89 lines
2.4 KiB
C
89 lines
2.4 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_DYNAMICTEXTURESOURCE_H__
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#define __GUI_DYNAMICTEXTURESOURCE_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/ImageSource.h>
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namespace Noesis
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{
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class Texture;
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class RenderDevice;
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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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/// Defines an ImageSource implementation based on a dynamic texture.
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///
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/// Dynamic textures are regenerated per frame. On each frame, this class will invoke the given
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/// callback to get a new texture. The callback is always invoked from the render thread.
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///
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/// This source is appropriate for dynamic content like Video.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API DynamicTextureSource: public ImageSource
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{
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public:
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typedef Texture* (*TextureRenderCallback)(RenderDevice* device, void* user);
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DynamicTextureSource(uint32_t width, uint32_t height, TextureRenderCallback callback, void* user);
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~DynamicTextureSource();
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/// Resizes the dynamic texture
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void Resize(uint32_t width, uint32_t height);
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/// Gets the width of the texture in pixels
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/// \prop
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uint32_t GetPixelWidth() const;
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/// Gets the height of the texture in pixels
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/// \prop
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uint32_t GetPixelHeight() const;
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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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//@}
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/// From ImageSource
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//@{
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float GetWidthCore() const override;
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float GetHeightCore() const override;
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//@}
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private:
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ProxyFlags mUpdateFlags;
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TextureRenderCallback mCallback;
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void* mUser;
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uint32_t mPixelWidth;
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uint32_t mPixelHeight;
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NS_DECLARE_REFLECTION(DynamicTextureSource, ImageSource)
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};
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NS_WARNING_POP
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}
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#endif
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