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//-----------------------------------------------------------------------------
//
// ImageLib Sources
// Copyright (C) 2000-2002 by Denton Woods
// Last modified: 05/25/2001 <--Y2K Compliant! =]
//
// Filename: src-IL/include/il_targa.h
//
// Description: Targa (.tga) functions
//
//-----------------------------------------------------------------------------
#ifndef TARGA_H
#define TARGA_H
#include "il_internal.h"
#ifdef _MSC_VER
#pragma pack(push, tga_struct, 1)
#endif
// Mac OS X fix from Tron Thomas
#ifdef MACOSX
#pragma pack(1)
#endif
typedef struct TARGAHEAD
{
ILubyte IDLen;
ILubyte ColMapPresent;
ILubyte ImageType;
ILshort FirstEntry;
ILshort ColMapLen;
ILubyte ColMapEntSize;
ILshort OriginX;
ILshort OriginY;
ILushort Width;
ILushort Height;
ILubyte Bpp;
ILubyte ImageDesc;
} IL_PACKSTRUCT TARGAHEAD;
typedef struct TARGAFOOTER
{
ILuint ExtOff; // Extension Area Offset
ILuint DevDirOff; // Developer Directory Offset
ILbyte Signature[16]; // TRUEVISION-XFILE
ILbyte Reserved; // ASCII period '.'
ILbyte NullChar; // NULL
} IL_PACKSTRUCT TARGAFOOTER;
#ifdef MACOSX
#pragma pack()
#endif
#ifdef _MSC_VER
#pragma pack(pop, tga_struct)
#endif
#define TGA_EXT_LEN 495
typedef struct TARGAEXT
{
// Dev Directory
// We don't mess with this
// Extension Area
ILshort Size; // should be TGA_EXT_LEN
ILbyte AuthName[41]; // the image author's name
ILbyte AuthComments[324]; // author's comments
ILshort Month, Day, Year, Hour, Minute, Second; // internal date of file
ILbyte JobID[41]; // the job description (if any)
ILshort JobHour, JobMin, JobSecs; // the job's time
ILbyte SoftwareID[41]; // the software that created this
ILshort SoftwareVer; // the software version number * 100
ILbyte SoftwareVerByte; // the software version letter
ILint KeyColor; // the transparent colour
} TARGAEXT;
// Different Targa formats
#define TGA_NO_DATA 0
#define TGA_COLMAP_UNCOMP 1
#define TGA_UNMAP_UNCOMP 2
#define TGA_BW_UNCOMP 3
#define TGA_COLMAP_COMP 9
#define TGA_UNMAP_COMP 10
#define TGA_BW_COMP 11
// Targa origins
#define IMAGEDESC_ORIGIN_MASK 0x30
#define IMAGEDESC_TOPLEFT 0x20
#define IMAGEDESC_BOTLEFT 0x00
#define IMAGEDESC_BOTRIGHT 0x10
#define IMAGEDESC_TOPRIGHT 0x30
// Internal functions
ILboolean iIsValidTarga();
ILboolean iGetTgaHead(TARGAHEAD *Header);
ILboolean iCheckTarga(TARGAHEAD *Header);
ILboolean iLoadTargaInternal(ILvoid);
ILboolean iSaveTargaInternal(ILvoid);
//ILvoid iMakeString(char *Str);
ILboolean iReadBwTga(TARGAHEAD *Header);
ILboolean iReadColMapTga(TARGAHEAD *Header);
ILboolean iReadUnmapTga(TARGAHEAD *Header);
ILboolean iUncompressTgaData(ILimage *Image);
ILboolean i16BitTarga(ILimage *Image);
ILvoid iGetDateTime(ILuint *Month, ILuint *Day, ILuint *Yr, ILuint *Hr, ILuint *Min, ILuint *Sec);
#endif//TARGA_H
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