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📄 qwt__scale__map_8cpp-source.html

📁 QWT5.01用于Qt开发的二维图形库程序
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<a name="l00118"></a>00118     d_p2 = other.<a class="code" href="class_qwt_scale_map.html#86bbef324f3544f7d2f4823788c34544">d_p2</a>;<a name="l00119"></a>00119     d_cnv = other.<a class="code" href="class_qwt_scale_map.html#5e40f1fa00e5097984f3b25797f1edcb">d_cnv</a>;<a name="l00120"></a>00120 <a name="l00121"></a>00121     <span class="keyword">delete</span> d_transformation;<a name="l00122"></a>00122     d_transformation = other.<a class="code" href="class_qwt_scale_map.html#b5b246849496c471c72f0a83ddbd5d33">d_transformation</a>-&gt;<a class="code" href="class_qwt_scale_transformation.html#ce4c90eefe778f87a11e0be1f27df0a6">copy</a>();<a name="l00123"></a>00123 <a name="l00124"></a>00124     <span class="keywordflow">return</span> *<span class="keyword">this</span>;<a name="l00125"></a>00125 }<a name="l00126"></a>00126 <a name="l00130"></a><a class="code" href="class_qwt_scale_map.html#37edc7ef45ce0958927f17ca96f91dde">00130</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#37edc7ef45ce0958927f17ca96f91dde">QwtScaleMap::setTransformation</a>(<a name="l00131"></a>00131     <a class="code" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *transformation)<a name="l00132"></a>00132 {<a name="l00133"></a>00133     <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_map.html#67bd65d38340ccf2c7e7623cf9bbc0e5">transformation</a> == NULL )<a name="l00134"></a>00134         <span class="keywordflow">return</span>;<a name="l00135"></a>00135 <a name="l00136"></a>00136     <span class="keyword">delete</span> d_transformation;<a name="l00137"></a>00137     d_transformation = <a class="code" href="class_qwt_scale_map.html#67bd65d38340ccf2c7e7623cf9bbc0e5">transformation</a>;<a name="l00138"></a>00138     <a class="code" href="class_qwt_scale_map.html#aa33bc8e1aed7aa17d345053194e7094">setScaleInterval</a>(d_s1, d_s2);<a name="l00139"></a>00139 }<a name="l00140"></a>00140 <a name="l00142"></a><a class="code" href="class_qwt_scale_map.html#67bd65d38340ccf2c7e7623cf9bbc0e5">00142</a> <span class="keyword">const</span> <a class="code" href="class_qwt_scale_transformation.html">QwtScaleTransformation</a> *<a class="code" href="class_qwt_scale_map.html#67bd65d38340ccf2c7e7623cf9bbc0e5">QwtScaleMap::transformation</a>()<span class="keyword"> const</span><a name="l00143"></a>00143 <span class="keyword"></span>{<a name="l00144"></a>00144     <span class="keywordflow">return</span> d_transformation;<a name="l00145"></a>00145 }<a name="l00146"></a>00146 <a name="l00153"></a><a class="code" href="class_qwt_scale_map.html#aa33bc8e1aed7aa17d345053194e7094">00153</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#aa33bc8e1aed7aa17d345053194e7094">QwtScaleMap::setScaleInterval</a>(<span class="keywordtype">double</span> s1, <span class="keywordtype">double</span> s2)<a name="l00154"></a>00154 {<a name="l00155"></a>00155     <span class="keywordflow">if</span> (d_transformation-&gt;<a class="code" href="class_qwt_scale_transformation.html#8b8936e303f55241599ccbf358ab9215">type</a>() == QwtScaleTransformation::Log10 )<a name="l00156"></a>00156     {<a name="l00157"></a>00157         <span class="keywordflow">if</span> (s1 &lt; <a class="code" href="class_qwt_scale_map.html#dacf5fdb36940d39929993083f6cb64b">LogMin</a>) <a name="l00158"></a>00158            s1 = <a class="code" href="class_qwt_scale_map.html#dacf5fdb36940d39929993083f6cb64b">LogMin</a>;<a name="l00159"></a>00159         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s1 &gt; <a class="code" href="class_qwt_scale_map.html#0f06d4698bcb8af2200e37609b4b88c4">LogMax</a>) <a name="l00160"></a>00160            s1 = <a class="code" href="class_qwt_scale_map.html#0f06d4698bcb8af2200e37609b4b88c4">LogMax</a>;<a name="l00161"></a>00161         <a name="l00162"></a>00162         <span class="keywordflow">if</span> (s2 &lt; <a class="code" href="class_qwt_scale_map.html#dacf5fdb36940d39929993083f6cb64b">LogMin</a>) <a name="l00163"></a>00163            s2 = <a class="code" href="class_qwt_scale_map.html#dacf5fdb36940d39929993083f6cb64b">LogMin</a>;<a name="l00164"></a>00164         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s2 &gt; <a class="code" href="class_qwt_scale_map.html#0f06d4698bcb8af2200e37609b4b88c4">LogMax</a>) <a name="l00165"></a>00165            s2 = <a class="code" href="class_qwt_scale_map.html#0f06d4698bcb8af2200e37609b4b88c4">LogMax</a>;<a name="l00166"></a>00166     }<a name="l00167"></a>00167 <a name="l00168"></a>00168     d_s1 = s1;<a name="l00169"></a>00169     d_s2 = s2;<a name="l00170"></a>00170 <a name="l00171"></a>00171     <span class="keywordflow">if</span> ( d_transformation-&gt;type() != QwtScaleTransformation::Other )<a name="l00172"></a>00172         newFactor();<a name="l00173"></a>00173 }<a name="l00174"></a>00174 <a name="l00180"></a><a class="code" href="class_qwt_scale_map.html#a9a63a0b2e4ff81b1df23d9f968cd5b8">00180</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#a9a63a0b2e4ff81b1df23d9f968cd5b8">QwtScaleMap::setPaintInterval</a>(<span class="keywordtype">int</span> p1, <span class="keywordtype">int</span> p2)<a name="l00181"></a>00181 {<a name="l00182"></a>00182     d_p1 = p1;<a name="l00183"></a>00183     d_p2 = p2;<a name="l00184"></a>00184 <a name="l00185"></a>00185     <span class="keywordflow">if</span> ( d_transformation-&gt;<a class="code" href="class_qwt_scale_transformation.html#8b8936e303f55241599ccbf358ab9215">type</a>() != QwtScaleTransformation::Other )<a name="l00186"></a>00186         newFactor();<a name="l00187"></a>00187 }<a name="l00188"></a>00188 <a name="l00194"></a><a class="code" href="class_qwt_scale_map.html#1679ba72903986ff546c4c197e4680c0">00194</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#1679ba72903986ff546c4c197e4680c0">QwtScaleMap::setPaintXInterval</a>(<span class="keywordtype">double</span> p1, <span class="keywordtype">double</span> p2)<a name="l00195"></a>00195 {<a name="l00196"></a>00196     d_p1 = p1;<a name="l00197"></a>00197     d_p2 = p2;<a name="l00198"></a>00198 <a name="l00199"></a>00199     <span class="keywordflow">if</span> ( d_transformation-&gt;<a class="code" href="class_qwt_scale_transformation.html#8b8936e303f55241599ccbf358ab9215">type</a>() != QwtScaleTransformation::Other )<a name="l00200"></a>00200         newFactor();<a name="l00201"></a>00201 }<a name="l00202"></a>00202 <a name="l00206"></a>00206 <span class="keywordtype">void</span> QwtScaleMap::newFactor()<a name="l00207"></a>00207 {<a name="l00208"></a>00208     d_cnv = 0.0;<a name="l00209"></a>00209 <span class="preprocessor">#if 1</span><a name="l00210"></a>00210 <span class="preprocessor"></span>    <span class="keywordflow">if</span> (d_s2 == d_s1)<a name="l00211"></a>00211         <span class="keywordflow">return</span>;<a name="l00212"></a>00212 <span class="preprocessor">#endif</span><a name="l00213"></a>00213 <span class="preprocessor"></span><a name="l00214"></a>00214     <span class="keywordflow">switch</span>( d_transformation-&gt;<a class="code" href="class_qwt_scale_transformation.html#8b8936e303f55241599ccbf358ab9215">type</a>() )<a name="l00215"></a>00215     {<a name="l00216"></a>00216         <span class="keywordflow">case</span> QwtScaleTransformation::Linear:<a name="l00217"></a>00217             d_cnv = (d_p2 - d_p1) / (d_s2 - d_s1); <a name="l00218"></a>00218             <span class="keywordflow">break</span>;<a name="l00219"></a>00219         <span class="keywordflow">case</span> QwtScaleTransformation::Log10:<a name="l00220"></a>00220             d_cnv = (d_p2 - d_p1) / log(d_s2 / d_s1);<a name="l00221"></a>00221             <span class="keywordflow">break</span>;<a name="l00222"></a>00222         <span class="keywordflow">default</span>:;<a name="l00223"></a>00223     }<a name="l00224"></a>00224 }</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Feb 26 21:22:38 2007 for Qwt User's Guide by&nbsp;<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address></body></html>

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