enh.txt

在DOS环境下

enchence()
{
	int a,b,c,d,x,y;
	long data1[256];


	for (c=0;c<256;c++)data1[c]=0;

	for(b=0;b<64;b++)
		for(a=0;a<64;a++) data1[*(buf+b*64+a)]++;

	for(c=0;c<255;c++) data1[c+1]=data1[c]+data1[c+1];

	for(c=0;c<256;c++) data1[c]=data1[c]*(long)255/(long)4096;

	for(b=0;b<64;b++)
		for(a=0;a<64;a++) *(buf+b*64+a)=data1[*(buf+b*64+a)];

    for(y=0;y<64;y++)
	for(x=0;x<64;x++){
	    putpixel2(x*2+300,y*2+120,*(buf+(long)y*64+x));
	    putpixel2(x*2+301,y*2+120,*(buf+(long)y*64+x));
	    putpixel2(x*2+300,y*2+121,*(buf+(long)y*64+x));
	    putpixel2(x*2+301,y*2+121,*(buf+(long)y*64+x));
	}
}