qwt__scale__engine_8h-source.html

QWT5.01用于Qt开发的二维图形库程序

<a name="l00106"></a>00106 
<a name="l00107"></a>00107 <span class="keyword">protected</span>:
<a name="l00108"></a>00108     <span class="keywordtype">bool</span> contains(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;, <span class="keywordtype">double</span> val) <span class="keyword">const</span>;
<a name="l00109"></a>00109     QwtValueList strip(<span class="keyword">const</span> QwtValueList&amp;, <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;) <span class="keyword">const</span>;
<a name="l00110"></a>00110     <span class="keywordtype">double</span> divideInterval(<span class="keywordtype">double</span> interval, <span class="keywordtype">int</span> numSteps) <span class="keyword">const</span>;
<a name="l00111"></a>00111 
<a name="l00112"></a>00112     <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> buildInterval(<span class="keywordtype">double</span> v) <span class="keyword">const</span>;
<a name="l00113"></a>00113 
<a name="l00114"></a>00114 <span class="keyword">private</span>:
<a name="l00115"></a>00115     <span class="keyword">class </span>PrivateData;
<a name="l00116"></a>00116     PrivateData *d_data;
<a name="l00117"></a>00117 };
<a name="l00118"></a>00118 
<a name="l00126"></a><a class="code" href="class_qwt_linear_scale_engine.html">00126</a> <span class="keyword">class </span>QWT_EXPORT QwtLinearScaleEngine: <span class="keyword">public</span> QwtScaleEngine
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 <span class="keyword">public</span>:
<a name="l00129"></a>00129     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_engine.html#a27323d6d9d5348bd253a61b45e4785b">autoScale</a>(<span class="keywordtype">int</span> maxSteps, 
<a name="l00130"></a>00130         <span class="keywordtype">double</span> &amp;x1, <span class="keywordtype">double</span> &amp;x2, <span class="keywordtype">double</span> &amp;stepSize) <span class="keyword">const</span>;
<a name="l00131"></a>00131 
<a name="l00132"></a>00132     <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> <a class="code" href="class_qwt_scale_engine.html#833fbdad4cce6e3b6448ee2549dc09e1">divideScale</a>(<span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,
<a name="l00133"></a>00133         <span class="keywordtype">int</span> numMajorSteps, <span class="keywordtype">int</span> numMinorSteps,
<a name="l00134"></a>00134         <span class="keywordtype">double</span> stepSize = 0.0) <span class="keyword">const</span>;
<a name="l00135"></a>00135 
<a name="l00136"></a>00136     <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *<a class="code" href="class_qwt_scale_engine.html#04a93d0dc39a3483957764e7749989fd">transformation</a>() <span class="keyword">const</span>;
<a name="l00137"></a>00137 
<a name="l00138"></a>00138 <span class="keyword">protected</span>:
<a name="l00139"></a>00139     <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> align(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a>&amp;,
<a name="l00140"></a>00140         <span class="keywordtype">double</span> stepSize) <span class="keyword">const</span>;
<a name="l00141"></a>00141 
<a name="l00142"></a>00142 <span class="keyword">private</span>:
<a name="l00143"></a>00143     <span class="keywordtype">void</span> buildTicks(
<a name="l00144"></a>00144         <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;, <span class="keywordtype">double</span> stepSize, <span class="keywordtype">int</span> maxMinSteps,
<a name="l00145"></a>00145         QwtValueList ticks[QwtScaleDiv::NTickTypes]) <span class="keyword">const</span>;
<a name="l00146"></a>00146 
<a name="l00147"></a>00147     <span class="keywordtype">void</span> buildMinorTicks(
<a name="l00148"></a>00148         <span class="keyword">const</span> QwtValueList&amp; majorTicks,
<a name="l00149"></a>00149         <span class="keywordtype">int</span> maxMinMark, <span class="keywordtype">double</span> step,
<a name="l00150"></a>00150         QwtValueList &amp;, QwtValueList &amp;) <span class="keyword">const</span>;
<a name="l00151"></a>00151 
<a name="l00152"></a>00152     QwtValueList buildMajorTicks(
<a name="l00153"></a>00153         <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;interval, <span class="keywordtype">double</span> stepSize) <span class="keyword">const</span>;
<a name="l00154"></a>00154 };
<a name="l00155"></a>00155 
<a name="l00167"></a><a class="code" href="class_qwt_log10_scale_engine.html">00167</a> <span class="keyword">class </span>QWT_EXPORT QwtLog10ScaleEngine: <span class="keyword">public</span> QwtScaleEngine
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="keyword">public</span>:
<a name="l00170"></a>00170     <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_engine.html#a27323d6d9d5348bd253a61b45e4785b">autoScale</a>(<span class="keywordtype">int</span> maxSteps, 
<a name="l00171"></a>00171         <span class="keywordtype">double</span> &amp;x1, <span class="keywordtype">double</span> &amp;x2, <span class="keywordtype">double</span> &amp;stepSize) <span class="keyword">const</span>;
<a name="l00172"></a>00172 
<a name="l00173"></a>00173     <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> <a class="code" href="class_qwt_scale_engine.html#833fbdad4cce6e3b6448ee2549dc09e1">divideScale</a>(<span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,
<a name="l00174"></a>00174         <span class="keywordtype">int</span> numMajorSteps, <span class="keywordtype">int</span> numMinorSteps,
<a name="l00175"></a>00175         <span class="keywordtype">double</span> stepSize = 0.0) <span class="keyword">const</span>;
<a name="l00176"></a>00176 
<a name="l00177"></a>00177     <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *<a class="code" href="class_qwt_scale_engine.html#04a93d0dc39a3483957764e7749989fd">transformation</a>() <span class="keyword">const</span>;
<a name="l00178"></a>00178 
<a name="l00179"></a>00179 <span class="keyword">protected</span>:
<a name="l00180"></a>00180     <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> log10(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a>&amp;) <span class="keyword">const</span>;
<a name="l00181"></a>00181     <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> pow10(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a>&amp;) <span class="keyword">const</span>;
<a name="l00182"></a>00182 
<a name="l00183"></a>00183 <span class="keyword">private</span>:
<a name="l00184"></a>00184     <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> align(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a>&amp;,
<a name="l00185"></a>00185         <span class="keywordtype">double</span> stepSize) <span class="keyword">const</span>;
<a name="l00186"></a>00186 
<a name="l00187"></a>00187     <span class="keywordtype">void</span> buildTicks(
<a name="l00188"></a>00188         <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;, <span class="keywordtype">double</span> stepSize, <span class="keywordtype">int</span> maxMinSteps,
<a name="l00189"></a>00189         QwtValueList ticks[QwtScaleDiv::NTickTypes]) <span class="keyword">const</span>;
<a name="l00190"></a>00190 
<a name="l00191"></a>00191     QwtValueList buildMinorTicks(
<a name="l00192"></a>00192         <span class="keyword">const</span> QwtValueList&amp; majorTicks,
<a name="l00193"></a>00193         <span class="keywordtype">int</span> maxMinMark, <span class="keywordtype">double</span> step) <span class="keyword">const</span>;
<a name="l00194"></a>00194 
<a name="l00195"></a>00195     QwtValueList buildMajorTicks(
<a name="l00196"></a>00196         <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &amp;interval, <span class="keywordtype">double</span> stepSize) <span class="keyword">const</span>;
<a name="l00197"></a>00197 };
<a name="l00198"></a>00198 
<a name="l00199"></a>00199 <span class="preprocessor">#endif</span>
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