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86 lines
2.2 KiB
C++
86 lines
2.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "IcnsImageWrapper.h"
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/* FIcnsImageWrapper structors
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*****************************************************************************/
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FIcnsImageWrapper::FIcnsImageWrapper()
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: FImageWrapperBase()
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{ }
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/* FImageWrapper interface
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*****************************************************************************/
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bool FIcnsImageWrapper::SetCompressed(const void* InCompressedData, int64 InCompressedSize)
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{
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#if PLATFORM_MAC
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return FImageWrapperBase::SetCompressed(InCompressedData, InCompressedSize);
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#else
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return false;
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#endif
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}
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bool FIcnsImageWrapper::SetRaw(const void* InRawData, int64 InRawSize, const int32 InWidth, const int32 InHeight, const ERGBFormat InFormat, const int32 InBitDepth, const int32 InBytesPerRow)
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{
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// Only support tightly packed
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check(InBytesPerRow == 0);
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#if PLATFORM_MAC
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return FImageWrapperBase::SetRaw(InRawData, InRawSize, InWidth, InHeight, InFormat, InBitDepth, InBytesPerRow);
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#else
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return false;
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#endif
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}
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void FIcnsImageWrapper::Compress(int32 Quality)
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{
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checkf(false, TEXT("ICNS compression not supported"));
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}
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void FIcnsImageWrapper::Uncompress(const ERGBFormat InFormat, const int32 InBitDepth)
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{
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#if PLATFORM_MAC
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SCOPED_AUTORELEASE_POOL;
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NSData* ImageData = [NSData dataWithBytesNoCopy:CompressedData.GetData() length:CompressedData.Num() freeWhenDone:NO];
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NSImage* Image = [[NSImage alloc] initWithData:ImageData];
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if (Image)
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{
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NSBitmapImageRep* Bitmap = [NSBitmapImageRep imageRepWithData:[Image TIFFRepresentation]];
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if (Bitmap)
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{
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check(InFormat == ERGBFormat::BGRA || InFormat == ERGBFormat::RGBA);
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check(InBitDepth == 8);
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RawData.Empty();
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RawData.Append([Bitmap bitmapData], [Bitmap bytesPerPlane]);
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RawFormat = Format = InFormat;
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RawBitDepth = BitDepth = InBitDepth;
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Width = [Bitmap pixelsWide];
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Height = [Bitmap pixelsHigh];
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if (Format == ERGBFormat::BGRA)
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{
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for (int64 Index = 0; Index < [Bitmap bytesPerPlane]; Index += 4)
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{
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uint8 Byte = RawData[Index];
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RawData[Index] = RawData[Index + 2];
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RawData[Index + 2] = Byte;
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}
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}
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}
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[Image release];
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}
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#else
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checkf(false, TEXT("ICNS uncompressing not supported on this platform"));
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#endif
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}
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