124 lines
3.3 KiB
C++
124 lines
3.3 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_PATH_H__
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#define __GUI_PATH_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/Shape.h>
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#include <NsGui/MatrixTransform.h>
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namespace Noesis
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{
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class Geometry;
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class GeometryGroup;
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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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/// Draws a series of connected lines and curves.
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///
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/// The Path object can draw closed or open shapes, multiple shapes, and even curved shapes. Unlike
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/// the Line and Polyline objects, you can use this object to draw curves.
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///
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/// The following example shows how to create a Path element and set its properties by using code.
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///
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/// .. code-block:: c++
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/// :caption: C++
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///
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/// // Geometry
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/// Ptr<StreamGeometry> geometry = MakePtr<StreamGeometry()>;
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///
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/// StreamGeometryContext context = geometry->Open();
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/// context.BeginFigure(Point(260.0f, 200.0f), true);
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/// context.ArcTo(Point(140.0f, 200.0f), Size(60.0f, 60.0f), 0, false, true);
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/// context.ArcTo(Point(260.0f, 200.0f), Size(60.0f, 60.0f), 0, false, true);
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/// context.Close();
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///
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/// // Path
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/// Ptr<Path> path = MakePtr<Path>();
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/// Ptr<Brush> red = MakePtr<SolidColorBrush>(Color::Red);
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/// path->SetFill(red);
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/// path->SetData(geometry);
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///
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/// // Root canvas
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/// Ptr<Canvas> root = MakePtr<Canvas()>;
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/// Ptr<Brush> gray = MakePtr<SolidColorBrush>(Color::LightGray);
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/// root->SetBackground(gray);
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/// root->GetChildren()->Add(path);
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///
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/// .. code-block:: xml
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/// :caption: XAML
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///
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/// <StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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/// VerticalAlignment="Center">
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/// <Path Fill="Orange" Stroke="Black" StrokeThickness="10"
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/// Data="M 80,200 A 100,50 45 1 0 100,50 Z"/>
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/// </StackPanel>
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.shapes.path.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API Path final: public Shape
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{
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public:
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Path();
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~Path();
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/// Gets or sets the geometry that specifies the shape to be drawn
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//@{
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Geometry* GetData() const;
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void SetData(Geometry* data);
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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* DataProperty;
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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 UIElement
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//@{
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void OnRender(DrawingContext* context) override;
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//@}
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/// From FrameworkElement
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//@{
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Size MeasureOverride(const Size& availableSize) override;
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Size ArrangeOverride(const Size& finalSize) override;
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//@}
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/// From Shape
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//@{
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Geometry* GetRenderGeometry() const override;
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//@}
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private:
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Size GetMinimumSize() const;
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private:
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MatrixTransform mStretchMatrix;
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Ptr<GeometryGroup> mRenderGeometry;
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NS_DECLARE_REFLECTION(Path, Shape)
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};
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NS_WARNING_POP
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}
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#endif
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