95 lines
2.0 KiB
C
95 lines
2.0 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_TGA_H_INCLUDED__
|
||
|
|
#define __C_IMAGE_LOADER_TGA_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
|
||
|
|
# define PACK_STRUCT
|
||
|
|
#endif
|
||
|
|
|
||
|
|
// these structs are also used in the TGA writer
|
||
|
|
struct STGAHeader{
|
||
|
|
u8 IdLength;
|
||
|
|
u8 ColorMapType;
|
||
|
|
u8 ImageType;
|
||
|
|
u8 FirstEntryIndex[2];
|
||
|
|
u16 ColorMapLength;
|
||
|
|
u8 ColorMapEntrySize;
|
||
|
|
u8 XOrigin[2];
|
||
|
|
u8 YOrigin[2];
|
||
|
|
u16 ImageWidth;
|
||
|
|
u16 ImageHeight;
|
||
|
|
u8 PixelDepth;
|
||
|
|
u8 ImageDescriptor;
|
||
|
|
} PACK_STRUCT;
|
||
|
|
|
||
|
|
struct STGAFooter
|
||
|
|
{
|
||
|
|
u32 ExtensionOffset;
|
||
|
|
u32 DeveloperOffset;
|
||
|
|
c8 Signature[18];
|
||
|
|
} PACK_STRUCT;
|
||
|
|
|
||
|
|
// Default alignment
|
||
|
|
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined (__BCPLUSPLUS__)
|
||
|
|
# pragma pack( pop, packing )
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#undef PACK_STRUCT
|
||
|
|
|
||
|
|
/*!
|
||
|
|
Surface Loader for targa images
|
||
|
|
*/
|
||
|
|
class CImageLoaderTGA : public IImageLoader
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
//! constructor
|
||
|
|
CImageLoaderTGA();
|
||
|
|
|
||
|
|
//! destructor
|
||
|
|
virtual ~CImageLoaderTGA();
|
||
|
|
|
||
|
|
//! 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:
|
||
|
|
|
||
|
|
//! loads a compressed tga. Was written and sent in by Jon Pry, thank you very much!
|
||
|
|
u8* loadCompressedImage(irr::io::IReadFile *file, const STGAHeader& header);
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // end namespace video
|
||
|
|
} // end namespace irr
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|