108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////////////////
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// NoesisGUI - http://www.noesisengine.com
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// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef __GUI_ELLIPSEGEOMETRY_H__
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#define __GUI_ELLIPSEGEOMETRY_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/Geometry.h>
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namespace Noesis
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{
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struct Point;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Represents the geometry of a circle or ellipse.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.media.ellipsegeometry.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API EllipseGeometry final: public Geometry
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{
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public:
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EllipseGeometry();
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EllipseGeometry(const Point& center, float rX, float rY);
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/// Gets or sets the center point
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//@{
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const Point& GetCenter() const;
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void SetCenter(const Point& center);
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//@}
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/// Gets or sets the x-radius value
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//@{
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float GetRadiusX() const;
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void SetRadiusX(float value);
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//@}
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/// Gets or sets the y-radius value
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//@{
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float GetRadiusY() const;
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void SetRadiusY(float value);
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//@}
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/// From Geometry
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//@{
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bool IsEmpty() const override;
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//@}
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// Hides Freezable methods for convenience
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//@{
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Ptr<EllipseGeometry> Clone() const;
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Ptr<EllipseGeometry> CloneCurrentValue() const;
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//@}
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/// From IRenderProxyCreator
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//@{
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void CreateRenderProxy(RenderTreeUpdater& updater, uint32_t proxyIndex) override;
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void UpdateRenderProxy(RenderTreeUpdater& updater, uint32_t proxyIndex) override;
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//@}
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public:
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/// Dependency properties
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//@{
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static const DependencyProperty* CenterProperty;
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static const DependencyProperty* RadiusXProperty;
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static const DependencyProperty* RadiusYProperty;
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//@}
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protected:
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/// From DependencyObject
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//@{
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bool OnPropertyChanged(const DependencyPropertyChangedEventArgs& args) override;
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//@}
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/// From Freezable
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//@{
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Ptr<Freezable> CreateInstanceCore() const override;
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//@}
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/// From Geometry
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//@{
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Rect GetRenderBoundsOverride(Pen* pen) const override;
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bool FillContainsOverride(const Point& point) const override;
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bool StrokeContainsOverride(Pen* pen, const Point& point) const override;
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//@}
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private:
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enum UpdateFlags
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{
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UpdateFlags_Center = Geometry::UpdateFlags_Sentinel,
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UpdateFlags_RadiusX,
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UpdateFlags_RadiusY
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};
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NS_DECLARE_REFLECTION(EllipseGeometry, Geometry)
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};
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}
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#endif
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