qwt__text_8cpp-source.html

QWT5.01用于Qt开发的二维图形库程序

<a name="l00119"></a>00119         d_map.insert(format, engine);
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 
<a name="l00122"></a>00122 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *QwtTextEngineDict::textEngine(
<a name="l00123"></a>00123     <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format)<span class="keyword"> const</span>
<a name="l00124"></a>00124 <span class="keyword"></span>{
<a name="l00125"></a>00125     <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = NULL;
<a name="l00126"></a>00126 
<a name="l00127"></a>00127     EngineMap::const_iterator it = d_map.find(format);
<a name="l00128"></a>00128     <span class="keywordflow">if</span> ( it != d_map.end() )
<a name="l00129"></a>00129         e = engine(it);
<a name="l00130"></a>00130 
<a name="l00131"></a>00131     <span class="keywordflow">return</span> e;
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 
<a name="l00134"></a>00134 <span class="keyword">static</span> QwtTextEngineDict *engineDict = NULL;
<a name="l00135"></a>00135 
<a name="l00136"></a>00136 <span class="keyword">class </span>QwtText::PrivateData
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keyword">public</span>:
<a name="l00139"></a>00139     PrivateData():
<a name="l00140"></a>00140         <a class="code" href="class_qwt_text.html#59c6bf54af867ce5632a07117fe442e1">renderFlags</a>(Qt::AlignCenter),
<a name="l00141"></a>00141         <a class="code" href="class_qwt_text.html#f1aecfe1c9321dad4b80465f6d1a0649">backgroundPen</a>(Qt::NoPen),
<a name="l00142"></a>00142         <a class="code" href="class_qwt_text.html#46bb4836482e4fe554f5079871343ba6">backgroundBrush</a>(Qt::NoBrush),
<a name="l00143"></a>00143         paintAttributes(0),
<a name="l00144"></a>00144         layoutAttributes(0),
<a name="l00145"></a>00145         <a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>(NULL)
<a name="l00146"></a>00146     {
<a name="l00147"></a>00147     }
<a name="l00148"></a>00148 
<a name="l00149"></a>00149     <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#59c6bf54af867ce5632a07117fe442e1">renderFlags</a>;
<a name="l00150"></a>00150     QString text;
<a name="l00151"></a>00151     QFont <a class="code" href="class_qwt_text.html#76db41eeae98fbfa0933a38328a240ac">font</a>;
<a name="l00152"></a>00152     QColor <a class="code" href="class_qwt_text.html#8904020d2a906c4c66d8515ba47820fe">color</a>;
<a name="l00153"></a>00153     QPen <a class="code" href="class_qwt_text.html#f1aecfe1c9321dad4b80465f6d1a0649">backgroundPen</a>;
<a name="l00154"></a>00154     QBrush <a class="code" href="class_qwt_text.html#46bb4836482e4fe554f5079871343ba6">backgroundBrush</a>;
<a name="l00155"></a>00155 
<a name="l00156"></a>00156     <span class="keywordtype">int</span> paintAttributes;
<a name="l00157"></a>00157     <span class="keywordtype">int</span> layoutAttributes;
<a name="l00158"></a>00158 
<a name="l00159"></a>00159     <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *<a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>;
<a name="l00160"></a>00160 };
<a name="l00161"></a>00161 
<a name="l00162"></a>00162 <span class="keyword">class </span>QwtText::LayoutCache
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 <span class="keyword">public</span>:
<a name="l00165"></a>00165     <span class="keywordtype">void</span> invalidate()
<a name="l00166"></a>00166     {
<a name="l00167"></a>00167         <a class="code" href="class_qwt_text.html#6e7ff0a75f1eecc37478f9ca643da379">textSize</a> = QSize();
<a name="l00168"></a>00168     }
<a name="l00169"></a>00169 
<a name="l00170"></a>00170     QFont <a class="code" href="class_qwt_text.html#76db41eeae98fbfa0933a38328a240ac">font</a>;
<a name="l00171"></a>00171     QSize <a class="code" href="class_qwt_text.html#6e7ff0a75f1eecc37478f9ca643da379">textSize</a>;
<a name="l00172"></a>00172 };
<a name="l00173"></a>00173 
<a name="l00180"></a><a class="code" href="class_qwt_text.html#91439964ad1150c136dcaa113a648ecf">00180</a> <a class="code" href="class_qwt_text.html#91439964ad1150c136dcaa113a648ecf">QwtText::QwtText</a>(<span class="keyword">const</span> QString &amp;text, <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> textFormat)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182     d_data = <span class="keyword">new</span> PrivateData;
<a name="l00183"></a>00183     d_data-&gt;text = text;
<a name="l00184"></a>00184     d_data-&gt;textEngine = <a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>(text, textFormat);
<a name="l00185"></a>00185 
<a name="l00186"></a>00186     d_layoutCache = <span class="keyword">new</span> LayoutCache;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 
<a name="l00190"></a><a class="code" href="class_qwt_text.html#f88b42733c420574fa76b2d58b965313">00190</a> <a class="code" href="class_qwt_text.html#91439964ad1150c136dcaa113a648ecf">QwtText::QwtText</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &amp;other)
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192     d_data = <span class="keyword">new</span> PrivateData;
<a name="l00193"></a>00193     *d_data = *other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>;
<a name="l00194"></a>00194 
<a name="l00195"></a>00195     d_layoutCache = <span class="keyword">new</span> LayoutCache;
<a name="l00196"></a>00196     *d_layoutCache = *other.<a class="code" href="class_qwt_text.html#95346ab7efbb7db468a00abc31af9793">d_layoutCache</a>;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 
<a name="l00200"></a><a class="code" href="class_qwt_text.html#ba243ac11b91979ad3f2ee7d3c700195">00200</a> <a class="code" href="class_qwt_text.html#ba243ac11b91979ad3f2ee7d3c700195">QwtText::~QwtText</a>() 
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202     <span class="keyword">delete</span> d_data;
<a name="l00203"></a>00203     <span class="keyword">delete</span> d_layoutCache;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205 
<a name="l00207"></a><a class="code" href="class_qwt_text.html#d4a8678071c7e114c47a21f1f78cca37">00207</a> <a class="code" href="class_qwt_text.html">QwtText</a> &amp;<a class="code" href="class_qwt_text.html#d4a8678071c7e114c47a21f1f78cca37">QwtText::operator=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &amp;other)
<a name="l00208"></a>00208 {
<a name="l00209"></a>00209     *d_data = *other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>;
<a name="l00210"></a>00210     *d_layoutCache = *other.<a class="code" href="class_qwt_text.html#95346ab7efbb7db468a00abc31af9793">d_layoutCache</a>;
<a name="l00211"></a>00211     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213     
<a name="l00214"></a><a class="code" href="class_qwt_text.html#0c65d308ee01c86c7c2c2035dff9f14e">00214</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#0c65d308ee01c86c7c2c2035dff9f14e">QwtText::operator==</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &amp;other)<span class="keyword"> const</span>
<a name="l00215"></a>00215 <span class="keyword"></span>{
<a name="l00216"></a>00216     <span class="keywordflow">return</span> d_data-&gt;renderFlags == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;renderFlags &amp;&amp;
<a name="l00217"></a>00217         d_data-&gt;text == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;text &amp;&amp;
<a name="l00218"></a>00218         d_data-&gt;font == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;font &amp;&amp;
<a name="l00219"></a>00219         d_data-&gt;color == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;color &amp;&amp;
<a name="l00220"></a>00220         d_data-&gt;backgroundPen == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;backgroundPen &amp;&amp;
<a name="l00221"></a>00221         d_data-&gt;backgroundBrush == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;backgroundBrush &amp;&amp;
<a name="l00222"></a>00222         d_data-&gt;paintAttributes == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;paintAttributes &amp;&amp;
<a name="l00223"></a>00223         d_data-&gt;textEngine == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>-&gt;textEngine;
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225 
<a name="l00226"></a><a class="code" href="class_qwt_text.html#00c4cb9954939c78d878865256b8f77c">00226</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#00c4cb9954939c78d878865256b8f77c">QwtText::operator!=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &amp;other) <span class="keyword">const</span> <span class="comment">// invalidate</span>
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228    <span class="keywordflow">return</span> !(other == *<span class="keyword">this</span>);
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230 
<a name="l00237"></a><a class="code" href="class_qwt_text.html#9ba9caa82fcfbc4bfbf8ce20ccea981e">00237</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#9ba9caa82fcfbc4bfbf8ce20ccea981e">QwtText::setText</a>(<span class="keyword">const</span> QString &amp;text, 
<a name="l00238"></a>00238     <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> textFormat) 
<a name="l00239"></a>00239 { 
<a name="l00240"></a>00240     d_data-&gt;text = text; 
<a name="l00241"></a>00241     d_data-&gt;textEngine = <a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>(text, textFormat);
<a name="l00242"></a>00242     d_layoutCache-&gt;invalidate();
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 
<a name="l00249"></a><a class="code" href="class_qwt_text.html#15a42a83153f82bab8cfc283d090d736">00249</a> QString <a class="code" href="class_qwt_text.html#15a42a83153f82bab8cfc283d090d736">QwtText::text</a>()<span class="keyword"> const </span>
<a name="l00250"></a>00250 <span class="keyword"></span>{ 
<a name="l00251"></a>00251     <span class="keywordflow">return</span> d_data-&gt;text; 
<a name="l00252"></a>00252 }
<a name="l00253"></a>00253 
<a name="l00264"></a><a class="code" href="class_qwt_text.html#2e71d427de766455323794f27d369a5d">00264</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#2e71d427de766455323794f27d369a5d">QwtText::setRenderFlags</a>(<span class="keywordtype">int</span> renderFlags) 
<a name="l00265"></a>00265 { 
<a name="l00266"></a>00266     <span class="keywordflow">if</span> ( renderFlags != d_data-&gt;renderFlags )
<a name="l00267"></a>00267     {
<a name="l00268"></a>00268         d_data-&gt;renderFlags = renderFlags; 
<a name="l00269"></a>00269         d_layoutCache-&gt;invalidate();
<a name="l00270"></a>00270     }
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272 
<a name="l00277"></a><a class="code" href="class_qwt_text.html#59c6bf54af867ce5632a07117fe442e1">00277</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#59c6bf54af867ce5632a07117fe442e1">QwtText::renderFlags</a>()<span class="keyword"> const </span>
<a name="l00278"></a>00278 <span class="keyword"></span>{ 
<a name="l00279"></a>00279     <span class="keywordflow">return</span> d_data-&gt;renderFlags; 
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281 
<a name="l00289"></a><a class="code" href="class_qwt_text.html#d071f3c4fae4512a1cc71554d95eb69a">00289</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#d071f3c4fae4512a1cc71554d95eb69a">QwtText::setFont</a>(<span class="keyword">const</span> QFont &amp;font) 
<a name="l00290"></a>00290 {