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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Wt examples: PaintExample Class Reference</title>
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<h1>PaintExample Class Reference</h1><!-- doxytag: class="PaintExample" --><!-- doxytag: inherits="Wt::WContainerWidget" --><code>#include <<a class="el" href="PaintExample_8h-source.html">PaintExample.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for PaintExample:</div>
<div class="dynsection">
<p><center><img src="classPaintExample__inherit__graph.png" border="0" usemap="#PaintExample__inherit__map" alt="Inheritance graph"></center>
<map name="PaintExample__inherit__map">
<area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html" title="Wt::WContainerWidget" alt="" coords="5,304,157,331"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WInteractWidget.html" title="Wt::WInteractWidget" alt="" coords="11,229,152,256"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html" title="Wt::WWebWidget" alt="" coords="20,155,143,181"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWidget.html" title="Wt::WWidget" alt="" coords="33,80,129,107"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WObject.html" title="Wt::WObject" alt="" coords="33,5,129,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classPaintExample-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classPaintExample.html#0cfbaaa0059b499b578b91e329b4dd15">PaintExample</a> (<a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> *root, bool showTitle=true)</td></tr>
<tr><td colspan="2"><br><h2>Private Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPaintExample.html#09f675b9dc2cd9c4b7272f687135a28a">rotateShape</a> (int v)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classPaintExample.html#aa524597bf1b0f0eb24a7def16c8c8d9">scaleShape</a> (int v)</td></tr>
<tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="classShapesWidget.html">ShapesWidget</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<p>Definition at line <a class="el" href="PaintExample_8h-source.html#l00017">17</a> of file <a class="el" href="PaintExample_8h-source.html">PaintExample.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="0cfbaaa0059b499b578b91e329b4dd15"></a><!-- doxytag: member="PaintExample::PaintExample" ref="0cfbaaa0059b499b578b91e329b4dd15" args="(WContainerWidget *root, bool showTitle=true)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">PaintExample::PaintExample </td>
<td>(</td>
<td class="paramtype"><a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> * </td>
<td class="paramname"> <em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>showTitle</em> = <code>true</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<p>Definition at line <a class="el" href="PaintExample_8C-source.html#l00017">17</a> of file <a class="el" href="PaintExample_8C-source.html">PaintExample.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00018"></a>00018 : <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>(root)
<a name="l00019"></a>00019 {
<a name="l00020"></a>00020 std::string text;
<a name="l00021"></a>00021 <span class="keywordflow">if</span> (showTitle)
<a name="l00022"></a>00022 text += <span class="stringliteral">"<h2>Paint example</h2>"</span>;
<a name="l00023"></a>00023
<a name="l00024"></a>00024 text +=
<a name="l00025"></a>00025 <span class="stringliteral">"<p>A simple example demonstrating cross-browser vector graphics."</span>
<a name="l00026"></a>00026 <span class="stringliteral">"</p>"</span>
<a name="l00027"></a>00027 <span class="stringliteral">"<p>The emweb logo below is painted using the Wt WPainter API from "</span>
<a name="l00028"></a>00028 <span class="stringliteral">"bezier paths, and rendered to the browser using inline SVG, inline VML "</span>
<a name="l00029"></a>00029 <span class="stringliteral">"or the HTML 5 &lt;canvas&gt; element."</span>
<a name="l00030"></a>00030 <span class="stringliteral">"</p>"</span>
<a name="l00031"></a>00031 <span class="stringliteral">"<p>"</span>
<a name="l00032"></a>00032 <span class="stringliteral">"The example also demonstrates the horizontal and vertical "</span>
<a name="l00033"></a>00033 <span class="stringliteral">"<a href=\"http://www.webtoolkit.eu/wt/doc/reference/html/classWt_1_1WSlider.html\" target=\"_blank\">"</span>
<a name="l00034"></a>00034 <span class="stringliteral">"WSlider</a> widgets (which are rendered using vector graphics). Here, "</span>
<a name="l00035"></a>00035 <span class="stringliteral">"the events of the WSlider widgets are used to scale and rotate the "</span>
<a name="l00036"></a>00036 <span class="stringliteral">"emweb logo."</span>
<a name="l00037"></a>00037 <span class="stringliteral">"</p>"</span>
<a name="l00038"></a>00038 <span class="stringliteral">"<p>"</span>
<a name="l00039"></a>00039 <span class="stringliteral">"In non-IE browsers, a different backend is used for positive or negative "</span>
<a name="l00040"></a>00040 <span class="stringliteral">"angles (SVG or HTML canvas)."</span>
<a name="l00041"></a>00041 <span class="stringliteral">"</p>"</span>;
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WText.html">WText</a>(text, <span class="keyword">this</span>);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html">WContainerWidget</a> *<a class="code" href="ShapesWidget_8C.html#1f99bce3aa891c2a6728449a32c906e1">emweb</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#520ba6e52a36a7f2efbef1a31a69e898">WContainerWidget</a>(<span class="keyword">this</span>);
<a name="l00046"></a>00046 emweb-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WWebWidget.html#07719d06da0dd17af2381c663e8fb0b7">setMargin</a>(WLength::Auto, Left | Right);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WGridLayout.html">WGridLayout</a> *<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#faba82a27836f4a82bab48e8b26ccca2">layout</a> = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WGridLayout.html">WGridLayout</a>();
<a name="l00049"></a>00049 emweb-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WContainerWidget.html#1c84e0ffe330d4798f0ce217f75be08c">setLayout</a>(layout, AlignCenter | AlignTop);
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html">WSlider</a> *scaleSlider = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html">WSlider</a>(Horizontal);
<a name="l00052"></a>00052 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#ea0dad399f79f2014dbd3f06d7cdd6d0">setMinimum</a>(0);
<a name="l00053"></a>00053 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#e1fcddb363795d572da2ae68362771e5">setMaximum</a>(20);
<a name="l00054"></a>00054 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#fc41362dafd1f53f4d0d52385c04d40c">setValue</a>(10);
<a name="l00055"></a>00055 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#3497303ace2820b3bd457119cec35411">setTickInterval</a>(5);
<a name="l00056"></a>00056 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#58e4a2a02c31b47040d35d646ad2ec0b">setTickPosition</a>(WSlider::TicksBothSides);
<a name="l00057"></a>00057 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#b2c74e01222219a65b799cd78800a114">resize</a>(300, 50);
<a name="l00058"></a>00058 scaleSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#c7257988652fc39910b1088cf02ecc5a">sliderMoved</a>().connect(SLOT(<span class="keyword">this</span>, <a class="code" href="classPaintExample.html#aa524597bf1b0f0eb24a7def16c8c8d9">PaintExample::scaleShape</a>));
<a name="l00059"></a>00059
<a name="l00060"></a>00060 layout-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WGridLayout.html#6e64afee237de5665fcd014f407130b2">addWidget</a>(scaleSlider, 0, 1, AlignCenter | AlignMiddle);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html">WSlider</a> *rotateSlider = <span class="keyword">new</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html">WSlider</a>(Vertical);
<a name="l00063"></a>00063 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#ea0dad399f79f2014dbd3f06d7cdd6d0">setMinimum</a>(-30);
<a name="l00064"></a>00064 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#e1fcddb363795d572da2ae68362771e5">setMaximum</a>(30);
<a name="l00065"></a>00065 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#fc41362dafd1f53f4d0d52385c04d40c">setValue</a>(0);
<a name="l00066"></a>00066 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#3497303ace2820b3bd457119cec35411">setTickInterval</a>(10);
<a name="l00067"></a>00067 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#58e4a2a02c31b47040d35d646ad2ec0b">setTickPosition</a>(WSlider::TicksBothSides);
<a name="l00068"></a>00068 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#b2c74e01222219a65b799cd78800a114">resize</a>(50, 400);
<a name="l00069"></a>00069 rotateSlider-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WSlider.html#c7257988652fc39910b1088cf02ecc5a">sliderMoved</a>().connect(SLOT(<span class="keyword">this</span>, <a class="code" href="classPaintExample.html#09f675b9dc2cd9c4b7272f687135a28a">PaintExample::rotateShape</a>));
<a name="l00070"></a>00070
<a name="l00071"></a>00071 layout-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WGridLayout.html#6e64afee237de5665fcd014f407130b2">addWidget</a>(rotateSlider, 1, 0, AlignCenter | AlignMiddle);
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a> = <span class="keyword">new</span> <a class="code" href="classShapesWidget.html">ShapesWidget</a>();
<a name="l00074"></a>00074 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>-><a class="code" href="classShapesWidget.html#4f089bb4237e928bf5a0f485848456a1">setAngle</a>(0.0);
<a name="l00075"></a>00075 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>-><a class="code" href="classShapesWidget.html#f2342542ef4b88d14d2c28be5beece31">setRelativeSize</a>(0.5);
<a name="l00076"></a>00076 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WPaintedWidget.html#2a3a3be8b9a8c6d56fad4b64b370fdd4">setPreferredMethod</a>(WPaintedWidget::InlineSvgVml);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 layout-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WGridLayout.html#6e64afee237de5665fcd014f407130b2">addWidget</a>(<a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>, 1, 1, AlignCenter | AlignMiddle);
<a name="l00079"></a>00079 }
</pre></div>
<p>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="09f675b9dc2cd9c4b7272f687135a28a"></a><!-- doxytag: member="PaintExample::rotateShape" ref="09f675b9dc2cd9c4b7272f687135a28a" args="(int v)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void PaintExample::rotateShape </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>v</em> </td>
<td> ) </td>
<td><code> [private]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<p>Definition at line <a class="el" href="PaintExample_8C-source.html#l00081">81</a> of file <a class="el" href="PaintExample_8C-source.html">PaintExample.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>-><a class="code" href="classShapesWidget.html#4f089bb4237e928bf5a0f485848456a1">setAngle</a>(v / 2.0);
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="comment">// Being silly: test alternate rendering method</span>
<a name="l00086"></a>00086 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>-><a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WPaintedWidget.html#2a3a3be8b9a8c6d56fad4b64b370fdd4">setPreferredMethod</a>(v < 0 ? WPaintedWidget::InlineSvgVml
<a name="l00087"></a>00087 : WPaintedWidget::HtmlCanvas);
<a name="l00088"></a>00088 }
</pre></div>
<p>
</div>
</div><p>
<a class="anchor" name="aa524597bf1b0f0eb24a7def16c8c8d9"></a><!-- doxytag: member="PaintExample::scaleShape" ref="aa524597bf1b0f0eb24a7def16c8c8d9" args="(int v)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void PaintExample::scaleShape </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>v</em> </td>
<td> ) </td>
<td><code> [private]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<p>Definition at line <a class="el" href="PaintExample_8C-source.html#l00090">90</a> of file <a class="el" href="PaintExample_8C-source.html">PaintExample.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <a class="code" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">shapes_</a>-><a class="code" href="classShapesWidget.html#f2342542ef4b88d14d2c28be5beece31">setRelativeSize</a>(0.1 + 0.9 * (v/20.0));
<a name="l00093"></a>00093 }
</pre></div>
<p>
</div>
</div><p>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="4c67f63f963223828f21a283dbfff0e1"></a><!-- doxytag: member="PaintExample::shapes_" ref="4c67f63f963223828f21a283dbfff0e1" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classShapesWidget.html">ShapesWidget</a>* <a class="el" href="classPaintExample.html#4c67f63f963223828f21a283dbfff0e1">PaintExample::shapes_</a><code> [private]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
<p>Definition at line <a class="el" href="PaintExample_8h-source.html#l00023">23</a> of file <a class="el" href="PaintExample_8h-source.html">PaintExample.h</a>.</p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following files:<ul>
<li>/home/koen/project/wt/public-git/wt/examples/painting/<a class="el" href="PaintExample_8h-source.html">PaintExample.h</a><li>/home/koen/project/wt/public-git/wt/examples/painting/<a class="el" href="PaintExample_8C-source.html">PaintExample.C</a></ul>
</div>
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</body>
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