108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////////////////
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// NoesisGUI - http://www.noesisengine.com
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// Copyright (c) Noesis Technologies S.L. All Rights Reserved.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef __GUI_CROPPEDBITMAP_H__
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#define __GUI_CROPPEDBITMAP_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/BitmapSource.h>
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namespace Noesis
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{
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struct Int32Rect;
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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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/// Provides an image source that crops another BitmapSource.
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///
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/// .. code-block:: xml
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///
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/// <Grid
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/// xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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/// xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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/// xmlns:b="http://schemas.microsoft.com/xaml/behaviors"
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/// xmlns:noesis="clr-namespace:NoesisGUIExtensions;assembly=Noesis.GUI.Extensions">
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/// <Grid.Resources>
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/// <BitmapImage x:Key="aladin" UriSource="aladin.png"/>
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/// <CroppedBitmap x:Key="aladin01" Source="{StaticResource aladin}" SourceRect="145,58,33,54"/>
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/// </Grid.Resources>
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/// <Image Source="{StaticResource aladin01}"/>
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/// </Grid>
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///
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/// https://docs.microsoft.com/en-us/dotnet/api/system.windows.media.imaging.croppedbitmap
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API CroppedBitmap: public BitmapSource
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{
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public:
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CroppedBitmap();
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CroppedBitmap(BitmapSource* source, const Int32Rect& sourceRect);
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~CroppedBitmap();
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/// Gets or sets the source for the bitmap
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//@{
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BitmapSource* GetSource() const;
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void SetSource(BitmapSource* source);
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//@}
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/// Gets or sets the rectangular area that the bitmap is cropped to. If SourceRect is set to
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/// the Empty rectangle it will render the entire image. The default is Empty.
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//@{
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const Int32Rect& GetSourceRect() const;
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void SetSourceRect(const Int32Rect& sourceRect);
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//@}
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/// From Freezable
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//@{
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Ptr<CroppedBitmap> Clone() const;
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Ptr<CroppedBitmap> CloneCurrentValue() const;
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//@}
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public:
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static const DependencyProperty* SourceProperty;
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static const DependencyProperty* SourceRectProperty;
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private:
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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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void UnregisterRenderer(ViewId viewId) 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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bool OnSubPropertyChanged(const DependencyProperty* dp) override;
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//@}
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/// From BitmapSource
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//@{
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float GetDpiXCore() const override;
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float GetDpiYCore() const override;
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int32_t GetPixelWidthCore() const override;
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int32_t GetPixelHeightCore() const override;
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//@}
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private:
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ProxyFlags mUpdateFlags;
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NS_DECLARE_REFLECTION(CroppedBitmap, BitmapSource)
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};
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NS_WARNING_POP
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}
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#endif
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