1. tiff (baseline) support
2. pnm (portable anymap) bilevel, grayscale (8bpp), pixmap (24bpp) support
3. xcf: optional layer merging/blending with sse (default is mmx)
4'. new formatting for my old code. more readable for now


git-svn-id: svn://kolibrios.org@2388 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Ivan Baravy 2012-02-23 22:09:09 +00:00
parent 997d83d275
commit 0808796ed5
17 changed files with 5596 additions and 2317 deletions

View File

@ -40,6 +40,8 @@ include 'z80/z80.asm'
include 'ico_cur/ico_cur.asm'
include 'pcx/pcx.asm'
include 'xcf/xcf.asm'
include 'tiff/tiff.asm'
include 'pnm/pnm.asm'
;;================================================================================================;;
proc lib_init ;///////////////////////////////////////////////////////////////////////////////////;;
@ -1999,6 +2001,8 @@ img._.formats_table:
.tga dd img.is.tga, img.decode.tga, img.encode.tga
.pcx dd img.is.pcx, img.decode.pcx, img.encode.pcx
.xcf dd img.is.xcf, img.decode.xcf, img.encode.xcf
.tiff dd img.is.tiff, img.decode.tiff, img.encode.tiff
.pnm dd img.is.pnm, img.decode.pnm, img.encode.pnm
.z80 dd img.is.z80, img.decode.z80, img.encode.z80 ;this must be the last entry as there are no
;signatures in z80 screens at all
dd 0

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@ -46,6 +46,7 @@ Image.bpp32 = 3
Image.bpp15 = 4
Image.bpp16 = 5
Image.bpp1 = 6
Image.bpp4 = 7
; bits in Image.Flags
Image.IsAnimated = 1

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@ -1,5 +1,5 @@
;;================================================================================================;;
;;//// pcx.asm //// (c) dunkaist, 2010 ///////////////////////////////////////////////////////////;;
;;//// pcx.asm //// (c) dunkaist, 2010,2012 //////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
@ -17,7 +17,7 @@
;; ;;
;;================================================================================================;;
include 'pcx.inc'
include 'pcx.inc'
;include '../../../../system/board/trunk/debug.inc'
;;================================================================================================;;
@ -31,37 +31,37 @@ proc img.is.pcx _data, _length ;////////////////////////////////////////////////
;< eax = false / true ;;
;;================================================================================================;;
push ecx edi
xor eax, eax
push ecx edi
xor eax, eax
mov edi, [_data]
mov edi, [_data]
cmp [edi+pcx_header.magic_number], 10
jne .is_not_pcx
cmp [edi+pcx_header.version], 5
jne .is_not_pcx
cmp [edi+pcx_header.encoding], 1
jne .is_not_pcx
cmp [edi+pcx_header.reserved], 0
jne .is_not_pcx
cmp [edi + pcx_header.magic_number], 10
jne .is_not_pcx
cmp [edi + pcx_header.version], 5
jne .is_not_pcx
cmp [edi + pcx_header.encoding], 1
jne .is_not_pcx
cmp [edi + pcx_header.reserved], 0
jne .is_not_pcx
add edi, pcx_header.filler
xor al, al
mov ecx, 58
cld
repe scasb
test ecx, ecx
jnz .is_not_pcx
add edi, pcx_header.filler
xor al, al
mov ecx, 58
cld
repe scasb
test ecx, ecx
jnz .is_not_pcx
.is_pcx:
inc eax
.is_not_pcx:
pop edi ecx
ret
.is_pcx:
inc eax
.is_not_pcx:
pop edi ecx
ret
endp
;;================================================================================================;;
proc img.decode.pcx _data, _length, _options ;////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
@ -73,220 +73,218 @@ proc img.decode.pcx _data, _length, _options ;//////////////////////////////////
;< eax = 0 (error) or pointer to image ;;
;;================================================================================================;;
locals
nplanes rd 1
xsize rw 1
ysize rw 1
bpl rw 1
total_bpl rd 1
line_begin rd 1
retvalue rd 1 ; 0 (error) or pointer to image
nplanes rd 1
xsize rw 1
ysize rw 1
bpl rw 1
total_bpl rd 1
line_begin rd 1
retvalue rd 1 ; 0 (error) or pointer to image
endl
pusha
pusha
mov esi, [_data]
movzx eax, byte[esi+pcx_header.nplanes]
mov [nplanes], eax
mov bx, word[esi+pcx_header.bpl]
mov [bpl], bx
mul bx
shl eax, 16
mov ax, dx
ror eax, 16
mov [total_bpl], eax
mov esi, [_data]
movzx eax, byte[esi + pcx_header.nplanes]
mov [nplanes], eax
mov bx, word[esi + pcx_header.bpl]
mov [bpl], bx
mul bx
shl eax, 16
mov ax, dx
ror eax, 16
mov [total_bpl], eax
movzx eax, word[esi+pcx_header.xmax]
inc ax
sub ax, word[esi+pcx_header.xmin]
mov [xsize], ax
movzx eax, word[esi + pcx_header.xmax]
inc ax
sub ax, word[esi + pcx_header.xmin]
mov [xsize], ax
movzx ebx, word[esi+pcx_header.ymax]
inc bx
sub bx, word[esi+pcx_header.ymin]
mov [ysize], bx
movzx ebx, word[esi + pcx_header.ymax]
inc bx
sub bx, word[esi + pcx_header.ymin]
mov [ysize], bx
cmp [esi+pcx_header.bpp], 1
jz .monochrome
cmp byte[esi+pcx_header.nplanes], 3
jnz .indexed
cmp [esi + pcx_header.bpp], 1
jz .monochrome
cmp byte[esi + pcx_header.nplanes], 3
jnz .indexed
._24bit:
stdcall img.create, eax, ebx, Image.bpp24
mov [retvalue], eax
test eax, eax
jz .quit
stdcall img.create, eax, ebx, Image.bpp24
mov [retvalue], eax
test eax, eax
jz .quit
movzx ebx, [xsize]
movzx ecx, [ysize]
mov edx, [eax+Image.Data]
movzx ebx, [xsize]
movzx ecx, [ysize]
mov edx, [eax+Image.Data]
rol ebx, 16
or ebx, ecx
xor ebx, [edx]
mov [eax+Image.Checksum], ebx
rol ebx, 16
or ebx, ecx
xor ebx, [edx]
mov [eax + Image.Checksum], ebx
mov esi, [_data]
add esi, 128
; mov edi, [retvalue]
mov edi, [eax+Image.Data]
add edi, 2
mov [line_begin], edi
mov ebx, [total_bpl]
mov esi, [_data]
add esi, 128
; mov edi, [retvalue]
mov edi, [eax + Image.Data]
add edi, 2
mov [line_begin], edi
mov ebx, [total_bpl]
._24bit.begin:
mov ax, word[bpl]
mov ax, word[bpl]
._24bit.decode:
call get_byte
call pcx._.get_byte
._24bit.write_sequence:
mov [edi], dl
dec ax
add edi, [nplanes]
dec dh
jnz ._24bit.write_sequence
mov [edi], dl
dec ax
add edi, [nplanes]
dec dh
jnz ._24bit.write_sequence
test ax, ax
jz ._24bit.end_color_line
jmp ._24bit.decode
test ax, ax
jz ._24bit.end_color_line
jmp ._24bit.decode
._24bit.end_color_line:
test ebx, ebx
jz ._24bit.end_full_line
dec [line_begin]
mov edi, [line_begin]
jmp ._24bit.begin
._24bit.end_color_line:
test ebx, ebx
jz ._24bit.end_full_line
dec [line_begin]
mov edi, [line_begin]
jmp ._24bit.begin
._24bit.end_full_line:
dec word[ysize]
jz .quit
mov ebx, [total_bpl]
add edi, 2
mov [line_begin], edi
jmp ._24bit.begin
dec word[ysize]
jz .quit
mov ebx, [total_bpl]
add edi, 2
mov [line_begin], edi
jmp ._24bit.begin
.indexed:
stdcall img.create, eax, ebx, Image.bpp8
mov [retvalue], eax
test eax, eax
jz .quit
stdcall img.create, eax, ebx, Image.bpp8
mov [retvalue], eax
test eax, eax
jz .quit
movzx ebx, [xsize]
movzx ecx, [ysize]
mov edx, [eax+Image.Data]
movzx ebx, [xsize]
movzx ecx, [ysize]
mov edx, [eax + Image.Data]
rol ebx, 16
or ebx, ecx
xor ebx, [edx]
mov [eax+Image.Checksum], ebx
rol ebx, 16
or ebx, ecx
xor ebx, [edx]
mov [eax + Image.Checksum], ebx
mov esi, [_data]
add esi, [_length]
sub esi, 768
mov edi, [eax+Image.Palette]
mov cx, 256
@@:
mov ebx, [esi]
bswap ebx
shr ebx, 8
mov [edi], ebx
add edi, 4
add esi, 3
dec cx
jnz @b
mov esi, [_data]
add esi, [_length]
sub esi, 768
mov edi, [eax + Image.Palette]
mov cx, 256
@@:
mov ebx, [esi]
bswap ebx
shr ebx, 8
mov [edi], ebx
add edi, 4
add esi, 3
dec cx
jnz @b
mov esi, [_data]
add esi, 128
; mov edi, [retvalue]
mov edi, [eax+Image.Data]
mov esi, [_data]
add esi, 128
; mov edi, [retvalue]
mov edi, [eax + Image.Data]
.indexed.begin:
mov ax, word[bpl]
mov ax, word[bpl]
.indexed.decode:
call get_byte
call pcx._.get_byte
.indexed.write_sequence:
mov [edi], dl
inc edi
dec ax
dec dh
jnz .indexed.write_sequence
mov [edi], dl
inc edi
dec ax
dec dh
jnz .indexed.write_sequence
test ax, ax
jz .indexed.end_line
jmp .indexed.decode
test ax, ax
jz .indexed.end_line
jmp .indexed.decode
.indexed.end_line:
dec word[ysize]
jz .quit
jmp .indexed.begin
dec word[ysize]
jz .quit
jmp .indexed.begin
.monochrome:
stdcall img.create, eax, ebx, Image.bpp1
mov [retvalue], eax
test eax, eax
jz .quit
stdcall img.create, eax, ebx, Image.bpp1
mov [retvalue], eax
test eax, eax
jz .quit
movzx ebx, [xsize]
movzx ecx, [ysize]
mov edx, [eax+Image.Data]
movzx ebx, [xsize]
movzx ecx, [ysize]
mov edx, [eax + Image.Data]
rol ebx, 16
or ebx, ecx
xor ebx, [edx]
mov [eax+Image.Checksum], ebx
rol ebx, 16
or ebx, ecx
xor ebx, [edx]
mov [eax + Image.Checksum], ebx
mov edi, [eax+Image.Palette]
mov [edi], dword 0x00000000
mov [edi+4], dword 0x00ffffff
mov edi, [eax + Image.Palette]
mov [edi], dword 0x00000000
mov [edi + 4], dword 0x00ffffff
mov esi, [_data]
add esi, 128
; mov edi, [retvalue]
mov edi, [eax+Image.Data]
mov esi, [_data]
add esi, 128
; mov edi, [retvalue]
mov edi, [eax + Image.Data]
.monochrome.begin:
mov ebx, [total_bpl]
mov ax, [xsize]
mov ebx, [total_bpl]
mov ax, [xsize]
.monochrome.decode:
call get_byte
call pcx._.get_byte
.monochrome.write_sequence:
mov [edi], dl
inc edi
cmp ax, 8
jng .monochrome.is_last_byte_in_line
sub ax, 8
dec dh
jnz .monochrome.write_sequence
jmp .monochrome.decode
mov [edi], dl
inc edi
cmp ax, 8
jng .monochrome.is_last_byte_in_line
sub ax, 8
dec dh
jnz .monochrome.write_sequence
jmp .monochrome.decode
.monochrome.is_last_byte_in_line:
test ebx, ebx
jng @f
call get_byte
jmp .monochrome.is_last_byte_in_line
@@:
dec word[ysize]
jnz .monochrome.begin
jmp .quit
test ebx, ebx
jng @f
call pcx._.get_byte
jmp .monochrome.is_last_byte_in_line
@@:
dec word[ysize]
jnz .monochrome.begin
jmp .quit
.quit:
popa
mov eax, [retvalue]
ret
popa
mov eax, [retvalue]
ret
endp
;;================================================================================================;;
proc img.encode.pcx _img, _p_length, _options ;///////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
@ -297,8 +295,8 @@ proc img.encode.pcx _img, _p_length, _options ;/////////////////////////////////
;< eax = 0 (error) or pointer to encoded data ;;
;< _p_length = encoded data length ;;
;;================================================================================================;;
xor eax, eax
ret
xor eax, eax
ret
endp
@ -309,25 +307,26 @@ endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
proc get_byte
proc pcx._.get_byte
mov dh, byte[esi]
inc esi
cmp dh, 0xC0
jnb .cycle1
mov dl, dh
mov dh, 1
jmp .exit1
mov dh, byte[esi]
inc esi
cmp dh, 0xC0
jnb .cycle1
mov dl, dh
mov dh, 1
jmp .exit1
.cycle1:
and dh, 0x3F
mov dl, byte[esi]
inc esi
and dh, 0x3F
mov dl, byte[esi]
inc esi
.exit1:
movzx ecx, dh
sub ebx, ecx
ret
movzx ecx, dh
sub ebx, ecx
ret
endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
@ -335,5 +334,3 @@ endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
;

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@ -1,5 +1,5 @@
;;================================================================================================;;
;;//// pcx.inc //// (c) dunkaist, 2010 ///////////////////////////////////////////////////////////;;
;;//// pcx.inc //// (c) dunkaist, 2010,2012 //////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
@ -17,21 +17,21 @@
;; ;;
;;================================================================================================;;
struct pcx_header
magic_number rb 1
version rb 1
encoding rb 1
bpp rb 1
xmin rw 1
ymin rw 1
xmax rw 1
ymax rw 1
hres rw 1
vres rw 1
colormap rb 48
reserved rb 1
nplanes rb 1
bpl rw 1
palette_info rw 1
filler rb 58
ends
struct pcx_header
magic_number rb 1
version rb 1
encoding rb 1
bpp rb 1
xmin rw 1
ymin rw 1
xmax rw 1
ymax rw 1
hres rw 1
vres rw 1
colormap rb 48
reserved rb 1
nplanes rb 1
bpl rw 1
palette_info rw 1
filler rb 58
ends

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@ -0,0 +1,54 @@
.pbm:
stdcall img.create, [width], [height], Image.bpp1
test eax, eax
jz .quit
mov [retvalue], eax
mov ebx, eax
mov edi, [ebx+Image.Palette]
mov [edi], dword 0x00ffffff
mov [edi + 4], dword 0x00000000
cmp [data_type], PNM_ASCII
je .pbm.ascii
.pbm.raw:
mov ecx, [ebx+Image.Width]
add ecx, 7
shr ecx, 3
imul ecx, [ebx+Image.Height]
mov edi, [ebx+Image.Data]
rep movsb
jmp .quit
.pbm.ascii:
mov edi, [ebx+Image.Data]
.pbm.next_line:
mov edx, [width]
mov ecx, 7
xor eax, eax
.pbm.next_char:
lodsb
cmp al, ' '
jna .pbm.next_char
.pbm.get_number:
cmp al, '1'
sete bl
shl bl, cl
or ah, bl
dec ecx
jns @f
shr eax, 8
stosb
mov ecx, 7
@@:
dec edx
jnz .pbm.next_char
test byte[width], 0x07
jz @f
shr eax, 8
stosb
@@:
dec [height]
jnz .pbm.next_line
jmp .quit

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@ -0,0 +1,72 @@
.pgm:
stdcall img.create, [width], [height], Image.bpp8
test eax, eax
jz .quit
mov [retvalue], eax
mov ebx, eax
mov edi, [ebx+Image.Palette]
mov eax, 0xff000000
@@:
stosd
add eax, 0x00010101
jnc @b
mov edi, [ebx+Image.Data]
mov ecx, [ebx+Image.Width]
imul ecx, [ebx+Image.Height]
cmp [data_type], PNM_ASCII
je .pgm.ascii
.pgm.raw:
cmp [maxval], 0xff
jne .pgm.raw.scale
rep movsb
jmp .quit
.pgm.raw.scale:
mov edx, [maxval]
mov eax, 0
@@:
lodsb
mov ebx, eax
shl eax, 8
sub eax, ebx
div dl
stosb
dec ecx
jnz @b
jmp .quit
.pgm.ascii:
xor eax, eax
cmp [maxval], 0xff
jne .pgm.ascii.scale
.pgm.ascii.next_char:
lodsb
cmp al, ' '
jna .pgm.ascii.next_char
call pnm._.get_number
mov eax, ebx
stosb
dec ecx
jnz .pgm.ascii.next_char
jmp .quit
.pgm.ascii.scale:
mov edx, [maxval]
.pgm.ascii.scale.next_char:
lodsb
cmp al, ' '
jna .pgm.ascii.scale.next_char
call pnm._.get_number
mov eax, ebx
shl eax, 8
sub eax, ebx
div dl
stosb
dec ecx
jnz .pgm.ascii.scale.next_char
jmp .quit

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@ -0,0 +1,230 @@
;;================================================================================================;;
;;//// pnm.asm //// (c) dunkaist, 2012 ///////////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
;; ;;
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; of the License, or (at your option) any later version. ;;
;; ;;
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; Lesser General Public License for more details. ;;
;; ;;
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;;
;;================================================================================================;;
include 'pnm.inc'
;;================================================================================================;;
proc img.is.pnm _data, _length ;//////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Determine if raw data could be decoded (is in pnm format) ;;
;;------------------------------------------------------------------------------------------------;;
;> _data = raw data as read from file/stream ;;
;> _length = data length ;;
;;------------------------------------------------------------------------------------------------;;
;< eax = false / true ;;
;;================================================================================================;;
xor eax, eax
mov ecx, [_data]
mov cx, word[ecx]
xchg cl, ch
cmp cx, '1P'
jb .is_not_pnm
cmp cx, '6P'
ja .is_not_pnm
.is_pnm:
inc eax
.is_not_pnm:
ret
endp
;;================================================================================================;;
proc img.decode.pnm _data, _length, _options ;////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Decode data into image if it contains correctly formed raw data in pnm format ;;
;;------------------------------------------------------------------------------------------------;;
;> _data = raw data as read from file/stream ;;
;> _length = data length ;;
;;------------------------------------------------------------------------------------------------;;
;< eax = 0 (error) or pointer to image ;;
;;================================================================================================;;
locals
width rd 1
height rd 1
pnm_type rd 1
data_type rd 1 ; raw or ascii
maxval rd 1
retvalue rd 1
endl
pusha
mov esi, [_data]
lodsw
cmp ax, 'P1'
jne @f
mov [pnm_type], PNM_PBM
mov [data_type], PNM_ASCII
jmp .parse_header
@@:
cmp ax, 'P2'
jne @f
mov [pnm_type], PNM_PGM
mov [data_type], PNM_ASCII
jmp .parse_header
@@:
cmp ax, 'P3'
jne @f
mov [pnm_type], PNM_PPM
mov [data_type], PNM_ASCII
jmp .parse_header
@@:
cmp ax, 'P4'
jne @f
mov [pnm_type], PNM_PBM
mov [data_type], PNM_RAW
jmp .parse_header
@@:
cmp ax, 'P5'
jne @f
mov [pnm_type], PNM_PGM
mov [data_type], PNM_RAW
jmp .parse_header
@@:
cmp ax, 'P6'
jne @f
mov [pnm_type], PNM_PPM
mov [data_type], PNM_RAW
jmp .parse_header
@@:
.parse_header:
xor eax, eax
mov [width], eax
mov [height], eax
mov [maxval], eax
.next_char:
lodsb
cmp al, '#'
jb .next_char
ja .read_number
.comment:
mov edi, esi
mov al, 0x0A
mov ecx, edi
sub ecx, [_data]
neg ecx
add ecx, [_length]
repne scasb
mov esi, edi
jmp .next_char
.read_number:
sub eax, 0x30
mov ebx, eax
@@:
lodsb
cmp al, '0'
jb .number_done
sub eax, 0x30
imul ebx, 10
add ebx, eax
jmp @b
.number_done:
cmp [width], 0
jne @f
mov [width], ebx
jmp .next_char
@@:
cmp [height], 0
jne @f
mov [height], ebx
cmp [pnm_type], PNM_PBM
je .header_parsed
jmp .next_char
@@:
mov [maxval], ebx
.header_parsed:
mov eax, [pnm_type]
cmp eax, PNM_PBM
je .pbm
cmp eax, PNM_PGM
je .pgm
cmp eax, PNM_PPM
je .ppm
jmp .quit
include 'pbm.asm'
include 'pgm.asm'
include 'ppm.asm'
.quit:
popa
mov eax, [retvalue]
ret
endp
;;================================================================================================;;
proc img.encode.pnm _img, _p_length, _options ;///////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Encode image into raw data in pnm format ;;
;;------------------------------------------------------------------------------------------------;;
;> _img = pointer to image ;;
;;------------------------------------------------------------------------------------------------;;
;< eax = 0 (error) or pointer to encoded data ;;
;< _p_length = encoded data length ;;
;;================================================================================================;;
xor eax, eax
ret
endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
;! Below are private procs you should never call directly from your code ;;
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
proc pnm._.get_number
sub eax, '0'
mov ebx, eax
@@:
lodsb
cmp al, '0'
jb .quit
sub eax, '0'
lea eax, [ebx*8 + eax]
lea ebx, [ebx*2 + eax]
; imul ebx, 10
; add ebx, eax
jmp @b
.quit:
ret
endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
;! Below is private data you should never use directly from your code ;;
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;

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@ -0,0 +1,26 @@
;;================================================================================================;;
;;//// pnm.inc //// (c) dunkaist, 2012 ///////////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
;; ;;
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; of the License, or (at your option) any later version. ;;
;; ;;
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; Lesser General Public License for more details. ;;
;; ;;
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;;
;;================================================================================================;;
PNM_RAW = 0
PNM_ASCII = 1
PNM_PBM = 0
PNM_PGM = 1
PNM_PPM = 2

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@ -0,0 +1,117 @@
.ppm:
stdcall img.create, [width], [height], Image.bpp24
test eax, eax
jz .quit
mov [retvalue], eax
mov ebx, eax
mov edi, [ebx + Image.Data]
mov ecx, [ebx + Image.Width]
imul ecx, [ebx + Image.Height]
cmp [data_type], PNM_ASCII
je .ppm.ascii
.ppm.raw:
cmp [maxval], 0xff
jne .ppm.raw.scale
@@:
lodsw
xchg al, ah
movsb
stosw
dec ecx
jnz @b
jmp .quit
.ppm.raw.scale:
mov edx, [maxval]
xor eax, eax
@@:
lodsb
mov ebx, eax
shl eax, 8
sub eax, ebx
div dl
stosb
lodsb
mov ebx, eax
shl eax, 8
sub eax, ebx
div dl
stosb
lodsb
mov ebx, eax
shl eax, 8
sub eax, ebx
div dl
stosb
dec ecx
jnz @b
jmp .quit
.ppm.ascii:
xor eax, eax
cmp [maxval], 0xff
jne .ppm.ascii.scale
.ppm.ascii.next_char:
@@:
lodsb
cmp al, ' '
jna @b
call pnm._.get_number
mov [edi + 2], bl
@@:
lodsb
cmp al, ' '
jna @b
call pnm._.get_number
mov [edi + 1], bl
@@:
lodsb
cmp al, ' '
jna @b
call pnm._.get_number
mov [edi + 0], bl
add edi, 3
dec ecx
jnz .ppm.ascii.next_char
jmp .quit
.ppm.ascii.scale:
mov edx, [maxval]
.ppm.ascii.scale.next_char:
@@:
lodsb
cmp al, ' '
jna @b
call pnm._.get_number
mov eax, ebx
shl eax, 8
sub eax, ebx
div dl
mov [edi + 2], al
@@:
lodsb
cmp al, ' '
jna @b
call pnm._.get_number
mov eax, ebx
shl eax, 8
sub eax, ebx
div dl
mov [edi + 1], al
@@:
lodsb
cmp al, ' '
jna @b
call pnm._.get_number
mov eax, ebx
shl eax, 8
sub eax, ebx
div dl
mov [edi + 0], al
add edi, 3
dec ecx
jnz .ppm.ascii.next_char
jmp .quit

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@ -0,0 +1,430 @@
tiff._.huffman_tree_white.begin:
dd 0x00000000, .0
.1 dd 0x00000000, .10
.11 dd 0x00000000, .110
.111 dd 0x00000000, .1110
.1111 dd 0x80000000 + 7
.1110 dd 0x80000000 + 6
.110 dd 0x00000000, .1100
.1101 dd 0x00000000, .11010
.11011 dd 0x80000000 + 64
.11010 dd 0x00000000, .110100
.110101 dd 0x80000000 + 15
.110100 dd 0x80000000 + 14
.1100 dd 0x80000000 + 5
.10 dd 0x00000000, .100
.101 dd 0x00000000, .1010
.1011 dd 0x80000000 + 4
.1010 dd 0x00000000, .10100
.10101 dd 0x00000000, .101010
.101011 dd 0x80000000 + 17
.101010 dd 0x80000000 + 16
.10100 dd 0x80000000 + 9
.100 dd 0x00000000, .1000
.1001 dd 0x00000000, .10010
.10011 dd 0x80000000 + 8
.10010 dd 0x80000000 + 128
.1000 dd 0x80000000 + 3
.0 dd 0x00000000, .00
.01 dd 0x00000000, .010
.011 dd 0x00000000, .0110
.0111 dd 0x80000000 + 2
.0110 dd 0x00000000, .01100
.01101 dd 0x00000000, .011010
.011011 dd 0x00000000, .0110110
.0110111 dd 0x80000000 + 256
.0110110 dd 0x00000000, .01101100
.01101101 dd 0x00000000, .011011010
.011011011 dd 0x80000000 + 1408
.011011010 dd 0x80000000 + 1344
.01101100 dd 0x00000000, .011011000
.011011001 dd 0x80000000 + 1280
.011011000 dd 0x80000000 + 1216
.011010 dd 0x00000000, .0110100
.0110101 dd 0x00000000, .01101010
.01101011 dd 0x00000000, .011010110
.011010111 dd 0x80000000 + 1152
.011010110 dd 0x80000000 + 1088
.01101010 dd 0x00000000, .011010100
.011010101 dd 0x80000000 + 1024
.011010100 dd 0x80000000 + 960
.0110100 dd 0x00000000, .01101000
.01101001 dd 0x00000000, .011010010
.011010011 dd 0x80000000 + 896
.011010010 dd 0x80000000 + 832
.01101000 dd 0x80000000 + 576
.01100 dd 0x00000000, .011000
.011001 dd 0x00000000, .0110010
.0110011 dd 0x00000000, .01100110
.01100111 dd 0x80000000 + 640
.01100110 dd 0x00000000, .011001100
.011001101 dd 0x80000000 + 768
.011001100 dd 0x80000000 + 704
.0110010 dd 0x00000000, .01100100
.01100101 dd 0x80000000 + 512
.01100100 dd 0x80000000 + 448
.011000 dd 0x80000000 + 1664
.010 dd 0x00000000, .0100
.0101 dd 0x00000000, .01010
.01011 dd 0x00000000, .010110
.010111 dd 0x80000000 + 192
.010110 dd 0x00000000, .0101100
.0101101 dd 0x00000000, .01011010
.01011011 dd 0x80000000 + 58
.01011010 dd 0x80000000 + 57
.0101100 dd 0x00000000, .01011000
.01011001 dd 0x80000000 + 56
.01011000 dd 0x80000000 + 55
.01010 dd 0x00000000, .010100
.010101 dd 0x00000000, .0101010
.0101011 dd 0x80000000 + 25
.0101010 dd 0x00000000, .01010100
.01010101 dd 0x80000000 + 52
.01010100 dd 0x80000000 + 51
.010100 dd 0x00000000, .0101000
.0101001 dd 0x00000000, .01010010
.01010011 dd 0x80000000 + 50
.01010010 dd 0x80000000 + 49
.0101000 dd 0x80000000 + 24
.0100 dd 0x00000000, .01000
.01001 dd 0x00000000, .010010
.010011 dd 0x00000000, .0100110
.0100111 dd 0x80000000 + 18
.0100110 dd 0x00000000, .01001100
.01001101 dd 0x00000000, .010011010
.010011011 dd 0x80000000 + 1728
.010011010 dd 0x80000000 + 1600
.01001100 dd 0x00000000, .010011000
.010011001 dd 0x80000000 + 1536
.010011000 dd 0x80000000 + 1472
.010010 dd 0x00000000, .0100100
.0100101 dd 0x00000000, .01001010
.01001011 dd 0x80000000 + 60
.01001010 dd 0x80000000 + 59
.0100100 dd 0x80000000 + 27
.01000 dd 0x80000000 + 11
.00 dd 0x00000000, .000
.001 dd 0x00000000, .0010
.0011 dd 0x00000000, .00110
.00111 dd 0x80000000 + 10
.00110 dd 0x00000000, .001100
.001101 dd 0x00000000, .0011010
.0011011 dd 0x00000000, .00110110
.00110111 dd 0x80000000 + 384
.00110110 dd 0x80000000 + 320
.0011010 dd 0x00000000, .00110100
.00110101 dd 0x80000000 + 0
.00110100 dd 0x80000000 + 63
.001100 dd 0x00000000, .0011000
.0011001 dd 0x00000000, .00110010
.00110011 dd 0x80000000 + 62
.00110010 dd 0x80000000 + 61
.0011000 dd 0x80000000 + 28
.0010 dd 0x00000000, .00100
.00101 dd 0x00000000, .001010
.001011 dd 0x00000000, .0010110
.0010111 dd 0x80000000 + 21
.0010110 dd 0x00000000, .00101100
.00101101 dd 0x80000000 + 44
.00101100 dd 0x80000000 + 43
.001010 dd 0x00000000, .0010100
.0010101 dd 0x00000000, .00101010
.00101011 dd 0x80000000 + 42
.00101010 dd 0x80000000 + 41
.0010100 dd 0x00000000, .00101000
.00101001 dd 0x80000000 + 40
.00101000 dd 0x80000000 + 39
.00100 dd 0x00000000, .001000
.001001 dd 0x00000000, .0010010
.0010011 dd 0x80000000 + 26
.0010010 dd 0x00000000, .00100100
.00100101 dd 0x80000000 + 54
.00100100 dd 0x80000000 + 53
.001000 dd 0x80000000 + 12
.000 dd 0x00000000, .0000
.0001 dd 0x00000000, .00010
.00011 dd 0x00000000, .000110
.000111 dd 0x80000000 + 1
.000110 dd 0x00000000, .0001100
.0001101 dd 0x00000000, .00011010
.00011011 dd 0x80000000 + 32
.00011010 dd 0x80000000 + 31
.0001100 dd 0x80000000 + 19
.00010 dd 0x00000000, .000100
.000101 dd 0x00000000, .0001010
.0001011 dd 0x00000000, .00010110
.00010111 dd 0x80000000 + 38
.00010110 dd 0x80000000 + 37
.0001010 dd 0x00000000, .00010100
.00010101 dd 0x80000000 + 36
.00010100 dd 0x80000000 + 35
.000100 dd 0x00000000, .0001000
.0001001 dd 0x00000000, .00010010
.00010011 dd 0x80000000 + 34
.00010010 dd 0x80000000 + 33
.0001000 dd 0x80000000 + 20
.0000 dd 0x00000000, .00000
.00001 dd 0x00000000, .000010
.000011 dd 0x80000000 + 13
.000010 dd 0x00000000, .0000100
.0000101 dd 0x00000000, .00001010
.00001011 dd 0x80000000 + 48
.00001010 dd 0x80000000 + 47
.0000100 dd 0x80000000 + 23
.00000 dd 0x00000000, .000000
.000001 dd 0x00000000, .0000010
.0000011 dd 0x80000000 + 22
.0000010 dd 0x00000000, .00000100
.00000101 dd 0x80000000 + 46
.00000100 dd 0x80000000 + 45
.000000 dd 0x00000000, .0000000
.0000001 dd 0x00000000, .00000010
.00000011 dd 0x80000000 + 30
.00000010 dd 0x80000000 + 29
.0000000 dd 0x00000000, .00000000
.00000001 dd 0x00000000, .000000010
.000000011 dd 0x00000000, .0000000110
.0000000111 dd 0x00000000, .00000001110
.00000001111 dd 0x00000000, .000000011110
.000000011111 dd 0x80000000 + 2560
.000000011110 dd 0x80000000 + 2496
.00000001110 dd 0x00000000, .000000011100
.000000011101 dd 0x80000000 + 2432
.000000011100 dd 0x80000000 + 2368
.0000000110 dd 0x00000000, .00000001100
.00000001101 dd 0x80000000 + 1920
.00000001100 dd 0x80000000 + 1856
.000000010 dd 0x00000000, .0000000100
.0000000101 dd 0x00000000, .00000001010
.00000001011 dd 0x00000000, .000000010110
.000000010111 dd 0x80000000 + 2304
.000000010110 dd 0x80000000 + 2240
.00000001010 dd 0x00000000, .000000010100
.000000010101 dd 0x80000000 + 2176
.000000010100 dd 0x80000000 + 2112
.0000000100 dd 0x00000000, .00000001000
.00000001001 dd 0x00000000, .000000010010
.000000010011 dd 0x80000000 + 2048
.000000010010 dd 0x80000000 + 1984
.00000001000 dd 0x80000000 + 1792
.00000000 dd 0x00000010, .000000000
.000000000 dd 0x00000010, .0000000000
.0000000000 dd 0x00000010, .00000000000
.00000000000 dd 0x00000011, .000000000001
.000000000001 dd 0x80000000 + 0xffff
tiff._.huffman_tree_white.end:
tiff._.huffman_tree_black.begin:
dd 0x00000000, .0
.1 dd 0x00000000, .10
.11 dd 0x80000000 + 2
.10 dd 0x80000000 + 3
.0 dd 0x00000000, .00
.01 dd 0x00000000, .010
.011 dd 0x80000000 + 4
.010 dd 0x80000000 + 1
.00 dd 0x00000000, .000
.001 dd 0x00000000, .0010
.0011 dd 0x80000000 + 5
.0010 dd 0x80000000 + 6
.000 dd 0x00000000, .0000
.0001 dd 0x00000000, .00010
.00011 dd 0x80000000 + 7
.00010 dd 0x00000000, .000100
.000101 dd 0x80000000 + 8
.000100 dd 0x80000000 + 9
.0000 dd 0x00000000, .00000
.00001 dd 0x00000000, .000010
.000011 dd 0x00000000, .0000110
.0000111 dd 0x80000000 + 12
.0000110 dd 0x00000000, .00001100
.00001101 dd 0x00000000, .000011010
.000011011 dd 0x00000000, .0000110110
.0000110111 dd 0x80000000 + 0
.0000110110 dd 0x00000000, .00001101100
.00001101101 dd 0x00000000, .000011011010
.000011011011 dd 0x80000000 + 43
.000011011010 dd 0x80000000 + 42
.00001101100 dd 0x80000000 + 21
.000011010 dd 0x00000000, .0000110100
.0000110101 dd 0x00000000, .00001101010
.00001101011 dd 0x00000000, .000011010110
.000011010111 dd 0x80000000 + 39
.000011010110 dd 0x80000000 + 38
.00001101010 dd 0x00000000, .000011010100
.000011010101 dd 0x80000000 + 37
.000011010100 dd 0x80000000 + 36
.0000110100 dd 0x00000000, .00001101000
.00001101001 dd 0x00000000, .000011010010
.000011010011 dd 0x80000000 + 35
.000011010010 dd 0x80000000 + 34
.00001101000 dd 0x80000000 + 20
.00001100 dd 0x00000000, .000011000
.000011001 dd 0x00000000, .0000110010
.0000110011 dd 0x00000000, .00001100110
.00001100111 dd 0x80000000 + 19
.00001100110 dd 0x00000000, .000011001100
.000011001101 dd 0x80000000 + 29
.000011001100 dd 0x80000000 + 28
.0000110010 dd 0x00000000, .00001100100
.00001100101 dd 0x00000000, .000011001010
.000011001011 dd 0x80000000 + 27
.000011001010 dd 0x80000000 + 26
.00001100100 dd 0x00000000, .000011001000
.000011001001 dd 0x80000000 + 192
.000011001000 dd 0x80000000 + 128
.000011000 dd 0x80000000 + 15
.000010 dd 0x00000000, .0000100
.0000101 dd 0x80000000 + 11
.0000100 dd 0x80000000 + 10
.00000 dd 0x00000000, .000000
.000001 dd 0x00000000, .0000010
.0000011 dd 0x00000000, .00000110
.00000111 dd 0x80000000 + 14
.00000110 dd 0x00000000, .000001100
.000001101 dd 0x00000000, .0000011010
.0000011011 dd 0x00000000, .00000110110
.00000110111 dd 0x80000000 + 22
.00000110110 dd 0x00000000, .000001101100
.000001101101 dd 0x80000000 + 41
.000001101100 dd 0x80000000 + 40
.0000011010 dd 0x00000000, .00000110100
.00000110101 dd 0x00000000, .000001101010
.000001101011 dd 0x80000000 + 33
.000001101010 dd 0x80000000 + 32
.00000110100 dd 0x00000000, .000001101000
.000001101001 dd 0x80000000 + 31
.000001101000 dd 0x80000000 + 30
.000001100 dd 0x00000000, .0000011000
.0000011001 dd 0x00000000, .00000110010
.00000110011 dd 0x00000000, .000001100110
.000001100111 dd 0x80000000 + 63
.000001100110 dd 0x80000000 + 62
.00000110010 dd 0x00000000, .000001100100
.000001100101 dd 0x80000000 + 49
.000001100100 dd 0x80000000 + 48
.0000011000 dd 0x80000000 + 17
.0000010 dd 0x00000000, .00000100
.00000101 dd 0x00000000, .000001010
.000001011 dd 0x00000000, .0000010110
.0000010111 dd 0x80000000 + 16
.0000010110 dd 0x00000000, .00000101100
.00000101101 dd 0x00000000, .000001011010
.000001011011 dd 0x80000000 + 256
.000001011010 dd 0x80000000 + 61
.00000101100 dd 0x00000000, .000001011000
.000001011001 dd 0x80000000 + 58
.000001011000 dd 0x80000000 + 57
.000001010 dd 0x00000000, .0000010100
.0000010101 dd 0x00000000, .00000101010
.00000101011 dd 0x00000000, .000001010110
.000001010111 dd 0x80000000 + 47
.000001010110 dd 0x80000000 + 46
.00000101010 dd 0x00000000, .000001010100
.000001010101 dd 0x80000000 + 45
.000001010100 dd 0x80000000 + 44
.0000010100 dd 0x00000000, .00000101000
.00000101001 dd 0x00000000, .000001010010
.000001010011 dd 0x80000000 + 51
.000001010010 dd 0x80000000 + 50
.00000101000 dd 0x80000000 + 23
.00000100 dd 0x80000000 + 13
.000000 dd 0x00000000, .0000000
.0000001 dd 0x00000000, .00000010
.00000011 dd 0x00000000, .000000110
.000000111 dd 0x00000000, .0000001110
.0000001111 dd 0x80000000 + 64
.0000001110 dd 0x00000000, .00000011100
.00000011101 dd 0x00000000, .000000111010
.000000111011 dd 0x00000000, .0000001110110
.0000001110111 dd 0x80000000 + 1216
.0000001110110 dd 0x80000000 + 1152
.000000111010 dd 0x00000000, .0000001110100
.0000001110101 dd 0x80000000 + 1088
.0000001110100 dd 0x80000000 + 1024
.00000011100 dd 0x00000000, .000000111000
.000000111001 dd 0x00000000, .0000001110010
.0000001110011 dd 0x80000000 + 960
.0000001110010 dd 0x80000000 + 896
.000000111000 dd 0x80000000 + 54
.000000110 dd 0x00000000, .0000001100
.0000001101 dd 0x00000000, .00000011010
.00000011011 dd 0x00000000, .000000110110
.000000110111 dd 0x80000000 + 53
.000000110110 dd 0x00000000, .0000001101100
.0000001101101 dd 0x80000000 + 576
.0000001101100 dd 0x80000000 + 512
.00000011010 dd 0x00000000, .000000110100
.000000110101 dd 0x80000000 + 448
.000000110100 dd 0x80000000 + 384
.0000001100 dd 0x00000000, .00000011000
.00000011001 dd 0x00000000, .000000110010
.000000110011 dd 0x80000000 + 320
.000000110010 dd 0x00000000, .0000001100100
.0000001100101 dd 0x80000000 + 1728
.0000001100100 dd 0x80000000 + 1664
.00000011000 dd 0x80000000 + 25
.00000010 dd 0x00000000, .000000100
.000000101 dd 0x00000000, .0000001010
.0000001011 dd 0x00000000, .00000010110
.00000010111 dd 0x80000000 + 24
.00000010110 dd 0x00000000, .000000101100
.000000101101 dd 0x00000000, .0000001011010
.0000001011011 dd 0x80000000 + 1600
.0000001011010 dd 0x80000000 + 1536
.000000101100 dd 0x80000000 + 60
.0000001010 dd 0x00000000, .00000010100
.00000010101 dd 0x00000000, .000000101010
.000000101011 dd 0x80000000 + 59
.000000101010 dd 0x00000000, .0000001010100
.0000001010101 dd 0x80000000 + 1472
.0000001010100 dd 0x80000000 + 1408
.00000010100 dd 0x00000000, .000000101000
.000000101001 dd 0x00000000, .0000001010010
.0000001010011 dd 0x80000000 + 1344
.0000001010010 dd 0x80000000 + 1280
.000000101000 dd 0x80000000 + 56
.000000100 dd 0x00000000, .0000001000
.0000001001 dd 0x00000000, .00000010010
.00000010011 dd 0x00000000, .000000100110
.000000100111 dd 0x80000000 + 55
.000000100110 dd 0x00000000, .0000001001100
.0000001001101 dd 0x80000000 + 832
.0000001001100 dd 0x80000000 + 768
.00000010010 dd 0x00000000, .000000100100
.000000100101 dd 0x00000000, .0000001001010
.0000001001011 dd 0x80000000 + 704
.0000001001010 dd 0x80000000 + 640
.000000100100 dd 0x80000000 + 52
.0000001000 dd 0x80000000 + 18
.0000000 dd 0x00000000, .00000000
.00000001 dd 0x00000000, .000000010
.000000011 dd 0x00000000, .0000000110
.0000000111 dd 0x00000000, .00000001110
.00000001111 dd 0x00000000, .000000011110
.000000011111 dd 0x80000000 + 2560
.000000011110 dd 0x80000000 + 2496
.00000001110 dd 0x00000000, .000000011100
.000000011101 dd 0x80000000 + 2432
.000000011100 dd 0x80000000 + 2368
.0000000110 dd 0x00000000, .00000001100
.00000001101 dd 0x80000000 + 1920
.00000001100 dd 0x80000000 + 1856
.000000010 dd 0x00000000, .0000000100
.0000000101 dd 0x00000000, .00000001010
.00000001011 dd 0x00000000, .000000010110
.000000010111 dd 0x80000000 + 2304
.000000010110 dd 0x80000000 + 2240
.00000001010 dd 0x00000000, .000000010100
.000000010101 dd 0x80000000 + 2176
.000000010100 dd 0x80000000 + 2112
.0000000100 dd 0x00000000, .00000001000
.00000001001 dd 0x00000000, .000000010010
.000000010011 dd 0x80000000 + 2048
.000000010010 dd 0x80000000 + 1984
.00000001000 dd 0x80000000 + 1792
.00000000 dd 0x00000010, .000000000
.000000000 dd 0x00000010, .0000000000
.0000000000 dd 0x00000010, .00000000000
.00000000000 dd 0x80000000 + 0xffff
tiff._.huffman_tree_black.end:

View File

@ -0,0 +1,853 @@
;;================================================================================================;;
;;//// tiff.asm //// (c) dunkaist, 2011-2012 /////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
;; ;;
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; of the License, or (at your option) any later version. ;;
;; ;;
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; Lesser General Public License for more details. ;;
;; ;;
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;;
;;================================================================================================;;
include 'tiff.inc'
;include '../../../../../system/board/trunk/debug.inc'
;;================================================================================================;;
proc img.is.tiff _data, _length ;/////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Determine if raw data could be decoded (is in tiff format) ;;
;;------------------------------------------------------------------------------------------------;;
;> _data = raw data as read from file/stream ;;
;> _length = data length ;;
;;------------------------------------------------------------------------------------------------;;
;< eax = false / true ;;
;;================================================================================================;;
push esi
mov esi, [_data]
lodsw
cmp ax, word 'II'
je .little_endian
cmp ax, word 'MM'
je .big_endian
jmp .is_not_tiff
.little_endian:
lodsw
cmp ax, 0x002A
je .is_tiff
jmp .is_not_tiff
.big_endian:
lodsw
cmp ax, 0x2A00
je .is_tiff
.is_not_tiff:
pop esi
xor eax, eax
ret
.is_tiff:
pop esi
xor eax, eax
inc eax
ret
endp
;;================================================================================================;;
proc img.decode.tiff _data, _length, _options ;///////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Decode data into image if it contains correctly formed raw data in tiff format ;;
;;------------------------------------------------------------------------------------------------;;
;> _data = raw data as read from file/stream ;;
;> _length = data length ;;
;;------------------------------------------------------------------------------------------------;;
;< eax = 0 (error) or pointer to image ;;
;;================================================================================================;;
locals
_endianness rd 1 ; 0 stands for LE, otherwise BE
retvalue rd 1 ; 0 (error) or pointer to image
endl
push ebx edx esi edi
mov esi, [_data]
lodsw
mov [_endianness], 0
cmp ax, word 'II'
seta byte[_endianness]
lodsw_
lodsd_
@@:
stdcall tiff._.parse_IFD, [_data], eax, [_endianness]
mov ebx, eax
mov [retvalue], eax
lodsd_
test eax, eax
; jnz @b
.quit:
mov eax, [retvalue]
pop edi esi edx ebx
ret
endp
;;================================================================================================;;
proc img.encode.tiff _img, _p_length, _options ;//////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? Encode image into raw data in tiff format ;;
;;------------------------------------------------------------------------------------------------;;
;> _img = pointer to image ;;
;;------------------------------------------------------------------------------------------------;;
;< eax = 0 (error) or pointer to encoded data ;;
;< _p_length = encoded data length ;;
;;================================================================================================;;
xor eax, eax
ret
endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
;! Below are private procs you should never call directly from your code ;;
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
proc tiff._.parse_IFD _data, _IFD, _endianness
locals
extended rd 1
retvalue rd 1
decompress rd 1
endl
push ebx edx edi
mov [retvalue], 0
invoke mem.alloc, sizeof.tiff_extra
test eax, eax
jz .quit
mov [extended], eax
mov ebx, eax
mov edi, eax
mov ecx, sizeof.tiff_extra/4
xor eax, eax
rep stosd
mov esi, [_IFD]
add esi, [_data]
lodsw_
movzx ecx, ax
@@:
push ecx
stdcall tiff._.parse_IFDE, [_data], [_endianness]
pop ecx
dec ecx
jnz @b
call tiff._.define_image_type
stdcall img.create, [ebx + tiff_extra.image_width], [ebx + tiff_extra.image_height], eax
test eax, eax
jz .quit
mov [retvalue], eax
mov edx, eax
mov [edx + Image.Extended], ebx
cmp [ebx+tiff_extra.compression], TIFF.COMPRESSION.UNCOMPRESSED
jne @f
mov [decompress], tiff._.decompress.uncompressed
jmp .decompressor_defined
@@:
cmp [ebx + tiff_extra.compression], TIFF.COMPRESSION.PACKBITS
jne @f
mov [decompress], tiff._.decompress.packbits
jmp .decompressor_defined
@@:
mov [decompress], tiff._.decompress.ccitt1d
jmp .decompressor_defined
jmp .quit
.decompressor_defined:
push esi ; fixme!!
mov ecx, [edx + Image.Type]
dec ecx
jz .bpp8
dec ecx
jz .bpp24
dec ecx
jz .bpp32
dec ecx
dec ecx ; tiff doesn't handle 15bpp images
jz .bpp16
dec ecx
jz .bpp1
dec ecx
jz .bpp4
;error report!!
.bpp1:
.bpp1.palette:
mov edi, [edx+Image.Palette]
cmp [ebx + tiff_extra.photometric], TIFF.PHOTOMETRIC.BLACK_IS_ZERO
jne .bpp1.white_is_zero
.bpp1.black_is_zero:
mov [edi], dword 0x00000000
mov [edi + 4], dword 0x00ffffff
jmp .common
.bpp1.white_is_zero:
mov [edi], dword 0x00ffffff
mov [edi + 4], dword 0x00000000
jmp .common
.bpp4:
jmp .common
.bpp8:
cmp [ebx + tiff_extra.palette], 0
je .bpp8.grayscale
mov esi, [ebx + tiff_extra.palette]
mov ah, 2
.bpp8.channel:
mov edi, eax
and edi, 0x0000ff00
shr edi, 8
add edi, [edx + Image.Palette]
mov ecx, 256
@@:
lodsb
stosb
lodsb
add edi, 3
dec ecx
jnz @b
dec ah
jns .bpp8.channel
jmp .common
.bpp8.grayscale:
mov edi, [edx + Image.Palette]
mov eax, 0xff000000
@@:
stosd
add eax, 0x00010101
jnc @b
jmp .common
.bpp16:
jmp .common
.bpp24:
jmp .common
.bpp32:
jmp .common
.common:
mov edi, [edx+Image.Data]
mov esi, [ebx+tiff_extra.strip_offsets]
mov edx, [ebx+tiff_extra.strip_byte_counts]
cmp [ebx + tiff_extra.strip_offsets_length], TIFF.IFDE_TYPE_LENGTH.SHORT
jne .l_x
cmp [ebx + tiff_extra.strip_byte_counts_length], TIFF.IFDE_TYPE_LENGTH.SHORT
jne .s_l
jmp .s_s
.l_x: cmp [ebx + tiff_extra.strip_byte_counts_length], TIFF.IFDE_TYPE_LENGTH.SHORT
jne .l_l
jmp .l_s
.s_s:
xor eax, eax
lodsw_
push esi
mov esi, eax
add esi, [_data]
xor ecx, ecx
mov cx, word[edx]
test [_endianness], 1
jz @f
xchg cl, ch
@@:
add edx, 2
stdcall [decompress], [retvalue]
pop esi
dec [ebx + tiff_extra.offsets_number]
jnz .s_s
jmp .decoded
.s_l:
xor eax, eax
lodsw_
push esi
mov esi, eax
add esi, [_data]
mov ecx, [edx]
test [_endianness], 1
jz @f
bswap ecx
@@:
add edx, 4
stdcall [decompress], [retvalue]
pop esi
dec [ebx + tiff_extra.offsets_number]
jnz .s_l
jmp .decoded
.l_s:
lodsd_
push esi
mov esi, eax
add esi, [_data]
xor ecx, ecx
mov cx, word[edx]
test [_endianness], 1
jz @f
xchg cl, ch
@@:
add edx, 2
stdcall [decompress], [retvalue]
pop esi
dec [ebx + tiff_extra.offsets_number]
jnz .l_s
jmp .decoded
.l_l:
lodsd_
push esi
mov esi, eax
add esi, [_data]
mov ecx, [edx]
test [_endianness], 1
jz @f
bswap ecx
@@:
add edx, 4
stdcall [decompress], [retvalue]
pop esi
dec [ebx + tiff_extra.offsets_number]
jnz .l_l
jmp .decoded
.decoded:
cmp [ebx + tiff_extra.samples_per_pixel], 3
jne .pop_quit
mov eax, [retvalue]
mov esi, [eax + Image.Data]
mov edi, [eax + Image.Data]
mov ecx, [eax + Image.Width]
imul ecx, [eax + Image.Height]
@@:
lodsw
movsb
mov byte[esi - 1], al
add edi, 2
dec ecx
jnz @b
.pop_quit:
pop esi
.quit:
pop edi edx ebx
mov eax, [retvalue]
ret
endp
proc tiff._.parse_IFDE _data, _endianness
push ebx edx edi
lodsw_
mov edx, tiff.IFDE_tag_table.begin
mov ecx, (tiff.IFDE_tag_table.end-tiff.IFDE_tag_table.begin)/8
.tag:
cmp ax, word[edx]
jne @f
lodsw_
jmp dword[edx + 4]
@@:
add edx, 8
dec ecx
jnz .tag
.tag_default: ; unknown/unsupported/uninteresting/unimportant
lodsw
lodsd
lodsd
jmp .quit ; just skip it
.tag_100:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
lodsd
xor eax, eax
lodsw_
mov [ebx + tiff_extra.image_width], eax
lodsw
jmp .quit
@@:
cmp ax, TIFF.IFDE_TYPE.LONG
jne @f
lodsd
lodsd_
mov [ebx + tiff_extra.image_width], eax
jmp .quit
@@:
jmp .quit
.tag_101:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
lodsd
xor eax, eax
lodsw_
mov [ebx + tiff_extra.image_height], eax
lodsw
jmp .quit
@@:
cmp ax, TIFF.IFDE_TYPE.LONG
jne @f
lodsd
lodsd_
mov [ebx + tiff_extra.image_height], eax
jmp .quit
@@:
jmp .quit
.tag_102:
lodsd_
imul eax, TIFF.IFDE_TYPE_LENGTH.SHORT
cmp eax, 4
ja @f
xor eax, eax
lodsw_
mov [ebx + tiff_extra.bits_per_sample], eax
lodsw
jmp .quit
@@:
lodsd_
add eax, [_data]
push esi
mov esi, eax
xor eax, eax
lodsw_
pop esi
mov [ebx + tiff_extra.bits_per_sample], eax
jmp .quit
.tag_103:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
lodsd
xor eax, eax
lodsw_
mov [ebx + tiff_extra.compression], eax
lodsw
jmp .quit
@@:
jmp .quit
.tag_106:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
lodsd
xor eax, eax
lodsw_
mov [ebx + tiff_extra.photometric], eax
lodsw
jmp .quit
@@:
jmp .quit
.tag_111:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
mov [ebx + tiff_extra.strip_offsets_length], TIFF.IFDE_TYPE_LENGTH.SHORT
jmp .tag_111.common
@@:
mov [ebx + tiff_extra.strip_offsets_length], TIFF.IFDE_TYPE_LENGTH.LONG
.tag_111.common:
lodsd_
mov [ebx + tiff_extra.offsets_number], eax
imul eax, [ebx+tiff_extra.strip_offsets_length]
cmp eax, 4
ja @f
mov [ebx + tiff_extra.strip_offsets], esi
lodsd
jmp .quit
@@:
lodsd_
add eax, [_data]
mov [ebx + tiff_extra.strip_offsets], eax
jmp .quit
.tag_115:
lodsd_
imul eax, TIFF.IFDE_TYPE_LENGTH.SHORT
cmp eax, 4
ja @f
xor eax, eax
lodsw_
mov [ebx + tiff_extra.samples_per_pixel], eax
lodsw
jmp .quit
@@:
lodsd_
add eax, [_data]
movzx eax, word[eax]
jmp .quit
.tag_116:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
lodsd
xor eax, eax
lodsw_
mov [ebx + tiff_extra.rows_per_strip], eax
lodsw
jmp .quit
@@:
lodsd
lodsd_
mov [ebx + tiff_extra.rows_per_strip], eax
jmp .quit
.tag_117:
cmp ax, TIFF.IFDE_TYPE.SHORT
jne @f
mov [ebx + tiff_extra.strip_byte_counts_length], TIFF.IFDE_TYPE_LENGTH.SHORT
jmp .tag_117.common
@@:
mov [ebx + tiff_extra.strip_byte_counts_length], TIFF.IFDE_TYPE_LENGTH.LONG
.tag_117.common:
lodsd_
imul eax, [ebx + tiff_extra.strip_byte_counts_length]
cmp eax, 4
ja @f
mov [ebx + tiff_extra.strip_byte_counts], esi
lodsd
jmp .quit
@@:
lodsd_
add eax, [_data]
mov [ebx + tiff_extra.strip_byte_counts], eax
jmp .quit
.tag_140:
lodsd
lodsd_
add eax, [_data]
mov [ebx + tiff_extra.palette], eax
jmp .quit
.quit:
pop edi edx ebx
ret
endp
proc tiff._.define_image_type
xor eax, eax
cmp [ebx + tiff_extra.bits_per_sample], 1
jg .not_bilevel
mov eax, Image.bpp1
jmp .quit
.not_bilevel:
cmp [ebx + tiff_extra.palette], 0
je .without_palette
cmp [ebx + tiff_extra.bits_per_sample], 4
jne @f
mov eax, Image.bpp4
jmp .quit
@@:
cmp [ebx + tiff_extra.bits_per_sample], 8
jne @f
mov eax, Image.bpp8
jmp .quit
@@:
jmp .quit
.without_palette:
cmp [ebx + tiff_extra.samples_per_pixel], 1
jg .not_grayscale
cmp [ebx + tiff_extra.bits_per_sample], 4
jne @f
mov eax, Image.bpp4
jmp .quit
@@:
cmp [ebx + tiff_extra.bits_per_sample], 8
jne @f
mov eax, Image.bpp8
jmp .quit
.not_grayscale:
cmp [ebx + tiff_extra.samples_per_pixel], 3
jne @f
mov eax, Image.bpp24
jmp .quit
@@:
jmp .quit
.quit:
ret
endp
proc tiff._.decompress.uncompressed _image
rep movsb
ret
endp
proc tiff._.decompress.packbits _image
push ebx ecx edx esi
mov edx, ecx
.decode:
lodsb
dec edx
cmp al, 0xff
jbe .different
cmp al, 0x80
jne .identical
test edx, edx
jz .quit
jmp .decode
.identical:
neg al
inc al
movzx ecx, al
dec edx
lodsb
rep stosb
test edx, edx
jnz .decode
jmp .quit
.different:
movzx ecx, al
inc ecx
sub edx, ecx
rep movsb
test edx, edx
jnz .decode
.quit:
pop esi edx ecx ebx
ret
endp
proc tiff._.decompress.ccitt1d _image
locals
current_tree rd 1
old_tree rd 1
width rd 1
height rd 1
width_left rd 1
is_makeup rd 1
endl
push ebx ecx edx esi
mov [is_makeup], 0
mov ebx, [_image]
push [ebx + Image.Height]
pop [height]
push [ebx + Image.Width]
pop [width]
mov edx, esi
.next_scanline:
push [width]
pop [width_left]
dec [height]
js .error
mov [current_tree], tiff._.huffman_tree_white.begin
mov [old_tree], tiff._.huffman_tree_black.begin
mov ebx, 0
mov ecx, 8
.next_run:
mov esi, [current_tree]
.branch:
lodsd
btr eax, 31
jnc .not_a_leaf
cmp eax, 63
seta byte[is_makeup]
ja @f
push [current_tree]
push [old_tree]
pop [current_tree]
pop [old_tree]
@@:
stdcall tiff._.write_run, [width_left], [current_tree]
mov [width_left], eax
test byte[is_makeup], 0x01
jnz .next_run
test eax, eax
jnz .next_run
jmp .next_scanline
.not_a_leaf:
test bh, bh
jnz @f
mov bl, byte[edx]
inc edx
mov bh, 8
@@:
test al, 0x02
jz .not_a_corner
dec bh
sal bl, 1
lahf
and ah, 0x03
cmp al, ah
jne .error
mov esi, [esi]
jmp .branch
.not_a_corner:
lodsd
dec bh
sal bl, 1
jc .branch
mov esi, eax
jmp .branch
.error:
.quit:
pop esi edx ecx ebx
ret
endp
proc tiff._.write_run _width_left, _current_tree
push ebx
test eax, eax
jz .done
sub [_width_left], eax
js .error
cmp esi, tiff._.huffman_tree_black.begin
seta bh
cmp ecx, eax
ja .one_byte
.many_bytes:
mov bl, [edi]
@@:
shl bl, 1
or bl, bh
dec eax
dec ecx
jnz @b
mov [edi], bl
inc edi
mov ecx, eax
and eax, 0x07
shr ecx, 3
push eax
xor eax, eax
test bh, bh
jz @f
dec al
@@:
rep stosb
pop eax
mov ecx, 8
test eax, eax
jz .done
.one_byte:
mov bl, [edi]
@@:
shl bl, 1
or bl, bh
dec ecx
dec eax
jnz @b
mov byte[edi], bl
cmp [_width_left], 0
jne .done
mov bl, [edi]
shl bl, cl
mov byte[edi], bl
inc edi
.done:
mov eax, [_width_left]
jmp .quit
.error:
.quit:
pop ebx
ret
endp
proc tiff._.get_word _endianness
lodsw
test [_endianness], 1
jnz @f
ret
@@:
xchg al, ah
ret
endp
proc tiff._.get_dword _endianness
lodsd
test [_endianness], 1
jnz @f
ret
@@:
bswap eax
ret
ret
endp
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
;! Below is private data you should never use directly from your code ;;
;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;;
;;================================================================================================;;
tiff.IFDE_tag_table.begin:
.tag_100: dd 0x0100, tiff._.parse_IFDE.tag_100 ; image width
.tag_101: dd 0x0101, tiff._.parse_IFDE.tag_101 ; image height (this is called 'length' in spec)
.tag_102: dd 0x0102, tiff._.parse_IFDE.tag_102 ; bits per sample
.tag_103: dd 0x0103, tiff._.parse_IFDE.tag_103 ; compression
.tag_106: dd 0x0106, tiff._.parse_IFDE.tag_106 ; photometric interpretation
.tag_111: dd 0x0111, tiff._.parse_IFDE.tag_111 ; strip offsets
.tag_115: dd 0x0115, tiff._.parse_IFDE.tag_115 ; samples per pixel
.tag_116: dd 0x0116, tiff._.parse_IFDE.tag_116 ; rows per strip
.tag_117: dd 0x0117, tiff._.parse_IFDE.tag_117 ; strip byte counts
.tag_140: dd 0x0140, tiff._.parse_IFDE.tag_140 ; color map
tiff.IFDE_tag_table.end:
include 'huffman.asm' ; huffman trees for ccitt1d compression method

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@ -0,0 +1,97 @@
;;================================================================================================;;
;;//// tiff.inc //// (c) dunkaist, 2011-2012 /////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
;; ;;
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; of the License, or (at your option) any later version. ;;
;; ;;
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; Lesser General Public License for more details. ;;
;; ;;
;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;;
;;================================================================================================;;
struct tiff_header
magic_1 rw 1
magic_2 rw 1
first_IFD rd 1
ends
struct tiff_extra
image_width rd 1 ; SHORT or LONG
image_height rd 1 ; SHORT or LONG
bits_per_sample rd 1 ; SHORT
samples_per_pixel rd 1 ; SHORT
compression rd 1 ; SHORT
photometric rd 1 ; SHORT
offsets_number rd 1
strip_offsets rd 1 ; SHORT or LONG
strip_offsets_length rd 1
rows_per_strip rd 1 ; SHORT or LONG
strip_byte_counts rd 1 ; LONG or SHORT
strip_byte_counts_length rd 1
palette rd 1 ; SHORT
palette_size rd 1 ; in colors, not samples
ends
TIFF.IFDE_TYPE.BYTE = 1
TIFF.IFDE_TYPE.ASCII = 2
TIFF.IFDE_TYPE.SHORT = 3
TIFF.IFDE_TYPE.LONG = 4
TIFF.IFDE_TYPE.RATIONAL = 5
TIFF.IFDE_TYPE.SBYTE = 6
TIFF.IFDE_TYPE.UNDEFINED = 7
TIFF.IFDE_TYPE.SSHORT = 8
TIFF.IFDE_TYPE.SLONG = 9
TIFF.IFDE_TYPE.SRATIONAL = 10
TIFF.IFDE_TYPE.FLOAT = 11
TIFF.IFDE_TYPE.DOUBLE = 12
TIFF.IFDE_TYPE_LENGTH.BYTE = 1
TIFF.IFDE_TYPE_LENGTH.ASCII = 1
TIFF.IFDE_TYPE_LENGTH.SHORT = 2
TIFF.IFDE_TYPE_LENGTH.LONG = 4
TIFF.IFDE_TYPE_LENGTH.RATIONAL = 8
TIFF.IFDE_TYPE_LENGTH.SBYTE = 1
TIFF.IFDE_TYPE_LENGTH.UNDEFINED = 1
TIFF.IFDE_TYPE_LENGTH.SSHORT = 2
TIFF.IFDE_TYPE_LENGTH.SLONG = 4
TIFF.IFDE_TYPE_LENGTH.SRATIONAL = 8
TIFF.IFDE_TYPE_LENGTH.FLOAT = 4
TIFF.IFDE_TYPE_LENGTH.DOUBLE = 8
TIFF.COMPRESSION.UNCOMPRESSED = 1
TIFF.COMPRESSION.CCITT1D = 2
TIFF.COMPRESSION.GROUP3FAX = 3
TIFF.COMPRESSION.GROUP4FAX = 4
TIFF.COMPRESSION.LZW = 5
TIFF.COMPRESSION.JPEG = 6
TIFF.COMPRESSION.PACKBITS = 32773
TIFF.PHOTOMETRIC.WHITE_IS_ZERO = 0
TIFF.PHOTOMETRIC.BLACK_IS_ZERO = 1
TIFF.PHOTOMETRIC.RGB = 2
TIFF.PHOTOMETRIC.RGB_PALETTE = 3
TIFF.PHOTOMETRIC.MASK = 4
TIFF.PHOTOMETRIC.CMYK = 5
TIFF.PHOTOMETRIC.YCbCr = 6
TIFF.PHOTOMETRIC.CIELAB = 8
macro lodsw_
{
stdcall tiff._.get_word, [_endianness]
}
macro lodsd_
{
stdcall tiff._.get_dword, [_endianness]
}

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@ -0,0 +1,821 @@
proc xcf._.blend_rgb
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
punpcklbw mm1, mm1
punpcklbw mm1, mm0
movq mm7, mm1
psrlw mm7, 7
paddw mm1, mm7
psubw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 3
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
ret
endp
proc xcf._.blend_gray
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
punpcklbw mm1, mm1
punpcklbw mm1, mm0
movq mm7, mm1
psrlw mm7, 7
paddw mm1, mm7
psubw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 1
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
ret
endp
proc xcf._.merge_32 _copy_width, _copy_height, _img_total_bpl, _bottom_total_bpl
.rgb_line:
mov ecx, [_copy_width]
.rgb_pixel:
mov ebx, [edi]
lodsd
movd mm2, ebx
movd mm3, eax
shr eax, 24
shr ebx, 16
cmp al, bh
jna @f
mov al, bh
@@:
pxor mm0, mm0
call edx
call xcf._.blend_rgb
stosd
dec ecx
jnz .rgb_pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .rgb_line
emms
ret
endp
proc xcf._.merge_8a _copy_width, _copy_height, _img_total_bpl, _bottom_total_bpl
.gray_line:
mov ecx, [_copy_width]
.gray_pixel:
mov bx, word[edi]
lodsw
movd mm2, ebx
movd mm3, eax
shr eax, 8
cmp al, bh
jna @f
mov al, bh
@@:
pxor mm0, mm0
call edx
call xcf._.blend_gray
stosw
dec ecx
jnz .gray_pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .gray_line
emms
ret
endp
proc xcf._.composite_rgb_00 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
.line:
mov ecx, [_copy_width]
.pixel:
mov ebx, [edi]
lodsd
movd mm2, ebx
movd mm3, eax
shr eax, 24
shr ebx, 16
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
pxor mm0, mm0
punpcklbw mm1, mm1
punpcklbw mm1, mm0
punpcklbw mm2, mm0
punpcklbw mm3, mm0
psubsw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 3
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
stosd
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
ret
endp
proc xcf._.composite_gray_00 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
.line:
mov ecx, [_copy_width]
.pixel:
mov bx, [edi]
lodsw
movd mm2, ebx
movd mm3, eax
shr eax, 8
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
pxor mm0, mm0
punpcklbw mm1, mm1
punpcklbw mm1, mm0
punpcklbw mm2, mm0
punpcklbw mm3, mm0
psubw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 1
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
stosw
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
ret
endp
proc xcf._.composite_indexed_00 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
.line:
mov ecx, [_copy_width]
.pixel:
mov bx, [edi]
lodsw
or ah, 0x7f
test ah, 0x80
jnz @f
mov ax, bx
@@:
stosw
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
ret
endp
proc xcf._.composite_rgb_01 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
pushad
pxor mm4, mm4
movd mm4, [xcf._.random_b]
movd mm1, [xcf._.random_a]
movd mm2, [xcf._.random_c]
.line:
mov ecx, [_copy_width]
.pixel:
mov ebx, [edi]
lodsd
movq mm0, mm4
pmuludq mm0, mm1
paddq mm0, mm2
movd edx, mm0
movd mm4, edx
pxor mm0, mm0
rol eax, 8
test al, al
jz @f
shr edx, 17
cmp dl, al
ja @f
ror eax, 8
or eax, 0xff000000
jmp .done
@@:
mov eax, ebx
.done:
stosd
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
.quit:
popad
ret
endp
proc xcf._.composite_gray_01 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
pushad
pxor mm4, mm4
movd mm4, [xcf._.random_b]
movd mm1, [xcf._.random_a]
movd mm2, [xcf._.random_c]
.line:
mov ecx, [_copy_width]
.pixel:
mov ebx, [edi]
lodsw
movq mm0, mm4
pmuludq mm0, mm1
paddq mm0, mm2
movd edx, mm0
movd mm4, edx
pxor mm0, mm0
test ah, ah
jz @f
shr edx, 17
cmp dl, ah
ja @f
or ax, 0xff00
jmp .done
@@:
mov eax, ebx
.done:
stosw
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
.quit:
popad
ret
endp
proc xcf._.composite_rgb_03 ; Multiply
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pmullw mm3, mm2
psrlw mm3, 8
ret
endp
proc xcf._.composite_rgb_04 ; Screen
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm5, [xcf._.mmx_00ff]
movq mm4, mm5
psubw mm4, mm2
psubw mm3, mm5
pmullw mm3, mm4
psrlw mm3, 8
paddw mm3, mm5
ret
endp
proc xcf._.composite_rgb_05 ; Overlay
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm4, [xcf._.mmx_00ff]
psubw mm4, mm2
pmullw mm3, mm4
psrlw mm3, 7
paddw mm3, mm2
pmullw mm3, mm2
psrlw mm3, 8
ret
endp
proc xcf._.composite_rgb_06 ; Difference
movq mm4, mm3
pminub mm4, mm2
pmaxub mm3, mm2
psubusb mm3, mm4
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc xcf._.composite_rgb_07 ; Addition
paddusb mm3, mm2
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc xcf._.composite_rgb_08 ; Subtract
movq mm4, mm2
psubusb mm4, mm3
movq mm3, mm4
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc xcf._.composite_rgb_09 ; Darken Only
pminub mm3, mm2
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc xcf._.composite_rgb_10 ; Lighten Only
pmaxub mm3, mm2
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc xcf._.composite_rgb_11 ; Hue (H of HSV)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call xcf._.rgb2hsv
xchg eax, ebx
call xcf._.rgb2hsv
xchg eax, ebx
test ah, ah
jnz @f
ror eax, 8
ror ebx, 8
mov ah, bh
rol eax, 8
rol ebx, 8
@@:
mov ax, bx
call xcf._.hsv2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc xcf._.composite_rgb_12 ; Saturation (S of HSV)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call xcf._.rgb2hsv
xchg eax, ebx
call xcf._.rgb2hsv
xchg eax, ebx
ror eax, 8
ror ebx, 8
mov ah, bh
rol eax, 8
rol ebx, 8
mov al, bl
call xcf._.hsv2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc xcf._.composite_rgb_13 ; Color (H and S of HSL)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call xcf._.rgb2hsl
xchg eax, ebx
call xcf._.rgb2hsl
xchg eax, ebx
mov al, bl
call xcf._.hsl2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc xcf._.composite_rgb_14 ; Value (V of HSV)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call xcf._.rgb2hsv
xchg eax, ebx
call xcf._.rgb2hsv
xchg eax, ebx
ror eax, 8
ror ebx, 8
mov ax, bx
rol eax, 8
rol ebx, 8
call xcf._.hsv2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc xcf._.composite_rgb_15 ; Divide
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
xchg eax, ebx
mov ecx, 3
.color:
rol eax, 8
rol ebx, 8
shl ax, 8
test bl, bl
jz .clamp1
cmp ah, bl
jae .clamp2
div bl
jmp .done
.clamp1:
mov al, 0xff
test ah, ah
jnz @f
not al
@@:
jmp .done
.clamp2:
mov al, 0xff
jmp .done
.done:
mov ah, al
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc xcf._.composite_rgb_16 ; Dodge
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
xchg eax, ebx
mov ecx, 3
.color:
rol eax, 8
rol ebx, 8
shl ax, 8
neg bl
add bl, 0xff
test bl, bl
jz .clamp1
cmp ah, bl
jae .clamp2
div bl
jmp .done
.clamp1:
mov al, 0xff
test ah, ah
jnz @f
not al
@@:
jmp .done
.clamp2:
mov al, 0xff
jmp .done
.done:
mov ah, al
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc xcf._.composite_rgb_17 ; Burn
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
xchg eax, ebx
mov ecx, 3
.color:
rol eax, 8
rol ebx, 8
shl ax, 8
neg ah
add ah, 0xff
test bl, bl
jz .clamp1
cmp ah, bl
jae .clamp2
div bl
jmp .done
.clamp1:
mov al, 0xff
test ah, ah
jnz @f
not al
@@:
jmp .done
.clamp2:
mov al, 0xff
jmp .done
.done:
mov ah, al
neg ah
add ah, 0xff
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc xcf._.composite_rgb_18 ; Hard Light
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
mov ecx, 3
.color:
rol eax, 8
rol ebx, 8
cmp al, 127
jna .part1
mov ah, 0xff
sub ah, bl
neg al
add al, 0xff
mul ah
shl ax, 1
neg ah
add ah, 0xff
jmp .done
.part1:
mul bl
shl ax, 1
.done:
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc xcf._.composite_rgb_20 ; Grain Extract
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm4, mm2
psubw mm3, [xcf._.mmx_0080]
psubw mm4, mm3
movq mm3, mm4
packuswb mm3, mm0
punpcklbw mm3, mm0
ret
endp
proc xcf._.composite_rgb_21 ; Grain Merge
punpcklbw mm2, mm0
punpcklbw mm3, mm0
paddw mm3, mm2
psubusw mm3, [xcf._.mmx_0080]
packuswb mm3, mm0
punpcklbw mm3, mm0
ret
endp
; starting numbers for pseudo-random number generator
xcf._.random_a dd 1103515245
xcf._.random_b dd 777
xcf._.random_c dd 12345
xcf._.mmx_0080 dq 0x0080008000800080
xcf._.mmx_00ff dq 0x00ff00ff00ff00ff
xcf._.mmx_0100 dq 0x0100010001000100

View File

@ -1,828 +0,0 @@
proc blend_rgb
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
; pxor mm0, mm0 ; already xor'ed in composite function
punpcklbw mm1, mm1
punpcklbw mm1, mm0
; punpcklbw mm3, mm0
movq mm7, mm1
psrlw mm7, 7
paddw mm1, mm7
psubw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 3
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
ret
endp
proc blend_gray
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
; pxor mm0, mm0 ; already xor'ed in composite function
punpcklbw mm1, mm1
punpcklbw mm1, mm0
; punpcklbw mm3, mm0
movq mm7, mm1
psrlw mm7, 7
paddw mm1, mm7
psubw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 1
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
ret
endp
proc merge_32 _copy_width, _copy_height, _img_total_bpl, _bottom_total_bpl
.rgb_line:
mov ecx, [_copy_width]
.rgb_pixel:
mov ebx, [edi]
lodsd
movd mm2, ebx
movd mm3, eax
shr eax, 24
shr ebx, 16
cmp al, bh
jna @f
mov al, bh
@@: pxor mm0, mm0
call edx
call blend_rgb
stosd
dec ecx
jnz .rgb_pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .rgb_line
emms
ret
endp
proc merge_8a _copy_width, _copy_height, _img_total_bpl, _bottom_total_bpl
.gray_line:
mov ecx, [_copy_width]
.gray_pixel:
mov bx, word[edi]
lodsw
movd mm2, ebx
movd mm3, eax
shr eax, 8
cmp al, bh
jna @f
mov al, bh
@@: pxor mm0, mm0
call edx
call blend_gray
stosw
dec ecx
jnz .gray_pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .gray_line
emms
ret
endp
proc composite_rgb_00 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
.line: mov ecx, [_copy_width]
.pixel: mov ebx, [edi]
lodsd
movd mm2, ebx
movd mm3, eax
shr eax, 24
shr ebx, 16
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
pxor mm0, mm0
punpcklbw mm1, mm1
punpcklbw mm1, mm0
punpcklbw mm2, mm0
punpcklbw mm3, mm0
psubsw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 3
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
stosd
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
ret
endp
proc composite_gray_00 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
.line: mov ecx, [_copy_width]
.pixel: mov bx, [edi]
lodsw
movd mm2, ebx
movd mm3, eax
shr eax, 8
xchg al, bh
mov ah, bh
neg ax
add ax, 0xffff
mul ah
neg ah
add ah, 0xff
xchg ah, bh
mov al, 0xff
cmp ah, bh
je @f
not al
div bh
@@:
mov ah, al
movd mm1, eax
pxor mm0, mm0
punpcklbw mm1, mm1
punpcklbw mm1, mm0
punpcklbw mm2, mm0
punpcklbw mm3, mm0
psubw mm3, mm2
pmullw mm3, mm1
psllw mm2, 8
paddw mm3, mm2
pinsrw mm3, ebx, 1
psrlw mm3, 8
packuswb mm3, mm0
movd eax, mm3
stosw
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
ret
endp
proc composite_indexed_00 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
.line: mov ecx, [_copy_width]
.pixel: mov bx, [edi]
lodsw
or ah, 0x7f
test ah, 0x80
jnz @f
mov ax, bx
@@: stosw
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
ret
endp
proc composite_rgb_01 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
pushad
pxor mm4, mm4
movd mm4, [random_b]
movd mm1, [random_a]
movd mm2, [random_c]
.line: mov ecx, [_copy_width]
.pixel: mov ebx, [edi]
lodsd
movq mm0, mm4
pmuludq mm0, mm1
paddq mm0, mm2
movd edx, mm0
movd mm4, edx
pxor mm0, mm0
rol eax, 8
test al, al
jz @f
shr edx, 17
cmp dl, al
ja @f
ror eax, 8
or eax, 0xff000000
jmp .done
@@: mov eax, ebx
.done: stosd
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
.quit: popad
ret
endp
proc composite_gray_01 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
pushad
pxor mm4, mm4
movd mm4, [random_b]
movd mm1, [random_a]
movd mm2, [random_c]
.line: mov ecx, [_copy_width]
.pixel: mov ebx, [edi]
lodsw
movq mm0, mm4
pmuludq mm0, mm1
paddq mm0, mm2
movd edx, mm0
movd mm4, edx
pxor mm0, mm0
test ah, ah
jz @f
shr edx, 17
cmp dl, ah
ja @f
or ax, 0xff00
jmp .done
@@: mov eax, ebx
.done: stosw
dec ecx
jnz .pixel
add esi, [_img_total_bpl]
add edi, [_bottom_total_bpl]
dec [_copy_height]
jnz .line
.quit: popad
ret
endp
;proc composite_indexed_01 _copy_width, _copy_height, _bottom_total_bpl, _img_total_bpl
; pushad
;
; pxor mm4, mm4
; movd mm4, [random_b]
; movd mm1, [random_a]
; movd mm2, [random_c]
;
;.line: mov ecx, [_copy_width]
;.pixel: mov ebx, [edi]
; lodsw
;
; movq mm0, mm4
; pmuludq mm0, mm1
; paddq mm0, mm2
; movd edx, mm0
; movd mm4, edx
; pxor mm0, mm0
;
; test ah, ah
; jz @f
; shr edx, 17
; cmp dl, ah
; ja @f
; or ax, 0xff00
; jmp .done
;@@: mov eax, ebx
;.done: stosw
; dec ecx
; jnz .pixel
; add esi, [_img_total_bpl]
; add edi, [_bottom_total_bpl]
; dec [_copy_height]
; jnz .line
;
;.quit: popad
; ret
;endp
proc composite_rgb_03 ; Multiply
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pmullw mm3, mm2
psrlw mm3, 8
ret
endp
proc composite_rgb_04 ; Screen
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm4, [mmx_00ff]
movq mm5, mm4
psubw mm4, mm2
psubw mm5, mm3
pmullw mm4, mm5
psrlw mm4, 8
movq mm3, [mmx_00ff]
psubw mm3, mm4
ret
endp
proc composite_rgb_05 ; Overlay
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm4, [mmx_00ff]
psubw mm4, mm2
pmullw mm3, mm4
psrlw mm3, 7
paddw mm3, mm2
pmullw mm3, mm2
psrlw mm3, 8
ret
endp
proc composite_rgb_06 ; Difference
movq mm4, mm3
pminub mm4, mm2
pmaxub mm3, mm2
psubusb mm3, mm4
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc composite_rgb_07 ; Addition
paddusb mm3, mm2
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc composite_rgb_08 ; Subtract
movq mm4, mm2
psubusb mm4, mm3
movq mm3, mm4
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc composite_rgb_09 ; Darken Only
pminub mm3, mm2
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc composite_rgb_10 ; Lighten Only
pmaxub mm3, mm2
punpcklbw mm2, mm0
punpcklbw mm3, mm0
ret
endp
proc composite_rgb_11 ; Hue (H of HSV)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call pixel_rgb2hsv
xchg eax, ebx
call pixel_rgb2hsv
xchg eax, ebx
test ah, ah
jnz @f
ror eax, 8
ror ebx, 8
mov ah, bh
rol eax, 8
rol ebx, 8
@@:
mov ax, bx
call pixel_hsv2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc composite_rgb_12 ; Saturation (S of HSV)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call pixel_rgb2hsv
xchg eax, ebx
call pixel_rgb2hsv
xchg eax, ebx
ror eax, 8
ror ebx, 8
mov ah, bh
rol eax, 8
rol ebx, 8
mov al, bl
call pixel_hsv2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc composite_rgb_13 ; Color (H and S of HSL)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call pixel_rgb2hsl
xchg eax, ebx
call pixel_rgb2hsl
xchg eax, ebx
mov al, bl
call pixel_hsl2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc composite_rgb_14 ; Value (V of HSV)
push eax ebx ecx edx
movd eax, mm3
movd ebx, mm2
call pixel_rgb2hsv
xchg eax, ebx
call pixel_rgb2hsv
xchg eax, ebx
ror eax, 8
ror ebx, 8
mov ax, bx
rol eax, 8
rol ebx, 8
call pixel_hsv2rgb
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
.quit:
pop edx ecx ebx eax
ret
endp
proc composite_rgb_15 ; Divide
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
xchg eax, ebx
mov ecx, 3
.color: rol eax, 8
rol ebx, 8
shl ax, 8
test bl, bl
jz .clamp1
cmp ah, bl
jae .clamp2
div bl
jmp .done
.clamp1:mov al, 0xff
test ah, ah
jnz @f
not al
@@: jmp .done
.clamp2:mov al, 0xff
jmp .done
.done: mov ah, al
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc composite_rgb_16 ; Dodge
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
xchg eax, ebx
mov ecx, 3
.color: rol eax, 8
rol ebx, 8
shl ax, 8
neg bl
add bl, 0xff
test bl, bl
jz .clamp1
cmp ah, bl
jae .clamp2
div bl
jmp .done
.clamp1:mov al, 0xff
test ah, ah
jnz @f
not al
@@: jmp .done
.clamp2:mov al, 0xff
jmp .done
.done: mov ah, al
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc composite_rgb_17 ; Burn
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
xchg eax, ebx
mov ecx, 3
.color: rol eax, 8
rol ebx, 8
shl ax, 8
neg ah
add ah, 0xff
test bl, bl
jz .clamp1
cmp ah, bl
jae .clamp2
div bl
jmp .done
.clamp1:mov al, 0xff
test ah, ah
jnz @f
not al
@@: jmp .done
.clamp2:mov al, 0xff
jmp .done
.done: mov ah, al
neg ah
add ah, 0xff
loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc composite_rgb_18 ; Hard Light
push eax ebx ecx
movd eax, mm3
movd ebx, mm2
rol eax, 8
rol ebx, 8
mov ecx, 3
.color: rol eax, 8
rol ebx, 8
cmp al, 127
jna .part1
mov ah, 0xff
sub ah, bl
neg al
add al, 0xff
mul ah
shl ax, 1
neg ah
add ah, 0xff
jmp .done
.part1:
mul bl
shl ax, 1
.done: loop .color
ror eax, 8
movd mm3, eax
punpcklbw mm2, mm0
punpcklbw mm3, mm0
pop ecx ebx eax
ret
endp
proc composite_rgb_20 ; Grain Extract
movq mm4, [mmx_0080]
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm5, mm2
psubw mm3, mm4
psubsw mm5, mm3
packuswb mm5, mm0
punpcklbw mm5, mm0
movq mm3, mm5
ret
endp
proc composite_rgb_21 ; Grain Merge
movq mm4, [mmx_0080]
punpcklbw mm2, mm0
punpcklbw mm3, mm0
movq mm5, mm2
psubw mm5, mm4
paddsw mm3, mm5
packuswb mm3, mm0
punpcklbw mm3, mm0
ret
endp
mmx_0080 dq 0x0080008000800080
mmx_00ff dq 0x00ff00ff00ff00ff
mmx_0100 dq 0x0100010001000100

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@ -1,5 +1,5 @@
;;================================================================================================;;
;;//// xcf.inc //// (c) dunkaist, 2011 ///////////////////////////////////////////////////////////;;
;;//// xcf.inc //// (c) dunkaist, 2011-2012 //////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;;
@ -17,26 +17,26 @@
;; ;;
;;================================================================================================;;
struct xcf_header
magic_string rb 9
version rd 1
reserved rb 1
width rd 1
height rd 1
base_type rd 1
XCF_BASETYPE_RGB = 0
XCF_BASETYPE_GRAY = 1
XCF_BASETYPE_INDEXED = 2
struct xcf_header
magic_string rb 9
version rd 1
reserved rb 1
width rd 1
height rd 1
base_type rd 1
ends
XCF_BASETYPE_RGB equ 0
XCF_BASETYPE_GRAY equ 1
XCF_BASETYPE_INDEXED equ 2
struct xcf_ext
visible rd 1
layer_mode rd 1
offset_x rd 1
offset_y rd 1
opacity rd 1
apply_mask rd 1
type rd 1
planes rd 1
ends
struct xcf_ext
visible rd 1
layer_mode rd 1
offset_x rd 1
offset_y rd 1
opacity rd 1
apply_mask rd 1
type rd 1
planes rd 1
ends