qwt__analog__clock_8cpp-source.html

QWT5.01用于Qt开发的二维图形库程序

<a name="l00087"></a>00087 
<a name="l00092"></a>00092 <span class="keywordtype">void</span> QwtAnalogClock::setNeedle(<a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094     <span class="comment">// no op</span>
<a name="l00095"></a>00095     <span class="keywordflow">return</span>;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 
<a name="l00104"></a><a class="code" href="class_qwt_analog_clock.html#643101aafbe7a6fc91cb550203a7d3ee">00104</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#643101aafbe7a6fc91cb550203a7d3ee">QwtAnalogClock::setHand</a>(<a class="code" href="class_qwt_analog_clock.html#cd8f7e963ae073120684de46821f2cfe">Hand</a> hand, <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *needle)
<a name="l00105"></a>00105 {
<a name="l00106"></a>00106     <span class="keywordflow">if</span> ( hand &gt;= 0 || hand &lt; NHands )
<a name="l00107"></a>00107     {
<a name="l00108"></a>00108         <span class="keyword">delete</span> d_hand[hand];
<a name="l00109"></a>00109         d_hand[hand] = <a class="code" href="class_qwt_dial.html#58ed8cf5aae56c44427b25f691f69b5c">needle</a>;
<a name="l00110"></a>00110     }
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112 
<a name="l00118"></a><a class="code" href="class_qwt_analog_clock.html#bb93bf8255bc00ef160165385bb6adce">00118</a> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *<a class="code" href="class_qwt_analog_clock.html#b390561b0856eef0d2bb80bdff0fb204">QwtAnalogClock::hand</a>(<a class="code" href="class_qwt_analog_clock.html#cd8f7e963ae073120684de46821f2cfe">Hand</a> hd)
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120     <span class="keywordflow">if</span> ( hd &lt; 0 || hd &gt;= NHands )
<a name="l00121"></a>00121         <span class="keywordflow">return</span> NULL;
<a name="l00122"></a>00122 
<a name="l00123"></a>00123     <span class="keywordflow">return</span> d_hand[hd];
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 
<a name="l00131"></a><a class="code" href="class_qwt_analog_clock.html#b390561b0856eef0d2bb80bdff0fb204">00131</a> <span class="keyword">const</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *<a class="code" href="class_qwt_analog_clock.html#b390561b0856eef0d2bb80bdff0fb204">QwtAnalogClock::hand</a>(<a class="code" href="class_qwt_analog_clock.html#cd8f7e963ae073120684de46821f2cfe">Hand</a> hd)<span class="keyword"> const</span>
<a name="l00132"></a>00132 <span class="keyword"></span>{
<a name="l00133"></a>00133     <span class="keywordflow">return</span> ((<a class="code" href="class_qwt_analog_clock.html">QwtAnalogClock</a> *)<span class="keyword">this</span>)-&gt;hand(hd);
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 
<a name="l00142"></a><a class="code" href="class_qwt_analog_clock.html#1972a54ce59155ec7435103f11a775a7">00142</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#1972a54ce59155ec7435103f11a775a7">QwtAnalogClock::setCurrentTime</a>()
<a name="l00143"></a>00143 { 
<a name="l00144"></a>00144     <a class="code" href="class_qwt_analog_clock.html#7a7098a41511a4b1c819cfc8b0f2839c">setTime</a>(QTime::currentTime()); 
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 
<a name="l00151"></a><a class="code" href="class_qwt_analog_clock.html#7a7098a41511a4b1c819cfc8b0f2839c">00151</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#7a7098a41511a4b1c819cfc8b0f2839c">QwtAnalogClock::setTime</a>(<span class="keyword">const</span> QTime &amp;time)
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153     <span class="keywordflow">if</span> ( time.isValid() )
<a name="l00154"></a>00154     {
<a name="l00155"></a>00155         <a class="code" href="class_qwt_abstract_slider.html#c3713f8989b647cb79f0a5894991e36a">setValue</a>((time.hour() % 12) * 60.0 * 60.0 
<a name="l00156"></a>00156             + time.minute() * 60.0 + time.second());
<a name="l00157"></a>00157     }
<a name="l00158"></a>00158     <span class="keywordflow">else</span>
<a name="l00159"></a>00159         setValid(<span class="keyword">false</span>);
<a name="l00160"></a>00160 }
<a name="l00161"></a>00161 
<a name="l00168"></a><a class="code" href="class_qwt_analog_clock.html#c41f420214578dfebbd8a6216105e510">00168</a> <a class="code" href="class_qwt_text.html">QwtText</a> <a class="code" href="class_qwt_analog_clock.html#c41f420214578dfebbd8a6216105e510">QwtAnalogClock::scaleLabel</a>(<span class="keywordtype">double</span> value)<span class="keyword"> const</span>
<a name="l00169"></a>00169 <span class="keyword"></span>{
<a name="l00170"></a>00170     <span class="keywordflow">if</span> ( value == 0.0 )
<a name="l00171"></a>00171         value = 60.0 * 60.0 * 12.0;
<a name="l00172"></a>00172 
<a name="l00173"></a>00173     <span class="keywordflow">return</span> QString::number(<span class="keywordtype">int</span>(value / (60.0 * 60.0)));
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175 
<a name="l00191"></a><a class="code" href="class_qwt_analog_clock.html#1015d53a224d9d6a8b3599d8438143d4">00191</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#1015d53a224d9d6a8b3599d8438143d4">QwtAnalogClock::drawNeedle</a>(QPainter *painter, <span class="keyword">const</span> QPoint &amp;center,
<a name="l00192"></a>00192         <span class="keywordtype">int</span> radius, <span class="keywordtype">double</span>, QPalette::ColorGroup cg)<span class="keyword"> const</span>
<a name="l00193"></a>00193 <span class="keyword"></span>{
<a name="l00194"></a>00194     <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_slider.html#87c750f098cb5f70306a7908339cb88e">isValid</a>() )
<a name="l00195"></a>00195     {
<a name="l00196"></a>00196         <span class="keyword">const</span> <span class="keywordtype">double</span> hours = <a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() / (60.0 * 60.0);
<a name="l00197"></a>00197         <span class="keyword">const</span> <span class="keywordtype">double</span> minutes = (<a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() - (int)hours * 60.0 * 60.0) / 60.0;
<a name="l00198"></a>00198         <span class="keyword">const</span> <span class="keywordtype">double</span> seconds = <a class="code" href="class_qwt_double_range.html#7777cf257c812579c4891512f1b6cad0">value</a>() - (int)hours * 60.0 * 60.0 
<a name="l00199"></a>00199             - (<span class="keywordtype">int</span>)minutes * 60.0;
<a name="l00200"></a>00200 
<a name="l00201"></a>00201         <a class="code" href="class_qwt_analog_clock.html#de068366d6b8fb1d706e2bec32fc5004">drawHand</a>(painter, HourHand, center, radius,
<a name="l00202"></a>00202             360.0 - (<a class="code" href="class_qwt_dial.html#5d7a8b9094bcc3fb82b31c3ac9ad706d">origin</a>() + 360.0 * hours / 12.0), cg);
<a name="l00203"></a>00203         <a class="code" href="class_qwt_analog_clock.html#de068366d6b8fb1d706e2bec32fc5004">drawHand</a>(painter, MinuteHand, center, radius,
<a name="l00204"></a>00204             360.0 - (<a class="code" href="class_qwt_dial.html#5d7a8b9094bcc3fb82b31c3ac9ad706d">origin</a>() + 360.0 * minutes / 60.0), cg);
<a name="l00205"></a>00205         <a class="code" href="class_qwt_analog_clock.html#de068366d6b8fb1d706e2bec32fc5004">drawHand</a>(painter, SecondHand, center, radius,
<a name="l00206"></a>00206             360.0 - (<a class="code" href="class_qwt_dial.html#5d7a8b9094bcc3fb82b31c3ac9ad706d">origin</a>() + 360.0 * seconds / 60.0), cg);
<a name="l00207"></a>00207     }
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209 
<a name="l00220"></a><a class="code" href="class_qwt_analog_clock.html#de068366d6b8fb1d706e2bec32fc5004">00220</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_analog_clock.html#de068366d6b8fb1d706e2bec32fc5004">QwtAnalogClock::drawHand</a>(QPainter *painter, <a class="code" href="class_qwt_analog_clock.html#cd8f7e963ae073120684de46821f2cfe">Hand</a> hd,
<a name="l00221"></a>00221     <span class="keyword">const</span> QPoint &amp;center, <span class="keywordtype">int</span> radius, <span class="keywordtype">double</span> direction, 
<a name="l00222"></a>00222     QPalette::ColorGroup cg)<span class="keyword"> const</span>
<a name="l00223"></a>00223 <span class="keyword"></span>{
<a name="l00224"></a>00224     <span class="keyword">const</span> <a class="code" href="class_qwt_dial_needle.html">QwtDialNeedle</a> *<a class="code" href="class_qwt_dial.html#58ed8cf5aae56c44427b25f691f69b5c">needle</a> = <a class="code" href="class_qwt_analog_clock.html#b390561b0856eef0d2bb80bdff0fb204">hand</a>(hd);
<a name="l00225"></a>00225     <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_dial.html#58ed8cf5aae56c44427b25f691f69b5c">needle</a> )
<a name="l00226"></a>00226     {
<a name="l00227"></a>00227         <span class="keywordflow">if</span> ( hd == HourHand )
<a name="l00228"></a>00228             radius = qRound(0.8 * radius);
<a name="l00229"></a>00229 
<a name="l00230"></a>00230         <a class="code" href="class_qwt_dial.html#58ed8cf5aae56c44427b25f691f69b5c">needle</a>-&gt;<a class="code" href="class_qwt_dial_needle.html#6076eecfa9fc39235435d098cf146a2c">draw</a>(painter, center, radius, direction, cg);
<a name="l00231"></a>00231     }
<a name="l00232"></a>00232 }
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