Subversion Repositories Kolibri OS

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;;                                                              ;;

;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;

;;   Distributed FOR KOLIBRIOS AND ITS DIRECT BRANCHES ONLY     ;;

;;     under conditions of the GNU General Public License       ;;

;;                                                              ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

$Revision: 2972 $

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

	test	ecx, 0x20000000

	jnz	.font3

       push eax

	xor	eax, eax

.1:

	pushad

	call	[_display.disable_mouse]

	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

.loop:

	test	ecx, ecx

	js	.test_asciiz

	dec	esi

	js	.end

	jmp	@f

.test_asciiz:

	cmp	byte [edx], 0

	jz	.end

	cmp byte [esp+28], 1	;  was the entry point = dtext.1 ?

	jne   @f

	dec	esi

	js	  .end

@@:

	inc	edx

	pushad			; esp -= 64 !

	movzx	edx, byte [edx-1]

	test	ecx, 0x10000000

	jnz	.font2

	mov	esi, 9

	lea	ebp, [FONT_I+8*edx+edx]

.symloop1:

	mov	dl, byte [ebp]

	or	dl, 1 shl 6

.pixloop1:

	shr	dl, 1

	jz	.pixloop1end

	jnc	.nopix

	call	[putpixel]

	jmp	.pixloop1cont

.nopix:

	test	ecx, 0x40000000

	jz	.pixloop1cont

	push	ecx

	mov	ecx, [esp+4+20h+20h]	; original eax?

	call	[putpixel]

	pop	ecx

.pixloop1cont:

	inc	eax

	jmp	.pixloop1

.pixloop1end:

	sub	eax, 6

	inc	ebx

	inc	ebp

	dec	esi

	jnz	.symloop1

	popad

	add	eax, 6

	jmp	.loop

.font2:

	add	edx, edx

	lea	ebp, [FONT_II+4*edx+edx+1]

	push	9

	movzx	esi, byte [ebp-1]

.symloop2:

	mov	dl, byte [ebp]

	push	esi

.pixloop2:

	shr	dl, 1

	jnc	.nopix2

	call	[putpixel]

	jmp	.pixloop2cont

.nopix2:

	test	ecx, 0x40000000

	jz	.pixloop2cont

	push	ecx

	mov	ecx, [esp+12+20h+20h]

	call	[putpixel]

	pop	ecx

.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

.end:

	popad

	pop  eax

	ret

diff10 "old font  code size",dtext,$

;=====================================================

; NEW FONTS

;_____________________________________________________

;

align 4

.font3:

	pushad

	call	[_display.disable_mouse]

	movsx	eax, bx 	; eax=y

	sar	ebx, 16 	; ebx=x

	xchg	eax, ebx	; eax=x, ebx=y

	xor	ebp, ebp	; font#

	mov	[font_check_routine], ebp

      test  ecx, 0x10000000

      jz    @f

      inc   ebp

@@:

	test	ecx, ecx

	js	.checked

	inc	[font_check_routine];  .check_esi

.checked:

	mov	edi, ecx	; colour

	and	edi, 0x0FFFFFF	; RGB

align 4

.draw_char:

	mov	cl,  byte[edx]	; char#

	movzx	ecx, cl

	call	nsvf_draw_char

	add	eax, 6

	test	[font_check_routine], 1

	jz	.check_asciz

.check_esi:

	inc	edx

	dec	esi

	jz	.exit

	jmp   .draw_char

align 4

.check_asciz:

	or	byte[edx], 0

	jz	.exit

	inc	edx

	jmp   .draw_char

align 4

.exit:

	popad

	ret

align 4

font_check_routine  dd ?

align 8

nsvf_data:

diff16 "sdsh_data      : ",0,$

include 'fonts/sd_data.asm'

nsvf_code:

; eax   =       if (bit[31])

;                               then lower 31 bits points to the user-selected font

;                               else ax = number of preloaded system font

; ebx   =       x<<16 + y

; ecx   =       0x00RRGGBB

; edx   =       if (bits[31:8] == 0)

;                               then dl = single char to write

;                               else edx= pointer to asciiz-string

diff16 "draw_char      : ",0,$

draw_char:

; font test

; bl=y; bh=x

; dl=ascii

	movzx	eax, bh

	movzx	ebx, bl

	movzx	ecx, dl

	xor	edi, edi

	mov	ebp, edi

nsvf_draw_char:

; eax = left side X

; ebx = bottom Y

; edi = colour 0x0RRGGBB

; ebp = font#

; ecx = ascii, zero-extended to 32bits

	push	ecx

	push	edx

	push	ebp

	shl	ebp, 4           ; font header = 16 bytes

	add	ebp, nsvf_info

	call   ch_checkscreen

	jb	       .exit

	call   ch_checkwin

	jc	       .exit

	mov	edx, [ebp + 4]		    ; chartable addr

	mov	cx, word[edx + ecx*2]	    ; tick info

	and   cx, 0xFFE7		  ; bits 3,4 used for width control

	mov	edx, ecx

	and	ecx, 7			    ; cl = number of ticks

	jz	.blank

	shr	edx, 4			    ; offset in the chartable

	add	edx, [ebp + 12] 	    ; edx -> the char's ticklist

.next_tick:

	call	parse_tick

	add	edx, 2

	dec	cl

	jnz	.next_tick

.blank:

.exit:

	pop	ebp

	pop	edx

	pop	ecx

	ret

parse_tick:

diff16 "parse_tick     : ",0,$

; eax = left side X

; ebx = bottom Y

; edx ->tickinfo

; edi = color 0x0RRGGBB

; ebp = font's header

	pushad

	mov	dx, word[edx]

	movzx	ecx, dl

	test	dl, 0xE0

	jz	.lntick.short	; ticks #0..31

	cmp	dl, 0xE0

	jae	.lntick.long	; ticks #224..255

	cmp	dl, 0xD8

	jae	.cstick 	; ticks #216..223

.gptick:

	push	edx

	cmp	dl, 38

	jb	.sptick 	    ; special ticks #32-37

				    ; general ticks #38..215

	mov	cl, dh

	shr	cl, 3		    ; number of origin

	mov	edx, [ebp+8]	    ; orig. table

	mov	ch, byte[edx+ecx]   ; orig. coords

	pop	edx

	mov	cl, dh

	and	cl, 7		    ; three rotation bits

	movzx	edx, dl 	    ; dl = gptick#

	cmp	dl, 80

	jae	.gptick.2

	sub	dl, 38

.gptick.1:

	;  1-byte tickgroups .v1-v4:

	lea	esi, [nsvf.v1+edx]

	inc	dh		  ; dh = 1 vertex

	sub	dl, 2			; .v1 : 2 ticks only (#38, 39)

	jae	.gptick.1v2v4

	mov	dl, dh

	mov	dh, ch

	jmp	.draw

.gptick.1v2v4:

	; 1-byte tickgroups .v2-v4 : 8, 16 and 16 ticks

	inc	dh		 ; dh = 2 vertice

	add	dl, 8

	shr	dl, 4

	jmp	.gptick.done

.gptick.2:

	; 2-byte tickgroups .v5-v8: 8 ticks each

	cmp	dl, 112

	jae	.gptick.3

	sub	dl, 80

	lea	esi, [nsvf.v5 + edx*2]

	mov	dh, 5

	shr	dl, 3

	jmp	.gptick.done

.gptick.3:

	; 3-byte tickgroups .v9-12: 4 ticks each

	cmp	dl, 128

	jae	.gptick.4

	sub	dl, 112

	lea	esi, [nsvf.v9 + edx*2 + edx]

	mov	dh, 9

	shr	dl, 2

	jmp	.gptick.done

.gptick.4:

	; 4-byte tickgroups .v13-16: 4 ticks each

	cmp	dl, 128 		; fix this when needed

	jae	.exit			; not implemented yet!

	sub	dl, 128

	lea	esi, [nsvf.v13 + edx*4]

	mov	dh, 13

	shr	dl, 2

.gptick.done:

	add	dl, dh

	mov	dh, ch			; dh = orig.XY;     dl = numvert

	jmp	.draw			; cl = rotation;   esi-> tickfield

.cstick:

	and	cl, 4

	shr	cl, 2			; only one rotational bit

	and	dl, 3

	jz	.cstick.0

	dec	dl

	jnz	@f

	mov	dl, 6

	jz	.cstick.1		; 8-pix square outline

@@:	dec	dl

	jz	.cstick.2

.cstick.3:

	mov	esi, nsvf_data.cs3	; 12pix-ring

	mov	dl, 10

	jmp	.draw

.cstick.2:

	mov	dl, 7			; 9-pix filled square

.cstick.1:

	mov	esi, nsvf_data.cs2	; the square tickfield

	jmp	.draw

.cstick.0:

	mov	esi, nsvf_data.cs0	; 4pix-square

	mov	dl, 2

	jmp	.draw

.ritick:

	test	dl, 1

	jnz	.ritick.1

	test	dl, 8

	jnz	.ritick.2

.ritick.0:

	movzx	ecx, dh 	    ; y

	and	cl, 0x0F

	sub	ebx, ecx

	mov	cl, dh

	shr	cl, 4		    ; x

	add	eax, ecx

	call	ch_putpixel

	jmp	.exit

.ritick.1:

	mov	esi, nsvf_data.ri1  ; 8pix-ring

	mov	dl, 6

	jmp	.draw

.ritick.2:

	mov	esi, nsvf_data.ri2  ; 16pix-ring

	mov	dl, 14

	jmp	.draw

.lntick.short:

	test	dl, 0x06	    ; ticks #0, 1 are reserved for

	jz	.ritick 	    ;             rotational invariants

	and	dl, 0x07	    ; dl = line length

	jmp	.lntick.both

.lntick.long:

	and	dl, 0x07

	add	dl, 8

.lntick.both:

	sub	dl, 2		    ; num_vertice = num_points - 2

	and	cl, 0x18	    ; two (lower) rotation bits

	shr	cl, 3

	mov	esi, nsvf_data.blank

.draw:

; cl = rot; dl = numvert; dh = orig.xy

	push	ecx

	movzx	ecx, dh 	    ; y

	and	cl, 0x0F

	sub	ebx, ecx

	mov	cl, dh

	shr	cl, 4		    ; x

	add	eax, ecx

	pop	ecx

	call	draw_tick

.gptick.5:

.sptick:

.exit:

	popad

	ret

diff16 "draw_tick      : ",0,$

draw_tick:

; eax = x-origin

; ebx = y-origin

; edi = 0x0RRGGBB

;  cl = direction (0..7)

;  dl = number of vertice  (dl)

; esi -> tick bitfield

	pushad

	call	ch_putpixel			; the point of origin

	and	ecx, 7

	lea	ebp, [.move000+ ecx*4]

	call	ebp		      ; basic vector

	call	ch_putpixel

	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

	dec	ch

	jz	.1

	dec	ch

	jz	.2

.3:

	dec	cl

.1:

	dec	cl

	jmp	.wipe_it

.2:

	inc	cl

.wipe_it:

	and	ecx, 7

.moved:

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

diff16 "checkscreen    : ",0,$

ch_checkscreen:

     cmp	[Screen_Max_X], eax

     jb 	.getout

     cmp	[Screen_Max_Y], ebx

.getout:

     ret

align 4

diff16 "checkwin       : ",0,$

ch_checkwin:

; eax = x coordinate

; ebx = y coordinate

; ebp -> font info

	push	eax

	push	ebx

	push	ecx

	push	edx

	mov	ch,  byte[CURRENT_TASK]

	mov	edx, [_display.width]	    ; screen X-size

	imul	edx, ebx

	add	edx, [_WinMapAddress]

	add	edx, eax

	cmp	ch,  byte [edx]

	jne	.fail

	movzx	eax, byte [ebp] 	    ; char X-width

	cmp	ch,  byte [edx+eax]

	jne	.fail

	movzx	ebx, byte [ebp+1]

	imul	ebx, [_display.width]

	cmp	ch,  byte [edx+ebx]

	jne	.fail

	add	edx, eax

	cmp	ch,  byte [edx+ebx]

	clc

	je     .done

.fail:

	stc				    ; CF means the charbox is invisible

.done:

	pop	edx

	pop	ecx

	pop	ebx

	pop	eax

	ret

align 4

diff16 "ch_putpix      : ",0,$

 ch_putpixel:

; eax = x coordinate

; ebx = y coordinate

; edi = 0x0RRGGBB

     push   edx

	 mov	edx, ebx

     imul	edx, [BytesPerScanLine]

     lea	edx, [edx+eax*4]

     mov   [LFB_BASE+edx], edi

     pop    edx

     ret

;)

;ch_putpixel2:

; test version!!! ===== to be removed!!

; eax = x coordinate

; ebx = y coordinate

; edi = 0x0RRGGBB

     push   edx

	 mov	edx, ebx

	shl	edx, 1

     imul	edx, [BytesPerScanLine]

     lea	edx, [edx+eax*8]

	add	edx, LFB_BASE

     mov   [edx], edi

	mov	[edx+4], edi

	sub	edx, [BytesPerScanLine]

	mov	[edx], edi

	mov	[edx+4], edi

     pop    edx

     ret

diff10 "new font  code size",nsvf_code,$