123 lines
3.3 KiB
C
123 lines
3.3 KiB
C
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////////////////////////////////////////////////////////////////////////////////////////////////////
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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_GEOMETRYGROUP_H__
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#define __GUI_GEOMETRYGROUP_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 NotifyCollectionChangedEventArgs;
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enum FillRule: int32_t;
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template<class T> class FreezableCollection;
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typedef Noesis::FreezableCollection<Noesis::Geometry> GeometryCollection;
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NS_WARNING_PUSH
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NS_MSVC_WARNING_DISABLE(4251 4275)
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Represents a composite geometry, composed of other Geometry objects.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.media.geometrygroup.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API GeometryGroup final: public Geometry
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{
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public:
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GeometryGroup();
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~GeometryGroup();
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/// Gets or sets the GeometryCollection that contains the objects that define this GeometryGroup
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//@{
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GeometryCollection* GetChildren() const;
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void SetChildren(GeometryCollection* collection);
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//@}
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/// Gets or sets how the intersecting areas of the objects contained in this GeometryGroup are
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/// combined
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//@{
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FillRule GetFillRule() const;
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void SetFillRule(FillRule rule);
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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<GeometryGroup> Clone() const;
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Ptr<GeometryGroup> 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* ChildrenProperty;
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static const DependencyProperty* FillRuleProperty;
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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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bool FreezeCore(bool isChecking) override;
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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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void OnChildrenChanged(BaseComponent* sender, const NotifyCollectionChangedEventArgs& args);
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void RegisterChildren(GeometryCollection* children);
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void RegisterChild(Geometry* child);
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void UnregisterChildren(GeometryCollection* children);
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void UnregisterChild(Geometry* child);
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void OnChildChanged(Freezable* obj, FreezableEventReason reason);
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void DisconnectChildren();
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private:
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enum UpdateFlags
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{
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UpdateFlags_Children = Geometry::UpdateFlags_Sentinel,
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UpdateFlags_FillRule
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};
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NS_DECLARE_REFLECTION(GeometryGroup, Geometry)
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};
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NS_WARNING_POP
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}
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#endif
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