New font engine in progress

git-svn-id: svn://kolibrios.org@2461 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Artem Jerdev (art_zh) 2012-03-15 01:02:08 +00:00
parent 91f85b6476
commit 30883bfc24
3 changed files with 260 additions and 229 deletions

View File

@ -47,7 +47,7 @@ syscall_entry:
; sti
push ecx
xor ecx, ecx
mov cl, al
mov cl, al ; keep subfn# in ah
and cl, 7
call dword [servetable3 + ecx * 4]
pop ecx

View File

@ -141,6 +141,8 @@ diff10 "old font code size",dtext,$
align 8
sdsh_data:
diff16 "sdsh_data : ",0,$
include 'fonts/sd_data.asm'
sdsh_code:
@ -154,6 +156,8 @@ sdsh_code:
; then dl = single char to write
; else edx= pointer to asciiz-string
diff16 "draw_char : ",0,$
draw_char:
; font test
; bl=y; bh=x
@ -164,6 +168,7 @@ draw_char:
xor edi, edi
mov ebp, edi
sdsh_draw_char:
; eax = left side X
; ebx = bottom Y
@ -175,21 +180,20 @@ sdsh_draw_char:
push ebp
shl ebp, 4
add ebp, sdsh_data.info
call ch_checkscreen
jb .exit
call ch_checkwin
jc .exit
xor ch, ch
; call ch_checkscreen
; jb .exit
; call ch_checkwin
; jc .exit
mov edx, [ebp + 4] ; chartable addr
mov cx, word[edx + ecx*2] ; tick info
mov edx, ecx
and ecx, 7 ; cl = number of ticks
jz .blank
shr edx, 4 ; offset in the chartable
add edx, [sdsh_data.chars] ; edx -> the char's ticklist
add edx, sdsh_data.chars ; edx -> the char's ticklist
.next_tick:
call parse_tick
add edx, 4
add edx, 2
dec cl
jnz .next_tick
.blank:
@ -201,6 +205,7 @@ sdsh_draw_char:
parse_tick:
diff16 "parse_tick : ",0,$
; eax = left side X
; ebx = bottom Y
; edx ->tickinfo
@ -330,7 +335,7 @@ parse_tick:
add dl, 8
.lntick.both:
sub dl, 2 ; num_vertice = num_points - 2
and cl, 0x18 ; two rotation bits
and cl, 0x18 ; two (lower) rotation bits
shr cl, 3
mov esi, sdsh_data.blank
.draw:
@ -350,86 +355,101 @@ parse_tick:
ret
diff16 "draw_tick : ",0,$
draw_tick:
; eax = x-origin
; ebx = y-origin
; edi = 0x0RRGGBB
; cl = direction (0..7)
; dl = number of vertices (dl)
; dl = number of vertice (dl)
; esi -> tick bitfield
pushad
inc dl ; -- that's to count down to 0
call ch_putpixel ; the point of origin
and ecx, 7
call [.moves + ecx*4] ; basic vector
lea ebp, [.move000+ ecx*4]
call ebp ; basic vector
call ch_putpixel
dec dl
jz .done ; 2pix lines only
mov esi, dword [esi] ; max 16 vertice bitfield limit
and edx, 15
jz .done ; no vertex (2pix line)
mov esi, dword [esi] ; 15 vertice will easily fit to 1dw
xchg esi, edx
.move_and_draw:
mov ch, dl
and ch, 3
jz .moved
btc ecx, 8
dec ch
jz .1
dec ch
jz .2
.3:
dec cl
.1:
dec cl ; right turns (1 and 3)
and cl, 7
@@: btc ecx, 9 ; straight angle (3) ?
jc .1
jmp .moved
dec cl
jmp .wipe_it
.2:
inc cl ; left turn (2)
and cl, 7
btc ecx, 9 ; just to zero ah
inc cl
.wipe_it:
and ecx, 7
.moved:
call [.moves + ecx*4] ; go new way
diff16 "moved : ",0,$
lea ebp, [.move000+ ecx*4]
call ebp ; go new way
call ch_putpixel
shr edx, 2
dec esi
jnz .move_and_draw
diff16 "done : ",0,$
.done:
popad
ret
; WARNING! The order matters! ------
align 4
diff16 "move000 : ",0,$
.move000:
inc eax
ret
align 4
.move001:
inc eax
dec ebx
ret
align 4
.move010:
dec ebx
ret
align 4
.move011:
dec eax
dec ebx
ret
align 4
.move100:
dec eax
ret
align 4
.move101:
dec eax
inc ebx
ret
align 4
.move110:
inc ebx
ret
align 4
diff10 "move111-move000 (must be 28!) : ",.move000,$
.move111:
inc eax
inc ebx
ret
align 4
.moves dd .move000, .move001, .move010, .move011, .move100, .move101, .move110, .move111
;)
;) ---------------
align 4
diff16 "checkscreen : ",0,$
ch_checkscreen:
cmp [Screen_Max_X], eax
jb .getout
@ -438,6 +458,7 @@ ch_checkscreen:
ret
align 4
diff16 "checkwin : ",0,$
ch_checkwin:
; eax = x coordinate
; ebx = y coordinate
@ -472,6 +493,7 @@ ch_checkwin:
ret
align 4
diff16 "ch_putpix : ",0,$
ch_putpixel:
; eax = x coordinate
; ebx = y coordinate

View File

@ -99,6 +99,9 @@ align 4
db 0x30 ; 30
align 4
diff16 "sdsh_data.tick_table: ",0,$
.tick_table:
.v1:
; 32 33
@ -210,6 +213,9 @@ align 4
align 4
.table0:
diff16 "sdsh_data.table0: ",0,$
times 33 dw 0
dw (.ch0_33 -.chars)*16 + 2 ; #33 !
dw (.ch0_34 -.chars)*16 + 2 ; #34 "
@ -422,6 +428,9 @@ diff10 "check font0 table size: ", .table0, $
; ----------------------------------------------------
align 4
diff16 "sdsh_data.chars: ",0,$
.chars:
dw 0
.ch0_33: ; !