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99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "Containers/EnumAsByte.h"
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#include "Engine/Texture.h"
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#include "Math/Color.h"
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#include "Math/IntPoint.h"
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#include "Misc/Timespan.h"
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#include "Templates/SharedPointer.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/ScriptMacros.h"
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#include "WebBrowserTextureSample.h"
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#include "WebBrowserTexture.generated.h"
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/**
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* Implements a texture asset for rendering webbrowser output for Android.
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*/
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UCLASS(hidecategories = (Adjustments, Compositing, LevelOfDetail, Object))
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class WEBBROWSERTEXTURE_API UWebBrowserTexture
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: public UTexture
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{
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GENERATED_UCLASS_BODY()
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/** The addressing mode to use for the X axis. */
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TEnumAsByte<TextureAddress> AddressX;
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/** The addressing mode to use for the Y axis. */
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TEnumAsByte<TextureAddress> AddressY;
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/** Whether to clear the texture when no media is being played (default = enabled). */
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bool AutoClear;
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/** The color used to clear the texture if AutoClear is enabled (default = black). */
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FLinearColor ClearColor;
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public:
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/**
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* Gets the current aspect ratio of the texture.
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*
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* @return Texture aspect ratio.
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* @see GetHeight, GetWidth
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*/
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float GetAspectRatio() const;
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/**
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* Gets the current height of the texture.
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*
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* @return Texture height (in pixels).
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* @see GetAspectRatio, GetWidth
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*/
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int32 GetHeight() const;
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/**
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* Gets the current width of the texture.
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*
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* @return Texture width (in pixels).
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* @see GetAspectRatio, GetHeight
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*/
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int32 GetWidth() const;
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public:
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//~ UTexture interface.
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virtual void BeginDestroy() override;
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virtual FTextureResource* CreateResource() override;
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virtual EMaterialValueType GetMaterialType() const override;
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virtual float GetSurfaceWidth() const override;
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virtual float GetSurfaceHeight() const override;
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virtual FGuid GetExternalTextureGuid() const override;
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public:
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//~ UObject interface.
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virtual FString GetDesc() override;
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virtual void GetResourceSizeEx(FResourceSizeEx& CumulativeResourceSize) override;
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void TickResource(TSharedPtr<FWebBrowserTextureSample, ESPMode::ThreadSafe> Sample);
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void SetExternalTextureGuid(FGuid guid);
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protected:
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/** Unregister the player's external texture GUID. */
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void UnregisterPlayerGuid();
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private:
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/** Current width and height of the resource (in pixels). */
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FIntPoint Dimensions;
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/** The previously used player GUID. */
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FGuid WebPlayerGuid;
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/** Texture sample queue. */
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TSharedPtr<FWebBrowserTextureSampleQueue, ESPMode::ThreadSafe> SampleQueue;
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/** Current size of the resource (in bytes).*/
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SIZE_T Size;
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};
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