xuxian.rar_XuXian_计算机图形学

/* Note:Your choice is C IDE */ #include"stdio.h" #include"graphics.h" DDAline(int x0,int y0,int x1,int y1,int color) {int a[32],i,x; float dx,dy,k,y; for( i=0;i<16;i++) { a[i]=1;a[31-i]=0;} dx=x1-x0; dy=y1-y0; k=dy ; y=y0; for(x=x0;x<=x1;x++) { if(a[x%32])putpixel(x,(int)(y+0.5),color); y=y+k; } } main() {int gdriver,gmode,m0,n0,m1,n1,color; printf("please enter m0,n0,m1,n1,color\n"); scanf("%d%d%d%d%d",&m0,&n0,&m1,&n1,&color); gdriver=VGA; gmode=VGAHI; initgraph(&gdriver,&gmode,""); DDAline(m0,n0,m1,n1,color); }