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kolibrios/kernel/trunk/gui/font.inc

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align 4
dtext:
; eax x & y
; ebx font ( 0xX0000000 ) & color ( 0x00RRGGBB )
; ecx start of text
; edx length
; edi 1 force
test ebx,0x10000000
jnz dtext2
pushad
mov esi, edx
and esi, 0xff
test esi, esi ; zero length ?
jnz @f
popad
ret
@@:
align 4
.letnew:
push eax ecx edx
movzx ebx,ax
shr eax,16
movzx edx,byte [ecx]
mov ecx,[esp+3*4+32-16]
call drawletter
pop edx ecx eax
add eax,6*65536
inc ecx
dec edx
jnz .letnew
popad
ret
align 4
drawletter:
;eax - x
;ebx - y
;ecx - color
;edx - ascii code
pushad
call [disable_mouse]
mov esi,9
lea ebp,[0x3F600+8*edx+edx]
.symloop:
push esi
mov dl,byte [ebp]
mov esi,8
.pixloop:
test dl,1
jz .nopix
call [putpixel]
.nopix:
shr dl,1
inc eax
dec esi
jnz .pixloop
sub eax,8
inc ebx
inc ebp
pop esi
dec esi
jnz .symloop
popad
ret
dtext2:
; eax x & y
; ebx color
; ecx start of text
; edx length
; edi 1 force
pushad
mov esi,edx
and esi,0xff
test esi,esi ; zero length ?
jnz @f
popad
ret
@@:
align 4
letnew2:
push ecx
push edx
movzx ebx,ax
shr eax,16
movzx edx,byte [ecx]
mov ecx,[esp+2*4+32-16]
call drawletter2
shl eax,16
add eax,ebx
pop edx
pop ecx
inc ecx
dec edx
jnz letnew2
popad
ret
align 4
drawletter2:
;eax - x
;ebx - y
;ecx - color
;edx - symbol
;edi - force?
;result - eax=eax+sym_size
pushad
call [disable_mouse]
shl edx,1
mov esi,9
lea ebp,[0x3EC00+4*edx+edx+1]
.symloop:
push esi
mov dl,byte [ebp]
xor esi,esi
.pixloop:
test dl,1
jz .nopix
call [putpixel]
.nopix:
shr dl,1
inc esi
inc eax
cmp esi,8
jl .pixloop
sub eax,8
inc ebx
pop esi
inc ebp
dec esi
jnz .symloop
movzx edx,byte [ebp-10]
add [esp+32-4],edx
popad
ret