73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
// 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 "IImageLoader.h"
|
|
|
|
|
|
namespace irr
|
|
{
|
|
namespace video
|
|
{
|
|
|
|
// 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"
|
|
|
|
/*!
|
|
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")
|
|
bool isALoadableFileExtension(const io::path& filename) const override;
|
|
|
|
//! returns true if the file maybe is able to be loaded by this class
|
|
bool isALoadableFileFormat(io::IReadFile* file) const override;
|
|
|
|
//! creates a surface from the file
|
|
IImage* loadImage(io::IReadFile* file) const override;
|
|
|
|
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;
|
|
};
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
#endif
|