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kolibrios/programs/develop/libraries/buf2d/trunk/buf2d.asm
IgorA f12d8abc6a add new function 'buf2d_filter_dither' from Heavyiron and diamond 
git-svn-id: svn://kolibrios.org@3105 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-12-14 18:09:51 +00:00

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format MS COFF
public EXPORTS
section '.flat' code readable align 16
include '../../../../macros.inc'
include '../../../../proc32.inc'
;-----------------------------------------------------------------------------
mem.alloc dd ? ;äã­ªæ¨ï ¤«ï ¢ë¤¥«¥­¨ï ¯ ¬ïâ¨
mem.free dd ? ;äã­ªæ¨ï ¤«ï ®á¢®¡®¦¤¥­¨ï ¯ ¬ïâ¨
mem.realloc dd ? ;äã­ªæ¨ï ¤«ï ¯¥à¥à á¯à¥¤¥«¥­¨ï ¯ ¬ïâ¨
dll.load dd ?
BUF_STRUCT_SIZE equ 21
buf2d_data equ dword[edi] ;¤ ­­ë¥ ¡ãä¥à  ¨§®¡à ¦¥­¨ï
buf2d_w equ dword[edi+8] ;è¨à¨­  ¡ãä¥à 
buf2d_h equ dword[edi+12] ;¢ëá®â  ¡ãä¥à 
buf2d_l equ word[edi+4]
buf2d_t equ word[edi+6] ;®âáâ㯠ᢥàåã
buf2d_size_lt equ dword[edi+4] ;®âáâ㯠᫥¢  ¨ á¯à ¢  ¤«ï ¡ãä¥à 
buf2d_color equ dword[edi+16] ;梥â ä®­  ¡ãä¥à 
buf2d_bits equ byte[edi+20] ;ª®«¨ç¥á⢮ ¡¨â ¢ 1-© â®çª¥ ¨§®¡à ¦¥­¨ï
struct buf_2d_header
img_data dd ?
left dw ? ;+4 left
top dw ? ;+6 top
size_x dd ? ;+8 w
size_y dd ? ;+12 h
color dd ? ;+16 color
bit_pp db ? ;+21 bit in pixel
ends
macro swap v1, v2 {
push v1
push v2
pop v1
pop v2
}
;ä« £¨, ¤«ï ä㭪樨 ®¡à¥§ ­¨ï ¡ãä¥à 
BUF2D_OPT_CROP_TOP equ 1 ;®¡à¥§ª  ᢥàåã
BUF2D_OPT_CROP_LEFT equ 2 ;®¡à¥§ª  á«¥¢ 
BUF2D_OPT_CROP_BOTTOM equ 4 ;®¡à¥§ª  á­¨§ã
BUF2D_OPT_CROP_RIGHT equ 8 ;®¡à¥§ª  á¯à ¢ 
BUF2D_BIT_OPT_CROP_TOP equ 0
BUF2D_BIT_OPT_CROP_LEFT equ 1
BUF2D_BIT_OPT_CROP_BOTTOM equ 2
BUF2D_BIT_OPT_CROP_RIGHT equ 3
vox_offs_tree_table equ 4
vox_offs_data equ 12
;input:
; eax = 㪠§ â¥«ì ­  äã­ªæ¨î ¢ë¤¥«¥­¨ï ¯ ¬ïâ¨
; ebx = ... ®á¢®¡®¦¤¥­¨ï ¯ ¬ïâ¨
; ecx = ... ¯¥à¥à á¯à¥¤¥«¥­¨ï ¯ ¬ïâ¨
; edx = ... § £à㧪¨ ¡¨¡«¨®â¥ª¨ (¯®ª  ­¥ ¨á¯®«ì§ã¥âáï)
align 16
lib_init:
mov dword[mem.alloc], eax
mov dword[mem.free], ebx
mov dword[mem.realloc], ecx
mov dword[dll.load], edx
ret
;input:
; ebx = coord x
; ecx = coord y
; edx = pixel color
; edi = pointer to buffer struct
align 4
draw_pixel:
;cmp buf2d_bits,24
;jne @f
bt ebx,31
jc @f
bt ecx,31
jc @f
cmp ebx,buf2d_w
jge @f
cmp ecx,buf2d_h
jge @f
push esi
mov esi,buf2d_w ;size x
imul esi,ecx ;size_x*y
add esi,ebx ;size_x*y+x
cmp buf2d_bits,8
je .beg8
cmp buf2d_bits,32
je .beg32
lea esi,[esi+esi*2] ;(size_x*y+x)*3
add esi,buf2d_data ;ptr+(size_x*y+x)*3
mov word[esi],dx ;copy pixel color
ror edx,16
mov byte[esi+2],dl
ror edx,16
jmp .end_draw
.beg8: ;à¨á®¢ ­¨¥ â®çª¨ ¢ 8 ¡¨â­®¬ ¡ãä¥à¥
add esi,buf2d_data ;ptr+(size_x*y+x)
mov byte[esi],dl
jmp .end_draw
.beg32: ;à¨á®¢ ­¨¥ â®çª¨ ¢ 32 ¡¨â­®¬ ¡ãä¥à¥
shl esi,2
add esi,buf2d_data ;ptr+(size_x*y+x)
mov dword[esi],edx
.end_draw:
pop esi
@@:
ret
;input:
; ebx = coord x
; ecx = coord y
; edi = pointer to buffer struct
;output:
; eax = 梥â â®çª¨
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff
align 4
get_pixel_8:
mov eax,0xffffffff
bt ebx,31
jc @f
bt ecx,31
jc @f
cmp ebx,buf2d_w
jge @f
cmp ecx,buf2d_h
jge @f
push esi
mov esi,buf2d_w ;size x
imul esi,ecx ;size_x*y
add esi,ebx ;size_x*y+x
add esi,buf2d_data ;ptr+(size_x*y+x)
movzx eax,byte[esi] ;copy pixel color
pop esi
@@:
ret
;input:
; ebx = coord x
; ecx = coord y
; edi = pointer to buffer struct
;output:
; eax = 梥â â®çª¨
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff
align 4
get_pixel_24:
mov eax,0xffffffff
bt ebx,31
jc @f
bt ecx,31
jc @f
cmp ebx,buf2d_w
jge @f
cmp ecx,buf2d_h
jge @f
push esi
mov esi,buf2d_w ;size x
imul esi,ecx ;size_x*y
add esi,ebx ;size_x*y+x
lea esi,[esi+esi*2] ;(size_x*y+x)*3
add esi,buf2d_data ;ptr+(size_x*y+x)*3
xor eax,eax
mov ax,word[esi] ;copy pixel color
ror eax,16
mov al,byte[esi+2]
ror eax,16
pop esi
@@:
ret
;input:
; ebx = coord x
; ecx = coord y
; edi = pointer to buffer struct
;output:
; eax = 梥â â®çª¨
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff
align 4
get_pixel_32:
mov eax,0xffffffff
bt ebx,31
jc @f
bt ecx,31
jc @f
cmp ebx,buf2d_w
jge @f
cmp ecx,buf2d_h
jge @f
push esi
mov esi,buf2d_w ;size x
imul esi,ecx ;size_x*y
add esi,ebx ;size_x*y+x
shl esi,2
add esi,buf2d_data ;ptr+(size_x*y+x)*4
mov eax,dword[esi] ;copy pixel color
pop esi
@@:
ret
;input:
; ebx = coord x
; ecx = coord y
; edx = pixel color + transparent
; edi = pointer to buffer struct
; t_prop, m_prop - ª®íä¨æ¨¥­âë ­¥®¡å®¤¨¬ë¥ ¤«ï ¢ëç¨á«¥­¨ï á⥯¥­¨ ¯à®§à ç­®áâ¨
align 4
transp_32 dd 0 ;梥â à¨á㥬®© â®çª¨ + ¯à®§à ç­®áâì
align 4
proc draw_pixel_transp, t_prop:dword, m_prop:dword
;cmp buf2d_bits,24
;jne @f
bt ebx,31
jc @f
bt ecx,31
jc @f
cmp ebx,buf2d_w
jge @f
cmp ecx,buf2d_h
jge @f
push eax ebx edx edi esi
mov esi,buf2d_w ;size x
imul esi,ecx ;size_x*y
add esi,ebx ;size_x*y+x
lea esi,[esi+esi*2] ;(size_x*y+x)*3
add esi,buf2d_data ;ptr+(size_x*y+x)*3
mov edi,esi ;㪠§ â¥«ì ­  梥â ä®­ 
mov dword[transp_32],edx ;梥â à¨á㥬®© â®çª¨
xor edx,edx
mov eax,[t_prop]
shl eax,8 ;*=256
mov ebx,[m_prop]
div ebx ;¢ëç¨á«ï¥¬ ª®íä. ¯à®§à ç­®á⨠(¤®«¦¥­ ¡ëâì ®â 0 ¤® 255)
bt ax,8
jnc .over_255
;¥á«¨ ª®¥ä. ¯à®§à ç­®á⨠>=256 ⮠㬥­ìè ¥¬ ¥£® ¤® 255
mov al,0xff
.over_255:
mov byte[transp_32+3],al ;¯à®§à ç­®áâì à¨á㥬®© â®çª¨
mov esi,dword transp_32 ;㪠§ â¥«ì ­  梥â à¨á㥬®© â®çª¨
call combine_colors_0
pop esi edi edx ebx eax
@@:
ret
endp
;ᮧ¤ ­¨¥ ¡ãä¥à 
align 4
proc buf_create, buf_struc:dword
pushad
mov edi,dword[buf_struc]
mov ecx,buf2d_w
mov ebx,buf2d_h
imul ecx,ebx
cmp buf2d_bits,24
jne @f
lea ecx,[ecx+ecx*2] ; 24 bit = 3
;;;inc ecx ;§ ¯ á­®© ¡ ©â ¢ ª®­æ¥ ¡ãä¥à , çâ®-¡ë ­¥ £«î稫¨ ­¥ª®â®àë¥ ä㭪樨 ­  ¨§®¡à ¦¥­¨ïå ªà â­ëå 4Š
@@:
cmp buf2d_bits,32
jne @f
shl ecx,2 ; 32 bit = 4
@@:
invoke mem.alloc,ecx
mov buf2d_data,eax
stdcall buf_clear,edi,buf2d_color ;®ç¨á⪠ ¡ãä¥à  ä®­®¢ë¬ 梥⮬
popad
ret
endp
;ᮧ¤ ­¨¥ ¡ãä¥à  ­  ®á­®¢¥ ¨§®¡à ¦¥­¨ï rgb
align 4
proc buf_create_f_img, buf_struc:dword, rgb_data:dword
pushad
mov edi,dword[buf_struc]
mov ecx,buf2d_w
mov ebx,buf2d_h
imul ecx,ebx
cmp buf2d_bits,24
jne @f
lea ecx,[ecx+ecx*2] ; 24 bit = 3
;;;inc ecx ;§ ¯ á­®© ¡ ©â ¢ ª®­æ¥ ¡ãä¥à , çâ®-¡ë ­¥ £«î稫¨ ­¥ª®â®àë¥ ä㭪樨 ­  ¨§®¡à ¦¥­¨ïå ªà â­ëå 4Š
@@:
cmp buf2d_bits,32
jne @f
shl ecx,2 ; 32 bit = 4
@@:
invoke mem.alloc,ecx
mov buf2d_data,eax
cmp buf2d_bits,24
jne @f
cld
mov esi,[rgb_data]
mov edi,eax ;eax=buf2d_data
rep movsb ;ª®¯¨à㥬 ¡¨âë ¨§®¡à ¦¥­¨ï ¢ ¡ãä¥à
jmp .end_create
@@:
stdcall buf_clear,edi,buf2d_color ;®ç¨á⪠ ¡ãä¥à  ä®­®¢ë¬ 梥⮬
.end_create:
popad
ret
endp
align 4
proc buf_clear, buf_struc:dword, color:dword ;®ç¨á⪠ ¡ãä¥à  § ¤ ­ë¬ 梥⮬
pushad
mov edi,dword[buf_struc]
mov ecx,buf2d_w
mov ebx,buf2d_h
imul ecx,ebx
cld
cmp buf2d_bits,8
jne .end_clear_8
mov edi,buf2d_data
mov al,byte[color]
rep stosb
jmp .end_clear_32
.end_clear_8:
cmp buf2d_bits,24
jne .end_clear_24
mov edi,buf2d_data
mov eax,dword[color]
mov ebx,eax
shr ebx,16
@@:
stosw
mov byte[edi],bl
inc edi
loop @b
jmp .end_clear_32
.end_clear_24:
cmp buf2d_bits,32
jne .end_clear_32
mov edi,buf2d_data
mov eax,dword[color]
rep stosd
;jmp .end_clear_32
.end_clear_32:
popad
ret
endp
;äã­ªæ¨ï ¤«ï ®¡à¥§ ­¨ï ¡ãä¥à®¢ 8 ¨ 24 ¡¨â­ëå, ¯® § ¤ ­®¬ã 梥âã.
;¯ à ¬¥âà opt § ¤ ¥âáï ª®¬¡¨­ æ¨¥© ª®­áâ ­â:
; BUF2D_OPT_CROP_TOP - ®¡à¥§ª  ᢥàåã
; BUF2D_OPT_CROP_LEFT - ®¡à¥§ª  á«¥¢ 
; BUF2D_OPT_CROP_BOTTOM - ®¡à¥§ª  á­¨§ã
; BUF2D_OPT_CROP_RIGHT - ®¡à¥§ª  á¯à ¢ 
align 4
proc buf_crop_color, buf_struc:dword, color:dword, opt:dword
locals
crop_r dd ?
endl
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .24end_f
bt dword[opt],BUF2D_BIT_OPT_CROP_BOTTOM
jae .24no_crop_bottom
mov eax,dword[color]
mov edx,eax ;ax = colors - r,g
shr edx,16 ;dl = color - b
mov ecx,buf2d_h
cmp ecx,1
jle .24no_crop_bottom ;¯à®¢¥à塞 ­  á«ãç © ¥á«¨ ¢ëá®â  ¡ãä¥à  1 ¯¨ªá¥«ì
mov ebx,buf2d_w
imul ecx,ebx
lea esi,[ecx+ecx*2] ;esi=3*ecx
add esi,buf2d_data
cld
@@:
sub esi,3
cmp word[esi],ax
jne @f
cmp byte[esi+2],dl
jne @f
loop @b
@@:
lea ebx,[ebx+ebx*2]
xor edx,edx
mov eax,buf2d_h
imul eax,ebx
add eax,buf2d_data ;eax - 㪠§ â¥«ì ­  ª®­¥æ ¡ãä¥à  ¨§®¡à ¦¥­¨ï
@@:
add esi,ebx
cmp esi,eax
jge @f
inc edx ;¢ëç¨á«ï¥¬ ç¨á«® ¯®«­ëå áâப ¤«ï ®¡à¥§ ­¨ï
loop @b
@@:
cmp edx,0
je .24no_crop_bottom
cmp edx,buf2d_h
jge .24no_crop_bottom ;çâ®-¡ë ­¥ ¯®«ãç¨âì ¯ãá⮩ ¡ãä¥à
sub buf2d_h,edx ;㬥­ìè ¥¬ ¢ëá®âã ¡ãä¥à 
mov ecx,buf2d_h
imul ecx,ebx ;ecx = ­®¢ë© à §¬¥à ¨§®¡à ¦¥­¨ï
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.24no_crop_bottom:
bt dword[opt],BUF2D_BIT_OPT_CROP_TOP
jae .24no_crop_top
mov eax,dword[color]
mov edx,eax ;ax = colors - r,g
shr edx,16 ;dl = color - b
mov esi,buf2d_data
mov ecx,buf2d_h
cmp ecx,1
jle .24no_crop_top ;¯à®¢¥à塞 ­  á«ãç © ¥á«¨ ¢ëá®â  ¡ãä¥à  1 ¯¨ªá¥«ì
dec ecx ;¯à¨ ®¡à¥§ ­¨¨ ¤®«¦­  ®áâ âìáï ¬¨­¨¬ã¬ 1-­  áâப  ¯¨ªá¥«¥©
mov ebx,buf2d_w
imul ecx,ebx
cld
@@:
cmp word[esi],ax
jne @f
cmp byte[esi+2],dl
jne @f
add esi,3
loop @b
@@:
lea ebx,[ebx+ebx*2]
xor edx,edx
@@:
sub esi,ebx
cmp esi,buf2d_data
jl @f
inc edx ;¢ëç¨á«ï¥¬ ç¨á«® ¯®«­ëå áâப ¤«ï ®¡à¥§ ­¨ï
loop @b
@@:
cmp edx,0
je .24no_crop_top
xor eax,eax
sub eax,edx
mov ebx,buf2d_h
sub ebx,edx
stdcall buf_offset_h, edi, eax, edx, ebx ;ᤢ¨£ ¥¬ ¨§®¡à ¦¥­¨¥ ¢ ¡ãä¥à¥ ¢¢¥àå (eax<0)
sub buf2d_h,edx ;㬥­ìè ¥¬ ¢ëá®âã ¡ãä¥à 
mov ecx,buf2d_h
add buf2d_t,dx ;ᤢ¨£ ¥¬ ®âáâ㯠¢­¨§, ­  ç¨á«® ®¡à¥§ ­­ëå áâப
mov ebx,buf2d_w
imul ecx,ebx
lea ecx,[ecx+ecx*2]
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.24no_crop_top:
bt dword[opt],BUF2D_BIT_OPT_CROP_RIGHT
jae .24no_crop_right
mov eax,dword[color]
mov edx,eax ;ax = colors - r,g
shr edx,16 ;dl = color - b
mov ebx,buf2d_w
cmp ebx,1
jle .24no_crop_right ;­  á«ãç © ¥á«¨ è¨à¨­  ¡ãä¥à  1 ¯¨ªá¥«ì
lea ebx,[ebx+ebx*2]
mov esi,ebx
imul esi,buf2d_h
add esi,buf2d_data ;esi - 㪠§ â¥«ì ­  ª®­¥æ ¡ãä¥à  ¨§®¡à ¦¥­¨ï
mov dword[crop_r],0
cld
.24found_beg_right:
sub esi,3 ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢«¥¢®
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
cmp word[esi],ax
jne .24found_right
cmp byte[esi+2],dl
jne .24found_right
sub esi,ebx ;¯à룠¥¬ ­  ¢¥àå­îî áâபã
loop @b
inc dword[crop_r]
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp dword[crop_r],ecx
jge .24found_right
sub esi,3 ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢«¥¢®
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
add esi,ebx ;¯à룠¥¬ ­  ­¨¦­îî áâபã
cmp word[esi],ax
jne .24found_right
cmp byte[esi+2],dl
jne .24found_right
loop @b
inc dword[crop_r]
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp dword[crop_r],ecx
jl .24found_beg_right
.24found_right:
cmp dword[crop_r],0
je .24no_crop_right
mov ecx,buf2d_w
sub ecx,dword[crop_r]
stdcall img_rgb_crop_r, buf2d_data, buf2d_w, ecx, buf2d_h ;®¡à¥§ ¥¬ ¡ãä¥à, ¯® ­®¢®¬ã à §¬¥àã
mov buf2d_w,ecx ;áâ ¢¨¬ ­®¢ãî è¨à¨­ã ¤«ï ¡ãä¥à 
mov ebx,buf2d_h
imul ecx,ebx
lea ecx,[ecx+ecx*2]
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.24no_crop_right:
bt dword[opt],BUF2D_BIT_OPT_CROP_LEFT
jae .24no_crop_left
mov eax,dword[color]
mov edx,eax ;ax = colors - r,g
shr edx,16 ;dl = color - b
mov ebx,buf2d_w
cmp ebx,1
jle .24no_crop_left ;­  á«ãç © ¥á«¨ è¨à¨­  ¡ãä¥à  1 ¯¨ªá¥«ì
lea ebx,[ebx+ebx*2]
mov esi,buf2d_data ;esi - 㪠§ â¥«ì ­  ­ ç®«® ¡ãä¥à  ¨§®¡à ¦¥­¨ï
mov dword[crop_r],0
cld
.24found_beg_left:
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
cmp word[esi],ax
jne .24found_left
cmp byte[esi+2],dl
jne .24found_left
add esi,ebx ;¯à룠¥¬ ­  ­¨¦­îî áâபã
loop @b
inc dword[crop_r]
add esi,3 ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢¯à ¢®
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp dword[crop_r],ecx
jge .24found_left
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
sub esi,ebx ;¯à룠¥¬ ­  ¢¥àå­îî áâபã
cmp word[esi],ax
jne .24found_left
cmp byte[esi+2],dl
jne .24found_left
loop @b
inc dword[crop_r]
add esi,3 ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢¯à ¢®
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp dword[crop_r],ecx
jl .24found_beg_left
.24found_left:
cmp dword[crop_r],0
je .24no_crop_left
mov ecx,buf2d_w
sub ecx,dword[crop_r]
stdcall img_rgb_crop_l, buf2d_data, buf2d_w, ecx, buf2d_h ;®¡à¥§ ¥¬ ¡ãä¥à, ¯® ­®¢®¬ã à §¬¥àã
mov buf2d_w,ecx ;áâ ¢¨¬ ­®¢ãî è¨à¨­ã ¤«ï ¡ãä¥à 
mov ebx,buf2d_h
imul ecx,ebx
lea ecx,[ecx+ecx*2]
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
mov eax,dword[crop_r]
add buf2d_l,ax
.24no_crop_left:
.24end_f:
cmp buf2d_bits,8
jne .8end_f
bt dword[opt],BUF2D_BIT_OPT_CROP_BOTTOM
jae .8no_crop_bottom
mov eax,dword[color]
mov esi,buf2d_data
mov ecx,buf2d_h
cmp ecx,1
jle .8no_crop_bottom ;¯à®¢¥à塞 ­  á«ãç © ¥á«¨ ¢ëá®â  ¡ãä¥à  1 ¯¨ªá¥«ì
mov ebx,buf2d_w
imul ecx,ebx
mov esi,ecx
add esi,buf2d_data
cld
@@:
dec esi
cmp byte[esi],al
jne @f
loop @b
@@:
xor edx,edx
mov eax,buf2d_h
imul eax,ebx
add eax,buf2d_data ;eax - 㪠§ â¥«ì ­  ª®­¥æ ¡ãä¥à  ¨§®¡à ¦¥­¨ï
@@:
add esi,ebx
cmp esi,eax
jge @f
inc edx
loop @b
@@:
cmp edx,0
je .8no_crop_bottom
cmp edx,buf2d_h
jge .8no_crop_bottom ;çâ®-¡ë ­¥ ¯®«ãç¨âì ¯ãá⮩ ¡ãä¥à
sub buf2d_h,edx ;㬥­ìè ¥¬ ¢ëá®âã ¡ãä¥à 
mov ecx,buf2d_h
imul ecx,ebx ;ecx = ­®¢ë© à §¬¥à ¨§®¡à ¦¥­¨ï
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.8no_crop_bottom:
bt dword[opt],BUF2D_BIT_OPT_CROP_TOP
jae .8no_crop_top
mov eax,dword[color]
mov esi,buf2d_data
mov ecx,buf2d_h
cmp ecx,1
jle .8no_crop_top ;¯à®¢¥à塞 ­  á«ãç © ¥á«¨ ¢ëá®â  ¡ãä¥à  1 ¯¨ªá¥«ì
dec ecx ;¯à¨ ®¡à¥§ ­¨¨ ¤®«¦­  ®áâ âìáï ¬¨­¨¬ã¬ 1-­  áâப  ¯¨ªá¥«¥©
mov ebx,buf2d_w
imul ecx,ebx
cld
@@:
cmp byte[esi],al
jne @f
inc esi
loop @b
@@:
xor edx,edx
@@:
sub esi,ebx
cmp esi,buf2d_data
jl @f
inc edx
loop @b
@@:
cmp edx,0
je .8no_crop_top
xor eax,eax
sub eax,edx
mov ebx,buf2d_h
sub ebx,edx
stdcall buf_offset_h, edi, eax, edx, ebx
mov ecx,buf2d_h
sub ecx,edx
mov buf2d_h,ecx ;㬥­ìè ¥¬ ¢ëá®âã ¡ãä¥à 
add buf2d_t,dx ;ᤢ¨£ ¥¬ ®âáâ㯠¢­¨§, ­  ç¨á«® ®¡à¥§ ­­ëå áâப
mov ebx,buf2d_w
imul ecx,ebx
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.8no_crop_top:
bt dword[opt],BUF2D_BIT_OPT_CROP_RIGHT
jae .8no_crop_right
mov eax,dword[color]
mov ebx,buf2d_w
cmp ebx,1
jle .8no_crop_right ;­  á«ãç © ¥á«¨ è¨à¨­  ¡ãä¥à  1 ¯¨ªá¥«ì
mov esi,ebx
imul esi,buf2d_h
add esi,buf2d_data ;esi - 㪠§ â¥«ì ­  ª®­¥æ ¡ãä¥à  ¨§®¡à ¦¥­¨ï
xor edx,edx
cld
.8found_beg:
dec esi ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢«¥¢®
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
cmp byte[esi],al
jne .8found
sub esi,ebx ;¯à룠¥¬ ­  ¢¥àå­îî áâபã
loop @b
inc edx
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp edx,ecx
jge .8found
dec esi ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢«¥¢®
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
add esi,ebx ;¯à룠¥¬ ­  ­¨¦­îî áâபã
cmp byte[esi],al
jne .8found
loop @b
inc edx
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp edx,ecx
jl .8found_beg
.8found:
cmp edx,0
je .8no_crop_right
mov ecx,buf2d_w
sub ecx,edx
stdcall img_gray_crop_r, buf2d_data, buf2d_w, ecx, buf2d_h ;®¡à¥§ ¥¬ ¡ãä¥à, ¯® ­®¢®¬ã à §¬¥àã
mov buf2d_w,ecx ;áâ ¢¨¬ ­®¢ãî è¨à¨­ã ¤«ï ¡ãä¥à 
mov ebx,buf2d_h
imul ecx,ebx
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.8no_crop_right:
bt dword[opt],BUF2D_BIT_OPT_CROP_LEFT
jae .8no_crop_left
mov eax,dword[color]
mov ebx,buf2d_w
cmp ebx,1
jle .8no_crop_left ;­  á«ãç © ¥á«¨ è¨à¨­  ¡ãä¥à  1 ¯¨ªá¥«ì
mov esi,buf2d_data ;esi - 㪠§ â¥«ì ­  ­ ç®«® ¡ãä¥à  ¨§®¡à ¦¥­¨ï
mov edx,0
cld
.8found_beg_left:
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
cmp word[esi],ax
jne .8found_left
add esi,ebx ;¯à룠¥¬ ­  ­¨¦­îî áâபã
loop @b
inc edx
inc esi ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢¯à ¢®
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp edx,ecx
jge .8found_left
mov ecx,buf2d_h ;¢®ááâ ­®¢«¥­¨¥ ecx ¤«ï ­®¢®£® 横« 
@@:
sub esi,ebx ;¯à룠¥¬ ­  ¢¥àå­îî áâபã
cmp word[esi],ax
jne .8found_left
loop @b
inc edx
inc esi ;¤¢¨£ ¥¬áï ­  1-­ã ª®«®­ªã ¢¯à ¢®
mov ecx,buf2d_w
dec ecx ;1 ª®«®­ª  ­  § ¯ á
cmp edx,ecx
jl .8found_beg_left
.8found_left:
cmp edx,0
je .8no_crop_left
mov ecx,buf2d_w
sub ecx,edx
stdcall img_gray_crop_l, buf2d_data, buf2d_w, ecx, buf2d_h ;®¡à¥§ ¥¬ ¡ãä¥à, ¯® ­®¢®¬ã à §¬¥àã
mov buf2d_w,ecx ;áâ ¢¨¬ ­®¢ãî è¨à¨­ã ¤«ï ¡ãä¥à 
mov ebx,buf2d_h
imul ecx,ebx
invoke mem.realloc,buf2d_data,ecx
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
mov eax,edx
add buf2d_l,ax
.8no_crop_left:
.8end_f:
popad
ret
endp
;®¡à¥§ ¥¬ 梥⭮¥ ¨§®¡à ¦¥­¨¥ á ¯à ¢®© áâ®à®­ë
;input:
;data_rgb - pointer to rgb data
;size_w_old - width img in pixels
;size_w_new - new width img in pixels
;size_h - height img in pixels
align 4
proc img_rgb_crop_r, data_rgb:dword, size_w_old:dword, size_w_new:dword, size_h:dword
pushad
mov eax, dword[size_w_old]
lea eax, dword[eax+eax*2] ;eax = width(old) * 3(rgb)
mov ebx, dword[size_w_new]
lea ebx, dword[ebx+ebx*2] ;ebx = width(new) * 3(rgb)
mov edx, dword[size_h]
mov edi, dword[data_rgb] ;edi - ¯®«ã砥⠤ ­­ë¥
mov esi, edi
add edi, ebx
add esi, eax
cld
@@:
dec edx ;㬥­ìè ¥¬ áç¥â稪 ®áâ ¢è¨åáï áâப ­  1
cmp edx,0
jle @f
mov ecx, ebx
rep movsb ;¯¥à¥­®á (ª®¯¨à®¢ ­¨¥) áâப¨ ¯¨ªá¥«¥©
add esi,eax ;¯¥à¥å®¤ ­  ­®¢ãî áâà®çªã ¨§®¡à ¦¥­¨ï
sub esi,ebx
jmp @b
@@:
popad
ret
endp
;®¡à¥§ ¥¬ á¥à®¥ ¨§®¡à ¦¥­¨¥ á ¯à ¢®© áâ®à®­ë
;input:
;data_gray - pointer to gray data
;size_w_old - width img in pixels
;size_w_new - new width img in pixels
;size_h - height img in pixels
align 4
proc img_gray_crop_r, data_gray:dword, size_w_old:dword, size_w_new:dword, size_h:dword
pushad
mov eax, dword[size_w_old]
mov ebx, dword[size_w_new]
mov edx, dword[size_h]
mov edi, dword[data_gray] ;edi - ¯®«ã砥⠤ ­­ë¥
mov esi, edi
add edi, ebx
add esi, eax
cld
@@:
dec edx ;㬥­ìè ¥¬ áç¥â稪 ®áâ ¢è¨åáï áâப ­  1
cmp edx,0
jle @f
mov ecx, ebx
rep movsb ;¯¥à¥­®á (ª®¯¨à®¢ ­¨¥) áâப¨ ¯¨ªá¥«¥©
add esi,eax ;¯¥à¥å®¤ ­  ­®¢ãî áâà®çªã ¨§®¡à ¦¥­¨ï
sub esi,ebx
jmp @b
@@:
popad
ret
endp
;®¡à¥§ ¥¬ 梥⭮¥ ¨§®¡à ¦¥­¨¥ á «¥¢®© áâ®à®­ë
;input:
;data_rgb - pointer to rgb data
;size_w_old - width img in pixels
;size_w_new - new width img in pixels
;size_h - height img in pixels
align 4
proc img_rgb_crop_l, data_rgb:dword, size_w_old:dword, size_w_new:dword, size_h:dword
pushad
mov edi,dword[data_rgb]
mov esi,edi
mov eax,dword[size_w_old]
mov ebx,dword[size_w_new]
cmp eax,ebx
jle .end_f ;áâ àë© à §¬¥à ¨§®¡à ¦¥­¨ï ­¥ ¬®¦¥â ¡ëâì ¬¥­ìè¥ ­®¢®£® (¯à¨ ãá«®¢¨¨ ®¡à¥§ ­¨ï ª à⨭ª¨)
lea eax,[eax+eax*2]
lea ebx,[ebx+ebx*2]
sub eax,ebx
mov edx,dword[size_h] ;¢ëá®â  ¨§®¡à ¦¥­¨ï
cld
@@:
add esi,eax
mov ecx,ebx
rep movsb
dec edx
cmp edx,0
jg @b
.end_f:
popad
ret
endp
;®¡à¥§ ¥¬ á¥à®¥ ¨§®¡à ¦¥­¨¥ á «¥¢®© áâ®à®­ë
;input:
;data_gray - pointer to gray data
;size_w_old - width img in pixels
;size_w_new - new width img in pixels
;size_h - height img in pixels
align 4
proc img_gray_crop_l, data_gray:dword, size_w_old:dword, size_w_new:dword, size_h:dword
pushad
mov edi,dword[data_gray]
mov esi,edi
mov eax,dword[size_w_old]
mov ebx,dword[size_w_new]
cmp eax,ebx
jle .end_f ;áâ àë© à §¬¥à ¨§®¡à ¦¥­¨ï ­¥ ¬®¦¥â ¡ëâì ¬¥­ìè¥ ­®¢®£® (¯à¨ ãá«®¢¨¨ ®¡à¥§ ­¨ï ª à⨭ª¨)
sub eax,ebx
mov edx,dword[size_h] ;¢ëá®â  ¨§®¡à ¦¥­¨ï
cld
@@:
add esi,eax
mov ecx,ebx
rep movsb
dec edx
cmp edx,0
jg @b
.end_f:
popad
ret
endp
;hoffs - ª®««¨ç¥á⢮ ¯¨ªá¥«¥© ­  ª®âàë¥ ¯®¤­¨¬ ¥âáï/®¯ã᪠¥âáï ¨§®¡à ¦¥­¨¥
;img_t - ¢ëá®â , á ª®â®à®© ­ ç¨­ ¥âáï ¤¢¨£ îé ïáï ç áâì ¨§®¡à ¦¥­¨ï
align 4
proc buf_offset_h, buf_struc:dword, hoffs:dword, img_t:dword, img_h:dword ;ᤢ¨£ ¥â ¨§®¡à ¦¥­¨¥ ¯® ¢ëá®â¥
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .end_move_24
mov eax,[hoffs]
cmp eax,0
je .end_move_24
mov ebx,buf2d_w
mov edx,dword[img_t]
mov ecx,dword[img_h] ;ecx - ¢ëá®â  ᤢ¨£ ¥¬ëå ¤ ­­ëå
cmp ecx,buf2d_h
jge .end_f ;®è¨¡®ç­®¥ ãá«®¢¨¥, ¢ëá®â  ¨§®¡à ¦¥­¨ï ¬¥­ìè¥ ç¥¬ ¢ëá®â  ᤢ¨£ ¥¬®£® ¨§®¡à ¦¥­¨ï
imul ecx,ebx ;ecx - ª®««¨ç¥á⢮ ¯¨ªá¥«¥© ¢ ᤢ¨£ ¥¬ëå ¤ ­­ëå
lea ecx,[ecx+ecx*2]
imul ebx,edx
lea ebx,[ebx+ebx*2]
mov esi,buf2d_data
add esi,ebx
add edx,eax ;edx = img_t+hoffs (hoffs<0)
mov ebx,buf2d_w
imul ebx,edx
lea ebx,[ebx+ebx*2]
mov edi,buf2d_data ;¯®§¨æ¨ï, ªã¤  ¡ã¤¥â ¤¢¨£ âìáï ¨§®¡à ¦¥­¨¥
add edi,ebx
cmp eax,0
jg .move_down_24
;¤¢¨£ ¥¬ ¨§®¡à ¦¥­¨¥ ¢¢¥àå
cld
rep movsb
jmp .end_f
.move_down_24:
;¤¢¨£ ¥¬ ¨§®¡à ¦¥­¨¥ ¢­¨§
add esi,ecx
dec esi
add edi,ecx
dec edi
std
rep movsb
jmp .end_f
.end_move_24:
;stdcall print_err,sz_buf2d_offset_h,txt_err_n24b
cmp buf2d_bits,8
jne .end_move_8
mov eax,[hoffs]
cmp eax,0
je .end_move_8
;¤¢¨£ ¥¬ ¨§®¡à ¦¥­¨¥ ¢¢¥àå
mov ebx,buf2d_w
mov edx,dword[img_t]
mov ecx,dword[img_h] ;ecx - ¢ëá®â  ᤢ¨£ ¥¬ëå ¤ ­­ëå
cmp ecx,buf2d_h
jge .end_f ;®è¨¡®ç­®¥ ãá«®¢¨¥, ¢ëá®â  ¨§®¡à ¦¥­¨ï ¬¥­ìè¥ ç¥¬ ¢ëá®â  ᤢ¨£ ¥¬®£® ¨§®¡à ¦¥­¨ï
imul ecx,ebx ;ecx - ª®««¨ç¥á⢮ ¯¨ªá¥«¥© ¢ ᤢ¨£ ¥¬ëå ¤ ­­ëå
imul ebx,edx
mov esi,buf2d_data
add esi,ebx
add edx,eax ;edx = img_t+hoffs (hoffs<0)
mov ebx,buf2d_w
imul ebx,edx
mov edi,buf2d_data ;¯®§¨æ¨ï, ªã¤  ¡ã¤¥â ¤¢¨£ âìáï ¨§®¡à ¦¥­¨¥
add edi,ebx
cmp eax,0
jg .move_down_8
cld
rep movsb
jmp .end_f
.move_down_8:
;¤¢¨£ ¥¬ ¨§®¡à ¦¥­¨¥ ¢­¨§
add esi,ecx
dec esi
add edi,ecx
dec edi
std
rep movsb
jmp .end_f
.end_move_8:
.end_f:
popad
ret
endp
align 4
proc buf_draw_buf, buf_struc:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .error
mov eax,7
mov ebx,buf2d_data
mov ecx,buf2d_w
ror ecx,16
mov edx,buf2d_h
mov cx,dx
mov edx,buf2d_size_lt
ror edx,16
int 0x40
jmp .end_draw_24
.error:
stdcall print_err,sz_buf2d_draw,txt_err_n24b
.end_draw_24:
popad
ret
endp
align 4
proc buf_delete, buf_struc:dword
push eax edi
mov edi,dword[buf_struc]
invoke mem.free,buf2d_data
pop edi eax
ret
endp
align 4
proc buf_resize, buf_struc:dword, new_w:dword, new_h:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .24bit
mov eax,dword[new_w]
cmp eax,1
jl @f
mov buf2d_w,eax
@@:
mov ecx,buf2d_w
mov eax,dword[new_h]
cmp eax,1
jl @f
mov buf2d_h,eax
@@:
mov ebx,buf2d_h
imul ecx,ebx
lea ecx,[ecx+ecx*2] ; 24 bit = 3
invoke mem.realloc,buf2d_data,ecx ;¨§¬¥­ï¥¬ ¯ ¬ïâì § ­¨¬ ¥¬ãî ¡ãä¥à®¬
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
.24bit:
popad
ret
endp
align 4
rot_table: ;â ¡«¨æ  ¤«ï 㪠§ ­¨ï ­  ¯®¤ä㭪樨 ¤«ï ¯®¢®à®â®¢
dd buf_rotate.8b90,buf_rotate.24b90,buf_rotate.32b90,\
buf_rotate.8b180,buf_rotate.24b180,buf_rotate.32b180
;¯®¢®à®â ¨§®¡à ¦¥­¨ï ­  90 ¨«¨ 180 £à ¤ãᮢ
align 4
proc buf_rotate, buf_struc:dword, angle:dword
locals
n_data dd ?
dec_h dd ? ;ç¨á«® ¡ ©â, ¤«ï 㬥­ì襭¨ï ª®®à¤¨­ âë y
endl
pushad
mov edi,[buf_struc]
mov ebx,buf2d_w
mov ecx,buf2d_h
lea eax,[rot_table]
cmp dword[angle],90 ;¯à®¢¥àª  㣫  ¯®¢®à®â 
je .beg_0
cmp dword[angle],180
jne @f
add eax,12
jmp .beg_0
@@:
jmp .end_f
.beg_0: ;¯à®¢¥àª  ¡¨â­®á⨠¡ãä¥à 
cmp buf2d_bits,8
jne @f
jmp dword[eax]
@@:
cmp buf2d_bits,24
jne @f
add eax,4
jmp dword[eax]
@@:
cmp buf2d_bits,32
jne @f
add eax,8
jmp dword[eax]
@@:
jmp .end_f
.8b90: ;¯®¢®à®â 8 ¡¨â­®£® ¡ãä¥à  ­  90 £à ¤ãᮢ
mov edx,ecx ;edx - buf_h
imul ecx,ebx
invoke mem.alloc,ecx ;¢ë¤¥«ï¥¬ ¢à¥¬¥­­ãî ¯ ¬ïâì
cmp eax,0
je .end_f
mov [n_data],eax
mov [dec_h],ecx
inc dword[dec_h]
;copy buf --> mem
mov edi,[buf_struc]
mov esi,buf2d_data
mov edi,eax ;[n_data]
dec edx ;ª®à¥ªâ¨à㥬 edx ­  1 ¡ ©â, ¤«ï ª®¬¯¥­á æ¨¨ ᤢ¨£  ¢ movsb
add edi,edx
xor eax,eax
cld
.cycle_0:
movsb
add edi,edx
inc eax
cmp eax,ebx
jl @f
xor eax,eax
sub edi,[dec_h]
@@:
loop .cycle_0
;change buf_w <---> buf_h
mov esi,[n_data]
mov edi,[buf_struc]
mov edi,buf2d_data
mov ecx,ebx
inc edx ;¨á¯à ¢«ï¥¬ ᪮४â¨à®¢ ­­ë© edx
imul ecx,edx
;copy buf <-- mem
;cld
rep movsb
invoke mem.free,[n_data]
jmp .change_w_h
.24b90: ;¯®¢®à®â 24 ¡¨â­®£® ¡ãä¥à  ­  90 £à ¤ãᮢ
mov esi,ecx
imul esi,ebx
lea ecx,[ecx+ecx*2]
mov edx,ecx ;edx - buf_h * 3
imul ecx,ebx
invoke mem.alloc,ecx ;¢ë¤¥«ï¥¬ ¢à¥¬¥­­ãî ¯ ¬ïâì
cmp eax,0
je .end_f
mov [n_data],eax
mov [dec_h],ecx
add dword[dec_h],3
;copy buf --> mem
mov edi,[buf_struc]
mov ecx,esi
mov esi,buf2d_data
mov edi,eax ;[n_data]
sub edx,3 ;ª®à¥ªâ¨à㥬 edx ­  3 ¡ ©â , ¤«ï ª®¬¯¥­á æ¨¨ ᤢ¨£ 
add edi,edx
xor eax,eax
cld
.cycle_1:
movsw
movsb
add edi,edx
inc eax
cmp eax,ebx
jl @f
xor eax,eax
sub edi,[dec_h]
@@:
loop .cycle_1
;copy buf <-- mem
mov esi,[n_data]
mov edi,[buf_struc]
mov edi,buf2d_data
mov ecx,ebx
add edx,3 ;¨á¯à ¢«ï¥¬ ᪮४â¨à®¢ ­­ë© edx
imul ecx,edx
;cld
rep movsb
invoke mem.free,[n_data]
jmp .change_w_h
.32b90: ;¯®¢®à®â 32 ¡¨â­®£® ¡ãä¥à  ­  90 £à ¤ãᮢ
shl ecx,2
mov edx,ecx ;edx - buf_h * 4
imul ecx,ebx
invoke mem.alloc,ecx ;¢ë¤¥«ï¥¬ ¢à¥¬¥­­ãî ¯ ¬ïâì
cmp eax,0
je .end_f
mov [n_data],eax
mov [dec_h],ecx
add dword[dec_h],4
;copy buf --> mem
mov edi,[buf_struc]
shr ecx,2
mov esi,buf2d_data
mov edi,eax ;[n_data]
sub edx,4 ;ª®à¥ªâ¨à㥬 edx ­  4 ¡ ©â , ¤«ï ª®¬¯¥­á æ¨¨ ᤢ¨£  ¢ movsd
add edi,edx
xor eax,eax
cld
.cycle_2:
movsd
add edi,edx
inc eax
cmp eax,ebx
jl @f
xor eax,eax
sub edi,[dec_h]
@@:
loop .cycle_2
;copy buf <-- mem
mov esi,[n_data]
mov edi,[buf_struc]
mov edi,buf2d_data
mov ecx,ebx
add edx,4 ;¨á¯à ¢«ï¥¬ ᪮४â¨à®¢ ­­ë© edx
imul ecx,edx
shr ecx,2
;cld
rep movsd
invoke mem.free,[n_data]
;jmp .change_w_h
.change_w_h: ;change buf_w <---> buf_h
mov edi,[buf_struc]
mov eax,buf2d_w
mov ebx,buf2d_h
mov buf2d_h,eax
mov buf2d_w,ebx
jmp .end_f
.8b180: ;¯®¢®à®â 8 ¡¨â­®£® ¡ãä¥à  ­  180 £à ¤ãᮢ
mov edi,buf2d_data
mov esi,edi
imul ecx,ebx
add esi,ecx
dec esi
shr ecx,1 ;ecx - ç¨á«® ¯¨ªá¥«¥© ¡ãä¥à  : 2
std
@@:
lodsb
mov ah,byte[edi]
mov byte[esi+1],ah
mov byte[edi],al
inc edi
loop @b
jmp .end_f
.24b180: ;¯®¢®à®â 24 ¡¨â­®£® ¡ãä¥à  ­  180 £à ¤ãᮢ
mov esi,buf2d_data
mov edi,esi
imul ecx,ebx
mov eax,ecx
lea ecx,[ecx+ecx*2]
add edi,ecx
sub edi,3
shr eax,1
mov ecx,eax ;ecx - ç¨á«® ¯¨ªá¥«¥© ¡ãä¥à  : 2
cld
@@:
lodsw
mov edx,eax
lodsb
mov bx,word[edi]
mov word[esi-3],bx
mov bl,byte[edi+2]
mov byte[esi-1],bl
mov byte[edi+2],al
mov word[edi],dx
sub edi,3
loop @b
jmp .end_f
.32b180: ;¯®¢®à®â 32 ¡¨â­®£® ¡ãä¥à  ­  180 £à ¤ãᮢ
mov edi,buf2d_data
mov esi,edi
imul ecx,ebx
shl ecx,2
add esi,ecx
sub esi,4
shr ecx,3 ;ecx - ç¨á«® ¯¨ªá¥«¥© ¡ãä¥à  : 2
std
@@:
lodsd
mov ebx,dword[edi]
mov dword[esi+4],ebx
mov dword[edi],eax
add edi,4
loop @b
;jmp .end_f
.end_f:
popad
ret
endp
align 4
proc buf_line_brs, buf_struc:dword, coord_x0:dword, coord_y0:dword, coord_x1:dword, coord_y1:dword, color:dword
locals
loc_1 dd ?
loc_2 dd ?
napravl db ?
endl
pushad
mov eax,dword[coord_x1]
sub eax,dword[coord_x0]
bt eax,31
jae @f
neg eax
inc eax
@@:
mov ebx,dword[coord_y1]
sub ebx,dword[coord_y0]
jnz @f
;¥á«¨ § ¤ ­  £®à¨§®­â «ì­ ï «¨­¨ï y0=y1
stdcall buf_line_h, [buf_struc], [coord_x0], [coord_y0], [coord_x1], [color]
jmp .coord_end
@@:
bt ebx,31
jae @f
neg ebx
inc ebx
@@:
mov edx,dword[color]
mov [napravl],byte 0 ;bool steep=false
cmp eax,ebx
jle @f
mov [napravl],byte 1 ;bool steep=true
swap dword[coord_x0],dword[coord_y0] ;swap(x0, y0);
swap dword[coord_x1],dword[coord_y1] ;swap(x1, y1);
@@:
mov eax,dword[coord_y0] ;x0
cmp eax,dword[coord_y1] ;if(x0>x1)
jle @f
swap dword[coord_y0],dword[coord_y1] ;swap(x0, x1);
swap dword[coord_x0],dword[coord_x1] ;swap(y0, y1);
@@:
; int deltax esi
; int deltay edi
; int error ebp-6
; int ystep ebp-8
mov eax,dword[coord_y0]
mov esi,dword[coord_y1]
sub esi,eax ;deltax = y1-y0
mov ebx,esi
shr ebx,1
mov [loc_1],ebx ;error = deltax/2
mov eax,dword[coord_x0]
mov edi,dword[coord_x1]
mov [loc_2],dword -1 ;ystep = -1
cmp eax,edi ;if (x0<x1) ystep = 1;
jge @f
mov [loc_2],dword 1 ;ystep = 1
@@:
sub edi,eax ;x1-x0
bts edi,31
jae @f
neg edi
inc edi
@@:
and edi,0x7fffffff ;deltay = abs(x1-x0)
mov eax,edi
mov edi,[buf_struc]
cmp buf2d_bits,8
je @f
cmp buf2d_bits,24
je @f
jmp .coord_end
@@:
cmp [napravl],0
jne .coord_yx
mov ebx,dword[coord_x0]
mov ecx,dword[coord_y0]
@@: ;for (x=x0 ; x<x1; x++) ;------------------------------------
cmp ecx,dword[coord_y1]
jg @f ;jge ???
call draw_pixel
sub dword[loc_1],eax ;error -= deltay
cmp dword[loc_1],0 ;if(error<0)
jge .if0
add ebx,[loc_2] ;y += ystep
add [loc_1],esi ;error += deltax
.if0:
inc ecx
jmp @b
@@:
jmp .coord_end
.coord_yx:
mov ebx,dword[coord_y0]
mov ecx,dword[coord_x0]
@@: ;for (x=x0 ; x<x1; x++) ;------------------------------------
cmp ebx,dword[coord_y1]
jg @f ;jge ???
call draw_pixel
sub dword[loc_1],eax ;error -= deltay
cmp dword[loc_1],0 ;if(error<0)
jge .if1
add ecx,[loc_2] ;y += ystep
add [loc_1],esi ;error += deltax
.if1:
inc ebx
jmp @b
@@:
.coord_end:
popad
ret
endp
;à¨á®¢ ­¨¥ ᣫ ¦¥­­®© «¨­¨¨
align 4
proc buf_line_brs_sm, buf_struc:dword, coord_x0:dword, coord_y0:dword, coord_x1:dword, coord_y1:dword, color:dword
locals
loc_1 dd ?
loc_2 dd ?
napravl db ?
endl
pushad
mov eax,dword[coord_x1]
sub eax,dword[coord_x0]
bt eax,31
jae @f
neg eax
inc eax
@@:
mov ebx,dword[coord_y1]
sub ebx,dword[coord_y0]
jnz @f
;¥á«¨ § ¤ ­  £®à¨§®­â «ì­ ï «¨­¨ï y0=y1
stdcall buf_line_h, [buf_struc], [coord_x0], [coord_y0], [coord_x1], [color]
jmp .coord_end
@@:
bt ebx,31
jae @f
neg ebx
inc ebx
@@:
mov edx,dword[color]
mov [napravl],byte 0 ;bool steep=false
cmp eax,ebx
jle @f
mov [napravl],byte 1 ;bool steep=true
swap dword[coord_x0],dword[coord_y0] ;swap(x0, y0);
swap dword[coord_x1],dword[coord_y1] ;swap(x1, y1);
@@:
mov eax,dword[coord_y0] ;x0
cmp eax,dword[coord_y1] ;if(x0>x1)
jle @f
swap dword[coord_y0],dword[coord_y1] ;swap(x0, x1);
swap dword[coord_x0],dword[coord_x1] ;swap(y0, y1);
@@:
; int deltax esi
; int deltay edi
; int error ebp-6
; int ystep ebp-8
mov eax,dword[coord_y0]
mov esi,dword[coord_y1]
sub esi,eax ;deltax = y1-y0
mov ebx,esi
shr ebx,1
mov [loc_1],ebx ;error = deltax/2
mov eax,dword[coord_x0]
mov edi,dword[coord_x1]
mov [loc_2],dword -1 ;ystep = -1
cmp eax,edi ;if (x0<x1) ystep = 1;
jge @f
mov [loc_2],dword 1 ;ystep = 1
@@:
sub edi,eax ;x1-x0
bts edi,31
jae @f
neg edi
inc edi
@@:
and edi,0x7fffffff ;deltay = abs(x1-x0)
mov eax,edi
mov edi,[buf_struc]
cmp buf2d_bits,24
jne .coord_end
cmp [napravl],0
jne .coord_yx
mov ebx,dword[coord_x0]
mov ecx,dword[coord_y0]
@@: ;for (x=x0 ; x<x1; x++) ;------------------------------------
cmp ecx,dword[coord_y1]
jg @f ;jge ???
push eax
mov eax,esi
sub eax,[loc_1]
stdcall draw_pixel_transp, eax,esi
pop eax
add ebx,[loc_2]
stdcall draw_pixel_transp, [loc_1],esi
sub ebx,[loc_2]
sub dword[loc_1],eax ;error -= deltay
cmp dword[loc_1],0 ;if(error<0)
jge .if0
add ebx,[loc_2] ;y += ystep
add [loc_1],esi ;error += deltax
.if0:
inc ecx
jmp @b
@@:
jmp .coord_end
.coord_yx:
mov ebx,dword[coord_y0]
mov ecx,dword[coord_x0]
@@: ;for (x=x0 ; x<x1; x++) ;------------------------------------
cmp ebx,dword[coord_y1]
jg @f ;jge ???
push eax
mov eax,esi
sub eax,[loc_1]
stdcall draw_pixel_transp, eax,esi
pop eax
add ecx,[loc_2]
stdcall draw_pixel_transp, [loc_1],esi
sub ecx,[loc_2]
sub dword[loc_1],eax ;error -= deltay
cmp dword[loc_1],0 ;if(error<0)
jge .if1
add ecx,[loc_2] ;y += ystep
add [loc_1],esi ;error += deltax
.if1:
inc ebx
jmp @b
@@:
.coord_end:
popad
ret
endp
;à¨á®¢ ­¨¥ £®à¨§®­â «ì­®© «¨­¨¨, ¯®â®¬ã ­¥â ¯ à ¬¥âà  coord_y1
align 4
proc buf_line_h, buf_struc:dword, coord_x0:dword, coord_y0:dword, coord_x1:dword, color:dword
pushad
pushfd
mov edi,[buf_struc]
cmp buf2d_bits,8
je @f
cmp buf2d_bits,24
je @f
jmp .end24
@@: ;®¯à¥¤¥«¥­¨¥ ª®®à¤¨­ â «¨­¨¨ ®â­®á¨â¥«ì­® ¡ãä¥à 
mov ecx,dword[coord_y0]
bt ecx,31
jc .end24 ;¥á«¨ ª®®à¤¨­ â  y0 ®âà¨æ â¥«ì­ ï
cmp ecx,buf2d_h
jge .end24 ;¥á«¨ ª®®à¤¨­ â  y0 ¡®«ìè¥ ¢ëá®âë ¡ãä¥à 
mov ebx,dword[coord_x0]
mov esi,dword[coord_x1]
cmp ebx,esi
jle @f
xchg ebx,esi ;¥á«¨ x0 > x1 â® ¬¥­ï¥¬ ¬¥áâ ¬¨ x0 ¨ x1
@@:
bt ebx,31
jae @f
;¥á«¨ ª®®à¤¨­ â  x0 ®âà¨æ â¥«ì­ ï
xor ebx,ebx
@@:
cmp esi,buf2d_w
jl @f
;¥á«¨ ª®®à¤¨­ â  x0 ¡®«ìè¥ è¨à¨­ë ¡ãä¥à 
mov esi,buf2d_w
dec esi
@@:
cmp ebx,esi
jg .end24 ;¥á«¨ x0 > x1 ¬®¦¥â ¢®§­¨ª­ãâì ª®£¤  ®¡¥ ª®®à¤¨­ âë x0, x1 ­ å®¤¨«¨áì §  ®¤­¨¬ ¨§ ¯à¥¤¥«®¢ ¡ãä¥à 
cmp buf2d_bits,24
je .beg24
;à¨á®¢ ­¨¥ ¢ 8 ¡¨â­®¬ ¡ãä¥à¥
;¢ edx ¢ëç¨á«ï¥¬ ­ ç «® 1-© â®çª¨ «¨­¨¨ ¢ ¡ãä¥à¥ ¨§®¡à ¦¥­¨ï
mov edx,buf2d_w ;size x
imul edx,ecx ;size_x*y
add edx,ebx ;size_x*y+x
add edx,buf2d_data ;ptr+(size_x*y+x)
mov edi,edx ;⥯¥àì ¬®¦¥¬ ¯®àâ¨âì 㪠§ â¥«ì ­  ¡ãä¥à
mov ecx,esi
sub ecx,ebx ;¢ ecx ª®««¨ç¥á⢮ â®ç¥ª «¨­¨¨ ¢ë¢®¤¨¬ëå ¢ ¡ãä¥à
inc ecx ;çâ®-¡ë ¯®á«¥¤­ïï â®çª  «¨­¨¨ â ª¦¥ ®â®¡à ¦ « áì
mov eax,dword[color] ;¡ã¤¥¬ ¨á¯®«ì§®¢ âì ⮫쪮 §­ ç¥­¨¥ ¢ al
cld
rep stosb ;横« ¯® ®á¨ x ®â x0 ¤® x1 (¢ª«îç ï x1)
jmp .end24
.beg24: ;à¨á®¢ ­¨¥ ¢ 24 ¡¨â­®¬ ¡ãä¥à¥
;¢ eax ¢ëç¨á«ï¥¬ ­ ç «® 1-© â®çª¨ «¨­¨¨ ¢ ¡ãä¥à¥ ¨§®¡à ¦¥­¨ï
mov eax,buf2d_w ;size x
imul eax,ecx ;size_x*y
add eax,ebx ;size_x*y+x
lea eax,[eax+eax*2] ;(size_x*y+x)*3
add eax,buf2d_data ;ptr+(size_x*y+x)*3
mov ecx,esi
sub ecx,ebx ;¢ ecx ª®««¨ç¥á⢮ â®ç¥ª «¨­¨¨ ¢ë¢®¤¨¬ëå ¢ ¡ãä¥à
inc ecx ;çâ®-¡ë ¯®á«¥¤­ïï â®çª  «¨­¨¨ â ª¦¥ ®â®¡à ¦ « áì
mov edx,dword[color]
mov ebx,edx ;ª®®à¤¨­ â  x0 ¢ ebx 㦥 ­¥ ­ã¦­ 
ror edx,16 ;¯®¢®à ç¨¢ ¥¬ ॣ¨áâà çâ® ¡ë 3-© ¡ ©â ¯®¯ « ¢ dl
cld
@@: ;横« ¯® ®á¨ x ®â x0 ¤® x1 (¢ª«îç ï x1)
mov word[eax],bx ;copy pixel color
mov byte[eax+2],dl
add eax,3
loop @b
.end24:
popfd
popad
ret
endp
align 4
proc buf_rect_by_size, buf_struc:dword, coord_x:dword,coord_y:dword,w:dword,h:dword, color:dword
pushad
mov edi,[buf_struc]
cmp buf2d_bits,8
je @f
cmp buf2d_bits,24
je @f
jmp .coord_end
@@:
mov eax,[coord_x]
mov ebx,[coord_y]
mov ecx,[w]
;cmp ecx,1
;jl .coord_end
cmp ecx,0
je .coord_end
jg @f
add eax,ecx
inc eax
neg ecx
@@:
add ecx,eax
dec ecx
mov edx,[h]
;cmp edx,1
;jl .coord_end
cmp edx,0
je .coord_end
jg @f
add ebx,edx
inc ebx
neg edx
@@:
add edx,ebx
dec edx
mov esi,dword[color]
stdcall buf_line_h, edi, eax, ebx, ecx, esi ;«¨­¨ï -
stdcall buf_line_brs, edi, eax, ebx, eax, edx, esi ;«¨­¨ï |
stdcall buf_line_h, edi, eax, edx, ecx, esi ;«¨­¨ï -
stdcall buf_line_brs, edi, ecx, ebx, ecx, edx, esi ;«¨­¨ï |
.coord_end:
popad
ret
endp
align 4
proc buf_filled_rect_by_size, buf_struc:dword, coord_x:dword,coord_y:dword,w:dword,h:dword, color:dword
pushad
mov edi,[buf_struc]
cmp buf2d_bits,8
je @f
cmp buf2d_bits,24
je @f
jmp .coord_end
@@:
mov eax,[coord_x]
mov ebx,[coord_y]
mov edx,[w]
cmp edx,0
je .coord_end ;¥á«¨ ¢ëá®â  0 ¯¨ªá¥«¥©
jg @f ;¥á«¨ ¢ëá®â  ¯®«®¦¨â¥«ì­ ï
add eax,edx
inc eax
neg edx ;è¨à¨­ã ¤¥« ¥¬ ¯®«®¦¨â¥«ì­®©
;inc edx ;¯®ç¥¬ã âãâ ­¥ ¤®¡ ¢«ï¥¬ 1-æã ï ­¥ §­ î, ­® á ­¥© à ¡®â ¥â ­¥ ¯à ¢¨«ì­®
@@:
add edx,eax
dec edx
mov ecx,[h]
cmp ecx,0
je .coord_end ;¥á«¨ ¢ëá®â  0 ¯¨ªá¥«¥©
jg @f ;¥á«¨ ¢ëá®â  ¯®«®¦¨â¥«ì­ ï
add ebx,ecx ;ᤢ¨£ ¥¬ ¢¥àå­îî ª®®à¤¨­ âã ¯àאַ㣮«ì­¨ª 
inc ebx
neg ecx ;¢ëá®âã ¤¥« ¥¬ ¯®«®¦¨â¥«ì­®©
;inc ecx ;¯®ç¥¬ã âãâ ­¥ ¤®¡ ¢«ï¥¬ 1-æã ï ­¥ §­ î, ­® á ­¥© à ¡®â ¥â ­¥ ¯à ¢¨«ì­®
@@:
mov esi,dword[color]
cld
@@:
stdcall buf_line_h, edi, eax, ebx, edx, esi ;«¨­¨ï -
inc ebx
loop @b
.coord_end:
popad
ret
endp
align 4
proc buf_circle, buf_struc:dword, coord_x:dword, coord_y:dword, r:dword, color:dword
locals
po_x dd ?
po_y dd ?
endl
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,8
je @f
cmp buf2d_bits,24
je @f
jmp .error
@@:
mov edx,dword[color]
finit
fild dword[coord_x]
fild dword[coord_y]
fild dword[r]
fldz ;px=0
fld st1 ;py=r
fldpi
fmul st0,st3
fistp dword[po_x]
mov esi,dword[po_x] ;esi=pi*r
shl esi,1 ;esi=2*pi*r
;st0 = py
;st1 = px
;st2 = r
;st3 = y
;st4 = x
@@:
;Point(px + x, y - py)
fld st1 ;st0=px
fadd st0,st5 ;st0=px+x
fistp dword[po_x]
mov ebx,dword[po_x]
fld st3 ;st0=y
fsub st0,st1 ;st0=y-py
fistp dword[po_y]
mov ecx,dword[po_y]
call draw_pixel
;px += py/r
fld st0 ;st0=py
fdiv st0,st3 ;st0=py/r
faddp st2,st0 ;st3+=st0
;py -= px/r
fld st1 ;st0=px
fdiv st0,st3 ;st0=px/r
fsubp st1,st0 ;st2-=st0
dec esi
cmp esi,0
jge @b
jmp .exit_fun
.error:
stdcall print_err,sz_buf2d_circle,txt_err_n8_24b
.exit_fun:
popad
ret
endp
;äã­ªæ¨ï ¤«ï § «¨¢ª¨ ®¡« á⨠¢ë¡à ­­ë¬ 梥⮬
align 4
proc buf_flood_fill, buf_struc:dword, coord_x:dword, coord_y:dword, mode:dword, color_f:dword, color_b:dword
pushad
mov edi,[buf_struc]
cmp buf2d_bits,24
jne .end24
mov ebx,dword[coord_x]
mov ecx,dword[coord_y]
mov edx,dword[color_f]
mov esi,dword[color_b]
cmp dword[mode],1 ;¢ § ¢¨á¨¬®á⨠®â 'mode' ®¯à¥¤¥«ï¥¬ ª ª¨¬  «£®à¨â¬®¬ ¡ã¤¥¬ ¯®«ì§®¢ âìáï
je @f
call buf_flood_fill_recurs_0 ;§ «¨¢ ¥¬ ¤® ¯¨ªá¥«¥© æ¢¥â  esi
jmp .end24
@@:
call buf_flood_fill_recurs_1 ;§ «¨¢ ¥¬ ¯¨ªá¥«¨ ¨¬¥î騥 梥â esi
.end24:
popad
ret
endp
;input:
; ebx = coord_x
; ecx = coord_y
; edx = 梥⠧ «¨¢ª¨
; esi = 梥⠣࠭¨æë, ¤® ª®â®à®© ¡ã¤¥â ¨â¨ § «¨¢ª 
; edi = buf_struc
;output:
; eax = ¯®àâ¨âáï
align 4
buf_flood_fill_recurs_0:
call get_pixel_24
cmp eax,0xffffffff ;if error coords
je .end_fun
cmp eax,edx ;¥á«¨ 梥⠯¨ªá¥«ï ᮢ¯ « á 梥⮬ § «¨¢ª¨, §­ ç¨â § «¨¢ª  ¢ í⮩ ®¡« á⨠㦥 ¡ë«  ᤥ« ­ 
je .end_fun
call draw_pixel
dec ebx
call get_pixel_24
cmp eax,esi
je @f
call buf_flood_fill_recurs_0
@@:
inc ebx
inc ebx
call get_pixel_24
cmp eax,esi
je @f
call buf_flood_fill_recurs_0
@@:
dec ebx
dec ecx
call get_pixel_24
cmp eax,esi
je @f
call buf_flood_fill_recurs_0
@@:
inc ecx
inc ecx
call get_pixel_24
cmp eax,esi
je @f
call buf_flood_fill_recurs_0
@@:
dec ecx
.end_fun:
ret
;input:
; ebx = coord_x
; ecx = coord_y
; edx = 梥⠧ «¨¢ª¨
; esi = 梥⠯¨ªá¥«¥©, ¯® ª®â®àë¬ ¡ã¤¥â ¨â¨ § «¨¢ª 
; edi = buf_struc
;output:
; eax = ¯®àâ¨âáï
align 4
buf_flood_fill_recurs_1:
call get_pixel_24
cmp eax,0xffffffff ;if error coords
je .end_fun
cmp eax,edx ;¥á«¨ 梥⠯¨ªá¥«ï ᮢ¯ « á 梥⮬ § «¨¢ª¨, §­ ç¨â § «¨¢ª  ¢ í⮩ ®¡« á⨠㦥 ¡ë«  ᤥ« ­ 
je .end_fun
cmp eax,esi ;¥á«¨ 梥⠯¨ªá¥«ï ­¥ ᮢ¯ « á § «¨¢ ¥¬ë¬ 梥⮬ § «¨¢ª¨, â® ¯à¥ªà é ¥¬ § «¨¢ªã
jne .end_fun
call draw_pixel
dec ebx
call get_pixel_24
cmp eax,esi
jne @f
call buf_flood_fill_recurs_1
@@:
inc ebx
inc ebx
call get_pixel_24
cmp eax,esi
jne @f
call buf_flood_fill_recurs_1
@@:
dec ebx
dec ecx
call get_pixel_24
cmp eax,esi
jne @f
call buf_flood_fill_recurs_1
@@:
inc ecx
inc ecx
call get_pixel_24
cmp eax,esi
jne @f
call buf_flood_fill_recurs_1
@@:
dec ecx
.end_fun:
ret
;äã­ªæ¨ï ¤«ï à¨á®¢ ­¨ï â®çª¨
align 4
proc buf_set_pixel uses ebx ecx edx edi, buf_struc:dword, coord_x:dword, coord_y:dword, color:dword
mov edi,dword[buf_struc]
mov ebx,dword[coord_x]
mov ecx,dword[coord_y]
mov edx,dword[color]
call draw_pixel
ret
endp
;output:
; eax = 梥â â®çª¨
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff
align 4
proc buf_get_pixel uses ebx ecx edi, buf_struc:dword, coord_x:dword, coord_y:dword
mov edi,dword[buf_struc]
mov ebx,[coord_x]
mov ecx,[coord_y]
cmp buf2d_bits,8
jne @f
call get_pixel_8
jmp .end_fun
@@:
cmp buf2d_bits,24
jne @f
call get_pixel_24
jmp .end_fun
@@:
cmp buf2d_bits,32
jne @f
call get_pixel_32
;jmp .end_fun
@@:
.end_fun:
ret
endp
;®âà §¨âì ¯® ¢¥à⨪ «¨ (¢¥àå ¨ ­¨§ ¬¥­ïîâáï ¬¥áâ ¬¨)
align 4
proc buf_flip_v, buf_struc:dword
locals
line_pix dd ? ;ª®«. ¯¨ªá¥«¥© ¢ «¨­¨¨ ¡ãä¥à 
line_2byte dd ? ;ª®«. ¡ ©â ¢ «¨­¨¨ ¡ãä¥à  * 2
endl
pushad
mov edi,[buf_struc]
cmp buf2d_bits,24
jne .end_24
mov edx,buf2d_w
mov [line_pix],edx
mov ebx,buf2d_h
lea edx,[edx+edx*2]
mov esi,edx
imul esi,ebx
sub esi,edx
add esi,buf2d_data ;㪠§ â¥«ì ­  ­¨¦­îî «¨­¨î
shr ebx,1 ;ª®«. «¨­¥©­ëå 横«®¢
shl edx,1
mov [line_2byte],edx
mov edi,buf2d_data
xchg edi,esi
cld
.flip_24:
cmp ebx,0
jle .end_24
mov ecx,[line_pix]
@@:
lodsw
mov dx,word[edi]
mov word[esi-2],dx
mov [edi],ax
lodsb
mov ah,byte[edi+2]
mov byte[esi-1],ah
mov [edi+2],al
add edi,3
loop @b
sub edi,[line_2byte]
dec ebx
jmp .flip_24
.end_24:
popad
ret
endp
align 4
proc buf_img_wdiv2, buf_struc:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,8
jne @f
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_8b_wdiv2, buf2d_data,ecx
@@:
cmp buf2d_bits,24
jne @f
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_rgb24_wdiv2, buf2d_data,ecx
@@:
cmp buf2d_bits,32
jne @f
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_rgba32_wdiv2, buf2d_data,ecx
@@:
popad
ret
endp
;input:
;data_8b - pointer to rgb data
;size - count img pixels (size img data / 3(rgb) )
align 4
proc img_8b_wdiv2 data_8b:dword, size:dword
mov eax,dword[data_8b]
mov ecx,dword[size] ;ecx = size
cld
@@: ;§ â¥¬­¥­¨¥ æ¢¥â  ¯¨ªá¥«¥©
shr byte[eax],1
inc eax
loop @b
mov eax,dword[data_8b]
mov ecx,dword[size] ;ecx = size
shr ecx,1
@@: ;á«®¦¥­¨¥ 梥⮢ ¯¨ªá¥«¥©
mov bl,byte[eax+1] ;ª®¯¨à㥬 梥â á®á¥¤­¥£® ¯¨ªá¥«ï
add byte[eax],bl
add eax,2
loop @b
mov eax,dword[data_8b]
inc eax
mov ebx,eax
inc ebx
mov ecx,dword[size] ;ecx = size
shr ecx,1
dec ecx ;«¨è­¨© ¯¨ªá¥«ì
@@: ;¯®¤¦ â¨¥ ¯¨ªá¥«¥©
mov dl,byte[ebx]
mov byte[eax],dl
inc eax
add ebx,2
loop @b
ret
endp
;input:
;data_rgb - pointer to rgb data
;size - count img pixels (size img data / 3(rgb) )
align 4
proc img_rgb24_wdiv2 data_rgb:dword, size:dword
mov eax,dword[data_rgb]
mov ecx,dword[size] ;ecx = size
lea ecx,[ecx+ecx*2]
cld
@@: ;§ â¥¬­¥­¨¥ æ¢¥â  ¯¨ªá¥«¥©
shr byte[eax],1
inc eax
loop @b
mov eax,dword[data_rgb]
mov ecx,dword[size] ;ecx = size
shr ecx,1
@@: ;á«®¦¥­¨¥ 梥⮢ ¯¨ªá¥«¥©
mov bx,word[eax+3] ;ª®¯¨à㥬 梥â á®á¥¤­¥£® ¯¨ªá¥«ï
add word[eax],bx
mov bl,byte[eax+5] ;ª®¯¨à㥬 梥â á®á¥¤­¥£® ¯¨ªá¥«ï
add byte[eax+2],bl
add eax,6 ;=2*3
loop @b
mov eax,dword[data_rgb]
add eax,3
mov ebx,eax
add ebx,3
mov ecx,dword[size] ;ecx = size
shr ecx,1
dec ecx ;«¨è­¨© ¯¨ªá¥«ì
@@: ;¯®¤¦ â¨¥ ¯¨ªá¥«¥©
mov edx,dword[ebx]
mov word[eax],dx
shr edx,16
mov byte[eax+2],dl
add eax,3
add ebx,6
loop @b
ret
endp
;input:
;data_rgba - pointer to rgba data
;size - count img pixels (size img data / 4(rgba) )
align 4
proc img_rgba32_wdiv2 data_rgba:dword, size:dword
mov eax,dword[data_rgba]
mov eax,dword[data_rgba]
mov ebx,eax
add ebx,4
mov ecx,dword[size] ;ecx = size
shr ecx,1
@@: ;ᬥ訢 ­¨¥ 梥⮢ ¯¨ªá¥«¥©
call combine_colors_1
mov [eax],edx
add eax,8 ;=2*4
add ebx,8
loop @b
mov eax,dword[data_rgba]
add eax,4
mov ebx,eax
add ebx,4
mov ecx,dword[size] ;ecx = size
shr ecx,1
dec ecx ;«¨è­¨© ¯¨ªá¥«ì
@@: ;¯®¤¦ â¨¥ ¯¨ªá¥«¥©
mov edx,dword[ebx]
mov dword[eax],edx
add eax,4
add ebx,8
loop @b
ret
endp
;description:
; ᦠ⨥ ¨§®¡à ¦¥­¨ï ¯® ¢ëá®â¥ (¢ëá®â  ¡ãä¥à  ­¥ ¬¥­ï¥âáï)
align 4
proc buf_img_hdiv2, buf_struc:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,8
jne @f
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_8b_hdiv2, buf2d_data,ecx,eax
jmp .end_f ;edi ¯®àâ¨âáï ¢ ä㭪樨, ¯®â®¬ã ¨á¯®«ì§®¢ ­¨¥ buf2d_bits ®¯ á­®
@@:
cmp buf2d_bits,24
jne @f
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_rgb24_hdiv2, buf2d_data,ecx,eax
jmp .end_f
@@:
cmp buf2d_bits,32
jne @f
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
shl eax,2
stdcall img_rgba32_hdiv2, buf2d_data,ecx,eax
;jmp .end_f
@@:
.end_f:
popad
ret
endp
;input:
;data_8b - pointer to 8 bit data
;size - count img pixels (size img data)
;size_w - width img in pixels
align 4
proc img_8b_hdiv2, data_8b:dword, size:dword, size_w:dword
mov eax,dword[data_8b] ;eax =
mov ecx,dword[size]
cld
@@: ;§ â¥¬­¥­¨¥ æ¢¥â  ¯¨ªá¥«¥©
shr byte[eax],1
inc eax
loop @b
mov eax,dword[data_8b] ;eax =
mov esi,dword[size_w]
mov ebx,esi
add ebx,eax
mov ecx,dword[size] ;ecx = size
shr ecx,1
xor edi,edi
@@: ;á«®¦¥­¨¥ 梥⮢ ¯¨ªá¥«¥©
mov dl,byte[ebx] ;ª®¯¨à㥬 梥⠭¨¦­¥£® ¯¨ªá¥«ï
add byte[eax],dl
inc eax
inc ebx
inc edi
cmp edi,dword[size_w]
jl .old_line
add eax,esi
add ebx,esi
xor edi,edi
.old_line:
loop @b
mov eax,dword[data_8b] ;eax =
add eax,esi ;esi = width*3(rgb)
mov ebx,eax
add ebx,esi
mov ecx,dword[size] ;ecx = size
shr ecx,1
sub ecx,dword[size_w] ;«¨è­ïï áâப  ¯¨ªá¥«¥©
xor edi,edi
@@: ;¯®¤¦ â¨¥ ¯¨ªá¥«¥©
mov dl,byte[ebx] ;ª®¯¨à㥬 梥⠭¨¦­¥£® ¯¨ªá¥«ï
mov byte[eax],dl
inc eax
inc ebx
inc edi
cmp edi,dword[size_w]
jl .old_line_2
add ebx,esi
xor edi,edi
.old_line_2:
loop @b
ret
endp
;input:
;data_rgb - pointer to rgb data
;size - count img pixels (size img data / 3(rgb) )
;size_w - width img in pixels
align 4
proc img_rgb24_hdiv2, data_rgb:dword, size:dword, size_w:dword
mov eax,dword[data_rgb] ;eax =
mov ecx,dword[size] ;ecx = size
lea ecx,[ecx+ecx*2]
cld
@@: ;§ â¥¬­¥­¨¥ æ¢¥â  ¯¨ªá¥«¥©
shr byte[eax],1
inc eax
loop @b
mov eax,dword[data_rgb] ;eax =
mov esi,dword[size_w]
lea esi,[esi+esi*2] ;esi = width*3(rgb)
mov ebx,esi
add ebx,eax
mov ecx,dword[size] ;ecx = size
shr ecx,1
xor edi,edi
@@: ;á«®¦¥­¨¥ 梥⮢ ¯¨ªá¥«¥©
mov dx,word[ebx] ;ª®¯¨à㥬 梥⠭¨¦­¥£® ¯¨ªá¥«ï
add word[eax],dx
mov dl,byte[ebx+2] ;ª®¯¨à㥬 梥⠭¨¦­¥£® ¯¨ªá¥«ï
add byte[eax+2],dl
add eax,3
add ebx,3
inc edi
cmp edi,dword[size_w]
jl .old_line
add eax,esi
add ebx,esi
xor edi,edi
.old_line:
loop @b
mov eax,dword[data_rgb] ;eax =
add eax,esi ;esi = width*3(rgb)
mov ebx,eax
add ebx,esi
mov ecx,dword[size] ;ecx = size
shr ecx,1
sub ecx,dword[size_w] ;«¨è­ïï áâப  ¯¨ªá¥«¥©
xor edi,edi
@@: ;¯®¤¦ â¨¥ ¯¨ªá¥«¥©
mov edx,dword[ebx] ;ª®¯¨à㥬 梥⠭¨¦­¥£® ¯¨ªá¥«ï
mov word[eax],dx
shr edx,16
mov byte[eax+2],dl
add eax,3
add ebx,3
inc edi
cmp edi,dword[size_w]
jl .old_line_2
add ebx,esi
xor edi,edi
.old_line_2:
loop @b
ret
endp
;input:
;data_rgba - pointer to rgba data
;size - count img pixels (size img data / 4(rgba) )
;size_w_b - width img in bytes
align 4
proc img_rgba32_hdiv2, data_rgba:dword, size:dword, size_w_b:dword
mov eax,dword[data_rgba] ;eax =
mov ebx,dword[size_w_b]
add ebx,eax
mov ecx,dword[size] ;ecx = size
shr ecx,1
xor edi,edi
@@: ;ᬥ訢 ­¨¥ 梥⮢ ¯¨ªá¥«¥©
call combine_colors_1
mov dword[eax],edx
add eax,4
add ebx,4
add edi,4
cmp edi,dword[size_w_b]
jl .old_line
add eax,dword[size_w_b]
add ebx,dword[size_w_b]
xor edi,edi
.old_line:
loop @b
mov eax,dword[data_rgba] ;eax =
mov ebx,dword[size_w_b]
add eax,ebx
add ebx,eax
mov ecx,dword[size] ;ecx = size
shl ecx,1
sub ecx,dword[size_w_b] ;«¨è­ïï áâப  ¯¨ªá¥«¥©
shr ecx,2
xor edi,edi
@@: ;¯®¤¦ â¨¥ ¯¨ªá¥«¥©
mov edx,dword[ebx] ;ª®¯¨à㥬 梥⠭¨¦­¥£® ¯¨ªá¥«ï
mov dword[eax],edx
add eax,4
add ebx,4
add edi,4
cmp edi,dword[size_w_b]
jl .old_line_2
add ebx,dword[size_w_b]
xor edi,edi
.old_line_2:
loop @b
ret
endp
;input:
; eax - 㪠§ â¥«ì ­  32-¡¨â­ë© 梥â
; ebx - 㪠§ â¥«ì ­  32-¡¨â­ë© 梥â
;output:
; edx - 32-¡¨â­ë© 梥â ᬥ蠭­ë© á ãç¥â®¬ ¯à®§à ç­®áâ¨
;destroy:
; esi
align 4
proc combine_colors_1 uses ecx edi
locals
c_blye dd ?
c_green dd ?
c_red dd ?
endl
movzx edi,byte[eax+3]
cmp edi,255
je .c0z
movzx esi,byte[ebx+3]
cmp esi,255
je .c1z
cmp edi,esi
je .c0_c1
;¯¥à¥¢®à ç¨¢ ¥¬ §­ ç¥­¨ï ¯à®§à ç­®á⥩
neg edi
inc edi
add edi,255
neg esi
inc esi
add esi,255
movzx ecx,byte[eax]
imul ecx,edi
mov [c_blye],ecx
movzx ecx,byte[ebx]
imul ecx,esi
add [c_blye],ecx
movzx ecx,byte[eax+1]
imul ecx,edi
mov [c_green],ecx
movzx ecx,byte[ebx+1]
imul ecx,esi
add [c_green],ecx
movzx ecx,byte[eax+2]
imul ecx,edi
mov [c_red],ecx
movzx ecx,byte[ebx+2]
imul ecx,esi
add [c_red],ecx
push eax ebx
xor ebx,ebx
mov eax,[c_red]
xor edx,edx
mov ecx,edi
add ecx,esi
div ecx
mov bl,al
shl ebx,16
mov eax,[c_green]
xor edx,edx
div ecx
mov bh,al
mov eax,[c_blye]
xor edx,edx
div ecx
mov bl,al
shr ecx,1
;¯¥à¥¢®à ç¨¢ ¥¬ §­ ç¥­¨ï ¯à®§à ç­®áâ¨
neg ecx
inc ecx
add ecx,255
shl ecx,24
add ebx,ecx
mov edx,ebx
pop ebx eax
jmp .end_f
.c0_c1: ;¥á«¨ ¯à®§à ç­®á⨠®¡®¨å 梥⮢ ᮢ¯ ¤ îâ
mov edx,dword[eax]
shr edx,1
and edx,011111110111111101111111b
mov esi,dword[ebx]
shr esi,1
and esi,011111110111111101111111b
add edx,esi
ror edi,8 ;¯¥à¥¬¥é ¥¬ §­ ç¥­¨¥ ¯à®§à ç­®á⨠¢ áâ à訩 ¡ ©â edi
or edx,edi
jmp .end_f
.c0z: ;¥á«¨ 梥⠢ eax ¯à®§à ç­ë©
mov edx,dword[ebx]
movzx edi,byte[ebx+3]
jmp @f
.c1z: ;¥á«¨ 梥⠢ ebx ¯à®§à ç­ë©
mov edx,dword[eax]
@@:
add edi,255 ;¤¥« ¥¬ 梥⠭  ¯®«®¢¨­ã ¯à®§à ç­ë¬
shr edi,1
cmp edi,255
jl @f
mov edi,255 ;¬ ªá¨¬ «ì­ ï ¯à®§à ç­®áâì ­¥ ¡®«¥¥ 255
@@:
shl edi,24
and edx,0xffffff ;á­¨¬ ¥¬ áâ àãî ¯à®§à ç­®áâì
add edx,edi
.end_f:
ret
endp
;¯à¥®¡à §®¢ ­¨¥ ¡ãä¥à  ¨§ 24-¡¨â­®£® ¢ 8-¡¨â­ë©
; spectr - ®¯à¥¤¥«ï¥â ª ª®© ᯥªâà ¡à âì ¯à¨ ¯à¥®¡à §®¢ ­¨¨ 0-ᨭ¨©, 1-§¥«¥­ë©, 2-ªà á­ë©
align 4
proc buf_conv_24_to_8, buf_struc:dword, spectr:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .error
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
mov esi,ecx
;ebx - ¯ ¬ïâì ¨§ ª®â®à®© ª®¯¨àã¥âáï
;edx - ¯ ¬ïâì ªã¤  ª®¯¨àã¥âáï
mov edx,buf2d_data
mov ebx,edx
cmp [spectr],3
jge @f
add ebx,[spectr]
@@:
mov al,byte[ebx]
mov byte[edx],al
add ebx,3
inc edx
loop @b
mov buf2d_bits,8
invoke mem.realloc,buf2d_data,esi ;㬥­ìè ¥¬ ¯ ¬ïâì § ­¨¬ ¥¬ãî ¡ãä¥à®¬
jmp .end_conv
.error:
stdcall print_err,sz_buf2d_conv_24_to_8,txt_err_n24b
.end_conv:
popad
ret
endp
;¯à¥®¡à §®¢ ­¨¥ ¡ãä¥à  ¨§ 24-¡¨â­®£® ¢ 32-¡¨â­ë©
align 4
proc buf_conv_24_to_32, buf_struc:dword, buf_str8:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .error1
mov ecx,buf2d_w
mov ebx,buf2d_h
imul ebx,ecx
mov ecx,ebx ;ecx = size 8 b
shl ebx,2 ;ebx = size 32 b
invoke mem.realloc,buf2d_data,ebx ;㢥«¨ç¨¢ ¥¬ ¯ ¬ïâì § ­¨¬ ¥¬ãî ¡ãä¥à®¬
mov buf2d_data,eax ;­  á«ãç © ¥á«¨ ¨§¬¥­¨«áï 㪠§ â¥«ì ­  ¤ ­­ë¥
mov buf2d_bits,32
mov edx,ebx ;edx = size 32 b
sub ebx,ecx ;ebx = size 24 b
mov eax,ecx
;eax - à §¬¥à 8 ¡¨â­ëå ¤ ­­ëå
;ebx - à §¬¥à 24 ¡¨â­ëå ¤ ­­ëå
;edx - à §¬¥à 32 ¡¨â­ëå ¤ ­­ëå
add ebx,buf2d_data
add edx,buf2d_data
mov edi,dword[buf_str8]
cmp buf2d_bits,8
jne .error2
add eax,buf2d_data
mov edi,edx
;eax - 㪠§ â¥«ì ­  ª®­¥æ 8 ¡¨â­ëå ¤ ­­ëå
;ebx - 㪠§ â¥«ì ­  ª®­¥æ 24 ¡¨â­ëå ¤ ­­ëå
;edi - 㪠§ â¥«ì ­  ª®­¥æ 32 ¡¨â­ëå ¤ ­­ëå
@@:
sub edi,4 ;®â­¨¬ ¥¬ ¢ ­ ç «¥ 横« ,
sub ebx,3 ; ¯®â®¬ã, ç⮠㪠§ â¥«¨ áâ®ïâ
dec eax ; §  ¯à¥¤¥« ¬¨ ¡ãä¥à®¢
mov edx,dword[ebx]
mov dword[edi],edx
mov dl,byte[eax]
mov byte[edi+3],dl
loop @b
jmp .end_conv
.error1:
stdcall print_err,sz_buf2d_conv_24_to_32,txt_err_n24b
jmp .end_conv
.error2:
stdcall print_err,sz_buf2d_conv_24_to_32,txt_err_n8b
.end_conv:
popad
ret
endp
;äã­ªæ¨ï ª®¯¨àã¥â ¨§®¡à ¦¥­¨¥ ¨§ ¡ãä¥à  buf_source (24b|32b) ¢ buf_destination (24b)
; 㪠§ë¢ îâáï ª®®à¤¨­ âë ¢áâ ¢ª¨ ¡ãä¥à  buf_source ®â­®á¨â¥«ì­® buf_destination
; ¯à®§à ç­®áâì ¯à¨ ª®¯¨à®¢ ­¨¨ ­¥ ãç¨â뢠¥âáï
align 4
proc buf_bit_blt, buf_destination:dword, coord_x:dword, coord_y:dword, buf_source:dword
locals
right_bytes dd ?
endl
pushad
mov edi,[buf_source]
cmp buf2d_bits,24
je .sou24
cmp buf2d_bits,32
je .sou32
jmp .copy_end ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
.sou24: ;¢ ¨áâ®ç­¨ª¥ 24 ¡¨â­ ï ª à⨭ª 
mov eax,buf2d_w
mov edx,buf2d_h ;¢ëá®â  ª®¯¨à㥬®© ª à⨭ª¨
mov esi,buf2d_data ;¤ ­­ë¥ ª®¯¨à㥬®© ª à⨭ª¨
mov edi,[buf_destination]
cmp buf2d_bits,24
jne .copy_end ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
mov ebx,[coord_x] ;¢ ebx ¢à¥¬¥­­® áâ ¢¨¬ ®âáâ㯠¨§®¡à ¦¥­¨ï (¤«ï ¯à®¢¥àª¨)
cmp ebx,buf2d_w ;¯à®¢¥à塞 ¢« §¨â «¨ ¨§®¡à ¦¥­¨¥ ¯® è¨à¨­¥
jge .copy_end ;¥á«¨ ¨§®¡à ¦¥­¨¥ ¯®«­®áâìî ¢ë« §¨â §  ¯à ¢ãî áâ®à®­ã
mov ebx,buf2d_h ;ebx - ¢ëá®â  ®á­®¢­®£® ¡ãä¥à 
mov ecx,[coord_y]
cmp ecx,0
jge @f
;¥á«¨ ª®®à¤¨­ â  coord_y<0 (1-ï ­ áâனª )
add edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨
cmp edx,0
jle .copy_end ;¥á«¨ ª®¯¨à㥬®¥ ¨§®¡à ¦¥­¨¥ ­ å®¤¨âáï ¯®«­®áâìî ­ ¤ ¢¥àå­¥© £à ­¨æ¥© ¡ãä¥à  (coord_y<0 ¨ |coord_y|>buf_source.h)
neg ecx
;inc ecx
imul ecx,eax
lea ecx,[ecx+ecx*2] ;¯® 3 ¡ ©â  ­  ¯¨ªá¥«ì
add esi,ecx ;ᤢ¨£ ¥¬ 㪠§ â¥«ì á ª®¯¨à㥬묨 ¤ ­­ë¬¨, á ãç¥â®¬ ¯à®¯ã襭®© ç áâ¨
xor ecx,ecx ;®¡­ã«ï¥¬ ª®®à¤¨­ âã coord_y
@@:
cmp ecx,ebx
jge .copy_end ;¥á«¨ ª®®à¤¨­ â  'y' ¡®«ìè¥ ¢ëá®âë ¡ãä¥à 
add ecx,edx ;ecx - ­¨¦­ïï ª®®à¤¨­ â  ª®¯¨à㥬®© ª à⨭ª¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨, ¢ á«ãç¥ ª®£¤  ®­  ¢ë« §¨â §  ­¨¦­îî £à ­¨æã
@@:
mov ebx,buf2d_w
mov ecx,[coord_y] ;ecx ¨á¯®«ì§ã¥¬ ¤«ï ¢à¥¬¥­­ëå 楫¥©
cmp ecx,0
jg .end_otr_c_y_24
;¥á«¨ ª®®à¤¨­ â  coord_y<=0 (2-ï ­ áâனª )
mov ecx,[coord_x]
jmp @f
.end_otr_c_y_24:
imul ecx,ebx
add ecx,[coord_x]
@@:
lea ecx,[ecx+ecx*2]
add ecx,buf2d_data
sub ebx,eax
mov edi,ecx ;edi 㪠§ â¥«ì ­  ¤ ­­ë¥ ¡ãä¥à , ªã¤  ¡ã¤¥â ¯à®¨§¢®¤¨âáï ª®¯¨à®¢ ­¨¥
mov [right_bytes],0
mov ecx,[coord_x]
cmp ecx,ebx
jl @f
sub ecx,ebx
sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
lea ecx,[ecx+ecx*2] ;ecx - ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª à⨭ª¨, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî áâ®à®­ã
mov [right_bytes],ecx
@@:
lea eax,[eax+eax*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨭ª¨
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à  ¬¨­ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨭ª¨
cld
cmp [right_bytes],0
jg .copy_1
.copy_0: ;¯à®á⮥ ª®¯¨à®¢ ­¨¥
mov ecx,eax
rep movsb
add edi,ebx
dec edx
cmp edx,0
jg .copy_0
jmp .copy_end
.copy_1: ;­¥ ¯à®á⮥ ª®¯¨à®¢ ­¨¥ (ª à⨭ª  ¢ë« §¨â §  ¯à ¢ãî áâ®à®­ã)
mov ecx,eax
rep movsb
add edi,ebx
add esi,[right_bytes] ;¤®¡ ¢«ï¥¬ ¡ ©âë, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî £à ­¨æã
dec edx
cmp edx,0
jg .copy_1
jmp .copy_end
.sou32: ;¢ ¨áâ®ç­¨ª¥ 32 ¡¨â­ ï ª à⨭ª 
mov eax,buf2d_w
mov edx,buf2d_h ;¢ëá®â  ª®¯¨à㥬®© ª à⨭ª¨
mov esi,buf2d_data ;¤ ­­ë¥ ª®¯¨à㥬®© ª à⨭ª¨
mov edi,[buf_destination]
cmp buf2d_bits,24
jne .copy_end ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
mov ebx,[coord_x] ;¢ ebx ¢à¥¬¥­­® áâ ¢¨¬ ®âáâ㯠¨§®¡à ¦¥­¨ï (¤«ï ¯à®¢¥àª¨)
cmp ebx,buf2d_w ;¯à®¢¥à塞 ¢« §¨â «¨ ¨§®¡à ¦¥­¨¥ ¯® è¨à¨­¥
jge .copy_end ;¥á«¨ ¨§®¡à ¦¥­¨¥ ¯®«­®áâìî ¢ë« §¨â §  ¯à ¢ãî áâ®à®­ã
mov ebx,buf2d_h ;ebx - ¢ëá®â  ®á­®¢­®£® ¡ãä¥à 
mov ecx,[coord_y]
cmp ecx,0
jge @f
;¥á«¨ ª®®à¤¨­ â  coord_y<0 (1-ï ­ áâனª )
add edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨
cmp edx,0
jle .copy_end ;¥á«¨ ª®¯¨à㥬®¥ ¨§®¡à ¦¥­¨¥ ­ å®¤¨âáï ¯®«­®áâìî ­ ¤ ¢¥àå­¥© £à ­¨æ¥© ¡ãä¥à  (coord_y<0 ¨ |coord_y|>buf_source.h)
neg ecx
;inc ecx
imul ecx,eax
shl ecx,2 ;¯® 4 ¡ ©â  ­  ¯¨ªá¥«ì
add esi,ecx ;ᤢ¨£ ¥¬ 㪠§ â¥«ì á ª®¯¨à㥬묨 ¤ ­­ë¬¨, á ãç¥â®¬ ¯à®¯ã襭®© ç áâ¨
xor ecx,ecx ;®¡­ã«ï¥¬ ª®®à¤¨­ âã coord_y
@@:
cmp ecx,ebx
jge .copy_end ;¥á«¨ ª®®à¤¨­ â  'y' ¡®«ìè¥ ¢ëá®âë ¡ãä¥à 
add ecx,edx ;ecx - ­¨¦­ïï ª®®à¤¨­ â  ª®¯¨à㥬®© ª à⨭ª¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨, ¢ á«ãç¥ ª®£¤  ®­  ¢ë« §¨â §  ­¨¦­îî £à ­¨æã
@@:
mov ebx,buf2d_w
;mov ecx,ebx ;ecx ¨á¯®«ì§ã¥¬ ¤«ï ¢à¥¬¥­­ëå 楫¥©
;imul ecx,[coord_y]
;add ecx,[coord_x]
mov ecx,[coord_y] ;ecx ¨á¯®«ì§ã¥¬ ¤«ï ¢à¥¬¥­­ëå 楫¥©
cmp ecx,0
jg .end_otr_c_y_32
;¥á«¨ ª®®à¤¨­ â  coord_y<=0 (2-ï ­ áâனª )
mov ecx,[coord_x]
jmp @f
.end_otr_c_y_32:
imul ecx,ebx
add ecx,[coord_x]
@@:
lea ecx,[ecx+ecx*2]
add ecx,buf2d_data
sub ebx,eax
mov edi,ecx ;edi 㪠§ â¥«ì ­  ¤ ­­ë¥ ¡ãä¥à , ªã¤  ¡ã¤¥â ¯à®¨§¢®¤¨âáï ª®¯¨à®¢ ­¨¥
mov [right_bytes],0
mov ecx,[coord_x]
cmp ecx,ebx
jl @f
sub ecx,ebx
sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
shl ecx,2 ;ecx - ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª à⨭ª¨, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî áâ®à®­ã
mov [right_bytes],ecx
@@:
;eax - ª®««¨ç¥á⢮ ¯¨ªá¥«¥© ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨭ª¨
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à  ¬¨­ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨭ª¨
cld
cmp [right_bytes],0
jg .copy_3
.copy_2: ;¯à®á⮥ ª®¯¨à®¢ ­¨¥
mov ecx,eax
@@:
movsw
movsb
inc esi
loop @b
add edi,ebx
dec edx
cmp edx,0
jg .copy_2
jmp .copy_end
.copy_3: ;­¥ ¯à®á⮥ ª®¯¨à®¢ ­¨¥ (ª à⨭ª  ¢ë« §¨â §  ¯à ¢ãî áâ®à®­ã)
mov ecx,eax
@@:
movsw
movsb
inc esi
loop @b
add edi,ebx
add esi,[right_bytes] ;¤®¡ ¢«ï¥¬ ¡ ©âë, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî £à ­¨æã
dec edx
cmp edx,0
jg .copy_3
.copy_end:
popad
ret
endp
;input:
; esi = pointer to color1 + transparent
; edi = pointer to background color2
;output:
; [edi] = combine color
align 4
combine_colors_0:
push ax bx cx dx
mov bx,0x00ff ;---get transparent---
movzx cx,byte[esi+3] ;pro
sub bx,cx ;256-pro
;---blye---
movzx ax,byte[esi]
imul ax,bx
movzx dx,byte[edi]
imul dx,cx
add ax,dx
mov byte[edi],ah
;---green---
movzx ax,byte[esi+1]
imul ax,bx
movzx dx,byte[edi+1]
imul dx,cx
add ax,dx
mov byte[edi+1],ah
;---red---
movzx ax,byte[esi+2]
imul ax,bx
movzx dx,byte[edi+2]
imul dx,cx
add ax,dx
mov byte[edi+2],ah
pop dx cx bx ax
ret
;äã­ªæ¨ï ª®¯¨àã¥â ¨§®¡à ¦¥­¨¥ ¨§ ¡ãä¥à  buf_source (32b) ¢ buf_destination (24b)
; 㪠§ë¢ îâáï ª®®à¤¨­ âë ¢áâ ¢ª¨ ¡ãä¥à  buf_source ®â­®á¨â¥«ì­® buf_destination
; ¯à¨ ª®¯¨à®¢ ­¨¨ ãç¨â뢠¥âáï ¯à®§à ç­®áâì
align 4
proc buf_bit_blt_transp, buf_destination:dword, coord_x:dword, coord_y:dword, buf_source:dword
locals
lost_bytes dd ?
endl
pushad
mov edi,[buf_source]
cmp buf2d_bits,32
jne .copy_end ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
mov eax,buf2d_w
mov edx,buf2d_h ;¢ëá®â  ª®¯¨à㥬®© ª à⨭ª¨
mov esi,buf2d_data ;¤ ­­ë¥ ª®¯¨à㥬®© ª à⨭ª¨
mov edi,[buf_destination]
cmp buf2d_bits,24
jne .copy_end ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
mov ebx,buf2d_h ;ebx - ¢ëá®â  ®á­®¢­®£® ¡ãä¥à 
mov ecx,[coord_y]
cmp ecx,0
jge @f
;¥á«¨ ª®®à¤¨­ â  coord_y<0 (1-ï ­ áâனª )
add edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨
cmp edx,0
jle .copy_end ;¥á«¨ ª®¯¨à㥬®¥ ¨§®¡à ¦¥­¨¥ ­ å®¤¨âáï ¯®«­®áâìî ­ ¤ ¢¥àå­¥© £à ­¨æ¥© ¡ãä¥à  (coord_y<0 ¨ |coord_y|>buf_source.h)
neg ecx
;inc ecx
imul ecx,eax
shl ecx,2 ;¯® 4 ¡ ©â  ­  ¯¨ªá¥«ì
add esi,ecx ;ᤢ¨£ ¥¬ 㪠§ â¥«ì á ª®¯¨à㥬묨 ¤ ­­ë¬¨, á ãç¥â®¬ ¯à®¯ã襭®© ç áâ¨
xor ecx,ecx ;®¡­ã«ï¥¬ ª®®à¤¨­ âã coord_y
@@:
cmp ecx,ebx
jge .copy_end ;¥á«¨ ª®®à¤¨­ â  'y' ¡®«ìè¥ ¢ëá®âë ¡ãä¥à 
add ecx,edx ;ecx - ­¨¦­ïï ª®®à¤¨­ â  ª®¯¨à㥬®© ª à⨭ª¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨, ¢ á«ãç¥ ª®£¤  ®­  ¢ë« §¨â §  ­¨¦­îî £à ­¨æã
@@:
mov ebx,buf2d_w
mov ecx,ebx ;ecx ¨á¯®«ì§ã¥¬ ¤«ï ¢à¥¬¥­­ëå 楫¥©
cmp [coord_y],0
jg .end_otr_c_y
;¥á«¨ ª®®à¤¨­ â  coord_y<=0 (2-ï ­ áâனª )
mov ecx,[coord_x]
jmp @f
.end_otr_c_y:
imul ecx,[coord_y]
add ecx,[coord_x]
@@:
lea ecx,[ecx+ecx*2]
add ecx,buf2d_data
sub ebx,eax
mov edi,ecx ;edi 㪠§ â¥«ì ­  ¤ ­­ë¥ ¡ãä¥à , ªã¤  ¡ã¤¥â ¯à®¨§¢®¤¨âáï ª®¯¨à®¢ ­¨¥
mov dword[lost_bytes],0
mov ecx,[coord_x]
cmp ecx,0
jge @f
neg ecx
;inc ecx
cmp eax,ecx ;eax - è¨à¨­  ª®¯¨à㥬®© ª à⨭ª¨
jle .copy_end ;¥á«¨ ª®¯¨à㥬®¥ ¨§®¡à ¦¥­¨¥ ­ å®¤¨âáï ¯®«­®áâìî §  «¥¢®© £à ­¨æ¥© ¡ãä¥à  (coord_x<0 ¨ |coord_x|>buf_source.w)
shl ecx,2
mov [lost_bytes],ecx
add esi,ecx
shr ecx,2
sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
lea ecx,[ecx+ecx*2]
add edi,ecx ;edi 㪠§ â¥«ì ­  ¤ ­­ë¥ ¡ãä¥à , ªã¤  ¡ã¤¥â ¯à®¨§¢®¤¨âáï ª®¯¨à®¢ ­¨¥
xor ecx,ecx
@@:
cmp ecx,ebx
jle @f
sub ecx,ebx
sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
shl ecx,2 ;ecx - ç¨á«® ¯¨ªá¥«¥© ¢ 1-© áâப¥ ª à⨭ª¨, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî áâ®à®­ã
add [lost_bytes],ecx
@@:
; mov [right_bytes],0
; mov ecx,[coord_x]
; cmp ecx,ebx
; jl @f
; sub ecx,ebx
; sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
; add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
; shl ecx,2 ;ecx - ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª à⨭ª¨, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî áâ®à®­ã
; mov [right_bytes],ecx
; @@:
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à  ¬¨­ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨭ª¨
cld
cmp [lost_bytes],0
jg .copy_1
.copy_0: ;¯à®á⮥ ª®¯¨à®¢ ­¨¥
mov ecx,eax
@@:
call combine_colors_0
add edi,3
add esi,4
loop @b
add edi,ebx
dec edx
cmp edx,0
jg .copy_0
jmp .copy_end
.copy_1: ;­¥ ¯à®á⮥ ª®¯¨à®¢ ­¨¥ (ª à⨭ª  ¢ë« §¨â §  ¯à ¢ãî áâ®à®­ã)
mov ecx,eax
@@:
call combine_colors_0
add edi,3
add esi,4
loop @b
add edi,ebx
add esi,[lost_bytes] ;¤®¡ ¢«ï¥¬ ¡ ©âë, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî £à ­¨æã
dec edx
cmp edx,0
jg .copy_1
.copy_end:
popad
ret
endp
;input:
; ebx - color1
; esi = pointer to transparent
; edi = pointer to background color2
;output:
; [edi] = combine color
align 4
combine_colors_2:
push ax ebx cx dx si
mov cl,byte[esi] ;pro
xor ch,ch
mov si,0x00ff ;---get transparent---
sub si,cx ;256-pro
;---blye---
movzx ax,bl
shr ebx,8
imul ax,si
movzx dx,byte[edi]
imul dx,cx
add ax,dx
mov byte[edi],ah
;---green---
movzx ax,bl
shr ebx,8
imul ax,si
movzx dx,byte[edi+1]
imul dx,cx
add ax,dx
mov byte[edi+1],ah
;---red---
movzx ax,bl
imul ax,si
movzx dx,byte[edi+2]
imul dx,cx
add ax,dx
mov byte[edi+2],ah
pop si dx cx ebx ax
ret
;äã­ªæ¨ï ª®¯¨àã¥â ¨§®¡à ¦¥­¨¥ ¨§ ¡ãä¥à  buf_source (8b) ¢ buf_destination (24b)
; 㪠§ë¢ îâáï ª®®à¤¨­ âë ¢áâ ¢ª¨ ¡ãä¥à  buf_source ®â­®á¨â¥«ì­® buf_destination
align 4
proc buf_bit_blt_alpha, buf_destination:dword, coord_x:dword, coord_y:dword, buf_source:dword, color:dword
locals
lost_bytes dd ? ;ç¨á«® ¯®â¥àï­­ëå ¡ ©â®¢ ¢ áâப¥ ª®¯¨à㥬®£® ¨§®¡à ¦¥­ï (â¥å çâ® ­¥ ¢« §ïâ ¢ ¡ãä¥à)
dest_w_bytes dd ? ;ª®««¨ç¥á⢮ ¡ ©â ¢ ¡ãä¥à¥ ¯à¨¥¬­¨ª¥ ¯® è¨à¨­¥ - è¨à¨­  ¢áâ ¢«ï¥¬®© ª à⨭ª¨
endl
pushad
mov edi,[buf_source]
cmp buf2d_bits,8
jne .error1 ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
mov eax,buf2d_w ;è¨à¨­  ª®¯¨à㥬®© ª à⨭ª¨
mov edx,buf2d_h ;¢ëá®â  ª®¯¨à㥬®© ª à⨭ª¨
mov esi,buf2d_data ;¤ ­­ë¥ ª®¯¨à㥬®© ª à⨭ª¨
mov edi,[buf_destination]
cmp buf2d_bits,24
jne .error2 ;ä®à¬ â ¡ãä¥à  ­¥ ¯®®¤¥à¦¨¢ ¥âáï
mov ebx,[coord_x] ;¢ ebx ¢à¥¬¥­­® áâ ¢¨¬ ®âáâ㯠¨§®¡à ¦¥­¨ï (¤«ï ¯à®¢¥àª¨)
cmp ebx,buf2d_w ;¯à®¢¥à塞 ¢« §¨â «¨ ¨§®¡à ¦¥­¨¥ ¯® è¨à¨­¥
jge .copy_end ;¥á«¨ ¨§®¡à ¦¥­¨¥ ¯®«­®áâìî ¢ë« §¨â §  ¯à ¢ãî áâ®à®­ã
mov ebx,buf2d_h ;ebx - ¢ëá®â  ®á­®¢­®£® ¡ãä¥à 
mov ecx,[coord_y]
cmp ecx,0
jge @f
;¥á«¨ ª®®à¤¨­ â  coord_y<0 (1-ï ­ áâனª )
add edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨
cmp edx,0
jle .copy_end ;¥á«¨ ª®¯¨à㥬®¥ ¨§®¡à ¦¥­¨¥ ­ å®¤¨âáï ¯®«­®áâìî ­ ¤ ¢¥àå­¥© £à ­¨æ¥© ¡ãä¥à  (coord_y<0 ¨ |coord_y|>buf_source.h)
neg ecx
;inc ecx
imul ecx,eax
add esi,ecx ;ᤢ¨£ ¥¬ 㪠§ â¥«ì á ª®¯¨à㥬묨 ¤ ­­ë¬¨, á ãç¥â®¬ ¯à®¯ã襭®© ç áâ¨
xor ecx,ecx ;®¡­ã«ï¥¬ ª®®à¤¨­ âã coord_y
@@:
cmp ecx,ebx
jge .copy_end ;¥á«¨ ª®®à¤¨­ â  'y' ¡®«ìè¥ ¢ëá®âë ¡ãä¥à 
add ecx,edx ;ecx - ­¨¦­ïï ª®®à¤¨­ â  ª®¯¨à㥬®© ª à⨭ª¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥­ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨭ª¨, ¢ á«ãç¥ ª®£¤  ®­  ¢ë« §¨â §  ­¨¦­îî £à ­¨æã
@@:
mov ebx,buf2d_w
mov ecx,[coord_y] ;ecx ¨á¯®«ì§ã¥¬ ¤«ï ¢à¥¬¥­­ëå 楫¥©
cmp ecx,0
jg .end_otr_c_y
;¥á«¨ ª®®à¤¨­ â  coord_y<=0 (2-ï ­ áâனª )
mov ecx,[coord_x]
jmp @f
.end_otr_c_y:
imul ecx,ebx
add ecx,[coord_x]
@@:
lea ecx,[ecx+ecx*2]
add ecx,buf2d_data ;buf2d_data ¤ ­­ë¥ ®á­®¢­®£® ¡ãä¥à 
sub ebx,eax ;ebx - è¨à¨­  ®á­®¢­®£® ¡ãä¥à  ¬¨­ãá è¨à¨­  à¨á㥬®£® ¡ãä¥à 
mov edi,ecx ;edi 㪠§ â¥«ì ­  ¤ ­­ë¥ ¡ãä¥à , ªã¤  ¡ã¤¥â ¯à®¨§¢®¤¨âáï ª®¯¨à®¢ ­¨¥
mov dword[lost_bytes],0
mov ecx,[coord_x]
cmp ecx,0
jge @f
neg ecx
;inc ecx
cmp eax,ecx ;eax - è¨à¨­  ª®¯¨à㥬®© ª à⨭ª¨
jle .copy_end ;¥á«¨ ª®¯¨à㥬®¥ ¨§®¡à ¦¥­¨¥ ­ å®¤¨âáï ¯®«­®áâìî §  «¥¢®© £à ­¨æ¥© ¡ãä¥à  (coord_x<0 ¨ |coord_x|>buf_source.w)
mov [lost_bytes],ecx
sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
add esi,ecx
lea ecx,[ecx+ecx*2]
add edi,ecx ;edi 㪠§ â¥«ì ­  ¤ ­­ë¥ ¡ãä¥à , ªã¤  ¡ã¤¥â ¯à®¨§¢®¤¨âáï ª®¯¨à®¢ ­¨¥
xor ecx,ecx
@@:
cmp ecx,ebx
jle @f
sub ecx,ebx
sub eax,ecx ;㪮à ç¨¢ ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨­­ï¥¬ áâப㠤«ï ᤢ¨£  £« ¢­®© ª à⨭ª¨ ¡ãä¥à 
;ecx - ç¨á«® ¯¨ªá¥«¥© ¢ 1-© áâப¥ ª à⨭ª¨, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî áâ®à®­ã
add [lost_bytes],ecx
@@:
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à  ¬¨­ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨭ª¨
mov [dest_w_bytes],ebx
mov ebx,[color]
cld
cmp dword[lost_bytes],0
jg .copy_1
.copy_0: ;¯à®á⮥ ª®¯¨à®¢ ­¨¥
mov ecx,eax
@@:
call combine_colors_2
add edi,3
inc esi
loop @b
add edi,[dest_w_bytes]
dec edx
cmp edx,0
jg .copy_0
jmp .copy_end
.copy_1: ;­¥ ¯à®á⮥ ª®¯¨à®¢ ­¨¥ (ª à⨭ª  ¢ë« §¨â §  «¥¢ãî ¨/¨«¨ ¯à ¢ãî áâ®à®­ã)
mov ecx,eax
@@:
call combine_colors_2
add edi,3
inc esi
loop @b
add edi,[dest_w_bytes]
add esi,[lost_bytes] ;¤®¡ ¢«ï¥¬ ¡ ©âë, ª®â®àë¥ ¢ë« §ïâ §  ¯à ¢ãî £à ­¨æã
dec edx
cmp edx,0
jg .copy_1
jmp .copy_end
.error1:
stdcall print_err,sz_buf2d_bit_blt_alpha,txt_err_n8b
jmp .copy_end
.error2:
stdcall print_err,sz_buf2d_bit_blt_alpha,txt_err_n24b
.copy_end:
popad
ret
endp
;¯à¥®¡à §®¢ ­¨¥ 8-¡¨â­®£® ¡ãä¥à  à §¬¥à®¬ 16*16 ¢ à §¬¥à 1*256 ᨬ¢®«®¢
align 4
proc buf_convert_text_matrix, buf_struc:dword
locals
tmp_mem dd ?
c1 dw ?
c2 dd ?
c3 dw ?
endl
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,8
jne .error
mov ecx,buf2d_h
mov ebx,ecx
shr ebx,4 ;¯à¥¤¯®« £ ¥¬ çâ® ¢ ¡ãä¥à¥ 16 áâப á ᨬ¢®« ¬¨, ¯®â®¬ã ¤¥«¨¬ ­  2^4
mov edx,buf2d_w
imul ecx,edx ;ecx = size 8 b
invoke mem.alloc,ecx ;¢ë¤¥«ï¥¬ ¢à¥¬¥­­ãî ¯ ¬ïâì
mov [tmp_mem],eax ;eax - new memory
shr edx,4 ;¯à¥¤¯®« £ ¥¬ çâ® ¢ ¡ãä¥à¥ 16 ª®«®­®ª á ᨬ¢®« ¬¨, ¯®â®¬ã ¤¥«¨¬ ­  2^4
mov eax,ebx
imul ebx,edx ;¢ëç¨á«ï¥¬ ª®®«¨ç¥á⢮ ¯¨ªá¥«¥© ­  1 ᨬ¢®«
;eax = bhe - ¢ëá®â  ¡ãª¢ë
;ebx = bwi*bhe - ª®««¨ç¥á⢮ ¯¨ªá¥«¥© ¢ 1-© ¡ãª¢¥
;edx = bwi - è¨à¨­  ¡ãª¢ë
;ecx,esi,edi - ¨á¯®«ì§ãîâáï ¢ 横«¥ .c_0
shr buf2d_w,4
shl buf2d_h,4 ;¯à¥®¡à §®¢ë¢ ¥¬ à §¬¥àë ¡ãä¥à 
cld
mov esi,buf2d_data
mov edi,[tmp_mem]
mov word[c3],16
.c_3:
mov dword[c2],eax
.c_2:
mov word[c1],16
.c_1:
mov ecx,edx ;.c_0:
rep movsb
add edi,ebx
sub edi,edx ;edi+=(bwi*bhe-bwi)
dec word[c1]
cmp word[c1],0
jg .c_1
add edi,edx
shl ebx,4
sub edi,ebx ;edi-=(16*bwi*bhe-bwi)
shr ebx,4
dec dword[c2]
cmp dword[c2],0
jg .c_2
sub edi,ebx
shl ebx,4
add edi,ebx ;edi+=(15*bwi*bhe)
shr ebx,4
dec word[c3]
cmp word[c3],0
jg .c_3
mov edi,dword[buf_struc] ;ª®¯¨à®¢ ­¨¥ ­®¢®© ¬ âà¨æë ¢ ®á­®¢­®© ¡ãä¥à
mov edi,buf2d_data
mov esi,[tmp_mem]
mov ecx,ebx
shl ecx,8
rep movsb
invoke mem.free,[tmp_mem] ;ç¨á⨬ ¢à¥¬¥­­ãî ¯ ¬ïâì
jmp .end_conv
.error:
stdcall print_err,sz_buf2d_convert_text_matrix,txt_err_n8b
.end_conv:
popad
ret
endp
align 4
buf_s_matr buf_2d_header ? ;«®ª «ì­ ï ¬ âà¨æ  ᨬ¢®« 
align 4
proc buf_draw_text, buf_struc:dword, buf_t_matr:dword, text:dword, coord_x:dword, coord_y:dword, color:dword
locals
buf_t_matr_offs dd ?
endl
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .error2
mov edi,dword[buf_t_matr]
cmp buf2d_bits,8
jne .error1
mov edx,buf2d_data
mov [buf_t_matr_offs],edx
mov ecx,BUF_STRUCT_SIZE ;ª®¯¨à㥬 áâàãªâãàã ⥪á⮢®© ¬ âà¨æë
mov esi,edi
lea edi,[buf_s_matr]
cld
rep movsb
lea edi,[buf_s_matr]
shr buf2d_h,8 ;¤¥«¨¬ ¢ëá®âã ᨬ¢®«ì­®£® ¡ãä¥à  ­  256, ¤«ï ­ å®¦¤¥­¨ï ¢ëá®âë 1-£® ᨬ¢®« 
mov ebx,buf2d_h ;¡¥à¥¬ ¢ëá®âã ᨬ¢®« 
mov ecx,buf2d_w ;¡¥à¥¬ è¨à¨­ã ᨬ¢®« 
mov eax,[coord_x]
mov esi,[text]
cmp byte[esi],0
je .end_draw ;¥á«¨ ¯ãáâ ï áâப 
@@:
xor edx,edx
mov dl,byte[esi] ;¡¥à¥¬ ª®¤ ᨬ¢®« 
imul edx,ebx ;㬭®¦ ¥¬ ¥£® ­  ¢ëá®âã ᨬ¢®« 
imul edx,ecx ;㬭®¦ ¥¬ ­  è¨à¨­ã ᨬ¢®« 
add edx,[buf_t_matr_offs] ;¯à¨¡ ¢«ï¥¬ ᬥ饭¨¥ 0-£® ᨬ¢®« , â. ¥. ¯®«ãç ¥âáï ᬥ饭¨¥ ¢ë¢®¤¨¬®£® ᨬ¢®« 
mov buf2d_data,edx ;¢ «®ª «ì­ë© ¡ãä¥à ᨬ¢®« , áâ ¢¨¬ 㪠§ â¥«ì ­  ­ã¦­ë© ᨬ¢®« ¨§ ¡ãä¥à  buf_t_matr
stdcall buf_bit_blt_alpha, [buf_struc], eax,[coord_y], edi,[color]
add eax,ecx
.new_s:
inc esi
cmp byte[esi],13
jne .no_13
mov eax,[coord_x]
add [coord_y],ebx
jmp .new_s
.no_13:
cmp byte[esi],0
jne @b
jmp .end_draw
.error1:
stdcall print_err,sz_buf2d_draw_text,txt_err_n8b
jmp .end_draw
.error2:
stdcall print_err,sz_buf2d_draw_text,txt_err_n24b
.end_draw:
popad
ret
endp
align 4
proc print_err, fun:dword, mes:dword ;¢ë¢®¤¨¬ á®®¡é¥­¨¥ ®¡ 訡ª¥ ­  ¤®áªã ®â« ¤ª¨
pushad
mov eax,63
mov ebx,1
mov esi,[fun]
@@:
mov cl,byte[esi]
int 0x40
inc esi
cmp byte[esi],0
jne @b
mov cl,':'
int 0x40
mov cl,' '
int 0x40
mov esi,[mes]
@@:
mov cl,byte[esi]
int 0x40
inc esi
cmp byte[esi],0
jne @b
popad
ret
endp
;input:
; ebp+8 = p0
; ebp+12 = p1
align 4
line_len4i:
push ebp
mov ebp,esp
finit
fild word [ebp+8]
fisub word [ebp+12]
fmul st0,st0 ;st0=x^2
fild word [ebp+10]
fisub word [ebp+14]
fmul st0,st0 ;st0=y^2
fadd st0,st1
fsqrt
fstp dword [ebp+12]
pop ebp
ret 4 ;8
align 4
proc buf_curve_bezier, buffer:dword, coord_p0:dword,coord_p1:dword,coord_p2:dword, color:dword
locals
delt_t dd ?
opr_param dd ?
v_poi_0 dd ?
endl
pushad
;float t, xt,yt;
;for(t=.0;t<1.;t+=.005){
; xt=pow(1.-t,2)*x0+2*t*(1.-t)*x1+pow(t,2)*x2;
; yt=pow(1.-t,2)*y0+2*t*(1.-t)*y1+pow(t,2)*y2;
; dc.SetPixel(xt,yt,255L);
;}
mov edx,[color] ;set curve color
mov edi,[buffer]
xor ebx,ebx
xor ecx,ecx
finit
; calculate delta t
stdcall line_len4i, dword[coord_p1],dword[coord_p0]
fadd dword[esp]
add esp,4 ;pop ...
stdcall line_len4i, dword[coord_p2],dword[coord_p1]
fadd dword[esp]
add esp,4 ;pop ...
fadd st0,st0 ; len*=2
ftst
fstsw ax
fld1
sahf
jle @f ;¨§¡¥£ ¥¬ ¤¥«¥­¨ï ­  0
fdiv st0,st1
@@:
fstp dword[delt_t]
finit
;fild word[coord_p2+2] ;y2
fild word[coord_p1+2] ;y1
fild word[coord_p0+2] ;y0
fild word[coord_p2] ;x2
fild word[coord_p1] ;x1
fild word[coord_p0] ;x0
fld dword[delt_t]
fldz ;t=.0
@@:
fld1
fsub st0,st1 ;1.-t
fmul st0,st0 ;pow(1.-t,2)
fmul st0,st3 ;...*x0
fstp dword[opr_param]
fld1
fsub st0,st1 ;1.-t
fmul st0,st1 ;(1.-t)*t
fadd st0,st0
fmul st0,st4 ;...*x1
mov esi,dword[opr_param]
fstp dword[opr_param]
fldz
fadd st0,st1 ;0+t
fmul st0,st0 ;t*t
fmul st0,st5 ;...*x2
fadd dword[opr_param]
mov dword[opr_param],esi
fadd dword[opr_param]
fistp word[v_poi_0] ;x
fld1
fsub st0,st1 ;1.-t
fmul st0,st0 ;pow(1.-t,2)
fmul st0,st6 ;...*y0
fstp dword[opr_param]
fld1
fsub st0,st1 ;1.-t
fmul st0,st1 ;(1.-t)*t
fadd st0,st0
fmul st0,st7 ;...*y1
mov esi,dword[opr_param]
fstp dword[opr_param]
fldz
fadd st0,st1 ;0+t
fmul st0,st0 ;t*t
fimul word[coord_p2+2] ;...*y2
fadd dword[opr_param]
mov dword[opr_param],esi
fadd dword[opr_param]
fistp word[v_poi_0+2] ;y
mov eax,1
mov bx,word[v_poi_0+2]
mov cx,word[v_poi_0]
call draw_pixel
fadd st0,st1 ;t+dt
fld1
fcomp
fstsw ax
sahf
jae @b
popad
ret
endp
;䨫ìâ¥à
align 4
proc buf_filter_dither, buffer:dword, algor:dword
pushad
mov edi,[buffer]
cmp buf2d_bits,24
jne .error
mov edx,buf2d_w
mov esi,buf2d_h
mov edi,buf2d_data
;edi - pointer to 24bit bitmap
;edx - x size
;esi - y size
lea edx,[edx*3]
imul esi,edx
;®¯à¥¤¥«ï¥¬ ª ª®©  «£®à¨â¬ ¨á¯®«ì§®¢ âì
cmp dword[algor],0
jne @f
call dither_0
jmp .dither_end
@@:
cmp dword[algor],1
jne @f
call dither_1
jmp .dither_end
@@:
call dither_2
jmp .dither_end
.error:
stdcall print_err,sz_buf2d_filter_dither,txt_err_n24b
.dither_end:
popad
ret
endp
align 16
dither_0: ; Sierra Filter Lite algoritm
newp_0: ; Dithering cycle
xor ebx,ebx ; At first threshold
movzx ecx,byte[edi]
cmp cl,255
je newp_0.next
test cl,cl
jz newp_0.next
jns @f
dec ebx
sub ecx,255
@@:
mov [edi],bl ; putpixel
sar ecx,1 ; error/2
;adc ecx,0 ; round to integer
movzx eax,byte[edi+3] ; pixel (x+1;y)
add eax,ecx ; add error/2 to (x+1;y)
jge @f ; check_overflow
xor eax,eax
jmp .ok
@@:
cmp eax,255
jle .ok
or al,255
.ok:
mov [edi+3],al ; putpixel
sar ecx,1 ; error/4
adc ecx,0 ; round to integer
movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1)
add eax,ecx ; add error/4 to (x-1;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok1
@@:
cmp eax,255
jle .ok1
or al,255
.ok1:
mov [edi+edx-3],al ; putpixel
movzx eax,byte[edi+edx] ; pixel (x;y+1)
add eax,ecx ; add error/4 to (x;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok2
@@:
cmp eax,255
jle .ok2
or al,255
.ok2:
mov [edi+edx],al ; putpixel
.next:
inc edi
dec esi
jnz newp_0
ret
align 16
dither_1: ; Floyd-Steinberg algoritm
newp_1: ; Dithering cycle
xor ebx,ebx ; At first threshold
movzx ecx,byte[edi]
cmp cl,255
je newp_1.next
test cl,cl
jz newp_1.next
jns @f
dec ebx
sub ecx,255
@@:
mov [edi],bl ; putpixel
sar ecx,4 ; error/16
adc ecx,0 ; round to integer
mov ebx,ecx
movzx eax,byte[edi+edx+3] ; pixel (x+1;y+1)
add eax,ecx ; add error/16 to (x+1;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok
@@:
cmp eax,255
jle .ok
or al,255
.ok:
mov [edi+edx+3],al ;putpixel
imul ecx,3
movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1)
add eax,ecx ; add 3*error/16 to (x-1;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok1
@@:
cmp eax,255
jle .ok1
or al,255
.ok1:
mov [edi+edx-3],al ;putpixel
mov ecx,ebx
imul ecx,5
movzx eax,byte[edi+edx] ; pixel (x;y+1)
add eax,ecx ; add 5*error/16 to (x;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok2
@@:
cmp eax,255
jle .ok2
or al,255
.ok2:
mov [edi+edx],al ;putpixel
mov ecx,ebx
imul ecx,7
movzx eax,byte[edi+3] ; pixel (x+1;y)
add eax,ecx ; add 7*error/16 to (x+1;y)
jge @f ; check_overflow
xor eax,eax
jmp .ok3
@@:
cmp eax,255
jle .ok3
or al,255
.ok3:
mov [edi+3],al ;putpixel
.next:
inc edi
dec esi
jnz newp_1
ret
align 16
dither_2: ; Burkers algoritm
newp_2: ; Dithering cycle
xor ebx,ebx ; At first threshold
movsx ecx,byte[edi]
cmp cl,255
je newp_2.next
test cl,cl
jz newp_2.next
jns @f
dec ebx
@@:
mov [edi],bl ; putpixel
sar ecx,2 ; error/4
adc ecx,0 ; round to integer
movzx eax,byte[edi+3] ; pixel (x+1;y)
add eax,ecx ; add error/4 to (x+1;y)
jge @f ; check_overflow
xor eax,eax
jmp .ok
@@:
cmp eax,255
jle .ok
or al,255
.ok:
mov [edi+3],al ; putpixel
movzx eax,byte[edi+edx] ; pixel (x;y+1)
add eax,ecx ; add error/4 to (x;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok1
@@:
cmp eax,255
jle .ok1
or al,255
.ok1:
mov [edi+edx],al ; putpixel
sar ecx,1 ; error/8
adc ecx,0 ; round to integer
movzx eax,byte[edi+6] ; pixel (x+2;y)
add eax,ecx ; add error/8 to (x+2;y)
jge @f ; check_overflow
xor eax,eax
jmp .ok2
@@:
cmp eax,255
jle .ok2
or al,255
.ok2:
mov [edi+6],al ; putpixel
movzx eax,byte[edi+edx-3] ; pixel (x-1;y+1)
add eax,ecx ; add error/8 to (x-1;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok3
@@:
cmp eax,255
jle .ok3
or al,255
.ok3:
mov [edi+edx-3],al ; putpixel
movzx eax,byte[edi+edx+3] ; pixel (x+1;y+1)
add eax,ecx ; add error/8 to (x+1;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok4
@@:
cmp eax,255
jle .ok4
or al,255
.ok4:
mov [edi+edx+3],al ; putpixel
sar ecx,1 ; error/16
;adc ecx,0 ; round to integer
movzx eax,byte[edi+edx-6] ; pixel (x-2;y+1)
add eax,ecx ; add error/16 to (x-2;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok5
@@:
cmp eax,255
jle .ok5
or al,255
.ok5:
mov [edi+edx-6],al ; putpixel
movzx eax,byte[edi+edx+6] ; pixel (x+2;y+1)
add eax,ecx ; add error/16 to (x+2;y+1)
jge @f ; check_overflow
xor eax,eax
jmp .ok6
@@:
cmp eax,255
jle .ok6
or al,255
.ok6:
mov [edi+edx+6],al ; putpixel
.next:
inc edi
dec esi
jnz newp_2
ret
;*** ä㭪樨 ¤«ï à ¡®âë á ¢®ªá¥«ì­®© £à ä¨ª®© ***
;ᮧ¤ ­¨¥ ¢®ªá¥«ì­ëå ª¨á⥩
align 4
proc vox_brush_create uses eax ebx ecx edi, h_br:dword, buf_z:dword
mov edi,[h_br]
movzx ecx,byte[edi+3]
add edi,4
; *** ᮧ¤ ­¨¥ ¥¤¨­¨ç­®© ª¨á⨠***
mov eax,[buf_z]
mov buf2d_data,eax
movzx eax,byte[edi-4] ;è¨à¨­  ¥¤¨­¨ç­®© ª¨áâ¨
mov buf2d_w,eax ;è¨à¨­  ¡ãä¥à 
movzx eax,byte[edi-4+1] ;¢ëá®â  ¥¤¨­¨ç­®© ª¨áâ¨
mov buf2d_h,eax ;¢ëá®â  ¡ãä¥à 
mov buf2d_size_lt,0 ;®âáâ㯠᫥¢  ¨ á¯à ¢  ¤«ï ¡ãä¥à 
mov buf2d_color,0 ;梥â ä®­  ¡ãä¥à 
mov buf2d_bits,32 ;ª®«¨ç¥á⢮ ¡¨â ¢ 1-© â®çª¥ ¨§®¡à ¦¥­¨ï
; *** ᮧ¤ ­¨¥ á«¥¤ãîé¨å ª¨á⥩ ***
cmp ecx,1
jl .end_creat
movzx ebx,byte[edi-4+2] ;¢ëá®â  ®á­®¢ ­¨ï ¥¤¨­¨ç­®© ª¨áâ¨
shr ebx,1
cld
@@:
mov eax,edi
add edi,BUF_STRUCT_SIZE
stdcall vox_create_next_brush, eax, edi, ebx
shl ebx,1
loop @b
.end_creat:
ret
endp
;㤠«¥­¨¥ ¢®ªá¥«ì­ëå ª¨á⥩
align 4
proc vox_brush_delete uses ecx edi, h_br:dword
mov edi,[h_br]
movzx ecx,byte[edi+3]
add edi,4
; *** 㤠«¥­¨¥ ª¨á⥩ ***
cmp ecx,1
jl .end_delete
cld
@@:
add edi,BUF_STRUCT_SIZE
stdcall buf_delete, edi
loop @b
.end_delete:
ret
endp
;äã­ªæ¨ï ¤«ï ᮧ¤ ­¨ï ¢®ªá¥«ï á«¥¤ãî饣® ¯®à浪 
; buf_v1 - ¡ãä¥à á ¨á室­ë¬ ¢®ªá¥«¥¬
; buf_v2 - ¡ãä¥à á 㢥«¨ç¥­ë¬ ¢®ªá¥«¥¬
; h - ¢ëá®â  ®á­®¢ ­¨ï ¨á室­®£® ¢®ªá¥«ï : 2
align 4
proc vox_create_next_brush uses eax ebx ecx edx edi, buf_v1:dword, buf_v2:dword, h:dword
mov edi,[buf_v1]
mov ebx,buf2d_h
mov ecx,buf2d_w
mov edi,[buf_v2]
mov buf2d_h,ebx
shl buf2d_h,1
mov buf2d_w,ecx
shl buf2d_w,1
mov buf2d_color,0
mov buf2d_bits,32
stdcall buf_create, [buf_v2] ;ᮧ¤ ­¨¥ ¡ãä¥à  £«ã¡¨­ë
shr ecx,1
mov edx,[h]
shl edx,1
sub ebx,edx
;ecx - è¨à¨­  ¨á室­®£® ¢®ªá¥«ï : 2
;ebx - ¢ëá®â  ¨á室­®£® ¢®ªá¥«ï (¡¥§ ®á­®¢ ­¨ï)
;edx - ¢ëá®â  ®á­®¢ ­¨ï ¨á室­®£® ¢®ªá¥«ï
mov eax,[h]
cmp eax,0
je @f
stdcall vox_add, [buf_v2], [buf_v1], ecx,0,0
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,0
stdcall vox_add, [buf_v2], [buf_v1], 0,eax,eax
push eax ;stdcall ...
add eax,ebx
stdcall vox_add, [buf_v2], [buf_v1], 0,eax ;,...
sub eax,ebx
shl ecx,1
;ecx - è¨à¨­  ¨á室­®£® ¢®ªá¥«ï
stdcall vox_add, [buf_v2], [buf_v1], ecx,eax,eax
push eax ;stdcall ...,[h]
add eax,ebx
stdcall vox_add, [buf_v2], [buf_v1], ecx,eax;,[h]
;sub eax,ebx
shr ecx,1
;ecx - è¨à¨­  ¨á室­®£® ¢®ªá¥«ï : 2
stdcall vox_add, [buf_v2], [buf_v1], ecx,edx,edx
add ebx,edx
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,edx
jmp .end_0
@@:
;¥á«¨ h = 0, ⮣¤  ¯®«ãç ¥¬ ª¨áâì ­  2 £à ­¨
;¢ â ª®¬ á«ãç ¥ ¤«ï ¯®«ã祭¨ï £«ã¡¨­ë ¡¥à¥¬ è¨à¨­ã / 2
mov eax,ecx
;2 «¥¢ëå ¢®ªá¥«ï
stdcall vox_add, [buf_v2], [buf_v1], 0,0,eax
stdcall vox_add, [buf_v2], [buf_v1], 0,ebx,eax
shl eax,1
;2 業âà «ì­ëå ¯¥à¥¤­¨å ¢®ªá¥«ï (§ ¤­¨¥ 業âà «ì­ë¥ ­¥ ¢ë¢®¤¨¬)
stdcall vox_add, [buf_v2], [buf_v1], ecx,0,eax
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,eax
shr eax,1
shl ecx,1
;2 ¯à ¢ëå ¢®ªá¥«ï
stdcall vox_add, [buf_v2], [buf_v1], ecx,0,eax
stdcall vox_add, [buf_v2], [buf_v1], ecx,ebx,eax
.end_0:
ret
endp
;
align 4
proc vox_add, buf_v1:dword, buf_v2:dword, coord_x:dword, coord_y:dword, coord_z:dword
pushad
mov ebx,[coord_x]
mov eax,[coord_y]
mov edi,[buf_v2]
mov ecx,buf2d_h
mov esi,buf2d_w
imul ecx,esi
add esi,ebx
mov edx,buf2d_data
cld
;ecx - count pixels in voxel
;edx - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢ ¢®ªá¥«ì­®¬ ¡ãä¥à¥
;edi - 㪠§ â¥«ì ­  ¢®ªá¥«ì­ë© ¡ãä¥à
;esi - width voxel buffer add coord x
.cycle:
cmp dword[edx],0
je @f
;¯à®¢¥à塞 ¡ãä¥à £«ã¡¨­ë
push eax ecx edi esi
mov ecx,eax
mov edi,[buf_v1]
call get_pixel_32 ;stdcall buf_get_pixel, [buf_v1],ebx,ecx
mov esi,[edx]
add esi,[coord_z]
cmp eax,esi
jge .end_draw
stdcall buf_set_pixel, [buf_v1],ebx,ecx,esi ;esi = new coord z
.end_draw:
pop esi edi ecx eax
@@:
add edx,4
inc ebx
cmp ebx,esi
jl @f
inc eax
sub ebx,buf2d_w
@@:
loop .cycle
popad
ret
endp
;description:
; ¢®§¢à è ¥â è¨à¨­ã ¢®ªá¥«ì­®£® ¨§®¡à ¦¥­¨ï á 3-¬ï £à ­ï¬¨
; ¯à¨­¨¬ ¥â 㪠§ â¥«ì ­  ª¨áâì ¨ ¬ áèâ ¡
align 4
proc buf_vox_obj_get_img_w_3g uses ecx, h_br:dword,k_scale:dword
mov ecx,[h_br]
movzx eax,byte[ecx]
cmp dword[k_scale],1
jl .end_c0
mov ecx,[k_scale]
shl eax,cl
.end_c0:
ret
endp
;description:
; ¢®§¢à è ¥â ¢ëá®âã ¢®ªá¥«ì­®£® ¨§®¡à ¦¥­¨ï á 3-¬ï £à ­ï¬¨
; ¯à¨­¨¬ ¥â 㪠§ â¥«ì ­  ª¨áâì ¨ ¬ áèâ ¡
align 4
proc buf_vox_obj_get_img_h_3g uses ecx, h_br:dword,k_scale:dword
mov ecx,[h_br]
movzx eax,byte[ecx+1]
cmp dword[k_scale],1
jl .end_c0
mov ecx,[k_scale]
shl eax,cl
.end_c0:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ¢®ªá¥«ì­ë© ®¡ê¥ªâ (¢¨¤­  1 £à ­ì)
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
align 4
proc buf_vox_obj_draw_1g, buf_i:dword, buf_z:dword, v_obj:dword, coord_x:dword,\
coord_y:dword, k_scale:dword
cmp [k_scale],0
jl .end_f
pushad
mov edi,[buf_i]
cmp buf2d_bits,24
jne .error1
mov edi,[buf_z]
cmp buf2d_bits,32
jne .error2
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
mov edi,[v_obj]
add edi,vox_offs_data
xor esi,esi
stdcall draw_sub_vox_obj_1g, [buf_i],[buf_z],[v_obj]
jmp .end_0
.error1:
stdcall print_err,sz_buf2d_vox_obj_draw_1g,txt_err_n24b
jmp .end_0
.error2:
stdcall print_err,sz_buf2d_vox_obj_draw_1g,txt_err_n32b
.end_0:
popad
.end_f:
ret
endp
;input:
; ebx - coord_x
; edx - coord_y
; esi - coord_z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
align 4
proc draw_sub_vox_obj_1g, buf_i:dword, buf_z:dword, v_obj:dword
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;¯à®à¨á®¢ª  à ¬ª¨ ¥á«¨ à §¬¥à 㧫  = 1
cmp ecx,0
jne @f
;¯à®¢¥àª  £«ã¡¨­ë esi
stdcall buf_get_pixel, [buf_z], ebx,edx, esi
cmp eax,esi
jge @f
push ecx
mov ecx,dword[edi]
and ecx,0xffffff
stdcall buf_set_pixel, [buf_i], ebx,edx, ecx
stdcall buf_set_pixel, [buf_z], ebx,edx, esi
pop ecx
@@:
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push edx
;¢å®¤ ¢­ãâàì 㧫 
dec ecx
mov eax,1
cmp ecx,1
jl @f
shl eax,cl
@@:
add edx,eax ;ª®à¥ªâ¨à®¢ª  ¢ëá®âë ¯®¤ ¢®ªá¥«ì ­¨¦­¥£® ã஢­ï
mov ah,byte[edi+3]
add edi,4
mov al,8
.cycle:
bt ax,8 ;â¥áâ¨à㥬 ⮫쪮 ah
jnc .c_next
push eax ebx edx esi
stdcall vox_corect_coords_pl, [v_obj],1
stdcall draw_sub_vox_obj_1g, [buf_i],[buf_z],[v_obj]
pop esi edx ebx eax
.c_next:
shr ah,1
dec al
jnz .cycle
;¢ë室 ¨§ 㧫 
inc ecx
pop edx
jmp .end_f
.sub_trees:
cmp ecx,0
jl .end_0 ;­¥ à¨á㥬 ®ç¥­ì ¬ «¥­ìª¨¥ ¢®ªá¥«¨
;à¨á㥬 㧥«
mov eax,[edi]
and eax,0xffffff
cmp ecx,1
jl @f
;ª¢ ¤à â ¡®«ìè¥ â¥ªã饣® ¬ áèâ ¡ 
stdcall vox_draw_square_1g, [buf_i],[buf_z],eax
jmp .end_0
@@:
;ª¢ ¤à â ⥪ã饣® ¬ áèâ ¡ 
push ecx
mov ecx,eax
stdcall buf_get_pixel, [buf_z], ebx,edx
cmp eax,esi
jge .end_1
stdcall buf_set_pixel, [buf_i], ebx,edx,ecx
stdcall buf_set_pixel, [buf_z], ebx,edx,esi
.end_1:
pop ecx
.end_0:
add edi,4
.end_f:
ret
endp
;output:
; eax - à §àãè ¥âáï
align 4
proc vox_draw_square_1g uses ecx edx edi, buf_i:dword, buf_z:dword, color:dword
locals
img_size dd ?
coord_y dd ?
endl
mov edi,[buf_z]
xor eax,eax
inc eax
shl eax,cl
mov [img_size],eax
mov [coord_y],eax
.cycle_0:
push ebx
mov ecx,[img_size]
cld
.cycle_1:
push ecx
mov ecx,edx
call get_pixel_32
pop ecx
cmp eax,esi
jge @f
stdcall buf_set_pixel, [buf_i], ebx,edx, [color]
stdcall buf_set_pixel, edi, ebx,edx, esi
@@:
inc ebx
loop .cycle_1
pop ebx
inc edx
dec dword[coord_y]
jnz .cycle_0
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ¢®ªá¥«ì­ë© ®¡ê¥ªâ (¢¨¤­® 3 £à ­¨)
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; v_obj - ¢®ªá¥«ì­ë© ®¡ê¥ªâ
; k_scale - ª®íä. ¤«ï ¬ áèâ ¡¨à®¢ ­¨ï ¨§®¡à ¦¥­¨ï
align 4
proc buf_vox_obj_draw_3g, buf_i:dword, buf_z:dword, h_br:dword, v_obj:dword,\
coord_x:dword, coord_y:dword, coord_z:dword, k_scale:dword
pushad
mov edi,[v_obj]
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
add edi,vox_offs_data
mov esi,[coord_z]
stdcall vox_go_in_node, [buf_i], [buf_z], [h_br], [v_obj]
popad
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ç áâì ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; v_obj - ¢®ªá¥«ì­ë© ®¡ê¥ªâ
; k_scale - ª®íä. ¤«ï ¬ áèâ ¡¨à®¢ ­¨ï ¨§®¡à ¦¥­¨ï
align 4
proc buf_vox_obj_draw_3g_scaled, buf_i:dword, buf_z:dword, h_br:dword, v_obj:dword,\
coord_x:dword, coord_y:dword, coord_z:dword, k_scale:dword,\
s_c_x:dword, s_c_y:dword, s_c_z:dword, s_k_scale:dword,b_color:dword
pushad
locals
p_node dd 0 ;த¨â¥«ì᪨© 㧥«
endl
mov edi,[v_obj]
add edi,vox_offs_data
mov ecx,[k_scale]
mov ebx,[coord_x]
;â¥á⮢ ï à ¬ª 
mov eax,[h_br]
movzx edx,byte[eax]
movzx esi,byte[eax+1]
cmp ecx,1
jl .end_c0
shl edx,cl
shl esi,cl
.end_c0:
;stdcall buf_rect_by_size, [buf_i], ebx,[coord_y],edx,esi, [b_color]
;¢¥à⨪ «ì­ ï ¯®«®á 
add ebx,edx
shr edx,cl
stdcall buf_rect_by_size, [buf_i], ebx,[coord_y],edx,esi, [b_color]
mov ecx,[s_k_scale]
shr esi,cl
xor eax,eax
inc eax
shl eax,cl
dec eax
sub eax,[s_c_z] ;§­ ç¥­¨ï ¯® ®á¨ z ¢®§à áâ îâ á ­¨§ã ¢¢¥àå
imul eax,esi
add eax,[coord_y]
stdcall buf_filled_rect_by_size, [buf_i], ebx,eax,edx,esi, [b_color]
mov ebx,[coord_y]
shl esi,cl
add ebx,esi
stdcall buf_vox_obj_get_img_w_3g, [h_br],[k_scale]
shr eax,1
mov esi,[h_br]
movzx esi,byte[esi+1]
;¯®«§ã­®ª
stdcall draw_polz_hor, [buf_i], [coord_x],ebx,eax,esi, [s_c_x], [s_k_scale], [b_color]
mov edx,[coord_x]
add edx,eax
;¯®«§ã­®ª
stdcall draw_polz_hor, [buf_i], edx,ebx,eax,esi, [s_c_y], [s_k_scale], [b_color]
;---
mov esi,[s_k_scale]
cmp esi,1
jl .end_2
; *** (1) ***
.found:
stdcall vox_obj_get_node_position, [v_obj],[s_c_x],[s_c_y],[s_c_z],esi
movzx bx,byte[edi+3]
mov [p_node],edi
add edi,4
cmp eax,0
je .end_1
mov ecx,eax
cld
@@: ;横« ¤«ï ¯à®¯ã᪠ ¯à¥¤ë¤ãé¨å ¯®¤¤¥à¥¢ì¥¢ ¢ 㧫¥
bt bx,0 ;¯à®¢¥à塞 ¥áâì «¨ ¤®ç¥à­¨¥ 㧫ë
jnc .end_0
xor eax,eax
stdcall vox_obj_rec0 ;¢ eax ¢ëç¨á«ï¥âáï ç¨á«® ¤®ç¥à­¨å 㧫®¢, ¢ ¤ ­­®© ¢¥â¢¨
.end_0:
shr bx,1
loop @b
.end_1:
bt bx,0
jnc .end_2 ;¥á«¨ ¯®¤¤¥à¥¢  ­¥ áãé¥áâ¢ã¥â
dec esi
cmp esi,0
jg .found
; *** (2) ***
;à¨á®¢ ­¨¥ ç á⨠®¡ê¥ªâ 
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
mov esi,[coord_z]
stdcall vox_go_in_node, [buf_i], [buf_z], [h_br], [v_obj]
.end_2:
popad
ret
endp
;input:
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; ebx - coord_x
; edx - coord_y
; esi - coord_z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
align 4
proc vox_go_in_node, buf_i:dword, buf_z:dword, h_br:dword, v_obj:dword
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push eax edx
;¯à®à¨á®¢ª  à ¬ª¨ ¥á«¨ à §¬¥à 㧫  = 1
cmp ecx,0
jne .end_2
push eax
stdcall vox_get_sub_brush,[h_br],0 ;®¯à¥¤¥«ï¥¬ ª¨áâì ¤«ï à¨á®¢ ­¨ï
cmp eax,0 ;¥á«¨ ª¨áâì ­¥ ­ ©¤¥­ 
je @f
stdcall draw_vox, [buf_i], [buf_z], eax, ebx,edx,esi, [edi]
@@:
pop eax
.end_2:
;¢å®¤ ¢­ãâàì 㧫 
dec ecx
;---
push ebx
;mov eax,(h-h_osn/2)
mov ebx,[h_br]
movzx eax,byte[ebx+1]
cmp byte[ebx+2],0
je @f
;¥á«¨ ª¨áâì á 3-¬ï £à ­ï¬¨
movzx ebx,byte[ebx+2]
shr ebx,1
sub eax,ebx
jmp .end_0
@@:
;¥á«¨ ª¨áâì á 2-¬ï £à ­ï¬¨
movzx ebx,byte[ebx]
shr ebx,1
.end_0:
cmp ecx,1
jl @f
shl eax,cl
shl ebx,cl
@@:
add esi,ebx
pop ebx
add edx,eax ;ª®à¥ªâ¨à®¢ª  ¢ëá®âë ¯®¤ ¢®ªá¥«ì ­¨¦­¥£® ã஢­ï
;---
mov ah,byte[edi+3]
add edi,4
mov al,8
.cycle:
bt ax,8 ;â¥áâ¨à㥬 ⮫쪮 ah
jnc .c_next
push ebx edx esi
stdcall vox_corect_coords, [h_br], [v_obj]
stdcall vox_go_in_node, [buf_i], [buf_z], [h_br], [v_obj]
pop esi edx ebx
.c_next:
shr ah,1
dec al
jnz .cycle
;¢ë室 ¨§ 㧫 
inc ecx
pop edx eax
jmp .end_f
.sub_trees:
;à¨á㥬 㧥«
push eax
stdcall vox_get_sub_brush,[h_br],ecx ;®¯à¥¤¥«ï¥¬ ª¨áâì ¤«ï à¨á®¢ ­¨ï
cmp eax,0 ;¥á«¨ ª¨áâì ­¥ ­ ©¤¥­ 
je @f
stdcall draw_vox, [buf_i], [buf_z], eax, ebx,edx,esi, [edi]
@@:
pop eax
add edi,4
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ®¤¨­®ç­ë© ¢®ªá¥«
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; buf_v - ¡ãä¥à á ¨§®¡à ¦¥­¨¥¬ ¢®ªá¥«ï (32 ¡¨â )
; v_color - 梥â
align 4
proc draw_vox, buf_i:dword, buf_z:dword, buf_v:dword,\
coord_x:dword, coord_y:dword, coord_z:dword, v_color:dword
pushad
mov eax,[coord_x]
mov ebx,[coord_y]
mov edi,[buf_v]
mov ecx,buf2d_h
mov esi,buf2d_w
imul ecx,esi
add esi,eax
mov edx,buf2d_data
cld
;ecx - count pixels in voxel
;edx - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢ ¢®ªá¥«ì­®¬ ¡ãä¥à¥
;edi - 㪠§ â¥«ì ­  ¢®ªá¥«ì­ë© ¡ãä¥à
;esi - width voxel buffer add coord x
.cycle:
cmp dword[edx],0
je @f
;¯à®¢¥à塞 ¡ãä¥à £«ã¡¨­ë
push eax
stdcall buf_get_pixel, [buf_z],eax,ebx
sub eax,[coord_z]
cmp eax,[edx]
jl .dr_pixel
pop eax
jmp @f
.dr_pixel:
;à¨á㥬 â®çªã
pop eax
stdcall buf_set_pixel, [buf_i],eax,ebx,[v_color]
push ecx
mov ecx,[coord_z]
add ecx,[edx]
stdcall buf_set_pixel, [buf_z],eax,ebx,ecx
pop ecx
@@:
add edx,4
inc eax
cmp eax,esi
jl @f
inc ebx
sub eax,buf2d_w
@@:
loop .cycle
popad
ret
endp
;description:
;äã­ªæ¨ï ¤«ï ª®à¥ªâ¨à®¢ª¨ ª®®à¤¨­ â
;­ ¯à ¢«¥­¨ï ®á¥© ª®®à¤¨­ â ¢ ¢®ªá¥«¥:
;*z
;|
;+
; * y
; /
;+
; \
; * x
;input:
; al - ­®¬¥à 㧫  ¢ ¤¥à¥¢¥ (®â 1 ¤® 8)
; ebx - ª®®à¤¨­ â  x
; edx - ª®®à¤¨­ â  y
; esi - ª®®à¤¨­ â  z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
;output:
; ebx - ­®¢ ï ª®®à¤¨­ â  x
; edx - ­®¢ ï ª®®à¤¨­ â  y
; esi - ­®¢ ï ª®®à¤¨­ â  z
align 4
proc vox_corect_coords, h_br:dword, v_obj:dword
locals
osn_w_2 dd ? ;è¨à¨­  ®á­®¢ ­¨ï ¥¤¨­¨ç­®£® ¢®ªá¥«ï : 2
vox_h dd ? ;¢ëá®â  ¥¤¨­¨ç­®£® ¢®ªá¥«ï
endl
cmp ecx,0
jl .end_f ;¤«ï ã᪮७¨ï ®âà¨á®¢ª¨
push eax edi
and eax,15 ;¢ë¤¥«ï¥¬ ­®¬¥à 㧫  ¢ ¤¥à¥¢¥
mov edi,[v_obj]
add edi,vox_offs_tree_table
add edi,8
sub edi,eax
push ebx ecx
mov ebx,[h_br]
movzx ecx,byte[ebx]
shr ecx,1
mov dword[osn_w_2],ecx
movzx ecx,byte[ebx+2]
movzx ebx,byte[ebx+1]
sub ebx,ecx
mov dword[vox_h],ebx
shr ecx,1
mov eax,ecx ;eax - ¢ëá®â  ®á­®¢ ­¨ï ¥¤¨­¨ç­®£® ¢®ªá¥«ï : 2
pop ecx ebx
cmp ecx,1
jl @f ;¢® ¨§¡¥¦ ­¨¥ § æ¨ª«¨¢ ­¨ï
shl eax,cl
shl dword[osn_w_2],cl
shl dword[vox_h],cl
@@:
; add esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z (ª®¬¯¥­á æ¨ï ¤«ï ª®®à¤¨­ âë y)
bt word[edi],0 ;test voxel coord x
jnc @f
add ebx,[osn_w_2]
cmp eax,0
jne .end_0
add esi,[osn_w_2] ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
jmp @f
.end_0:
add edx,eax
add esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
@@:
bt word[edi],1 ;test voxel coord y
jnc @f
add ebx,[osn_w_2]
cmp eax,0
jne .end_1
sub esi,[osn_w_2] ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
jmp @f
.end_1:
sub edx,eax
sub esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
@@:
bt word[edi],2 ;test voxel coord z
jnc @f
sub edx,[vox_h]
@@:
pop edi eax
.end_f:
ret
endp
;¨§¢«¥ª ¥¬ ¨§ h_br 㪠§ â¥«ì ­  ¡ãä¥à á ¨§®¡à ¦¥­¨¥¬ ¢®ªá¥«ï, 㪠§ ­­®£® ¯®à浪  n
align 4
proc vox_get_sub_brush uses ebx ecx, h_br:dword, n:dword
xor eax,eax
mov ebx,[n]
cmp ebx,0
jl @f
mov ecx,[h_br]
cmp bl,byte[ecx+3]
jg @f
add ecx,4
imul ebx,BUF_STRUCT_SIZE
mov eax,ebx
add eax,ecx
@@:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï á१ ¢®ªá¥«ì­®£® ®¡ì¥ªâ 
;input:
; v_size - à §¬¥à ª¢ ¤à â  á ¢®ªá¥«¥¬
; k_scale - á⥯¥­ì ¤¥â «¨§ æ¨¨ ¨§®¡à ¦¥­¨ï
; n_plane - ­®¬¥à ¯«®áª®á⨠á¥ç­¨ï (¢ ¯à¥¤¥« å ®â 0 ¤® 2^k_scale - 1)
; b_color - 梥⠣࠭¨æë
align 4
proc buf_vox_obj_draw_pl, buf_i:dword, v_obj:dword, coord_x:dword,\
coord_y:dword, v_size:dword, k_scale:dword, n_plane:dword, b_color:dword
cmp [k_scale],0
jl .end_f
pushad
mov eax,[v_size]
mov ecx,[k_scale]
mov ebx,eax
cmp ecx,1
jl @f
shl ebx,cl
@@:
;ebx - ¯®«­ë© à §¬¥à ¨§®¡à ¦¥­¨ï
stdcall buf_rect_by_size, [buf_i], [coord_x],[coord_y],ebx,ebx, [b_color] ;à ¬ª  ­  à¨áã­®ª
mov edx,ebx
add ebx,[coord_y]
stdcall draw_polz_hor, [buf_i], [coord_x],ebx,edx,eax, [n_plane], [k_scale], [b_color] ;¯®«§ã­®ª, ¯®ª §ë¢ î騩 ­®¬¥à á¥ç¥­¨ï
;à¨á®¢ ­¨¥ â®ç¥ª ¤«ï á¥âª¨
push ecx
mov edi,1
cmp ecx,1
jl @f
shl edi,cl
@@:
dec edi
cmp edi,1
jl .end_0
mov ecx,edi
imul ecx,edi
mov ebx,[coord_x]
mov edx,[coord_y]
add edx,eax
xor esi,esi
cld
@@:
add ebx,eax
inc esi
stdcall buf_set_pixel, [buf_i], ebx,edx, [b_color]
cmp esi,edi
jl .end_1
;¯¥à¥å®¤ â®ç¥ª ­  ­®¢ãî áâபã
xor esi,esi
mov ebx,[coord_x]
add edx,eax
.end_1:
loop @b
.end_0:
pop ecx
;eax - à §¬¥à ®¤­®£® ª¢ ¤à â 
;edi - 㪠§ â¥«ì ­  à¨áã¥¬ë¥ ¤ ­­ë¥ ¨§ ®¡ê¥ªâ 
mov ebx,[coord_x]
mov edx,[coord_y]
mov edi,[v_obj]
add edi,vox_offs_data
xor esi,esi
push eax
mov eax,1
shl eax,cl
dec eax
sub eax,[n_plane]
stdcall draw_sub_vox_obj_pl, [buf_i],[v_obj],eax
popad
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï á१ ç á⨠¢®ªá¥«ì­®£® ®¡ì¥ªâ 
;input:
; s_c_x, s_c_y, s_c_z, s_k_scale - ¯ à ¬¥âàë ®¯à¥¤¥«ïî騥 ç áâì ¢®ªá¥«ì­®£® ®¡ê¥ªâ , ª®â®à ï ¡ã¤¥â à¨á®¢ âìáï
align 4
proc buf_vox_obj_draw_pl_scaled, buf_i:dword, v_obj:dword, coord_x:dword,\
coord_y:dword, v_size:dword, k_scale:dword, n_plane:dword, b_color:dword,\
s_c_x:dword, s_c_y:dword, s_c_z:dword, s_k_scale:dword
cmp [k_scale],0
jl .end_f
pushad
locals
p_node dd 0 ;த¨â¥«ì᪨© 㧥«
endl
mov eax,[v_size]
mov ecx,[k_scale]
mov ebx,eax
cmp ecx,1
jl @f
shl ebx,cl
@@:
;ebx - ¯®«­ë© à §¬¥à ¨§®¡à ¦¥­¨ï
stdcall buf_rect_by_size, [buf_i], [coord_x],[coord_y],ebx,ebx, [b_color] ;à ¬ª  ­  à¨áã­®ª
mov edx,ebx
add ebx,[coord_y]
stdcall draw_polz_hor, [buf_i], [coord_x],ebx,edx,eax, [n_plane], [k_scale], [b_color] ;¯®«§ã­®ª, ¯®ª §ë¢ î騩 ­®¬¥à á¥ç¥­¨ï
;à¨á®¢ ­¨¥ â®ç¥ª ¤«ï á¥âª¨
push ecx
mov edi,1
cmp ecx,1
jl @f
shl edi,cl
@@:
dec edi
cmp edi,1
jl .end_3
mov ecx,edi
imul ecx,edi
mov ebx,[coord_x]
mov edx,[coord_y]
add edx,eax
xor esi,esi
cld
@@:
add ebx,eax
inc esi
stdcall buf_set_pixel, [buf_i], ebx,edx, [b_color]
cmp esi,edi
jl .end_4
;¯¥à¥å®¤ â®ç¥ª ­  ­®¢ãî áâபã
xor esi,esi
mov ebx,[coord_x]
add edx,eax
.end_4:
loop @b
.end_3:
pop ecx
mov esi,[s_k_scale]
cmp esi,1
jl .end_2
mov edi,[v_obj]
add edi,vox_offs_data
; *** (1) ***
.found:
stdcall vox_obj_get_node_position, [v_obj],[s_c_x],[s_c_y],[s_c_z],esi
movzx bx,byte[edi+3]
mov [p_node],edi
add edi,4
cmp eax,0
je .end_1
mov ecx,eax
cld
@@: ;横« ¤«ï ¯à®¯ã᪠ ¯à¥¤ë¤ãé¨å ¯®¤¤¥à¥¢ì¥¢ ¢ 㧫¥
bt bx,0 ;¯à®¢¥à塞 ¥áâì «¨ ¤®ç¥à­¨¥ 㧫ë
jnc .end_0
xor eax,eax
stdcall vox_obj_rec0 ;¢ eax ¢ëç¨á«ï¥âáï ç¨á«® ¤®ç¥à­¨å 㧫®¢, ¢ ¤ ­­®© ¢¥â¢¨
.end_0:
shr bx,1
loop @b
.end_1:
bt bx,0
jnc .end_2 ;¥á«¨ ¯®¤¤¥à¥¢  ­¥ áãé¥áâ¢ã¥â
dec esi
cmp esi,0
jg .found
mov eax,[v_size]
;eax - à §¬¥à ®¤­®£® ª¢ ¤à â 
;edi - 㪠§ â¥«ì ­  à¨áã¥¬ë¥ ¤ ­­ë¥ ¨§ ®¡ê¥ªâ 
mov ecx,[k_scale]
mov ebx,[coord_x]
mov edx,[coord_y]
xor esi,esi
push eax
mov eax,1
shl eax,cl
dec eax
sub eax,[n_plane]
stdcall draw_sub_vox_obj_pl, [buf_i],[v_obj], eax
.end_2:
popad
.end_f:
ret
endp
;description:
; ®¯à¥¤¥«¥­¨¥ ¯®§¨æ¨¨ 㧫  ¢ ¤¥à¥¢¥ (®â 0 ¤® 7)
align 4
proc vox_obj_get_node_position uses ebx ecx edi, v_obj:dword,\
coord_x:dword,coord_y:dword,coord_z:dword,k_scale:dword
mov ecx,[k_scale]
dec ecx
mov eax,[coord_x]
mov ebx,[coord_y]
mov edi,[coord_z]
cmp ecx,1
jl .end_0
shr eax,cl
shr ebx,cl
shr edi,cl
.end_0:
and eax,1
bt ebx,0
jnc @f
bts eax,1
@@:
bt edi,0
jnc @f
bts eax,2
@@:
mov edi,[v_obj]
add edi,vox_offs_tree_table
@@:
cmp al,byte[edi]
je @f
inc edi
jmp @b
@@:
sub edi,[v_obj]
sub edi,vox_offs_tree_table
mov eax,edi
ret
endp
;input:
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
;output:
; eax - eax + ç¨á«® 㧫®¢ ¢ ¤ ­­ëå ¢®ªá. ®¡ê¥ªâ 
; edi - 㪠§ â¥«ì ­  ᬥ饭­ë¥ ¤ ­­ë¥ ¢®ªá. ®¡ê¥ªâ 
align 4
proc vox_obj_rec0
inc eax
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push ebx ecx
mov bh,byte[edi+3]
add edi,4
mov bl,8
.cycle:
bt bx,8 ;â¥áâ¨à㥬 ⮫쪮 bh
jnc .c_next
stdcall vox_obj_rec0
.c_next:
shr bh,1
dec bl
jnz .cycle
pop ecx ebx
jmp .end_f
.sub_trees:
add edi,4
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï £®à¨§®­â «ì­ãî ¯®«®áã á ¯®«§ã­ª®¬
align 4
proc draw_polz_hor uses eax ebx ecx, buf:dword, coord_x:dword, coord_y:dword,\
size_x:dword, size_y:dword, pos:dword, k_scale:dword, color:dword
mov ebx,[size_x]
stdcall buf_rect_by_size, [buf], [coord_x],[coord_y],ebx,[size_y], [color]
mov ecx,[k_scale]
shr ebx,cl
mov eax,[pos]
imul eax,ebx
add eax,[coord_x]
stdcall buf_filled_rect_by_size, [buf], eax,[coord_y],ebx,[size_y], [color]
ret
endp
;input:
; ebx - coord_x
; edx - coord_y
; esi - coord_z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; edi - 㪠§ â¥«ì ­  ¤ ­­ë¥ ¢®ªá¥«ì­®£® ®¡ê¥ªâ 
align 4
proc draw_sub_vox_obj_pl, buf_i:dword, v_obj:dword, clip_z:dword,\
v_size:dword
cmp byte[edi+3],0 ;ᬮâਬ ¥áâì «¨ ¯®¤¤¥à¥¢ìï
je .sub_trees
;¯à®à¨á®¢ª  à ¬ª¨ ¥á«¨ à §¬¥à 㧫  = 1
cmp ecx,0
jne @f
;¯à®¢¥àª  £«ã¡¨­ë esi
;clip_z=n_plane
stdcall vox_is_clip, [clip_z];,[v_size]
cmp eax,0
je @f
push ecx
mov ecx,dword[edi]
and ecx,0xffffff
stdcall buf_rect_by_size, [buf_i], ebx,edx, [v_size],[v_size],ecx
pop ecx
@@:
;४ãàᨢ­ë© ¯¥à¥¡®à ¯®¤¤¥à¥¢ì¥¢
push edx
;¢å®¤ ¢­ãâàì 㧫 
dec ecx
mov eax,[v_size]
cmp ecx,1
jl @f
shl eax,cl
@@:
add edx,eax ;ª®à¥ªâ¨à®¢ª  ¢ëá®âë ¯®¤ ¢®ªá¥«ì ­¨¦­¥£® ã஢­ï
mov ah,byte[edi+3]
add edi,4
mov al,8
.cycle:
bt ax,8 ;â¥áâ¨à㥬 ⮫쪮 ah
jnc .c_next
push eax ebx edx esi
stdcall vox_corect_coords_pl, [v_obj],[v_size]
stdcall draw_sub_vox_obj_pl, [buf_i],[v_obj],[clip_z],[v_size]
pop esi edx ebx eax
.c_next:
shr ah,1
dec al
jnz .cycle
;¢ë室 ¨§ 㧫 
inc ecx
pop edx
jmp .end_f
.sub_trees:
cmp ecx,0
jl .end_0 ;­¥ à¨á㥬 ®ç¥­ì ¬ «¥­ìª¨¥ ¢®ªá¥«¨
;¯à®¢¥àª  £«ã¡¨­ë esi
;clip_z=n_plane
stdcall vox_is_clip, [clip_z]
cmp eax,0
je .end_0
;à¨á㥬 㧥«
mov eax,[edi]
and eax,0xffffff
push eax ;梥â 㧫 
mov eax,[v_size]
cmp ecx,1
jl @f
;ª¢ ¤à â ¡®«ìè¥ â¥ªã饣® ¬ áèâ ¡ 
shl eax,cl ;à §¬¥à 㧫 
stdcall buf_filled_rect_by_size, [buf_i], ebx,edx, eax,eax
push ebx edx esi
mov esi,eax
inc ebx
inc edx
sub esi,2
mov eax,[buf_i]
push dword 128
push dword[eax+16] ;+16 - b_color
stdcall combine_colors_3,[edi]
stdcall buf_rect_by_size, [buf_i], ebx,edx, esi,esi,eax
pop esi edx ebx
jmp .end_0
@@:
;ª¢ ¤à â ⥪ã饣® ¬ áèâ ¡ 
stdcall buf_filled_rect_by_size, [buf_i], ebx,edx, eax,eax
.end_0:
add edi,4
.end_f:
ret
endp
;description:
; ¢á¯®¬®£ â¥«ì­ ï äã­ªæ¨ï ¤«ï ¯à®¢¥àª¨ £«ã¡¨­ë esi
;input:
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
; esi - coord z
; clip_z - n_plane
;output:
; eax - 0 if no draw, 1 if draw
align 4
proc vox_is_clip uses ebx edi, clip_z:dword
xor eax,eax
mov ebx,[clip_z]
mov edi,1
cmp ecx,1
jl @f
shl edi,cl
@@:
;edi = 2^ecx
add edi,esi
cmp edi,ebx ;if (esi+2^ecx <= n_plane) no draw
jle @f
inc ebx
cmp esi,ebx ;if (esi >= (n_plane+1)) no draw
jge @f
inc eax
@@:
ret
endp
;äã­ªæ¨ï ¤«ï ª®à¥ªâ¨à®¢ª¨ ª®®à¤¨­ â
;­ ¯à ¢«¥­¨ï ®á¥© ª®®à¤¨­ â ¢ ¢®ªá¥«¥:
;*z
;|
;+-* x
;input:
; al - ­®¬¥à 㧫  ¢ ¤¥à¥¢¥ (®â 1 ¤® 8)
; ebx - ª®®à¤¨­ â  x
; edx - ª®®à¤¨­ â  y
; esi - ª®®à¤¨­ â  z
; ecx - ã஢¥­ì ⥪ã襣® 㧫 
;output:
; ebx - ­®¢ ï ª®®à¤¨­ â  x
; edx - ­®¢ ï ª®®à¤¨­ â  y
; esi - ­®¢ ï ª®®à¤¨­ â  z
align 4
proc vox_corect_coords_pl, v_obj:dword, v_size:dword
cmp ecx,0
jl .end_f ;¤«ï ã᪮७¨ï ®âà¨á®¢ª¨
push eax edi
and eax,15 ;¢ë¤¥«ï¥¬ ­®¬¥à 㧫  ¢ ¤¥à¥¢¥
mov edi,[v_obj]
add edi,vox_offs_tree_table
add edi,8
sub edi,eax
mov eax,[v_size]
cmp ecx,1
jl @f
shl eax,cl
@@:
bt word[edi],0 ;test voxel coord x
jnc @f
add ebx,eax
@@:
bt word[edi],2 ;test voxel coord z
jnc @f
sub edx,eax
@@:
bt word[edi],1 ;test voxel coord y
jc @f
mov eax,1
cmp ecx,1
jl .end_0
shl eax,cl
.end_0:
add esi,eax ;¬¥­ï¥¬ £«ã¡¨­ã ¤«ï ¡ãä¥à  z
@@:
pop edi eax
.end_f:
ret
endp
;description:
; äã­ªæ¨ï à¨áãîé ï ⥭¨
;input:
; buf_i - ¡ãä¥à ¢ ª®â®à®¬ à¨áã¥âáï (24 ¡¨â )
; buf_z - ¡ãä¥à £«ã¡¨­ë (32 ¡¨â  ¯® ç¨á«ã ¯¨ªá¥«¥© ¤®«¦¥­ ᮢ¯ ¤ âì á buf_i)
; h_br - ª¨áâì á ¨§®¡à ¦¥­¨ï¬¨ ¢®ªá¥«¥© (32 ¡¨â )
; k_scale - ª®íä. ¤«ï ¬ áèâ ¡¨à®¢ ­¨ï ¨§®¡à ¦¥­¨ï
align 4
proc buf_vox_obj_draw_3g_shadows, buf_i:dword, buf_z:dword, h_br:dword, \
coord_x:dword, coord_y:dword, color:dword, k_scale:dword, prop:dword
locals
correct_z dd 0 ;ª®à¥ªâ¨à®¢ª  ¤«ï ¡ãä¥à  £«ã¡¨­ë
endl
pushad
mov eax,[k_scale]
add eax,[prop]
mov dword[correct_z],8
sub [correct_z],eax
mov ebx,[coord_x]
;correct_z = 8-k_scale-prop
stdcall buf_vox_obj_get_img_w_3g, [h_br],[k_scale]
mov edx,eax ;edx - è¨à¨­  ¨§®¡à ¦¥­¨ï
stdcall buf_vox_obj_get_img_h_3g, [h_br],[k_scale]
mov esi,eax
mov edi,[coord_y]
mov ecx,edx
add edx,ebx ;è¨à¨­  + ®âáâ㯠᫥¢ 
imul ecx,esi
cld
.cycle_0:
stdcall buf_get_pixel, [buf_z],ebx,edi
cmp eax,0
je @f
stdcall vox_correct_z, [correct_z]
push eax
stdcall buf_get_pixel, [buf_i],ebx,edi
stdcall combine_colors_3,eax,[color] ;,eax
stdcall buf_set_pixel, [buf_i],ebx,edi,eax
@@:
inc ebx
cmp ebx,edx
jl @f
mov ebx,[coord_x]
inc edi
@@:
loop .cycle_0
popad
ret
endp
;output:
; eax - scaled coord z
align 4
proc vox_correct_z uses ecx, correct_z:dword
mov ecx,[correct_z]
cmp ecx,0
je .end_f
jl .end_0
shl eax,cl
jmp .end_f
.end_0:
neg ecx
inc ecx
shr eax,cl
.end_f:
ret
endp
;output:
; eax - color
align 4
proc combine_colors_3 uses ebx ecx edx edi esi, col_0:dword, col_1:dword, alpha:dword
mov ebx,[col_0]
mov ecx,[col_1]
movzx di,byte[alpha] ;pro
mov si,0x00ff ;---get transparent---
sub si,di ;256-pro
;---blye---
movzx ax,bl
imul ax,si
movzx dx,cl
imul dx,di
add ax,dx
mov cl,ah
;---green---
movzx ax,bh
imul ax,si
movzx dx,ch
imul dx,di
add ax,dx
mov ch,ah
shr ebx,16
ror ecx,16
;---red---
movzx ax,bl
imul ax,si
movzx dx,cl
imul dx,di
add ax,dx
shl eax,8
ror ecx,16
mov ax,cx
and eax,0xffffff
ret
endp
txt_err_n8b db 'need buffer 8 bit',13,10,0
txt_err_n24b db 'need buffer 24 bit',13,10,0
txt_err_n32b db 'need buffer 32 bit',13,10,0
txt_err_n8_24b db 'need buffer 8 or 24 bit',13,10,0
align 16
EXPORTS:
dd sz_lib_init, lib_init
dd sz_buf2d_create, buf_create
dd sz_buf2d_create_f_img, buf_create_f_img
dd sz_buf2d_clear, buf_clear
dd sz_buf2d_draw, buf_draw_buf
dd sz_buf2d_delete, buf_delete
dd sz_buf2d_resize, buf_resize
dd sz_buf2d_rotate, buf_rotate
dd sz_buf2d_line, buf_line_brs
dd sz_buf2d_line_sm, buf_line_brs_sm
dd sz_buf2d_rect_by_size, buf_rect_by_size
dd sz_buf2d_filled_rect_by_size, buf_filled_rect_by_size
dd sz_buf2d_circle, buf_circle
dd sz_buf2d_img_hdiv2, buf_img_hdiv2
dd sz_buf2d_img_wdiv2, buf_img_wdiv2
dd sz_buf2d_conv_24_to_8, buf_conv_24_to_8
dd sz_buf2d_conv_24_to_32, buf_conv_24_to_32
dd sz_buf2d_bit_blt, buf_bit_blt
dd sz_buf2d_bit_blt_transp, buf_bit_blt_transp
dd sz_buf2d_bit_blt_alpha, buf_bit_blt_alpha
dd sz_buf2d_curve_bezier, buf_curve_bezier
dd sz_buf2d_convert_text_matrix, buf_convert_text_matrix
dd sz_buf2d_draw_text, buf_draw_text
dd sz_buf2d_crop_color, buf_crop_color
dd sz_buf2d_offset_h, buf_offset_h
dd sz_buf2d_flood_fill, buf_flood_fill
dd sz_buf2d_set_pixel, buf_set_pixel
dd sz_buf2d_get_pixel, buf_get_pixel
dd sz_buf2d_flip_v, buf_flip_v
dd sz_buf2d_filter_dither, buf_filter_dither
dd sz_buf2d_vox_brush_create, vox_brush_create
dd sz_buf2d_vox_brush_delete, vox_brush_delete
dd sz_buf2d_vox_obj_get_img_w_3g, buf_vox_obj_get_img_w_3g
dd sz_buf2d_vox_obj_get_img_h_3g, buf_vox_obj_get_img_h_3g
dd sz_buf2d_vox_obj_draw_1g, buf_vox_obj_draw_1g
dd sz_buf2d_vox_obj_draw_3g, buf_vox_obj_draw_3g
dd sz_buf2d_vox_obj_draw_3g_scaled, buf_vox_obj_draw_3g_scaled
dd sz_buf2d_vox_obj_draw_pl, buf_vox_obj_draw_pl
dd sz_buf2d_vox_obj_draw_pl_scaled, buf_vox_obj_draw_pl_scaled
dd sz_buf2d_vox_obj_draw_3g_shadows, buf_vox_obj_draw_3g_shadows
dd 0,0
sz_lib_init db 'lib_init',0
sz_buf2d_create db 'buf2d_create',0
sz_buf2d_create_f_img db 'buf2d_create_f_img',0
sz_buf2d_clear db 'buf2d_clear',0 ;®ç¨á⪠ ¡ãä¥à  㪠§ ­­ë¬ 梥⮬
sz_buf2d_draw db 'buf2d_draw',0
sz_buf2d_delete db 'buf2d_delete',0
sz_buf2d_resize db 'buf2d_resize',0
sz_buf2d_rotate db 'buf2d_rotate',0
sz_buf2d_line db 'buf2d_line',0 ;à¨á®¢ ­¨¥ «¨­¨¨
sz_buf2d_line_sm db 'buf2d_line_sm',0 ;à¨á®¢ ­¨¥ ᣫ ¦¥­­®© «¨­¨¨
sz_buf2d_rect_by_size db 'buf2d_rect_by_size',0 ;à¨á®¢ ­¨¥ à ¬ª¨ ¯àאַ㣮«ì­¨ª , 2-ï ª®®à¤¨­ â  § ¤ ­  ¯® à §¬¥àã
sz_buf2d_filled_rect_by_size db 'buf2d_filled_rect_by_size',0 ;à¨á®¢ ­¨¥ § «¨â®£® ¯àאַ㣮«ì­¨ª , 2-ï ª®®à¤¨­ â  § ¤ ­  ¯® à §¬¥àã
sz_buf2d_circle db 'buf2d_circle',0 ;à¨á®¢ ­¨¥ ®ªà㦭®áâ¨
sz_buf2d_img_hdiv2 db 'buf2d_img_hdiv2',0 ;ᦠ⨥ ¨§®¡à ¦¥­¨ï ¯® ¢ëá®â¥ ¢ 2 à §  (à §¬¥à ¡ãä¥à  ­¥ ¬¥­ï¥âáï)
sz_buf2d_img_wdiv2 db 'buf2d_img_wdiv2',0 ;ᦠ⨥ ¨§®¡à ¦¥­¨ï ¯® è¨à¨­¥ ¢ 2 à §  (à §¬¥à ¡ãä¥à  ­¥ ¬¥­ï¥âáï)
sz_buf2d_conv_24_to_8 db 'buf2d_conv_24_to_8',0
sz_buf2d_conv_24_to_32 db 'buf2d_conv_24_to_32',0
sz_buf2d_bit_blt db 'buf2d_bit_blt',0
sz_buf2d_bit_blt_transp db 'buf2d_bit_blt_transp',0
sz_buf2d_bit_blt_alpha db 'buf2d_bit_blt_alpha',0
sz_buf2d_curve_bezier db 'buf2d_curve_bezier',0
sz_buf2d_convert_text_matrix db 'buf2d_convert_text_matrix',0
sz_buf2d_draw_text db 'buf2d_draw_text',0
sz_buf2d_crop_color db 'buf2d_crop_color',0
sz_buf2d_offset_h db 'buf2d_offset_h',0
sz_buf2d_flood_fill db 'buf2d_flood_fill',0
sz_buf2d_set_pixel db 'buf2d_set_pixel',0
sz_buf2d_get_pixel db 'buf2d_get_pixel',0
sz_buf2d_flip_v db 'buf2d_flip_v',0
sz_buf2d_filter_dither db 'buf2d_filter_dither',0
sz_buf2d_vox_brush_create db 'buf2d_vox_brush_create',0
sz_buf2d_vox_brush_delete db 'buf2d_vox_brush_delete',0
sz_buf2d_vox_obj_get_img_w_3g db 'buf2d_vox_obj_get_img_w_3g',0
sz_buf2d_vox_obj_get_img_h_3g db 'buf2d_vox_obj_get_img_h_3g',0
sz_buf2d_vox_obj_draw_1g db 'buf2d_vox_obj_draw_1g',0
sz_buf2d_vox_obj_draw_3g db 'buf2d_vox_obj_draw_3g',0
sz_buf2d_vox_obj_draw_3g_scaled db 'buf2d_vox_obj_draw_3g_scaled',0
sz_buf2d_vox_obj_draw_pl db 'buf2d_vox_obj_draw_pl',0
sz_buf2d_vox_obj_draw_pl_scaled db 'buf2d_vox_obj_draw_pl_scaled',0
sz_buf2d_vox_obj_draw_3g_shadows db 'buf2d_vox_obj_draw_3g_shadows',0
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