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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/**
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* BMP implementation of the helper class
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*/
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class FBmpImageWrapper
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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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FBmpImageWrapper(bool bInHasHeader = true, bool bInHalfHeight = false);
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public:
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/** Helper function used to uncompress BMP data from a buffer */
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bool UncompressBMPData(const ERGBFormat InFormat, const int32 InBitDepth);
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/**
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* Load the header information, returns true if successful.
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*
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* @return true if successful
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*/
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bool LoadBMPHeader();
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/**
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* Load the sub-header information, returns true if successful.
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*
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* @return true if successful
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*/
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bool LoadBMPInfoHeader(int64 HeaderOffset);
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public:
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//~ FImageWrapper interface
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virtual void Compress(int32 Quality) override;
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virtual void Uncompress(const ERGBFormat InFormat, int32 InBitDepth) override;
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virtual bool SetCompressed(const void* InCompressedData, int64 InCompressedSize) override;
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virtual bool CanSetRawFormat(const ERGBFormat InFormat, const int32 InBitDepth) const override;
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virtual ERawImageFormat::Type GetSupportedRawFormat(const ERawImageFormat::Type InFormat) const override;
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private:
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/** Whether this file has a BMP file header */
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bool bHasHeader;
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/** BMP as a sub-format of ICO stores its height as half their actual size */
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bool bHalfHeight;
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};
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