#include?“BMPImage2.h“
#include

BMPIMAGE*?BmpRead（char?*filename）
{
	FILE?*infile;	
	unsigned?char?*buffer?BmpHeader[54];?
	long?i?j?width?height?BitCount?compression?LineBytes;
	unsigned?short?type;	
	BMPIMAGE?*image=NULL;

	if?（filename?==?NULL）
	{
		printf（“ERROR?in?read:?Filename?is?NULL?assign?it\n“）;
		return?NULL;
	}
	infile?=?fopen?（filename?“rb“）;
	if?（infile?==?NULL）
	{
		printf（“Unable?to?open?file?%s\n“?filename）;
		return?NULL;
	}
	fread（BmpHeader?CharLen?54?infile）;?
	type?=?（BmpHeader[1]?<	width?=（BmpHeader[21]?<	height?=（BmpHeader[25]?<	BitCount?=?（BmpHeader[29]?<	compression?=（BmpHeader[33]?<	LineBytes?=?（width?*?BitCount?+?31）?/?32?*?4;??
	
	if?（type?!=?（（unsigned?short）（‘M‘?<	{
		printf（“the?file?maybe?is?not?a?bmp?image.\n“）;
		return?NULL;
	}
	if?（compression?!=?0）?
	{
		printf（“Can?not?read?a?compressed?file.\n“?filename）;
		return?NULL;
	}
	if?（（BitCount!=8）&&（BitCount!=24）?）
	{
		printf（“This?program?can?only?deal?with?the?file?with?256?colors?or?true?color.?\n“?filename）;
		return?NULL;
	}

	if（BitCount?==?8）
	{
		if?（（image?=?ImageAlloc（height?width?BitCount））?==?NULL）
		{
			printf（“ERROR?when?read?call?ImageAlloc.\n“）;
			return?NULL;
		}
		buffer?=?new?unsigned?char?[LineBytes];
		
		fseek（infile?1078?SEEK_SET）;
		for（i=0;?i<=height-1;?i++）
		{
			fread?（buffer?CharLen?LineBytes?infile）;

			for（j=0;?j				image->gray[i*width+j]?=?buffer[j];
		}
	}

	if（BitCount?==?24）
	{
		if?（（image?=?ImageAlloc（height?width?BitCount））?==?NULL）
		{
			printf（“ERROR?when?read?call?ImageAlloc.\n“）;
			return?NULL;
		}

		buffer?=?new?unsigned?char?[LineBytes];?
		fseek（infile?54?SEEK_SET）;
		for（i=0;?i<=height-1;?i++）//?i:?0?-->?（biHeight-1）
		{
			fread?（buffer?CharLen?LineBytes?infile）;

			for（j?=?0;?j?			{
				image->blue[i*width+j]?=?buffer[3*j];		
				image->green[i*width+j]?=?buffer[3*j+1];	
				image->red[i*width+j]?=?buffer[3*j+2];	
			}
		}
??????	}

	delete?[]?buffer;
	fclose?（infile）;
	return?image;
}


BMPIMAGE*?BmpRead2（char?*filenamelong?xslong?yslong?xt?long?yt）
{
	FILE?*infile;	
	unsigned?char?*buffer?BmpHeader[54];?
	long?i?j?width?height?BitCount?compression?LineBytes;
	unsigned?short?type;	
	BMPIMAGE?*image=NULL;
	long?wh;?

	if?（filename?==?NULL）
	{
		printf（“ERROR?in?read:?Filename?is?NULL?assign?it\n“）;
		return?NULL;
	}
	infile?=?fopen?（filename?“rb“）;
	if?（infile?==?NULL）
	{
		printf（“Unable?to?open?file?%s\n“?filename）;
		return?NULL;
	}

	fread（BmpHeader?CharLen?54?infile）;?
	type?=?（BmpHeader[1]?<	width?=（BmpHeader[21]?<