irrlicht/source/Irrlicht/CImageLoaderPSD.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef IRR_C_IMAGE_LOADER_PSD_H_INCLUDED
#define IRR_C_IMAGE_LOADER_PSD_H_INCLUDED
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_PSD_LOADER_
#include "IImageLoader.h"
namespace irr
{
namespace video
{
// byte-align structures
#include "irrpack.h"
struct PsdHeader
{
c8 signature [4]; // Always equal to 8BPS.
u16 version; // Always equal to 1
c8 reserved [6]; // Must be zero
u16 channels; // Number of any channels inc. alphas
u32 height; // Rows Height of image in pixel
u32 width; // Colums Width of image in pixel
u16 depth; // Bits/channel
u16 mode; // Color mode of the file (Bitmap/Grayscale..)
} PACK_STRUCT;
// Default alignment
#include "irrunpack.h"
/*!
Surface Loader for psd images
*/
class CImageLoaderPSD : public IImageLoader
{
public:
//! constructor
CImageLoaderPSD();
//! returns true if the file maybe is able to be loaded by this class
//! based on the file extension (e.g. ".tga")
virtual bool isALoadableFileExtension(const io::path& filename) const IRR_OVERRIDE;
//! returns true if the file maybe is able to be loaded by this class
virtual bool isALoadableFileFormat(io::IReadFile* file) const IRR_OVERRIDE;
//! creates a surface from the file
virtual IImage* loadImage(io::IReadFile* file) const IRR_OVERRIDE;
private:
bool readRawImageData(io::IReadFile* file, const PsdHeader& header, u32* imageData) const;
bool readRLEImageData(io::IReadFile* file, const PsdHeader& header, u32* imageData) const;
s16 getShiftFromChannel(c8 channelNr, const PsdHeader& header) const;
};
} // end namespace video
} // end namespace irr
#endif
#endif