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 äãªæ¨¨ ®¡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 ᨧã
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
;input:
; eax = 㪠§ ⥫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
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
pop esi
@@:
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 ;§ ¯ ᮩ ¡ ©â ¢ ª®æ¥ ¡ãä¥à , çâ®-¡ë ¥ £«î稫¨ ¥ª®â®àë¥ äãªæ¨¨ ¨§®¡à ¦¥¨ïå ªà âëå 4
@@:
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 ;§ ¯ ᮩ ¡ ©â ¢ ª®æ¥ ¡ãä¥à , çâ®-¡ë ¥ £«î稫¨ ¥ª®â®àë¥ äãªæ¨¨ ¨§®¡à ¦¥¨ïå ªà âëå 4
@@:
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¬ æ¢¥â®¬
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®¬¡¨ 樥© ª®áâ â:
; BUF2D_OPT_CROP_TOP - ®¡à¥§ª ᢥàåã
; BUF2D_OPT_CROP_LEFT - ®¡à¥§ª á«¥¢
; BUF2D_OPT_CROP_BOTTOM - ®¡à¥§ª ᨧã
; 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
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
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
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 ;¯àë£ ¥¬ ¢¥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 ;¯àë£ ¥¬ ¨¦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
lea ebx,[ebx+ebx*2]
mov esi,buf2d_data ;esi - 㪠§ ⥫ì 箫® ¡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 ;¯àë£ ¥¬ ¨¦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 ;¯àë£ ¥¬ ¢¥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
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
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
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 ;¯àë£ ¥¬ ¢¥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 ;¯àë£ ¥¬ ¨¦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
mov esi,buf2d_data ;esi - 㪠§ ⥫ì 箫® ¡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 ;¯àë£ ¥¬ ¨¦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 ;¯àë£ ¥¬ ¢¥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 - ¯®«ãç ¥â ¤ 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 - ¯®«ãç ¥â ¤ 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⨪¨)
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⨪¨)
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 edi
mov edi,dword[buf_struc]
invoke mem.free,buf2d_data
pop edi
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 edx,dword[color]
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]
bt ebx,31
jae @f
neg ebx
inc ebx
@@:
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 ???
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
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,24
jne .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_n24b
.exit_fun:
popad
ret
endp
align 4
proc buf_img_wdiv2, buf_struc:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .end_draw_24
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_rgb24_wdiv2, buf2d_data,ecx
.end_draw_24:
popad
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
;push eax ebx ecx edx
mov eax,dword[data_rgb]
mov ecx,dword[size] ;ecx = size
lea ecx,[ecx+ecx*2]
cld
@@: ;§ ⥬¥¨¥ 梥⠯¨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
@@: ;¯®¤¦ ⨥ ¯¨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
;pop edx ecx ebx eax
ret
endp
align 4
proc buf_img_hdiv2, buf_struc:dword
pushad
mov edi,dword[buf_struc]
cmp buf2d_bits,24
jne .end_draw_24
mov eax,buf2d_w
mov ecx,buf2d_h
imul ecx,eax
stdcall img_rgb24_hdiv2, buf2d_data,ecx,eax
.end_draw_24:
popad
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
;pushad
mov eax,dword[data_rgb] ;eax =
mov ecx,dword[size] ;ecx = size
lea ecx,[ecx+ecx*2]
cld
@@: ;§ ⥬¥¨¥ 梥⠯¨ªá¥«¥©
shr byte[eax],1
inc eax
loop @b
mov eax,dword[data_rgb] ;eax =
mov edi,dword[size_w]
lea esi,[edi+edi*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,esi
add ebx,eax
mov ecx,dword[size] ;ecx = size
shr ecx,1
sub ecx,dword[size_w] ;«¨èïï áâப ¯¨ªá¥«¥©
xor edi,edi
@@: ;¯®¤¦ ⨥ ¯¨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
;popad
ret
endp
;¯à¥®¡à §®¢ ¨¥ ¡ãä¥à ¨§ 24-¡¨â®£® ¢ 8-¡¨âë©
; spectr - ®¯à¥¤¥«ï¥â ª ª®© ᯥªâà ¡à âì ¯à¨ ¯à¥®¡à §®¢ ¨¨ 0-ᨨ©, 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§ ⥫¨ 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¨âë¢ ¥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¥ 32 ¡¨â ï ª à⨪
mov eax,buf2d_w
mov edx,buf2d_h ;¢ëá®â ª®¯¨à㥬®© ª à⨪¨
mov esi,buf2d_data ;¤ ë¥ ª®¯¨à㥬®© ª à⨪¨
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,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⨪¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨪¨, ¢ 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]
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 稢 ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨ï¥¬ áâப㠤«ï ᤢ¨£ £« ¢®© ª à⨪¨ ¡ãä¥à
lea ecx,[ecx+ecx*2] ;ecx - ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª à⨪¨, 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⨪¨
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à ¬¨ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨪¨
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⨪ ¢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⨪
mov eax,buf2d_w
mov edx,buf2d_h ;¢ëá®â ª®¯¨à㥬®© ª à⨪¨
mov esi,buf2d_data ;¤ ë¥ ª®¯¨à㥬®© ª à⨪¨
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,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⨪¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨪¨, ¢ 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]
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 稢 ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨ï¥¬ áâப㠤«ï ᤢ¨£ £« ¢®© ª à⨪¨ ¡ãä¥à
shl ecx,2 ;ecx - ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª à⨪¨, 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⨪¨
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à ¬¨ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨪¨
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⨪ ¢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:
push ax bx cx dx
mov bx,0x00ff ;---get transparent---
mov cl,byte[esi+3] ;pro
xor ch,ch
sub bx,cx ;256-pro
;---red---
xor ah,ah
mov al,byte[esi+2]
imul ax,bx
xor dh,dh
mov dl,byte[edi+2]
imul dx,cx
add ax,dx
mov byte[edi+2],ah
;---green---
xor ah,ah
mov al,byte[esi+1]
imul ax,bx
xor dh,dh
mov dl,byte[edi+1]
imul dx,cx
add ax,dx
mov byte[edi+1],ah
;---blye---
xor ah,ah
mov al,byte[esi]
imul ax,bx
xor dh,dh
mov dl,byte[edi]
imul dx,cx
add ax,dx
mov byte[edi],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¨âë¢ ¥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
right_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⨪¨
mov esi,buf2d_data ;¤ ë¥ ª®¯¨à㥬®© ª à⨪¨
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,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⨪¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨪¨, ¢ 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]
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 稢 ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨ï¥¬ áâப㠤«ï ᤢ¨£ £« ¢®© ª à⨪¨ ¡ãä¥à
shl ecx,2 ;ecx - ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª à⨪¨, 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⨪¨
cld
cmp [right_bytes],0
jg .copy_1
.copy_0: ;¯à®á⮥ ª®¯¨à®¢ ¨¥
mov ecx,eax
@@:
call combine_colors
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⨪ ¢ë« §¨â § ¯à ¢ãî áâ®à®ã)
mov ecx,eax
@@:
call combine_colors
add edi,3
add esi,4
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_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---
mov al,bl
xor ah,ah
shr ebx,8
imul ax,si
xor dh,dh
mov dl,byte[edi+2]
imul dx,cx
add ax,dx
mov byte[edi+2],ah
;---green---
mov al,bl
xor ah,ah
shr ebx,8
imul ax,si
xor dh,dh
mov dl,byte[edi+1]
imul dx,cx
add ax,dx
mov byte[edi+1],ah
;---red---
mov al,bl
xor ah,ah
imul ax,si
xor dh,dh
mov dl,byte[edi]
imul dx,cx
add ax,dx
mov byte[edi],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
right_bytes dd ?
dest_w_bytes dd ? ;ª®««¨ç¥á⢮ ¡ ©â ¢ ¡ãä¥à¥ ¯à¨¥¬¨ª¥ ¯® è¨à¨¥ - è¨à¨ ¢áâ ¢«ï¥¬®© ª à⨪¨
endl
pushad
mov edi,[buf_source]
cmp buf2d_bits,8
jne .error1 ;ä®à¬ â ¡ãä¥à ¥ ¯®®¤¥à¦¨¢ ¥âáï
mov eax,buf2d_w
mov edx,buf2d_h ;¢ëá®â ª®¯¨à㥬®© ª à⨪¨
mov esi,buf2d_data ;¤ ë¥ ª®¯¨à㥬®© ª à⨪¨
mov edi,[buf_destination]
cmp buf2d_bits,24
jne .error2 ;ä®à¬ â ¡ãä¥à ¥ ¯®®¤¥à¦¨¢ ¥âáï
mov ebx,buf2d_h ;ebx - ¢ëá®â ®á®¢®£® ¡ãä¥à
mov ecx,[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⨪¨
cmp ecx,ebx
jle @f
sub ecx,ebx
sub edx,ecx ;㬥ìè ¥¬ ¢ëá®âã ª®¯¨à㥬®© ª à⨪¨, ¢ 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]
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 稢 ¥¬ ª®¯¨à㥬ãî áâபã
add ebx,ecx ;㤫¨ï¥¬ áâப㠤«ï ᤢ¨£ £« ¢®© ª à⨪¨ ¡ãä¥à
;ecx - ç¨á«® ¯¨ªá¥«¥© ¢ 1-© áâப¥ ª à⨪¨, 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⨪¨
mov [dest_w_bytes],ebx
mov ebx,[color]
cld
cmp [right_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⨪ ¢ë« §¨â § ¯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,[right_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 宦¤¥¨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 ;㬮¦ ¥¬ ¥£® ¢ëá®âã ᨬ¢®«
imul edx,ecx ;㬮¦ ¥¬ è¨à¨ã ᨬ¢®«
add edx,[buf_t_matr_offs] ;¯à¨¡ ¢«ï¥¬ ᬥ饨¥ 0-£® ᨬ¢®« , â. ¥. ¯®«ãç ¥âáï ᬥ饨¥ ¢ë¢®¤¨¬®£® ᨬ¢®«
mov buf2d_data,edx ;¢ «®ª «ìë© ¡ãä¥à ᨬ¢®« , áâ ¢¨¬ 㪠§ ⥫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_cruve_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 cruve 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
txt_err_n8b db 'need buffer 8 bit',13,10,0
txt_err_n24b db 'need buffer 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_line, buf_line_brs
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_cruve_bezier, buf_cruve_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 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¬ æ¢¥â®¬
sz_buf2d_draw db 'buf2d_draw',0
sz_buf2d_delete db 'buf2d_delete',0
sz_buf2d_line db 'buf2d_line',0 ;à¨á®¢ ¨¥ «¨¨¨
sz_buf2d_circle db 'buf2d_circle',0 ;à¨á®¢ ¨¥ ®ªà㦮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_cruve_bezier db 'buf2d_cruve_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