| 0,0 → 1,56 |
|---|
| ;----------------------------------------------------------- |
| ;-------analizing picture to palette------------------------ |
| ;----------------------------------------------------------- |
| analizing_picture_to_palette: |
| |
| mov eax,[Picture_SizeX] |
| mov ebx,[Picture_SizeY] |
| imul eax,ebx |
| mov ecx,eax |
| mov edx,[PointerToPicture] |
| mov esi,1 ;counter colors in palette |
| |
| ;put firs color of picture how one color in palette |
| mov ebp,[PointerToPalette] |
| mov eax,[edx] |
| and eax,0xffffff |
| mov [ebp],eax |
| |
| analizing_to_palette: |
| mov eax,[edx] |
| and eax,0xffffff |
| |
| mov edi,esi |
| mov ebp,[PointerToPalette] |
| next_color_in_palette: |
| mov ebx,[ebp] |
| and ebx,0xffffff |
| cmp ebx,eax ;this is color have in palette |
| je exit_loop_palette |
| add ebp,4 |
| dec edi |
| jnz next_color_in_palette |
| |
| inc esi |
| cmp esi,256 ;256 colors |
| ja more_than_256_colors |
| mov ebp,[PointerToPalette] |
| mov ebx,esi |
| dec ebx |
| shl ebx,2 |
| add ebp,ebx |
| mov [ebp],ax |
| shr eax,16 |
| mov [ebp+2],al |
| |
| exit_loop_palette: |
| |
| add edx,3 |
| dec ecx |
| jnz analizing_to_palette |
| |
| |
| more_than_256_colors: |
| mov eax,esi |
| |
| ret |