freeimage.h

openGL的3D的小球碰撞游戏

// ==========================================================
// FreeImage 3
//
// Design and implementation by
// - Floris van den Berg ([e-mail])
// - Herv?Drolon ([e-mail])
//
// Contributors:
// - Adam Gates ([e-mail])
// - Alex Kwak
// - Alexander Dymerets ([e-mail])
// - Detlev Vendt ([e-mail])
// - Jan L. Nauta ([e-mail])
// - Jani Kajala ([e-mail])
// - Juergen Riecker ([e-mail])
// - Karl-Heinz Bussian ([e-mail])
// - Laurent Rocher ([e-mail])
// - Luca Piergentili ([e-mail])
// - Machiel ten Brinke ([e-mail])
// - Markus Loibl ([e-mail])
// - Martin Weber ([e-mail])
// - Matthias Wandel ([e-mail])
// - Michal Novotny ([e-mail])
// - Petr Pytelka ([e-mail])
// - Riley McNiff ([e-mail])
// - Ryan Rubley ([e-mail])
// - Volker Gtner ([e-mail])
//
// This file is part of FreeImage 3
//
// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
// THIS DISCLAIMER.
//
// Use at your own risk!
// ==========================================================

#ifndef FREEIMAGE_H
#define FREEIMAGE_H

// Version information ------------------------------------------------------

#define FREEIMAGE_MAJOR_VERSION   3
#define FREEIMAGE_MINOR_VERSION   10
#define FREEIMAGE_RELEASE_SERIAL  0

// Compiler options ---------------------------------------------------------

#include <wchar.h>	// needed for UNICODE functions

#if defined(FREEIMAGE_LIB)
	#define DLL_API
	#define DLL_CALLCONV
#else
	#if defined(_WIN32) || defined(__WIN32__)
		#define DLL_CALLCONV __stdcall
		// The following ifdef block is the standard way of creating macros which make exporting 
		// from a DLL simpler. All files within this DLL are compiled with the FREEIMAGE_EXPORTS
		// symbol defined on the command line. this symbol should not be defined on any project
		// that uses this DLL. This way any other project whose source files include this file see 
		// DLL_API functions as being imported from a DLL, wheras this DLL sees symbols
		// defined with this macro as being exported.
		#ifdef FREEIMAGE_EXPORTS
			#define DLL_API __declspec(dllexport)
		#else
			#define DLL_API __declspec(dllimport)
		#endif // FREEIMAGE_EXPORTS
	#else 
		// try the gcc visibility support (see http://gcc.gnu.org/wiki/Visibility)
		#if defined(__GNUC__) && ((__GNUC__ >= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
			#ifndef GCC_HASCLASSVISIBILITY
				#define GCC_HASCLASSVISIBILITY
			#endif
		#endif // __GNUC__
		#define DLL_CALLCONV
		#if defined(GCC_HASCLASSVISIBILITY)
			#define DLL_API __attribute__ ((visibility("default")))
		#else
			#define DLL_API
		#endif		
	#endif // WIN32 / !WIN32
#endif // FREEIMAGE_LIB

// Some versions of gcc may have BYTE_ORDER or __BYTE_ORDER defined
// If your big endian system isn't being detected, add an OS specific check
#if (defined(BYTE_ORDER) && BYTE_ORDER==BIG_ENDIAN) || \
	(defined(__BYTE_ORDER) && __BYTE_ORDER==__BIG_ENDIAN) || \
	defined(__BIG_ENDIAN__)
#define FREEIMAGE_BIGENDIAN
#endif // BYTE_ORDER

// This really only affects 24 and 32 bit formats, the rest are always RGB order.
#define FREEIMAGE_COLORORDER_BGR	0
#define FREEIMAGE_COLORORDER_RGB	1
#if defined(__APPLE__) || defined(FREEIMAGE_BIGENDIAN)
#define FREEIMAGE_COLORORDER FREEIMAGE_COLORORDER_RGB
#else
#define FREEIMAGE_COLORORDER FREEIMAGE_COLORORDER_BGR
#endif

// Ensure 4-byte enums if we're using Borland C++ compilers
#if defined(__BORLANDC__)
#pragma option push -b
#endif

// For C compatibility --------------------------------------------------------

#ifdef __cplusplus
#define FI_DEFAULT(x)	= x
#define FI_ENUM(x)      enum x
#define FI_STRUCT(x)	struct x
#else
#define FI_DEFAULT(x)
#define FI_ENUM(x)      typedef int x; enum x
#define FI_STRUCT(x)	typedef struct x x; struct x
#endif

// Bitmap types -------------------------------------------------------------

FI_STRUCT (FIBITMAP) { void *data; };
FI_STRUCT (FIMULTIBITMAP) { void *data; };

// Types used in the library (directly copied from Windows) -----------------

#ifndef _WINDOWS_
#define _WINDOWS_

#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef NULL
#define NULL 0
#endif

#ifndef SEEK_SET
#define SEEK_SET  0
#define SEEK_CUR  1
#define SEEK_END  2
#endif

#ifndef _MSC_VER
// define portable types for 32-bit / 64-bit OS
#include <inttypes.h>
typedef int32_t BOOL;
typedef uint8_t BYTE;
typedef uint16_t WORD;
typedef uint32_t DWORD;
typedef int32_t LONG;
#else
// MS is not C99 ISO compliant
typedef long BOOL;
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef unsigned long DWORD;
typedef long LONG;
#endif // _MSC_VER

#if (defined(_WIN32) || defined(__WIN32__))
#pragma pack(push, 1)
#else
#pragma pack(1)
#endif // WIN32

typedef struct tagRGBQUAD {
#if FREEIMAGE_COLORORDER == FREEIMAGE_COLORORDER_BGR
  BYTE rgbBlue;
  BYTE rgbGreen;
  BYTE rgbRed;
#else
  BYTE rgbRed;
  BYTE rgbGreen;
  BYTE rgbBlue;
#endif // FREEIMAGE_COLORORDER
  BYTE rgbReserved;
} RGBQUAD;

typedef struct tagRGBTRIPLE {
#if FREEIMAGE_COLORORDER == FREEIMAGE_COLORORDER_BGR
  BYTE rgbtBlue;
  BYTE rgbtGreen;
  BYTE rgbtRed;
#else
  BYTE rgbtRed;
  BYTE rgbtGreen;
  BYTE rgbtBlue;
#endif // FREEIMAGE_COLORORDER
} RGBTRIPLE;

#if (defined(_WIN32) || defined(__WIN32__))
#pragma pack(pop)
#else
#pragma pack()
#endif // WIN32

typedef struct tagBITMAPINFOHEADER{
  DWORD biSize;
  LONG  biWidth; 
  LONG  biHeight; 
  WORD  biPlanes; 
  WORD  biBitCount;
  DWORD biCompression; 
  DWORD biSizeImage; 
  LONG  biXPelsPerMeter; 
  LONG  biYPelsPerMeter; 
  DWORD biClrUsed; 
  DWORD biClrImportant;
} BITMAPINFOHEADER, *PBITMAPINFOHEADER; 

typedef struct tagBITMAPINFO { 
  BITMAPINFOHEADER bmiHeader; 
  RGBQUAD          bmiColors[1];
} BITMAPINFO, *PBITMAPINFO;

#endif // _WINDOWS_

// Types used in the library (specific to FreeImage) ------------------------

#if (defined(_WIN32) || defined(__WIN32__))
#pragma pack(push, 1)
#else
#pragma pack(1)
#endif // WIN32

/** 48-bit RGB 
*/
typedef struct tagFIRGB16 {
	WORD red;
	WORD green;
	WORD blue;
} FIRGB16;

/** 64-bit RGBA
*/
typedef struct tagFIRGBA16 {
	WORD red;
	WORD green;
	WORD blue;
	WORD alpha;
} FIRGBA16;

/** 96-bit RGB Float
*/
typedef struct tagFIRGBF {
	float red;
	float green;
	float blue;
} FIRGBF;

/** 128-bit RGBA Float
*/
typedef struct tagFIRGBAF {
	float red;
	float green;