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<a name="l00137"></a>00137 ls + <span class="keywordtype">int</span>( <span class="keywordtype">double</span>(ds - ls) * factor ),<a name="l00138"></a>00138 lv + <span class="keywordtype">int</span>( <span class="keywordtype">double</span>(dv - lv) * factor ));<a name="l00139"></a>00139 }<a name="l00140"></a>00140 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00141"></a>00141 <span class="preprocessor"></span> QColor::leaveAllocContext();<a name="l00142"></a>00142 <span class="preprocessor">#endif</span><a name="l00143"></a>00143 <span class="preprocessor"></span> }<a name="l00144"></a>00144 }<a name="l00145"></a>00145 <a name="l00154"></a><a class="code" href="class_qwt_wheel.html#8a970c3b4f776217c284cdce15206530">00154</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_wheel.html#8a970c3b4f776217c284cdce15206530">QwtWheel::setTickCnt</a>(<span class="keywordtype">int</span> cnt)<a name="l00155"></a>00155 {<a name="l00156"></a>00156 d_data->tickCnt = qwtLim( cnt, 6, 50 );<a name="l00157"></a>00157 update();<a name="l00158"></a>00158 }<a name="l00159"></a>00159 <a name="l00160"></a><a class="code" href="class_qwt_wheel.html#02e84c468d3175278a490185ca4a7c2a">00160</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_wheel.html#02e84c468d3175278a490185ca4a7c2a">QwtWheel::tickCnt</a>()<span class="keyword"> const </span><a name="l00161"></a>00161 <span class="keyword"></span>{<a name="l00162"></a>00162 <span class="keywordflow">return</span> d_data->tickCnt;<a name="l00163"></a>00163 }<a name="l00164"></a>00164 <a name="l00168"></a><a class="code" href="class_qwt_wheel.html#55de1496f0eef04da9bc293306a40df6">00168</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_wheel.html#55de1496f0eef04da9bc293306a40df6">QwtWheel::mass</a>()<span class="keyword"> const</span><a name="l00169"></a>00169 <span class="keyword"></span>{<a name="l00170"></a>00170 <span class="keywordflow">return</span> <a class="code" href="class_qwt_abstract_slider.html#130105fc2001c53cea65f21b03f0b5db">QwtAbstractSlider::mass</a>();<a name="l00171"></a>00171 }<a name="l00172"></a>00172 <a name="l00183"></a><a class="code" href="class_qwt_wheel.html#cb9358f6cf27f1552dd7f97ebfd2d3fb">00183</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_wheel.html#cb9358f6cf27f1552dd7f97ebfd2d3fb">QwtWheel::setInternalBorder</a>( <span class="keywordtype">int</span> w )<a name="l00184"></a>00184 {<a name="l00185"></a>00185 <span class="keyword">const</span> <span class="keywordtype">int</span> d = qwtMin( width(), height() ) / 3;<a name="l00186"></a>00186 w = qwtMin( w, d );<a name="l00187"></a>00187 d_data->intBorder = qwtMax( w, 1 );<a name="l00188"></a>00188 <a class="code" href="class_qwt_wheel.html#03a6adc4f6516143501c8114f164d47c">layoutWheel</a>();<a name="l00189"></a>00189 }<a name="l00190"></a>00190 <a name="l00191"></a><a class="code" href="class_qwt_wheel.html#1e87fb6b08098a7b5255ed70dcd62182">00191</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_wheel.html#1e87fb6b08098a7b5255ed70dcd62182">QwtWheel::internalBorder</a>()<span class="keyword"> const </span><a name="l00192"></a>00192 <span class="keyword"></span>{<a name="l00193"></a>00193 <span class="keywordflow">return</span> d_data->intBorder;<a name="l00194"></a>00194 }<a name="l00195"></a>00195 <a name="l00197"></a><a class="code" href="class_qwt_wheel.html#33b95a78f006f36fee8dafea9531afa9">00197</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_wheel.html#33b95a78f006f36fee8dafea9531afa9">QwtWheel::drawWheelBackground</a>( QPainter *p, <span class="keyword">const</span> QRect &r )<a name="l00198"></a>00198 {<a name="l00199"></a>00199 p->save();<a name="l00200"></a>00200 <a name="l00201"></a>00201 <span class="comment">//</span><a name="l00202"></a>00202 <span class="comment">// initialize pens</span><a name="l00203"></a>00203 <span class="comment">//</span><a name="l00204"></a>00204 <span class="preprocessor">#if QT_VERSION < 0x040000</span><a name="l00205"></a>00205 <span class="preprocessor"></span> <span class="keyword">const</span> QColor light = colorGroup().light();<a name="l00206"></a>00206 <span class="keyword">const</span> QColor dark = colorGroup().dark();<a name="l00207"></a>00207 <span class="preprocessor">#else</span><a name="l00208"></a>00208 <span class="preprocessor"></span> <span class="keyword">const</span> QColor light = palette().color(QPalette::Light);<a name="l00209"></a>00209 <span class="keyword">const</span> QColor dark = palette().color(QPalette::Dark);<a name="l00210"></a>00210 <span class="preprocessor">#endif</span><a name="l00211"></a>00211 <span class="preprocessor"></span><a name="l00212"></a>00212 QPen lightPen;<a name="l00213"></a>00213 lightPen.setColor(light);<a name="l00214"></a>00214 lightPen.setWidth(d_data->intBorder);<a name="l00215"></a>00215 <a name="l00216"></a>00216 QPen darkPen;<a name="l00217"></a>00217 darkPen.setColor(dark);<a name="l00218"></a>00218 darkPen.setWidth(d_data->intBorder);<a name="l00219"></a>00219 <a name="l00220"></a>00220 <a class="code" href="class_qwt_wheel.html#f7d32d9b65d1f55913656a44b2a20646">setColorArray</a>();<a name="l00221"></a>00221 <a name="l00222"></a>00222 <span class="comment">//</span><a name="l00223"></a>00223 <span class="comment">// initialize auxiliary variables</span><a name="l00224"></a>00224 <span class="comment">//</span><a name="l00225"></a>00225 <a name="l00226"></a>00226 <span class="keyword">const</span> <span class="keywordtype">int</span> nFields = NUM_COLORS * 13 / 10;<a name="l00227"></a>00227 <span class="keyword">const</span> <span class="keywordtype">int</span> hiPos = nFields - NUM_COLORS + 1;<a name="l00228"></a>00228 <a name="l00229"></a>00229 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#4d2521b9c31ec64b71d8e1771b156d88">orientation</a>() == Qt::Horizontal )<a name="l00230"></a>00230 {<a name="l00231"></a>00231 <span class="keyword">const</span> <span class="keywordtype">int</span> rx = r.x();<a name="l00232"></a>00232 <span class="keywordtype">int</span> ry = r.y() + d_data->intBorder;<a name="l00233"></a>00233 <span class="keyword">const</span> <span class="keywordtype">int</span> rh = r.height() - 2* d_data->intBorder;<a name="l00234"></a>00234 <span class="keyword">const</span> <span class="keywordtype">int</span> rw = r.width();<a name="l00235"></a>00235 <span class="comment">//</span><a name="l00236"></a>00236 <span class="comment">// draw shaded background</span><a name="l00237"></a>00237 <span class="comment">//</span><a name="l00238"></a>00238 <span class="keywordtype">int</span> x1 = rx;<a name="l00239"></a>00239 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < nFields; i++ )<a name="l00240"></a>00240 {<a name="l00241"></a>00241 <span class="keyword">const</span> <span class="keywordtype">int</span> x2 = rx + (rw * i) / nFields;<a name="l00242"></a>00242 p->fillRect(x1, ry, x2-x1 + 1 ,rh, d_data->colors[qwtAbs(i-hiPos)]);<a name="l00243"></a>00243 x1 = x2 + 1;<a name="l00244"></a>00244 }<a name="l00245"></a>00245 p->fillRect(x1, ry, rw - (x1 - rx), rh, d_data->colors[NUM_COLORS - 1]);<a name="l00246"></a>00246 <a name="l00247"></a>00247 <span class="comment">//</span><a name="l00248"></a>00248 <span class="comment">// draw internal border</span><a name="l00249"></a>00249 <span class="comment">//</span><a name="l00250"></a>00250 p->setPen(lightPen);<a name="l00251"></a>00251 ry = r.y() + d_data->intBorder / 2;<a name="l00252"></a>00252 p->drawLine(r.x(), ry, r.x() + r.width() , ry);<a name="l00253"></a>00253 <a name="l00254"></a>00254 p->setPen(darkPen);<a name="l00255"></a>00255 ry = r.y() + r.height() - (d_data->intBorder - d_data->intBorder / 2);<a name="l00256"></a>00256 p->drawLine(r.x(), ry , r.x() + r.width(), ry);<a name="l00257"></a>00257 }<a name="l00258"></a>00258 <span class="keywordflow">else</span> <span class="comment">// Qt::Vertical</span><a name="l00259"></a>00259 {<a name="l00260"></a>00260 <span class="keywordtype">int</span> rx = r.x() + d_data->intBorder;<a name="l00261"></a>00261 <span class="keyword">const</span> <span class="keywordtype">int</span> ry = r.y();<a name="l00262"></a>00262 <span class="keyword">const</span> <span class="keywordtype">int</span> rh = r.height();<a name="l00263"></a>00263 <span class="keyword">const</span> <span class="keywordtype">int</span> rw = r.width() - 2 * d_data->intBorder;<a name="l00264"></a>00264 <a name="l00265"></a>00265 <span class="comment">//</span><a name="l00266"></a>00266 <span class="comment">// draw shaded background</span><a name="l00267"></a>00267 <span class="comment">//</span><a name="l00268"></a>00268 <span class="keywordtype">int</span> y1 = ry;<a name="l00269"></a>00269 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 1; i < nFields; i++ )<a name="l00270"></a>00270 {<a name="l00271"></a>00271 <span class="keyword">const</span> <span class="keywordtype">int</span> y2 = ry + (rh * i) / nFields;<a name="l00272"></a>00272 p->fillRect(rx, y1, rw, y2-y1 + 1, d_data->colors[qwtAbs(i-hiPos)]);<a name="l00273"></a>00273 y1 = y2 + 1;<a name="l00274"></a>00274 }<a name="l00275"></a>00275 p->fillRect(rx, y1, rw, rh - (y1 - ry), d_data->colors[NUM_COLORS - 1]);<a name="l00276"></a>00276 <a name="l00277"></a>00277 <span class="comment">//</span><a name="l00278"></a>00278 <span class="comment">// draw internal borders</span><a name="l00279"></a>00279 <span class="comment">//</span><a name="l00280"></a>00280 p->setPen(lightPen);<a name="l00281"></a>00281 rx = r.x() + d_data->intBorder / 2;<a name="l00282"></a>00282 p->drawLine(rx, r.y(), rx, r.y() + r.height());<a name="l00283"></a>00283 <a name="l00284"></a>00284 p->setPen(darkPen);<a name="l00285"></a>00285 rx = r.x() + r.width() - (d_data->intBorder - d_data->intBorder / 2);<a name="l00286"></a>00286 p->drawLine(rx, r.y(), rx , r.y() + r.height());<a name="l00287"></a>00287 }<a name="l00288"></a>00288 <a name="l00289"></a>00289 p->restore();<a name="l00290"></a>00290 }<a name="l00291"></a>00291 <a name="l00292"></a>00292 <a name="l00304"></a><a class="code" href="class_qwt_wheel.html#3bf43e42e715577f05be9525be1a8e0e">00304</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_wheel.html#3bf43e42e715577f05be9525be1a8e0e">QwtWheel::setTotalAngle</a>(<span class="keywordtype">double</span> angle)<a name="l00305"></a>00305 {<a name="l00306"></a>00306 <span class="keywordflow">if</span> ( angle < 0.0 )<a name="l00307"></a>00307 angle = 0.0;<a name="l00308"></a>00308 <a name="l00309"></a>00309 d_data->totalAngle = angle;<a name="l00310"></a>00310 update();<a name="l00311"></a>00311 }<a name="l00312"></a>00312 <a name="l00313"></a><a class="code" href="class_qwt_wheel.html#c05734986ee427e6d820f54a267dde26">00313</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_wheel.html#c05734986ee427e6d820f54a267dde26">QwtWheel::totalAngle</a>()<span class="keyword"> const </span><a name="l00314"></a>00314 <span class="keyword"></span>{<a name="l00315"></a>00315 <span class="keywordflow">return</span> d_data->totalAngle;<a name="l00316"></a>00316 }⌨️ 快捷键说明
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