85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
// Copyright (C) 2002-2009 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __C_IMAGE_LOADER_PSD_H_INCLUDED__
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#define __C_IMAGE_LOADER_PSD_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_PSD_LOADER_
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#include "IImageLoader.h"
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namespace irr
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{
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namespace video
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{
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// byte-align structures
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#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
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# pragma pack( push, packing )
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# pragma pack( 1 )
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# define PACK_STRUCT
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#elif defined( __GNUC__ )
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# define PACK_STRUCT __attribute__((packed))
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#else
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# error compiler not supported
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#endif
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struct PsdHeader
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{
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c8 signature [4]; // Always equal to 8BPS.
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u16 version; // Always equal to 1
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c8 reserved [6]; // Must be zero
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u16 channels; // Number of any channels inc. alphas
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u32 height; // Rows Height of image in pixel
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u32 width; // Colums Width of image in pixel
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u16 depth; // Bits/channel
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u16 mode; // Color mode of the file (Bitmap/Grayscale..)
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} PACK_STRUCT;
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// Default alignment
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#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
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# pragma pack( pop, packing )
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#endif
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#undef PACK_STRUCT
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/*!
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Surface Loader for psd images
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*/
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class CImageLoaderPSD : public IImageLoader
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{
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public:
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//! constructor
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CImageLoaderPSD();
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//! returns true if the file maybe is able to be loaded by this class
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//! based on the file extension (e.g. ".tga")
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virtual bool isALoadableFileExtension(const io::path& filename) const;
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//! returns true if the file maybe is able to be loaded by this class
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virtual bool isALoadableFileFormat(io::IReadFile* file) const;
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//! creates a surface from the file
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virtual IImage* loadImage(io::IReadFile* file) const;
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private:
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bool readRawImageData(io::IReadFile* file, const PsdHeader& header, u32* imageData) const;
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bool readRLEImageData(io::IReadFile* file, const PsdHeader& header, u32* imageData) const;
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s16 getShiftFromChannel(c8 channelNr, const PsdHeader& header) const;
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};
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} // end namespace video
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} // end namespace irr
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#endif
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#endif
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