irrlicht/source/Irrlicht/CImageLoaderPSD.h

90 lines
2.1 KiB
C++

// Copyright (C) 2002-2007 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_IMAGE_LOADER_PSD_H_INCLUDED__
#define __C_IMAGE_LOADER_PSD_H_INCLUDED__
#include "IImageLoader.h"
namespace irr
{
namespace video
{
// byte-align structures
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
# pragma pack( push, packing )
# pragma pack( 1 )
# define PACK_STRUCT
#elif defined( __GNUC__ )
# define PACK_STRUCT __attribute__((packed))
#else
# error compiler not supported
#endif
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
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
# pragma pack( pop, packing )
#endif
#undef PACK_STRUCT
/*!
Surface Loader for psd images
*/
class CImageLoaderPSD : public IImageLoader
{
public:
//! constructor
CImageLoaderPSD();
//! destructor
virtual ~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 c8* fileName);
//! returns true if the file maybe is able to be loaded by this class
virtual bool isALoadableFileFormat(irr::io::IReadFile* file);
//! creates a surface from the file
virtual IImage* loadImage(irr::io::IReadFile* file);
private:
bool readRawImageData(irr::io::IReadFile* file);
bool readRLEImageData(irr::io::IReadFile* file);
s16 getShiftFromChannel(c8 channelNr);
// member variables
u32* imageData;
PsdHeader header;
bool error;
};
} // end namespace video
} // end namespace irr
#endif