| 162,17 → 162,18 |
|---|
| |
| :void GrayScaleImage(dword color_image, w, h) |
| { |
| dword i,gray,rr,gg,bb; |
| for (i = 0; i < w*h*3; i+=3) |
| dword i,gray,to,rr,gg,bb; |
| to = w*h*3 + color_image; |
| for (i = color_image; i < to; i+=3) |
| { |
| rr = DSBYTE[i+color_image]; |
| gg = DSBYTE[i+1+color_image]; |
| bb = DSBYTE[i+2+color_image]; |
| rr = DSBYTE[i]; |
| gg = DSBYTE[i+1]; |
| bb = DSBYTE[i+2]; |
| gray = rr*rr; |
| gray += gg*gg; |
| gray += bb*bb; |
| gray = sqrt(gray) / 3; |
| DSBYTE[i +color_image] = DSBYTE[i+1+color_image] = DSBYTE[i+2+color_image] = gray; |
| DSBYTE[i] = DSBYTE[i+1] = DSBYTE[i+2] = gray; |
| } |
| } |
| |