//======================================================================
/**
*??@file??????BMPLoader.cpp
*
*??項(xiàng)目描述：?粒子系統(tǒng)
*??文件描述:??載入位圖類?
*??適用平臺(tái)：?Windows98/2000/NT/XP
*??
*??作者：?????WWBOSS
*??電子郵件:??wwboss123@gmail.com
*??創(chuàng)建日期：?2006-11-23	
*??修改日期：?2007-07-10
*	
*/																			
//======================================================================

#include“BMPLoader.h“??????????????/**
/**?構(gòu)造函數(shù)?*/
CBMPLoader::CBMPLoader（）
{
???/**?初始化成員值為0?*/
	image?=?0;
	imageWidth?=?0;
	imageHeight?=?0;
}

/**?析構(gòu)函數(shù)?*/
CBMPLoader::~CBMPLoader（）
{
???FreeImage（）;?/**}

/**?裝載一個(gè)位圖文件?*/
bool?CBMPLoader::LoadBitmap（const?char?*file）
{
	FILE?*pFile?=?0;?/**	
	/**?創(chuàng)建位圖文件信息和位圖文件頭結(jié)構(gòu)?*/
	BITMAPINFOHEADER?bitmapInfoHeader;
	BITMAPFILEHEADER?header;
??
	unsigned?char?textureColors?=?0;/**
???/**?打開(kāi)文件并檢查錯(cuò)誤?*/
	pFile?=?fopen（file?“rb“）;
		if（pFile?==?0）?return?false;

	/**?讀入位圖文件頭信息?*/?
	fread（&header?sizeof（BITMAPFILEHEADER）?1?pFile）;
	
	/**?檢查該文件是否為位圖文件?*/
	if（header.bfType?!=?BITMAP_ID）
	???{
		???fclose（pFile）;?????????????/**		???return?false;
	???}

	/**?讀入位圖文件信息?*/
	fread（&bitmapInfoHeader?sizeof（BITMAPINFOHEADER）?1?pFile）;

	/**?保存圖像的寬度和高度?*/
	imageWidth?=?bitmapInfoHeader.biWidth;
????imageHeight?=?bitmapInfoHeader.biHeight;

????/**?確保讀取數(shù)據(jù)的大小?*/
???if（bitmapInfoHeader.biSizeImage?==?0）
??????bitmapInfoHeader.biSizeImage?=?bitmapInfoHeader.biWidth?*
??????bitmapInfoHeader.biHeight?*?3;

	/**?將指針移到數(shù)據(jù)開(kāi)始位置?*/
	fseek（pFile?header.bfOffBits?SEEK_SET）;

	/**?分配內(nèi)存?*/
	image?=?new?unsigned?char[bitmapInfoHeader.biSizeImage];

	/**?檢查內(nèi)存分配是否成功?*/
	if（!image）????????????????????????/**	???{
		???delete[]?image;
		???fclose（pFile）;
		???return?false;
	???}

	/**?讀取圖像數(shù)據(jù)?*/
	fread（image?1?bitmapInfoHeader.biSizeImage?pFile）;

	/**?將圖像顏色數(shù)據(jù)格式進(jìn)行交換由BGR轉(zhuǎn)換為RGB?*/
	for（int?index?=?0;?index?	???{
		???textureColors?=?image[index];
		???image[index]?=?image[index?+?2];
		???image[index?+?2]?=?textureColors;
	???}
??
	fclose（pFile）;???????/**	return?true;?????????/**}

/**?載入位圖文件，并創(chuàng)建紋理?*/
bool?CBMPLoader::Load（const?char*?fileName）
{
	if（!LoadBitmap（fileName））
	{
		MessageBox（NULL“載入位圖文件失敗!““錯(cuò)誤“MB_OK）;
		exit（0）;
	}

	/**?生成紋理對(duì)象名稱?*/
	glGenTextures（1?&ID）;
???
????/**?創(chuàng)建紋理對(duì)象?*/
????glBindTexture（GL_TEXTURE_2D?ID）;
	
	/**?控制濾波?*/
	glTexParameteri（GL_TEXTURE_2D?GL_TEXTURE_MIN_FILTER?GL_LINEAR）;
	glTexParameteri（GL_TEXTURE_2D?GL_TEXTURE_MAG_FILTER?GL_LINEAR）;
????glTexParameteri（GL_TEXTURE_2DGL_TEXTURE_WRAP_SGL_REPEAT）;
????glTexParameteri（GL_TEXTURE_2DGL_TEXTURE_WRAP_TGL_REPEAT）;
???
	/**?創(chuàng)建紋理?*/
???	gluBuild2DMipmaps（GL_TEXTURE_2D?GL_RGB?imageWidth
	??????????????????imageHeight?GL_RGB?GL_UNSIGNED_BYTE
	??????????????????image）;
???return?true;
}

/**?釋放內(nèi)存?*/

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????3437??2007-11-13?11:04??Protechny\BMPLoader.cpp

?????文件???????1124??2007-11-13?11:04??Protechny\BMPLoader.h

?????文件??????49206??2007-11-13?11:04??Protechny\Data\flare.bmp

?????文件??????49206??2007-11-13?11:04??Protechny\Data\snowball.bmp

?????文件??????49206??2007-11-13?11:04??Protechny\Data\wall.bmp

?????文件???????2946??2007-11-13?11:04??Protechny\Debug\BuildLog.htm

?????文件???????5538??2011-04-16?20:15??Protechny\Debug\cl.command.1.tlog

?????文件?????119106??2011-04-16?20:15??Protechny\Debug\CL.read.1.tlog

?????文件???????2752??2011-04-16?20:15??Protechny\Debug\CL.write.1.tlog

?????文件?????172032??2009-03-01?10:17??Protechny\Debug\Protechny.exe

?????文件?????692352??2007-11-13?11:04??Protechny\Debug\Protechny.ilk

?????文件?????????67??2011-04-16?20:15??Protechny\Debug\Protechny.lastbuildstate

?????文件???????2362??2011-04-16?20:15??Protechny\Debug\Protechny.log

?????文件?????560128??2007-11-13?11:04??Protechny\Debug\Protechny.pdb

?????文件??????????0??2011-04-16?20:15??Protechny\Debug\Protechny.unsuccessfulbuild

?????文件?????224256??2011-04-16?20:15??Protechny\Debug\vc100.idb

?????文件??????53248??2011-04-16?20:15??Protechny\Debug\vc100.pdb

?????文件?????379904??2007-11-13?11:04??Protechny\Debug\vc70.idb

?????文件?????102400??2007-11-13?11:04??Protechny\Debug\vc70.pdb

?????文件???????4228??2007-11-13?11:04??Protechny\Font.cpp

?????文件????????766??2007-11-13?11:04??Protechny\Font.h

?????文件??????10276??2007-11-13?11:04??Protechny\GLframe.cpp

?????文件???????3770??2007-11-13?11:04??Protechny\GLframe.h

?????文件???????9540??2007-11-13?11:04??Protechny\GLWindow.cpp

?????文件???????2322??2007-11-13?11:04??Protechny\GLWindow.h

?????文件????????905??2007-11-13?11:04??Protechny\Particle.cpp

?????文件???????1375??2007-11-13?11:04??Protechny\Particle.h

?????文件???????3499??2007-11-13?11:04??Protechny\Protechny.cpp

?????文件?????172032??2009-03-01?10:17??Protechny\Protechny.exe

?????文件????????851??2007-11-13?11:04??Protechny\Protechny.h

............此處省略30個(gè)文件信息