| /kernel/trunk/gui/font.inc |
|---|
| 36,6 → 36,9 |
| mov ebp, [_display.width] |
| xor edi, edi |
| jmp @f |
| .ret: |
| add esp, 28 |
| ret |
| .redirect: |
| mov ebp, [edi] |
| add edi, 8 |
| 92,6 → 95,7 |
| bt ebx, 28 |
| jc .drawUTF8 |
| ; Stack map: |
| ; char counter +0 |
| fontMultiplier = 4 |
| widthX = 8 |
| 101,7 → 105,7 |
| ; background +24 |
| deltaToScreen = 28 |
| ; temp buffer height +32 |
| ; temp buffer +36 |
| ; temp buffer pointer +36 |
| .drawUTF16: |
| dec dword [esp] |
| 127,6 → 131,7 |
| add edi, esi |
| pop esi |
| jmp .drawUTF16 |
| .drawUTF8: |
| dec dword [esp] |
| js .done |
| 166,6 → 171,7 |
| add edi, esi |
| pop esi |
| jmp .drawUTF8 |
| .draw866: |
| dec dword [esp] |
| js .done |
| 184,6 → 190,7 |
| add edi, esi |
| pop esi |
| jmp .draw866 |
| .done: |
| mov ecx, edi |
| pop eax eax eax esi edx ebx ebp ebp ebp |
| 192,7 → 199,7 |
| jnz @f |
| pop eax |
| ret |
| @@: |
| @@: ; redraw from buffer to screen |
| push eax |
| sub ecx, edi |
| shr ecx, 2 |
| 224,10 → 231,8 |
| add esp, 12 |
| call kernel_free |
| ret |
| .ret: |
| add esp, 28 |
| ret |
| ; scaling/smoothing algorithm |
| drawChar: |
| mov dl, [ebx] |
| .raw: |
| 244,7 → 249,7 |
| inc esi |
| cmp [fontSmoothing], 0 |
| jz .nextPixel |
| .checkLeftSubP: |
| .checkLeftSubP: ; subpixel smoothing |
| bsf eax, edx |
| dec eax |
| js .checkRightSubP |
| 293,21 → 298,42 |
| call syscall_getpixel |
| popa |
| @@: |
| mov ecx, eax |
| mov eax, ebp |
| shr al, 1 |
| shr cl, 1 |
| add al, cl |
| shr ah, 2 |
| shr ch, 2 |
| add ah, ch |
| add ah, ch |
| add ah, ch |
| ror eax, 8 |
| ror ecx, 8 |
| mov ah, ch |
| rol eax, 8 |
| push ebx edx |
| mov ebx, ebp |
| xor ecx, ecx |
| mov cl, bl |
| lea edx, [ecx*8+ecx] |
| lea edx, [ecx*2+edx] |
| mov cl, al |
| lea ecx, [ecx*4+ecx] |
| add edx, ecx |
| shr edx, 4 |
| mov al, dl |
| xor ecx, ecx |
| mov cl, ah |
| lea edx, [ecx*8+ecx] |
| lea edx, [ecx*2+edx] |
| mov cl, bh |
| lea ecx, [ecx*4+ecx] |
| add edx, ecx |
| shr edx, 4 |
| mov ah, dl |
| rol eax, 16 |
| rol ebx, 16 |
| xor ecx, ecx |
| mov cl, al |
| mov edx, ecx |
| shl ecx, 3 |
| sub ecx, edx |
| mov dl, bl |
| add ecx, edx |
| shr ecx, 3 |
| mov al, cl |
| rol eax, 16 |
| mov [edi-4], eax |
| pop edx ebx |
| .checkRightSubP: |
| bsf eax, edx |
| inc eax |
| 353,23 → 379,45 |
| call syscall_getpixel |
| popa |
| @@: |
| mov ecx, eax |
| mov eax, ebp |
| shr ah, 2 |
| shr ch, 2 |
| add ah, ch |
| add ah, ch |
| add ah, ch |
| push ebx edx |
| mov ebx, ebp |
| xor ecx, ecx |
| mov cl, al |
| mov edx, ecx |
| shl ecx, 3 |
| sub ecx, edx |
| mov dl, bl |
| add ecx, edx |
| shr ecx, 3 |
| mov al, cl |
| ror eax, 8 |
| ror ecx, 8 |
| shr ah, 1 |
| shr ch, 1 |
| add ah, ch |
| rol eax, 8 |
| xor ecx, ecx |
| mov cl, ah |
| lea edx, [ecx*8+ecx] |
| lea edx, [ecx*2+edx] |
| mov cl, bh |
| lea ecx, [ecx*4+ecx] |
| add edx, ecx |
| shr edx, 4 |
| mov ah, dl |
| rol ebx, 16 |
| rol eax, 16 |
| xor ecx, ecx |
| mov cl, bl |
| lea edx, [ecx*8+ecx] |
| lea edx, [ecx*2+edx] |
| mov cl, al |
| lea ecx, [ecx*4+ecx] |
| add edx, ecx |
| shr edx, 4 |
| mov al, dl |
| rol eax, 16 |
| mov [edi+4], eax |
| pop edx ebx |
| jmp .nextPixel |
| .square: |
| .square: ; scaling |
| mov eax, esi |
| @@: |
| mov [edi+eax*4], ebp |
| 405,6 → 453,7 |
| bt [ebx-2], eax |
| jc .downRightLow |
| jmp .downRightHigh |
| @@: |
| bt [ebx-1], eax |
| jc .checkLeftUp |
| 437,6 → 486,7 |
| inc esi |
| mov edi, [esp] |
| jmp .checkLeftUp |
| .downRightHigh: |
| imul ecx, esi |
| shl ecx, 2 |
| 487,6 → 537,7 |
| bt [ebx+2], eax |
| jc .upRightLow |
| jmp .upRightHigh |
| @@: |
| bt [ebx+1], eax |
| jc .checkRight |
| 515,6 → 566,7 |
| jns .drawUpRight |
| mov edi, [esp] |
| jmp .checkRight |
| .upRightHigh: |
| imul ecx, esi |
| shl ecx, 2 |
| 563,6 → 615,7 |
| bt [ebx-2], eax |
| jc .downLeftLow |
| jmp .downLeftHigh |
| @@: |
| bt [ebx-1], eax |
| jc .checkRightUp |
| 592,6 → 645,7 |
| inc esi |
| mov edi, [esp] |
| jmp .checkRightUp |
| .downLeftHigh: |
| imul ecx, esi |
| shl ecx, 2 |
| 639,6 → 693,7 |
| bt [ebx+2], eax |
| jc .upLeftLow |
| jmp .upLeftHigh |
| @@: |
| bt [ebx+1], eax |
| jc .nextPixel |
| 663,6 → 718,7 |
| dec ecx |
| jns .drawUpLeft |
| jmp .nextPixel |
| .upLeftHigh: |
| imul ecx, esi |
| shl ecx, 2 |
| 690,6 → 746,7 |
| btr edx, eax |
| pop edi |
| jmp .raw |
| .nextRaw: |
| inc ebx |
| mov eax, [esp+16+widthX] |