI_2));<a name="l00229"></a>00229 <a name="l00230"></a>00230 painter->setPen(Qt::NoPen);<a name="l00231"></a>00231 painter->setBrush(palette.brush(colorGroup, QwtPalette::Mid));<a name="l00232"></a>00232 painter->drawPolygon(pa);<a name="l00233"></a>00233 <a name="l00234"></a>00234 QwtPolygon shadowPa(3);<a name="l00235"></a>00235 <a name="l00236"></a>00236 <span class="keyword">const</span> <span class="keywordtype">int</span> colorOffset = 10;<a name="l00237"></a>00237 <a name="l00238"></a>00238 <span class="keywordtype">int</span> i;<a name="l00239"></a>00239 <span class="keywordflow">for</span> ( i = 0; i < 3; i++ )<a name="l00240"></a>00240 shadowPa.setPoint(i, pa[i]);<a name="l00241"></a>00241 <a name="l00242"></a>00242 <span class="keyword">const</span> QColor midColor = palette.color(colorGroup, QwtPalette::Mid);<a name="l00243"></a>00243 <a name="l00244"></a>00244 painter->setPen(midColor.dark(100 + colorOffset));<a name="l00245"></a>00245 painter->drawPolyline(shadowPa);<a name="l00246"></a>00246 <a name="l00247"></a>00247 <span class="keywordflow">for</span> ( i = 0; i < 3; i++ )<a name="l00248"></a>00248 shadowPa.setPoint(i, pa[i + 2]);<a name="l00249"></a>00249 <a name="l00250"></a>00250 painter->setPen(midColor.dark(100 - colorOffset));<a name="l00251"></a>00251 painter->drawPolyline(shadowPa);<a name="l00252"></a>00252 <a name="l00253"></a>00253 <span class="keywordflow">if</span> ( hasKnob )<a name="l00254"></a>00254 {<a name="l00255"></a>00255 <a class="code" href="class_qwt_dial_needle.html#5ff7738a4ce55551b0949a55b145662f">drawKnob</a>(painter, center, qRound(width * 1.3), <a name="l00256"></a>00256 palette.brush(colorGroup, QwtPalette::Base),<a name="l00257"></a>00257 <span class="keyword">false</span>);<a name="l00258"></a>00258 }<a name="l00259"></a>00259 <a name="l00260"></a>00260 painter->restore();<a name="l00261"></a>00261 }<a name="l00262"></a>00262 <a name="l00264"></a>00264 <a name="l00265"></a><a class="code" href="class_qwt_compass_magnet_needle.html#3422e6490d44c527289bafdcceecd741">00265</a> <a class="code" href="class_qwt_compass_magnet_needle.html#3422e6490d44c527289bafdcceecd741">QwtCompassMagnetNeedle::QwtCompassMagnetNeedle</a>(<a class="code" href="class_qwt_compass_magnet_needle.html#ee1d882c6ec8b680b94b59b5710a92a5">Style</a> style,<a name="l00266"></a>00266 <span class="keyword">const</span> QColor &light, <span class="keyword">const</span> QColor &dark):<a name="l00267"></a>00267 d_style(style)<a name="l00268"></a>00268 { <a name="l00269"></a>00269 QPalette <a class="code" href="class_qwt_dial_needle.html#8b3c915032389261e07cc983b433166c">palette</a>;<a name="l00270"></a>00270 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < QPalette::NColorGroups; i++ )<a name="l00271"></a>00271 {<a name="l00272"></a>00272 palette.setColor((QPalette::ColorGroup)i,<a name="l00273"></a>00273 QwtPalette::Light, light);<a name="l00274"></a>00274 palette.setColor((QPalette::ColorGroup)i,<a name="l00275"></a>00275 QwtPalette::Dark, dark);<a name="l00276"></a>00276 palette.setColor((QPalette::ColorGroup)i,<a name="l00277"></a>00277 QwtPalette::Base, Qt::darkGray);<a name="l00278"></a>00278 }<a name="l00279"></a>00279 <a name="l00280"></a>00280 setPalette(palette); <a name="l00281"></a>00281 }<a name="l00282"></a>00282 <a name="l00292"></a><a class="code" href="class_qwt_compass_magnet_needle.html#5f70372a381eb8953728def1a5cb8bc2">00292</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_compass_magnet_needle.html#5f70372a381eb8953728def1a5cb8bc2">QwtCompassMagnetNeedle::draw</a>(QPainter *painter, <span class="keyword">const</span> QPoint &center,<a name="l00293"></a>00293 <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction, QPalette::ColorGroup colorGroup)<span class="keyword"> const</span><a name="l00294"></a>00294 <span class="keyword"></span>{<a name="l00295"></a>00295 <span class="keywordflow">if</span> ( d_style == ThinStyle )<a name="l00296"></a>00296 {<a name="l00297"></a>00297 <a class="code" href="class_qwt_compass_magnet_needle.html#786b21adb5d427b35be554eeafcce06c">drawThinNeedle</a>(painter, <a class="code" href="class_qwt_dial_needle.html#8b3c915032389261e07cc983b433166c">palette</a>(), colorGroup, <a name="l00298"></a>00298 center, length, direction); <a name="l00299"></a>00299 }<a name="l00300"></a>00300 <span class="keywordflow">else</span><a name="l00301"></a>00301 {<a name="l00302"></a>00302 <a class="code" href="class_qwt_compass_magnet_needle.html#e26a1879af72e9b553b2a6c85afe0ca1">drawTriangleNeedle</a>(painter, <a class="code" href="class_qwt_dial_needle.html#8b3c915032389261e07cc983b433166c">palette</a>(), colorGroup,<a name="l00303"></a>00303 center, length, direction);<a name="l00304"></a>00304 }<a name="l00305"></a>00305 }<a name="l00306"></a>00306 <a name="l00317"></a><a class="code" href="class_qwt_compass_magnet_needle.html#e26a1879af72e9b553b2a6c85afe0ca1">00317</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_compass_magnet_needle.html#e26a1879af72e9b553b2a6c85afe0ca1">QwtCompassMagnetNeedle::drawTriangleNeedle</a>(QPainter *painter, <a name="l00318"></a>00318 <span class="keyword">const</span> QPalette &palette, QPalette::ColorGroup colorGroup,<a name="l00319"></a>00319 <span class="keyword">const</span> QPoint &center, <span class="keywordtype">int</span> length, <span class="keywordtype">double</span> direction) <a name="l00320"></a>00320 {<a name="l00321"></a>00321 <span class="keyword">const</span> QBrush darkBrush = palette.brush(colorGroup, QwtPalette::Dark);<a name="l00322"></a>00322 <span class="keyword">const</span> QBrush lightBrush = palette.brush(colorGroup, QwtPalette::Light);<a name="l00323"></a>00323 <a name="l00324"></a>00324 QBrush brush;<a name="l00325"></a>00325 <a name="l00326"></a>00326 <span class="keyword">const</span> <span class="keywordtype">int</span> width = qRound(length / 3.0);<a name="l00327"></a>00327 <span class="keyword">const</span> <span class="keywordtype">int</span> colorOffset = 10;<a name="l00328"></a>00328 <a name="l00329"></a>00329 painter->save();<a name="l00330"></a>00330 painter->setPen(Qt::NoPen);<a name="l00331"></a>00331 <a name="l00332"></a>00332 <span class="keyword">const</span> QPoint arrowCenter(center.x() + 1, center.y() + 1);<a name="l00333"></a>00333 <a name="l00334"></a>00334 QwtPolygon pa(3);<a name="l00335"></a>00335 pa.setPoint(0, arrowCenter);<a name="l00336"></a>00336 pa.setPoint(1, qwtDegree2Pos(arrowCenter, length, direction));<a name="l00337"></a>00337 <a name="l00338"></a>00338 pa.setPoint(2, qwtDegree2Pos(arrowCenter, width / 2, direction + 90.0));<a name="l00339"></a>00339 <a name="l00340"></a>00340 brush = darkBrush;<a name="l00341"></a>00341 brush.setColor(brush.color().dark(100 + colorOffset));<a name="l00342"></a>00342 painter->setBrush(brush);<a name="l00343"></a>00343 painter->drawPolygon(pa);<a name="l00344"></a>00344 <a name="l00345"></a>00345 pa.setPoint(2, qwtDegree2Pos(arrowCenter, width / 2, direction - 90.0));<a name="l00346"></a>00346 <a name="l00347"></a>00347 brush = darkBrush;<a name="l00348"></a>00348 brush.setColor(brush.color().dark(100 - colorOffset));<a name="l00349"></a>00349 painter->setBrush(brush);<a name="l00350"></a>00350 painter->drawPolygon(pa);<a name="l00351"></a>00351 <a name="l00352"></a>00352 <span class="comment">// --</span><a name="l00353"></a>00353 <a name="l00354"></a>00354 pa.setPoint(1, qwtDegree2Pos(arrowCenter, length, direction + 180.0));<a name="l00355"></a>00355 <a name="l00356"></a>00356 pa.setPoint(2, qwtDegree2Pos(arrowCenter, width / 2, direction + 90.0));<a name="l00357"></a>00357 <a name="l00358"></a>00358 brush = lightBrush;<a name="l00359"></a>00359 brush.setColor(brush.color().dark(100 + colorOffset));<a name="l00360"></a>00360 painter->setBrush(brush);<a name="l00361"></a>00361 painter->drawPolygon(pa);<a name="l00362"></a>00362 <a name="l00363"></a>00363 pa.setPoint(2, qwtDegree2Pos(arrowCenter, width / 2, direction - 90.0));<a name="l00364"></a>00364 <a name="l00365"></a>00365 brush = lightBrush;<a name="l00366"></a>00366 brush.setColor(brush.color().dark(100 - colorOffset));<a name="l00367"></a>00367 painter->setBrush(brush);<a name="l00368"></a>00368 painter->drawPolygon(pa);<a name="l00369"></a>00369 ⌨️ 快捷键说明
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