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#ifndef _INCLUDED_ILBM_EXT_HPP_
#define _INCLUDED_ILBM_EXT_HPP_
#include "iff.hpp"
#include "iff_ILBM.hpp"
namespace IFF
{
class IlbmTranChunk : public Chunk
{
public:
enum
{
TRANS_NONE = 0,
TRANS_TOPLEFT = 1,
TRANS_BOTTOMLEFT = 2,
TRANS_TOPRIGHT = 3,
TRANS_BOTTOMRIGHT = 4,
TRANS_XY = 5,
TRANS_RGB = 6
};
UBYTE eTransType;
UINT16 xPos;
UINT16 yPos;
RGBTriple rgb;
IlbmTranChunk() { m_idCk = "TRAN"; }
protected:
virtual void Serialize(Archive * pArchv);
};
class IlbmAlphChunk : public IlbmBodyChunk // uses same encoding methodology
{
public:
UINT16 width;
UINT16 height;
UBYTE nBitPlanes;
UBYTE eCompression;
IlbmAlphChunk()
{ m_idCk = "ALPH"; }
protected:
virtual void Serialize(Archive * pArchv);
virtual bool GetHeaderInfo() const;
};
class IlbmS3tcChunk : public Chunk
{
public:
IlbmS3tcChunk();
virtual ~IlbmS3tcChunk();
UINT32 flags; // none at the moment
UINT32 fourCC; //the fourcc code 'DXT1' - 'DXT5'
UINT16 redWeight; //weighting values used in compression
UINT16 blueWeight;
UINT16 greenWeight;
UINT16 width;
UINT16 height;
UINT32 dataSize;
UBYTE* pData; //the compressed texture itself
protected:
virtual void Serialize(Archive * pArchv);
};
class MipmContChunk : public Chunk
{
public:
enum
{
FILTER_DEFAULT = 0,
FILTER_BOX = 1,
FILTER_TRIANGLE = 2,
FILTER_BELL = 3,
FILTER_BSPLINE = 4,
FILTER_LANCZOS3 = 5,
FILTER_MITCHELL = 6
};
UBYTE nMipMaps;
UBYTE eFilter;
MipmContChunk()
{ m_idCk = "CONT"; }
protected:
virtual void Serialize(Archive * pArchv);
};
class MipmFlagChunk : public Chunk
{
public:
enum
{
FLAG_MANUAL_MIPS = 0x00000001,//some of the mip maps have been set by hand
};
UINT32 flags;
MipmFlagChunk()
{ m_idCk = "FLAG"; flags = 0;}
protected:
virtual void Serialize(Archive * pArchv);
};
}
#endif
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