il.h

SiftGPU is an implementation of SIFT [1] for GPU. SiftGPU processes pixels parallely to build Gaussi

//-----------------------------------------------------------------------------
//
// ImageLib Sources
// Copyright (C) 2000-2009 by Denton Woods
// Last modified: 02/05/2009
//
// Filename: IL/il.h
//
// Description: The main include file for DevIL
//
//-----------------------------------------------------------------------------

// Doxygen comment
/*! \file il.h
    The main include file for DevIL
*/

#ifndef __il_h_
#ifndef __IL_H__

#define __il_h_
#define __IL_H__

#ifdef __cplusplus
extern "C" {
#endif

//this define controls if floats and doubles are clampled to [0..1]
//during conversion. It takes a little more time, but it is the correct
//way of doing this. If you are sure your floats are always valid,
//you can undefine this value...
#define CLAMP_HALF		1
#define CLAMP_FLOATS	1
#define CLAMP_DOUBLES	1

/*#ifdef _WIN32_WCE
	#define IL_NO_EXR
	#define IL_NO_GIF
	#define IL_NO_JP2
	#define IL_NO_JPG
	#define IL_NO_MNG
	#define IL_NO_PNG
	#define IL_NO_TIF
	#define IL_NO_LCMS
#endif //_WIN32_WCE

#ifdef DJGPP
	#define IL_NO_EXR
	#define IL_NO_GIF
	#define IL_NO_JP2
	#define IL_NO_JPG
	#define IL_NO_MNG
	#define IL_NO_PNG
	#define IL_NO_TIF
	#define IL_NO_LCMS
#endif //DJGPP*/

#ifdef _WIN32
	#if (defined(IL_USE_PRAGMA_LIBS)) && (!defined(_IL_BUILD_LIBRARY))
		#if defined(_MSC_VER) || defined(__BORLANDC__)
			#pragma comment(lib, "DevIL.lib")
		#endif
	#endif
#endif

#ifdef RESTRICT_KEYWORD
#define RESTRICT restrict
#define CONST_RESTRICT const restrict
#else
#define RESTRICT
#define CONST_RESTRICT const
#endif

#include <stdio.h>

typedef unsigned int   ILenum;
typedef unsigned char  ILboolean;
typedef unsigned int   ILbitfield;
typedef signed char    ILbyte;
typedef signed short   ILshort;
typedef int     	   ILint;
typedef size_t         ILsizei;
typedef unsigned char  ILubyte;
typedef unsigned short ILushort;
typedef unsigned int   ILuint;
typedef float          ILfloat;
typedef float          ILclampf;
typedef double         ILdouble;
typedef double         ILclampd;

#ifdef _MSC_VER
typedef __int64          ILint64;
typedef unsigned __int64 ILuint64;
#else
typedef long long int          ILint64;
typedef long long unsigned int ILuint64;
#endif


#include <limits.h>
#ifdef _UNICODE
	#ifndef _WIN32_WCE
		#include <wchar.h>
	#endif
	//if we use a define instead of a typedef,
	//ILconst_string works as intended
	#define ILchar wchar_t
	#define ILstring wchar_t*
	#define ILconst_string  wchar_t const *
#else
	//if we use a define instead of a typedef,
	//ILconst_string works as intended
	#define ILchar char
	#define ILstring char*
	#define ILconst_string char const *
#endif //_UNICODE

#define IL_FALSE			0
#define IL_TRUE				1

//  Matches OpenGL's right now.
//! Data formats \link Formats Formats\endlink
#define IL_COLOUR_INDEX     0x1900
#define IL_COLOR_INDEX      0x1900
#define IL_ALPHA			0x1906
#define IL_RGB              0x1907
#define IL_RGBA             0x1908
#define IL_BGR              0x80E0
#define IL_BGRA             0x80E1
#define IL_LUMINANCE        0x1909
#define IL_LUMINANCE_ALPHA  0x190A

//! Data types \link Types Types\endlink
#define IL_BYTE           0x1400
#define IL_UNSIGNED_BYTE  0x1401
#define IL_SHORT          0x1402
#define IL_UNSIGNED_SHORT 0x1403
#define IL_INT            0x1404
#define IL_UNSIGNED_INT   0x1405
#define IL_FLOAT          0x1406
#define IL_DOUBLE         0x140A
#define IL_HALF           0x140B


#define IL_MAX_BYTE		  		SCHAR_MAX
#define IL_MAX_UNSIGNED_BYTE  	UCHAR_MAX
#define IL_MAX_SHORT	  		SHRT_MAX
#define IL_MAX_UNSIGNED_SHORT 	USHRT_MAX
#define IL_MAX_INT		  		INT_MAX
#define IL_MAX_UNSIGNED_INT   	UINT_MAX

#define IL_LIMIT(x,m,M)		(x<m?m:(x>M?M:x))
#define IL_CLAMP(x) 		IL_LIMIT(x,0,1)

#define IL_VENDOR   0x1F00
#define IL_LOAD_EXT 0x1F01
#define IL_SAVE_EXT 0x1F02


//
// IL-specific #define's
//

#define IL_VERSION_1_7_7 1
#define IL_VERSION       177


// Attribute Bits
#define IL_ORIGIN_BIT          0x00000001
#define IL_FILE_BIT            0x00000002
#define IL_PAL_BIT             0x00000004
#define IL_FORMAT_BIT          0x00000008
#define IL_TYPE_BIT            0x00000010
#define IL_COMPRESS_BIT        0x00000020
#define IL_LOADFAIL_BIT        0x00000040
#define IL_FORMAT_SPECIFIC_BIT 0x00000080
#define IL_ALL_ATTRIB_BITS     0x000FFFFF


// Palette types
#define IL_PAL_NONE   0x0400
#define IL_PAL_RGB24  0x0401
#define IL_PAL_RGB32  0x0402
#define IL_PAL_RGBA32 0x0403
#define IL_PAL_BGR24  0x0404
#define IL_PAL_BGR32  0x0405
#define IL_PAL_BGRA32 0x0406


// Image types
#define IL_TYPE_UNKNOWN 0x0000
#define IL_BMP          0x0420  //!< Microsoft Windows Bitmap - .bmp extension
#define IL_CUT          0x0421  //!< Dr. Halo - .cut extension
#define IL_DOOM         0x0422  //!< DooM walls - no specific extension
#define IL_DOOM_FLAT    0x0423  //!< DooM flats - no specific extension
#define IL_ICO          0x0424  //!< Microsoft Windows Icons and Cursors - .ico and .cur extensions
#define IL_JPG          0x0425  //!< JPEG - .jpg, .jpe and .jpeg extensions
#define IL_JFIF         0x0425  //!<
#define IL_LBM          0x0426  //!< Interlaced bitmap - .lbm extension
#define IL_PCD          0x0427  //!< Kodak PhotoCD - .pcd extension
#define IL_PCX          0x0428  //!< ZSoft PCX - .pcx extension
#define IL_PIC          0x0429  //!< PIC - .pic extension
#define IL_PNG          0x042A  //!< Portable Network Graphics - .png extension
#define IL_PNM          0x042B  //!< Portable Any Map - .pbm, .pgm, .ppm and .pnm extensions
#define IL_SGI          0x042C  //!< Silicon Graphics - .sgi, .bw, .rgb and .rgba extensions
#define IL_TGA          0x042D  //!< TrueVision Targa File - .tga, .vda, .icb and .vst extensions
#define IL_TIF          0x042E  //!< Tagged Image File Format - .tif and .tiff extensions
#define IL_CHEAD        0x042F  //!< C-Style Header - .h extension
#define IL_RAW          0x0430  //!< Raw Image Data - any extension
#define IL_MDL          0x0431  //!< Half-Life Model Texture - .mdl extension
#define IL_WAL          0x0432  //!< Quake 2 Texture - .wal extension
#define IL_LIF          0x0434  //!< Homeworld Texture - .lif extension
#define IL_MNG          0x0435  //!< Multiple-image Network Graphics - .mng extension
#define IL_JNG          0x0435  //!< 
#define IL_GIF          0x0436  //!< Graphics Interchange Format - .gif extension
#define IL_DDS          0x0437  //!< DirectDraw Surface - .dds extension
#define IL_DCX          0x0438  //!< ZSoft Multi-PCX - .dcx extension
#define IL_PSD          0x0439  //!< Adobe PhotoShop - .psd extension
#define IL_EXIF         0x043A  //!< 
#define IL_PSP          0x043B  //!< PaintShop Pro - .psp extension
#define IL_PIX          0x043C  //!< PIX - .pix extension
#define IL_PXR          0x043D  //!< Pixar - .pxr extension
#define IL_XPM          0x043E  //!< X Pixel Map - .xpm extension
#define IL_HDR          0x043F  //!< Radiance High Dynamic Range - .hdr extension
#define IL_ICNS			0x0440  //!< Macintosh Icon - .icns extension
#define IL_JP2			0x0441  //!< Jpeg 2000 - .jp2 extension
#define IL_EXR			0x0442  //!< OpenEXR - .exr extension
#define IL_WDP			0x0443  //!< 
#define IL_VTF			0x0444  //!< Valve Texture Format - .vtf extension
#define IL_WBMP			0x0445  //!< Wireless Bitmap - .wbmp extension
#define IL_SUN			0x0446  //!< Sun Raster - .sun, .ras, .rs, .im1, .im8, .im24 and .im32 extensions
#define IL_IFF			0x0447  //!< Interchange File Format - .iff extension
#define IL_TPL			0x0448  //!< Gamecube Texture - .tpl extension


#define IL_JASC_PAL     0x0475  //!< PaintShop Pro Palette


// Error Types
#define IL_NO_ERROR             0x0000
#define IL_INVALID_ENUM         0x0501
#define IL_OUT_OF_MEMORY        0x0502
#define IL_FORMAT_NOT_SUPPORTED 0x0503
#define IL_INTERNAL_ERROR       0x0504
#define IL_INVALID_VALUE        0x0505
#define IL_ILLEGAL_OPERATION    0x0506
#define IL_ILLEGAL_FILE_VALUE   0x0507
#define IL_INVALID_FILE_HEADER  0x0508
#define IL_INVALID_PARAM        0x0509
#define IL_COULD_NOT_OPEN_FILE  0x050A
#define IL_INVALID_EXTENSION    0x050B
#define IL_FILE_ALREADY_EXISTS  0x050C
#define IL_OUT_FORMAT_SAME      0x050D
#define IL_STACK_OVERFLOW       0x050E
#define IL_STACK_UNDERFLOW      0x050F
#define IL_INVALID_CONVERSION   0x0510
#define IL_BAD_DIMENSIONS       0x0511
#define IL_FILE_READ_ERROR      0x0512  // 05/12/2002: Addition by Sam.
#define IL_FILE_WRITE_ERROR     0x0512

#define IL_LIB_GIF_ERROR  0x05E1
#define IL_LIB_JPEG_ERROR 0x05E2
#define IL_LIB_PNG_ERROR  0x05E3
#define IL_LIB_TIFF_ERROR 0x05E4
#define IL_LIB_MNG_ERROR  0x05E5
#define IL_LIB_JP2_ERROR  0x05E6
#define IL_LIB_EXR_ERROR  0x05E7
#define IL_UNKNOWN_ERROR  0x05FF


// Origin Definitions
#define IL_ORIGIN_SET        0x0600
#define IL_ORIGIN_LOWER_LEFT 0x0601
#define IL_ORIGIN_UPPER_LEFT 0x0602
#define IL_ORIGIN_MODE       0x0603


// Format and Type Mode Definitions
#define IL_FORMAT_SET  0x0610
#define IL_FORMAT_MODE 0x0611
#define IL_TYPE_SET    0x0612
#define IL_TYPE_MODE   0x0613


// File definitions
#define IL_FILE_OVERWRITE	0x0620
#define IL_FILE_MODE		0x0621


// Palette definitions
#define IL_CONV_PAL			0x0630


// Load fail definitions
#define IL_DEFAULT_ON_FAIL	0x0632


// Key colour and alpha definitions
#define IL_USE_KEY_COLOUR	0x0635
#define IL_USE_KEY_COLOR	0x0635
#define IL_BLIT_BLEND		0x0636


// Interlace definitions
#define IL_SAVE_INTERLACED	0x0639
#define IL_INTERLACE_MODE	0x063A


// Quantization definitions
#define IL_QUANTIZATION_MODE 0x0640
#define IL_WU_QUANT          0x0641
#define IL_NEU_QUANT         0x0642
#define IL_NEU_QUANT_SAMPLE  0x0643
#define IL_MAX_QUANT_INDEXS  0x0644 //XIX : ILint : Maximum number of colors to reduce to, default of 256. and has a range of 2-256
#define IL_MAX_QUANT_INDICES 0x0644 // Redefined, since the above #define is misspelled