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  <meta name="description" content="API docs for the TouchPainter class from the TouchPainter library, for the Dart programming language.">
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  <div class="col-xs-6 col-sm-3 col-md-2 sidebar sidebar-offcanvas-left">
    <h5>TouchPainter library</h5>
    <ol>
      <li class="section-title"><a href="ui_home_TouchPainter/ui_home_TouchPainter-library.html#classes">Classes</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter-class.html">TouchPainter</a></li>
    
    
      <li class="section-title"><a href="ui_home_TouchPainter/ui_home_TouchPainter-library.html#functions">Functions</a></li>
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  <div class="col-xs-12 col-sm-9 col-md-8 main-content">
      <h1>TouchPainter class </h1>

    
    <section class="summary offset-anchor" id="constructors">
      <h2>Constructors</h2>

      <dl class="constructor-summary-list">
        <dt id="TouchPainter" class="callable">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/TouchPainter.html">TouchPainter</a></span><span class="signature">(<span class="parameter" id="-param-context"><span class="type-annotation">BuildContext</span> <span class="parameter-name">context</span>, </span> <span class="parameter" id="-param-touchCollection"><span class="type-annotation">Map<span class="signature">&lt;<wbr><span class="type-parameter"><a href="model_touchData/TouchData-class.html">TouchData</a></span>, <span class="type-parameter">Color</span>&gt;</span></span> <span class="parameter-name">touchCollection</span></span>)</span>
        </dt>
        <dd>
          
        </dd>
      </dl>
    </section>

    <section class="summary offset-anchor" id="instance-properties">
      <h2>Properties</h2>

      <dl class="properties">
        <dt id="context" class="property">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/context.html">context</a></span>
          <span class="signature">&#8596; BuildContext</span> 
        </dt>
        <dd>
          
          <div class="features">read / write</div>
</dd>
        <dt id="touchCollection" class="property">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/touchCollection.html">touchCollection</a></span>
          <span class="signature">&#8596; Map<span class="signature">&lt;<wbr><span class="type-parameter"><a href="model_touchData/TouchData-class.html">TouchData</a></span>, <span class="type-parameter">Color</span>&gt;</span></span> 
        </dt>
        <dd>
          
          <div class="features">read / write</div>
</dd>
        <dt id="width" class="property">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/width.html">width</a></span>
          <span class="signature">&#8596; double</span> 
        </dt>
        <dd>
          
          <div class="features">read / write</div>
</dd>
        <dt id="hashCode" class="property inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/hashCode.html">hashCode</a></span>
          <span class="signature">&#8594; int</span> 
        </dt>
        <dd class="inherited">
          The hash code for this object. <a href="ui_home_TouchPainter/TouchPainter/hashCode.html">[...]</a>
          <div class="features">read-only, inherited</div>
</dd>
        <dt id="runtimeType" class="property inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/runtimeType.html">runtimeType</a></span>
          <span class="signature">&#8594; Type</span> 
        </dt>
        <dd class="inherited">
          A representation of the runtime type of the object.
          <div class="features">read-only, inherited</div>
</dd>
        <dt id="semanticsBuilder" class="property inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/semanticsBuilder.html">semanticsBuilder</a></span>
          <span class="signature">&#8594; SemanticsBuilderCallback</span> 
        </dt>
        <dd class="inherited">
          Returns a function that builds semantic information for the picture drawn
by this painter. <a href="ui_home_TouchPainter/TouchPainter/semanticsBuilder.html">[...]</a>
          <div class="features">read-only, inherited</div>
</dd>
      </dl>
    </section>

    <section class="summary offset-anchor" id="instance-methods">
      <h2>Methods</h2>
      <dl class="callables">
        <dt id="paint" class="callable">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/paint.html">paint</a></span><span class="signature">(<wbr><span class="parameter" id="paint-param-canvas"><span class="type-annotation">Canvas</span> <span class="parameter-name">canvas</span>, </span> <span class="parameter" id="paint-param-size"><span class="type-annotation">Size</span> <span class="parameter-name">size</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
          </dt>
        <dd>
          Called whenever the object needs to paint. The given <code>Canvas</code> has its
coordinate space configured such that the origin is at the top left of the
box. The area of the box is the size of the <code>size</code> argument. <a href="ui_home_TouchPainter/TouchPainter/paint.html">[...]</a>
          
</dd>
        <dt id="shouldRepaint" class="callable">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/shouldRepaint.html">shouldRepaint</a></span><span class="signature">(<wbr><span class="parameter" id="shouldRepaint-param-oldDelegate"><span>covariant</span> <span class="type-annotation">CustomPainter</span> <span class="parameter-name">oldDelegate</span></span>)
            <span class="returntype parameter">&#8594; bool</span>
          </span>
          </dt>
        <dd>
          Called whenever a new instance of the custom painter delegate class is
provided to the <code>RenderCustomPaint</code> object, or any time that a new
<code>CustomPaint</code> object is created with a new instance of the custom painter
delegate class (which amounts to the same thing, because the latter is
implemented in terms of the former). <a href="ui_home_TouchPainter/TouchPainter/shouldRepaint.html">[...]</a>
          
</dd>
        <dt id="addListener" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/addListener.html">addListener</a></span><span class="signature">(<wbr><span class="parameter" id="addListener-param-listener"><span class="type-annotation">VoidCallback</span> <span class="parameter-name">listener</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
          </dt>
        <dd class="inherited">
          Register a closure to be notified when it is time to repaint. <a href="ui_home_TouchPainter/TouchPainter/addListener.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="hitTest" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/hitTest.html">hitTest</a></span><span class="signature">(<wbr><span class="parameter" id="hitTest-param-position"><span class="type-annotation">Offset</span> <span class="parameter-name">position</span></span>)
            <span class="returntype parameter">&#8594; bool</span>
          </span>
          </dt>
        <dd class="inherited">
          Called whenever a hit test is being performed on an object that is using
this custom paint delegate. <a href="ui_home_TouchPainter/TouchPainter/hitTest.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="noSuchMethod" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/noSuchMethod.html">noSuchMethod</a></span><span class="signature">(<wbr><span class="parameter" id="noSuchMethod-param-invocation"><span class="type-annotation">Invocation</span> <span class="parameter-name">invocation</span></span>)
            <span class="returntype parameter">&#8594; dynamic</span>
          </span>
          </dt>
        <dd class="inherited">
          Invoked when a non-existent method or property is accessed. <a href="ui_home_TouchPainter/TouchPainter/noSuchMethod.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="removeListener" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/removeListener.html">removeListener</a></span><span class="signature">(<wbr><span class="parameter" id="removeListener-param-listener"><span class="type-annotation">VoidCallback</span> <span class="parameter-name">listener</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
          </dt>
        <dd class="inherited">
          Remove a previously registered closure from the list of closures that the
object notifies when it is time to repaint. <a href="ui_home_TouchPainter/TouchPainter/removeListener.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="shouldRebuildSemantics" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/shouldRebuildSemantics.html">shouldRebuildSemantics</a></span><span class="signature">(<wbr><span class="parameter" id="shouldRebuildSemantics-param-oldDelegate"><span>covariant</span> <span class="type-annotation">CustomPainter</span> <span class="parameter-name">oldDelegate</span></span>)
            <span class="returntype parameter">&#8594; bool</span>
          </span>
          </dt>
        <dd class="inherited">
          Called whenever a new instance of the custom painter delegate class is
provided to the <code>RenderCustomPaint</code> object, or any time that a new
<code>CustomPaint</code> object is created with a new instance of the custom painter
delegate class (which amounts to the same thing, because the latter is
implemented in terms of the former). <a href="ui_home_TouchPainter/TouchPainter/shouldRebuildSemantics.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="toString" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/toString.html">toString</a></span><span class="signature">(<wbr>)
            <span class="returntype parameter">&#8594; String</span>
          </span>
          </dt>
        <dd class="inherited">
          Returns a string representation of this object.
          <div class="features">inherited</div>
</dd>
      </dl>
    </section>

    <section class="summary offset-anchor inherited" id="operators">
      <h2>Operators</h2>
      <dl class="callables">
        <dt id="operator ==" class="callable inherited">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/operator_equals.html">operator ==</a></span><span class="signature">(<wbr><span class="parameter" id="==-param-other"><span class="type-annotation">dynamic</span> <span class="parameter-name">other</span></span>)
            <span class="returntype parameter">&#8594; bool</span>
          </span>
          </dt>
        <dd class="inherited">
          The equality operator. <a href="ui_home_TouchPainter/TouchPainter/operator_equals.html">[...]</a>
          <div class="features">inherited</div>
</dd>
      </dl>
    </section>

    <section class="summary offset-anchor" id="static-properties">
      <h2>Static Properties</h2>

      <dl class="properties">
        <dt id="buttonPressed" class="property">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/buttonPressed.html">buttonPressed</a></span>
          <span class="signature">&#8596; List<span class="signature">&lt;<wbr><span class="type-parameter">bool</span>&gt;</span></span> 
        </dt>
        <dd>
          
          <div class="features">read / write</div>
</dd>
        <dt id="buttonReleased" class="property">
          <span class="name"><a href="ui_home_TouchPainter/TouchPainter/buttonReleased.html">buttonReleased</a></span>
          <span class="signature">&#8596; List<span class="signature">&lt;<wbr><span class="type-parameter">bool</span>&gt;</span></span> 
        </dt>
        <dd>
          
          <div class="features">read / write</div>
</dd>
      </dl>
    </section>


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    <ol>
      <li class="section-title"><a href="ui_home_TouchPainter/TouchPainter-class.html#constructors">Constructors</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/TouchPainter.html">TouchPainter</a></li>
    
      <li class="section-title">
        <a href="ui_home_TouchPainter/TouchPainter-class.html#instance-properties">Properties</a>
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      <li><a href="ui_home_TouchPainter/TouchPainter/context.html">context</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/touchCollection.html">touchCollection</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/width.html">width</a></li>
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      <li class="section-title"><a href="ui_home_TouchPainter/TouchPainter-class.html#instance-methods">Methods</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/paint.html">paint</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/shouldRepaint.html">shouldRepaint</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/addListener.html">addListener</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/hitTest.html">hitTest</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/noSuchMethod.html">noSuchMethod</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/removeListener.html">removeListener</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/shouldRebuildSemantics.html">shouldRebuildSemantics</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/toString.html">toString</a></li>
    
      <li class="section-title inherited"><a href="ui_home_TouchPainter/TouchPainter-class.html#operators">Operators</a></li>
      <li class="inherited"><a href="ui_home_TouchPainter/TouchPainter/operator_equals.html">operator ==</a></li>
    
      <li class="section-title"><a href="ui_home_TouchPainter/TouchPainter-class.html#static-properties">Static properties</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/buttonPressed.html">buttonPressed</a></li>
      <li><a href="ui_home_TouchPainter/TouchPainter/buttonReleased.html">buttonReleased</a></li>
    
    
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