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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 __C_IMAGE_LOADER_TGA_H_INCLUDED__
#define __C_IMAGE_LOADER_TGA_H_INCLUDED__
#include "IrrCompileConfig.h"
#include "IImageLoader.h"
namespace irr
{
namespace video
{
#if defined(_IRR_COMPILE_WITH_TGA_LOADER_) || defined(_IRR_COMPILE_WITH_TGA_WRITER_)
// byte-align structures
#include "irrpack.h"
// 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
#include "irrunpack.h"
#endif // compiled with loader or reader
#ifdef _IRR_COMPILE_WITH_TGA_LOADER_
/*!
Surface Loader for targa images
*/
class CImageLoaderTGA : public IImageLoader
{
public:
//! 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;
//! returns true if the file maybe is able to be loaded by this class
virtual bool isALoadableFileFormat(io::IReadFile* file) const;
//! creates a surface from the file
virtual IImage* loadImage(io::IReadFile* file) const;
private:
//! loads a compressed tga. Was written and sent in by Jon Pry, thank you very much!
u8* loadCompressedImage(io::IReadFile *file, const STGAHeader& header) const;
};
#endif // compiled with loader
} // end namespace video
} // end namespace irr
#endif
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