kolibrios/kernel/trunk/gui/font.inc
Marat Zakiyanov (Mario79) 54ec7e5e23 Video draw and VESA - some speedup.
git-svn-id: svn://kolibrios.org@2453 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-03-12 18:26:37 +00:00

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision$
;------------------------------------------------------------------------------
align 4
dtext_asciiz_esi: ; for skins title out
push eax
xor eax, eax
inc eax
jmp dtext.1
;------------------------------------------------------------------------------
align 4
dtext: ; Text String Output (rw by Johnny_B[john@kolibrios.org])
; ebx x & y
; ecx style ( 0xX0000000 ) & color ( 0x00RRGGBB )
; X = ABnnb:
; nn = font
; A = 0 <=> output esi characters; otherwise output ASCIIZ string
; B = 1 <=> fill background with color eax
; edx start of text
; edi 1 force
push eax
xor eax, eax
;--------------------------------------
align 4
.1:
pushad
movsx eax, bx ; eax=y
sar ebx, 16 ; ebx=x
xchg eax, ebx ; eax=x, ebx=y
cmp esi, 255
jb .loop
mov esi, 255
;--------------------------------------
align 4
.loop:
test ecx, ecx
js .test_asciiz
dec esi
js .end
jmp @f
;--------------------------------------
align 4
.test_asciiz:
cmp byte [edx], 0
jz .end
cmp byte [esp+28], 1
jne @f
dec esi
js .end
;--------------------------------------
align 4
@@:
inc edx
pushad
movzx edx, byte [edx-1]
test ecx, 0x10000000
jnz .font2
mov esi, 9
lea ebp, [FONT_I+8*edx+edx]
;--------------------------------------
align 4
.symloop1:
mov dl, byte [ebp]
or dl, 1 shl 6
;--------------------------------------
align 4
.pixloop1:
shr dl, 1
jz .pixloop1end
jnc .nopix
and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
; call [putpixel]
call __sys_putpixel
jmp .pixloop1cont
;--------------------------------------
align 4
.nopix:
test ecx, 0x40000000
jz .pixloop1cont
push ecx
mov ecx, [esp+4+20h+20h]
and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
; call [putpixel]
call __sys_putpixel
pop ecx
;--------------------------------------
align 4
.pixloop1cont:
inc eax
jmp .pixloop1
;--------------------------------------
align 4
.pixloop1end:
sub eax, 6
inc ebx
inc ebp
dec esi
jnz .symloop1
popad
add eax, 6
jmp .loop
;--------------------------------------
align 4
.font2:
add edx, edx
lea ebp, [FONT_II+4*edx+edx+1]
push 9
movzx esi, byte [ebp-1]
;--------------------------------------
align 4
.symloop2:
mov dl, byte [ebp]
push esi
;--------------------------------------
align 4
.pixloop2:
shr dl, 1
jnc .nopix2
and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
; call [putpixel]
call __sys_putpixel
jmp .pixloop2cont
;--------------------------------------
align 4
.nopix2:
test ecx, 0x40000000
jz .pixloop2cont
push ecx
mov ecx, [esp+12+20h+20h]
and ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
; call [putpixel]
call __sys_putpixel
pop ecx
;--------------------------------------
align 4
.pixloop2cont:
inc eax
dec esi
jnz .pixloop2
pop esi
sub eax, esi
inc ebx
inc ebp
dec dword [esp]
jnz .symloop2
pop eax
add dword [esp+28], esi
popad
jmp .loop
;--------------------------------------
align 4
.end:
popad
pop eax
ret
;------------------------------------------------------------------------------