| 3451,298 → 3451,8 |
|---|
| ret |
| endp |
| |
| ;䨫ìâ¥à |
| align 4 |
| proc buf_filter_dither, buffer:dword, algor:dword |
| pushad |
| mov edi,[buffer] |
| cmp buf2d_bits,24 |
| jne .error |
| mov edx,buf2d_w |
| mov esi,buf2d_h |
| mov edi,buf2d_data |
| ;edi - pointer to 24bit bitmap |
| ;edx - x size |
| ;esi - y size |
| lea edx,[edx*3] |
| imul esi,edx |
| |
| ;®¯à¥¤¥«ï¥¬ ª ª®© «£®à¨â¬ ¨á¯®«ì§®¢ âì |
| cmp dword[algor],0 |
| jne @f |
| call dither_0 |
| jmp .dither_end |
| @@: |
| cmp dword[algor],1 |
| jne @f |
| call dither_1 |
| jmp .dither_end |
| @@: |
| call dither_2 |
| jmp .dither_end |
| .error: |
| stdcall print_err,sz_buf2d_filter_dither,txt_err_n24b |
| .dither_end: |
| popad |
| ret |
| endp |
| |
| align 16 |
| dither_0: ; Sierra Filter Lite algoritm |
| newp_0: ; Dithering cycle |
| xor ebx,ebx ; At first threshold |
| movzx ecx,byte[edi] |
| cmp cl,255 |
| je newp_0.next |
| test cl,cl |
| jz newp_0.next |
| jns @f |
| dec ebx |
| sub ecx,255 |
| @@: |
| mov [edi],bl ; putpixel |
| |
| sar ecx,1 ; error/2 |
| ;adc ecx,0 ; round to integer |
| |
| movzx eax,byte[edi+3] ; pixel (x+1;y) |
| add eax,ecx ; add error/2 to (x+1;y) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok |
| @@: |
| cmp eax,255 |
| jle .ok |
| or al,255 |
| .ok: |
| mov [edi+3],al ; putpixel |
| |
| sar ecx,1 ; error/4 |
| adc ecx,0 ; round to integer |
| |
| movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1) |
| add eax,ecx ; add error/4 to (x-1;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok1 |
| @@: |
| cmp eax,255 |
| jle .ok1 |
| or al,255 |
| .ok1: |
| mov [edi+edx-3],al ; putpixel |
| |
| movzx eax,byte[edi+edx] ; pixel (x;y+1) |
| add eax,ecx ; add error/4 to (x;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok2 |
| @@: |
| cmp eax,255 |
| jle .ok2 |
| or al,255 |
| .ok2: |
| mov [edi+edx],al ; putpixel |
| |
| .next: |
| inc edi |
| dec esi |
| jnz newp_0 |
| ret |
| |
| align 16 |
| dither_1: ; Floyd-Steinberg algoritm |
| newp_1: ; Dithering cycle |
| xor ebx,ebx ; At first threshold |
| movzx ecx,byte[edi] |
| cmp cl,255 |
| je newp_1.next |
| test cl,cl |
| jz newp_1.next |
| jns @f |
| dec ebx |
| sub ecx,255 |
| @@: |
| mov [edi],bl ; putpixel |
| |
| sar ecx,4 ; error/16 |
| adc ecx,0 ; round to integer |
| mov ebx,ecx |
| |
| movzx eax,byte[edi+edx+3] ; pixel (x+1;y+1) |
| add eax,ecx ; add error/16 to (x+1;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok |
| @@: |
| cmp eax,255 |
| jle .ok |
| or al,255 |
| .ok: |
| mov [edi+edx+3],al ;putpixel |
| |
| imul ecx,3 |
| movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1) |
| add eax,ecx ; add 3*error/16 to (x-1;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok1 |
| @@: |
| cmp eax,255 |
| jle .ok1 |
| or al,255 |
| .ok1: |
| mov [edi+edx-3],al ;putpixel |
| |
| mov ecx,ebx |
| imul ecx,5 |
| movzx eax,byte[edi+edx] ; pixel (x;y+1) |
| add eax,ecx ; add 5*error/16 to (x;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok2 |
| @@: |
| cmp eax,255 |
| jle .ok2 |
| or al,255 |
| .ok2: |
| mov [edi+edx],al ;putpixel |
| |
| mov ecx,ebx |
| imul ecx,7 |
| movzx eax,byte[edi+3] ; pixel (x+1;y) |
| add eax,ecx ; add 7*error/16 to (x+1;y) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok3 |
| @@: |
| cmp eax,255 |
| jle .ok3 |
| or al,255 |
| .ok3: |
| mov [edi+3],al ;putpixel |
| |
| .next: |
| inc edi |
| dec esi |
| jnz newp_1 |
| ret |
| |
| align 16 |
| dither_2: ; Burkers algoritm |
| newp_2: ; Dithering cycle |
| xor ebx,ebx ; At first threshold |
| movsx ecx,byte[edi] |
| cmp cl,255 |
| je newp_2.next |
| test cl,cl |
| jz newp_2.next |
| jns @f |
| dec ebx |
| @@: |
| mov [edi],bl ; putpixel |
| |
| sar ecx,2 ; error/4 |
| adc ecx,0 ; round to integer |
| |
| movzx eax,byte[edi+3] ; pixel (x+1;y) |
| add eax,ecx ; add error/4 to (x+1;y) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok |
| @@: |
| cmp eax,255 |
| jle .ok |
| or al,255 |
| .ok: |
| mov [edi+3],al ; putpixel |
| |
| movzx eax,byte[edi+edx] ; pixel (x;y+1) |
| add eax,ecx ; add error/4 to (x;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok1 |
| @@: |
| cmp eax,255 |
| jle .ok1 |
| or al,255 |
| .ok1: |
| mov [edi+edx],al ; putpixel |
| |
| sar ecx,1 ; error/8 |
| adc ecx,0 ; round to integer |
| |
| movzx eax,byte[edi+6] ; pixel (x+2;y) |
| add eax,ecx ; add error/8 to (x+2;y) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok2 |
| @@: |
| cmp eax,255 |
| jle .ok2 |
| or al,255 |
| .ok2: |
| mov [edi+6],al ; putpixel |
| |
| movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1) |
| add eax,ecx ; add error/8 to (x-1;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok3 |
| @@: |
| cmp eax,255 |
| jle .ok3 |
| or al,255 |
| .ok3: |
| mov [edi+edx-3],al ; putpixel |
| |
| movzx eax,byte[edi+edx+3] ; pixel (x+1;y+1) |
| add eax,ecx ; add error/8 to (x+1;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok4 |
| @@: |
| cmp eax,255 |
| jle .ok4 |
| or al,255 |
| .ok4: |
| mov [edi+edx+3],al ; putpixel |
| |
| sar ecx,1 ; error/16 |
| ;adc ecx,0 ; round to integer |
| |
| movzx eax,byte[edi+edx-6] ; pixel (x-2;y+1) |
| add eax,ecx ; add error/16 to (x-2;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok5 |
| @@: |
| cmp eax,255 |
| jle .ok5 |
| or al,255 |
| .ok5: |
| mov [edi+edx-6],al ; putpixel |
| |
| movzx eax,byte[edi+edx+6] ; pixel (x+2;y+1) |
| add eax,ecx ; add error/16 to (x+2;y+1) |
| jge @f ; check_overflow |
| xor eax,eax |
| jmp .ok6 |
| @@: |
| cmp eax,255 |
| jle .ok6 |
| or al,255 |
| .ok6: |
| mov [edi+edx+6],al ; putpixel |
| |
| .next: |
| inc edi |
| dec esi |
| jnz newp_2 |
| ret |
| |
| |
| |
| ;*** äãªæ¨¨ ¤«ï à ¡®âë á ¢®ªá¥«ì®© £à 䨪®© *** |
| |
| |
| 5106,7 → 4816,6 |
|---|
| dd sz_buf2d_set_pixel, buf_set_pixel |
| dd sz_buf2d_get_pixel, buf_get_pixel |
| dd sz_buf2d_flip_v, buf_flip_v |
| dd sz_buf2d_filter_dither, buf_filter_dither |
| dd sz_buf2d_vox_brush_create, vox_brush_create |
| dd sz_buf2d_vox_brush_delete, vox_brush_delete |
| dd sz_buf2d_vox_obj_get_img_w_3g, buf_vox_obj_get_img_w_3g |
| 5147,7 → 4856,6 |
|---|
| sz_buf2d_set_pixel db 'buf2d_set_pixel',0 |
| sz_buf2d_get_pixel db 'buf2d_get_pixel',0 |
| sz_buf2d_flip_v db 'buf2d_flip_v',0 |
| sz_buf2d_filter_dither db 'buf2d_filter_dither',0 |
| sz_buf2d_vox_brush_create db 'buf2d_vox_brush_create',0 |
| sz_buf2d_vox_brush_delete db 'buf2d_vox_brush_delete',0 |
| sz_buf2d_vox_obj_get_img_w_3g db 'buf2d_vox_obj_get_img_w_3g',0 |