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This represents UE4/Main up to CL# 14958402 [CL 15028197 by Marc Audy in ue5-main branch]
58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#include "ImageWrapperBase.h"
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#if WITH_UNREALJPEG
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#if WITH_LIBJPEGTURBO
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using tjhandle = void*;
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#endif // WITH_LIBJPEGTURBO
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/**
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* Uncompresses JPEG data to raw 24bit RGB image that can be used by Unreal textures.
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*
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* Source code for JPEG decompression from http://code.google.com/p/jpeg-compressor/
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*/
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class FJpegImageWrapper
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: public FImageWrapperBase
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{
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public:
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/** Default constructor. */
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FJpegImageWrapper(int32 InNumComponents = 4);
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#if WITH_LIBJPEGTURBO
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virtual ~FJpegImageWrapper();
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#endif // WITH_LIBJPEGTURBO
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public:
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//~ FImageWrapperBase interface
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virtual bool SetCompressed(const void* InCompressedData, int64 InCompressedSize) override;
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virtual bool SetRaw(const void* InRawData, int64 InRawSize, const int32 InWidth, const int32 InHeight, const ERGBFormat InFormat, const int32 InBitDepth) override;
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virtual void Uncompress(const ERGBFormat InFormat, int32 InBitDepth) override;
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virtual void Compress(int32 Quality) override;
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#if WITH_LIBJPEGTURBO
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bool SetCompressedTurbo(const void* InCompressedData, int64 InCompressedSize);
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void CompressTurbo(int32 Quality);
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void UncompressTurbo(const ERGBFormat InFormat, int32 InBitDepth);
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#endif // WITH_LIBJPEGTURBO
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private:
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int32 NumComponents;
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#if WITH_LIBJPEGTURBO
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tjhandle Compressor;
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tjhandle Decompressor;
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#endif // WITH_LIBJPEGTURBO
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};
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#endif //WITH_JPEG
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