Sweetbread/kolibrios
1
0
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Activity

libimg: bmp support improved, jpeg support added

Browse Source 
git-svn-id: svn://kolibrios.org@999 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Evgeny Grechnikov (Diamond) 2009-01-25 18:12:30 +00:00
parent 0be9a1a504
commit e2b2bba7ba
9 changed files with 3213 additions and 291 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

514
programs/develop/libraries/libs-dev/libimg/bmp/bmp.asm
View File

@ -1,19 +1,19 @@
;;================================================================================================;; ;;================================================================================================;;
;;//// bmp.asm //// (c) mike.dld, 2007-2008 //////////////////////////////////////////////////////;; ;;//// bmp.asm //// (c) mike.dld, 2007-2008, (c) diamond, 2009 ///////////////////////////////////;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;
@ -28,7 +28,8 @@
include 'bmp.inc' include 'bmp.inc'
;;================================================================================================;; ;;================================================================================================;;
proc img.is.bmp _data, _length ;//////////////////////////////////////////////////////////////////;; ;;proc img.is.bmp _data, _length ;////////////////////////////////////////////////////////////////;;
img.is.bmp:
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
;? Determine if raw data could be decoded (is in BMP format) ;; ;? Determine if raw data could be decoded (is in BMP format) ;;
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
@ -37,21 +38,23 @@ proc img.is.bmp _data, _length ;////////////////////////////////////////////////
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
;< eax = false / true ;; ;< eax = false / true ;;
;;================================================================================================;; ;;================================================================================================;;
cmp [_length], 2 ; test 1 (length of data): data must contain FileHeader and required fields from InfoHeader
cmp dword [esp+8], sizeof.bmp.FileHeader + 12
jb .nope jb .nope
mov eax, [_data] ; test 2: signature
cmp word[eax], 'BM' mov eax, [esp+4]
cmp word [eax], 'BM'
je .yep je .yep
.nope: .nope:
xor eax, eax xor eax, eax
ret ret 8
.yep: .yep:
xor eax,eax xor eax, eax
inc eax inc eax
ret ret 8
endp ;endp
;;================================================================================================;; ;;================================================================================================;;
proc img.decode.bmp _data, _length ;//////////////////////////////////////////////////////////////;; proc img.decode.bmp _data, _length ;//////////////////////////////////////////////////////////////;;
@ -65,13 +68,15 @@ proc img.decode.bmp _data, _length ;////////////////////////////////////////////
;;================================================================================================;; ;;================================================================================================;;
locals locals
img dd ? img dd ?
bTopDown db ?
endl endl
push ebx push ebx esi edi
stdcall img.is.bmp, [_data], [_length] ; img.is.bmp has been already called by img.decode
or eax, eax ; stdcall img.is.bmp, [_data], [_length]
jz .error ; or eax, eax
; jz .error
mov ebx, [_data] mov ebx, [_data]
; cmp [ebx + bmp.Header.info.Compression], bmp.BI_RGB ; cmp [ebx + bmp.Header.info.Compression], bmp.BI_RGB
@ -79,8 +84,60 @@ endl
; mov eax, [ebx + bmp.Header.file.Size] ; mov eax, [ebx + bmp.Header.file.Size]
; cmp eax, [_length] ; cmp eax, [_length]
; jne .error ; jne .error
; @@:
mov eax, [ebx + bmp.Header.info.Size]
; sanity check: file length must be greater than size of headers
add eax, sizeof.bmp.FileHeader
cmp [_length], eax
jbe .error
mov [bTopDown], 0
cmp eax, sizeof.bmp.FileHeader + 12
jz .old1
cmp eax, sizeof.bmp.FileHeader + 40
jz .normal
cmp eax, sizeof.bmp.FileHeader + 56
jnz .error
; convert images with <= 8 bpp to 8bpp, other - to 32 bpp
.normal:
xor eax, eax
inc eax ; Image.bpp8
cmp [ebx + bmp.Header.info.BitCount], 8
jbe @f
mov al, Image.bpp32
@@:
push eax
mov eax, [ebx + bmp.Header.info.Height]
test eax, eax
jns @f
inc [bTopDown]
neg eax
@@:
pushd eax
pushd [ebx + bmp.Header.info.Width]
jmp .create
.old1:
xor eax, eax
inc eax ; Image.bpp8
cmp [ebx + bmp.Header.info.OldBitCount], 8
jbe @f
mov al, Image.bpp32
@@:
push eax
movsx eax, [ebx + bmp.Header.info.OldHeight]
test eax, eax
jns @f
inc [bTopDown]
neg eax
@@:
push eax
movzx eax, [ebx + bmp.Header.info.OldWidth]
push eax
.create:
call img.create
@@: stdcall img.create, [ebx + bmp.Header.info.Width], [ebx + bmp.Header.info.Height]
or eax, eax or eax, eax
jz .error jz .error
mov [img], eax mov [img], eax
@ -88,52 +145,87 @@ endl
invoke mem.alloc, sizeof.bmp.Image invoke mem.alloc, sizeof.bmp.Image
or eax, eax or eax, eax
jz .error jz .error.free
mov [edx + Image.Extended], eax mov [edx + Image.Extended], eax
mov esi, ebx push eax
add esi, sizeof.bmp.FileHeader
mov edi, eax mov edi, eax
mov ecx, sizeof.bmp.InfoHeader mov ecx, sizeof.bmp.Image/4
xor eax, eax
rep stosd
pop edi
lea esi, [ebx + sizeof.bmp.FileHeader]
pushd [ebx + bmp.FileHeader.OffBits]
mov ecx, [esi + bmp.InfoHeader.Size]
cmp ecx, 12
jz .old2
rep movsb rep movsb
jmp .decode
.old2:
movsd ; Size
movzx eax, word [esi] ; OldWidth -> Width
stosd
movsx eax, word [esi+2] ; OldHeight -> Height
stosd
lodsd ; skip OldWidth+OldHeight
movsd ; Planes+BitCount
.decode:
mov eax, [ebx + bmp.Header.info.Compression] pop eax
mov esi, [_length]
sub esi, eax
jbe .error.free
mov eax, [edx + Image.Extended]
mov eax, [eax + bmp.Image.info.Compression]
cmp eax, bmp.BI_RGB cmp eax, bmp.BI_RGB
jne @f jne @f
stdcall ._.rgb stdcall ._.rgb
jmp .decoded jmp .decoded
@@: cmp eax, bmp.BI_RLE8 @@: cmp eax, bmp.BI_RLE8
jne @f jne @f
cmp [ebx + bmp.Header.info.BitCount], 8
jnz .error.free
stdcall ._.rle stdcall ._.rle
jmp .decoded jmp .decoded
@@: cmp eax, bmp.BI_RLE4 @@: cmp eax, bmp.BI_RLE4
jne @f jne @f
cmp [ebx + bmp.Header.info.BitCount], 4
jnz .error.free
stdcall ._.rle stdcall ._.rle
jmp .decoded jmp .decoded
@@: cmp eax, bmp.BI_BITFIELDS @@: cmp eax, bmp.BI_BITFIELDS
jne @f jne .error.free
stdcall ._.bitfields stdcall ._.bitfields
jmp .decoded jmp .decoded
@@: cmp eax, bmp.BI_JPEG ; BI_JPEG and BI_PNG constants are not valid values for BMP file,
jne @f ; they are intended for WinAPI
stdcall ._.jpeg ; @@: cmp eax, bmp.BI_JPEG
jmp .decoded ; jne @f
@@: cmp eax, bmp.BI_PNG ; stdcall ._.jpeg
jne .error ; jmp .decoded
stdcall ._.png ; @@: cmp eax, bmp.BI_PNG
; jne .error
; stdcall ._.png
.decoded: .decoded:
or eax, eax or eax, eax
jz @f jz @f
.error.free:
stdcall img.destroy, [img] stdcall img.destroy, [img]
jmp .error jmp .error
@@: stdcall img.flip, [img], FLIP_VERTICAL @@:
cmp [bTopDown], 0
jnz @f
stdcall img.flip, [img], FLIP_VERTICAL
@@:
mov eax, [img] mov eax, [img]
pop edi esi ebx
ret ret
.error: .error:
xor eax, eax xor eax, eax
pop ebx pop edi esi ebx
ret ret
endp endp
@ -175,7 +267,7 @@ proc img.decode.bmp._.rgb ;/////////////////////////////////////////////////////
mov [ecx + bmp.Image.info.AlphaMask], 0 mov [ecx + bmp.Image.info.AlphaMask], 0
mov edi, [edx + Image.Data] mov edi, [edx + Image.Data]
movzx eax, [ebx + bmp.Header.info.BitCount] movzx eax, [ecx + bmp.Image.info.BitCount]
cmp eax, 32 cmp eax, 32
je .32bpp je .32bpp
cmp eax, 24 cmp eax, 24
@ -202,13 +294,19 @@ img.decode.bmp._.rgb.32bpp:
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
img.decode.bmp._.rgb.24bpp: img.decode.bmp._.rgb.24bpp:
mov eax, [edx + Image.Width]
lea eax, [eax*3 + 3]
and eax, not 3
mov ecx, [edx + Image.Height]
imul eax, ecx
cmp esi, eax
jb img.decode.bmp._.rgb.error
mov esi, ebx mov esi, ebx
add esi, [ebx + bmp.Header.file.OffBits] add esi, [ebx + bmp.Header.file.OffBits]
mov ecx, [ebx + bmp.Header.info.Height]
.next_line: .next_line:
push ecx push ecx edx
mov ecx, [ebx + bmp.Header.info.Width] mov ecx, [edx + Image.Width]
xor edx, edx xor edx, edx
.next_line_pixel: .next_line_pixel:
@ -220,7 +318,7 @@ img.decode.bmp._.rgb.24bpp:
and edx, 0x03 and edx, 0x03
add esi, edx add esi, edx
pop ecx pop edx ecx
dec ecx dec ecx
jnz .next_line jnz .next_line
@ -238,22 +336,19 @@ img.decode.bmp._.rgb.16bpp:
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
img.decode.bmp._.rgb.8bpp: img.decode.bmp._.rgb.8bpp:
mov esi, ebx mov eax, [edx + Image.Width]
add esi, [ebx + bmp.Header.file.OffBits] add eax, 3
mov ecx, [ebx + bmp.Header.info.Height] call img.decode.bmp._.rgb.prepare_palette
jc img.decode.bmp._.rgb.error
.next_line: .next_line:
push ecx push ecx
mov ecx, [ebx + bmp.Header.info.Width] mov ecx, [edx + Image.Width]
mov eax, ecx
.next_line_dword: neg eax
lodsb and eax, 3
and eax, 0x000000FF rep movsb
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette] add esi, eax
stosd
dec ecx
jnz .next_line_dword
pop ecx pop ecx
dec ecx dec ecx
jnz .next_line jnz .next_line
@ -263,13 +358,15 @@ img.decode.bmp._.rgb.8bpp:
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
img.decode.bmp._.rgb.4bpp: img.decode.bmp._.rgb.4bpp:
mov esi, ebx mov eax, [edx + Image.Width]
add esi, [ebx + bmp.Header.file.OffBits] add eax, 7
mov ecx, [ebx + bmp.Header.info.Height] shr eax, 1
call img.decode.bmp._.rgb.prepare_palette
jc img.decode.bmp._.rgb.error
.next_line: .next_line:
push ecx push ecx edx
mov ecx, [ebx + bmp.Header.info.Width] mov ecx, [edx + Image.Width]
.next_line_dword: .next_line_dword:
push ecx push ecx
@ -281,9 +378,8 @@ img.decode.bmp._.rgb.4bpp:
.next_pixel: .next_pixel:
rol edx, 4 rol edx, 4
mov al, dl mov al, dl
and eax, 0x0000000F and al, 0x0000000F
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette] stosb
stosd
dec dword[esp] dec dword[esp]
jz @f jz @f
dec ecx dec ecx
@ -293,7 +389,7 @@ img.decode.bmp._.rgb.4bpp:
or ecx, ecx or ecx, ecx
jnz .next_line_dword jnz .next_line_dword
pop ecx pop edx ecx
dec ecx dec ecx
jnz .next_line jnz .next_line
@ -302,13 +398,15 @@ img.decode.bmp._.rgb.4bpp:
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
img.decode.bmp._.rgb.1bpp: img.decode.bmp._.rgb.1bpp:
mov esi, ebx mov eax, [edx + Image.Width]
add esi, [ebx + bmp.Header.file.OffBits] add eax, 31
mov ecx, [ebx + bmp.Header.info.Height] shr eax, 3
call img.decode.bmp._.rgb.prepare_palette
jc img.decode.bmp._.rgb.error
.next_line: .next_line:
push ecx push ecx edx
mov ecx, [ebx + bmp.Header.info.Width] mov ecx, [edx + Image.Width]
.next_line_dword: .next_line_dword:
push ecx push ecx
@ -320,9 +418,8 @@ img.decode.bmp._.rgb.1bpp:
.next_pixel: .next_pixel:
rol edx, 1 rol edx, 1
mov al, dl mov al, dl
and eax, 0x00000001 and al, 0x00000001
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette] stosb
stosd
dec dword[esp] dec dword[esp]
jz @f jz @f
dec ecx dec ecx
@ -332,7 +429,7 @@ img.decode.bmp._.rgb.1bpp:
or ecx, ecx or ecx, ecx
jnz .next_line_dword jnz .next_line_dword
pop ecx pop edx ecx
dec ecx dec ecx
jnz .next_line jnz .next_line
@ -347,6 +444,48 @@ img.decode.bmp._.rgb.1bpp:
img.decode.bmp._.rgb.error: img.decode.bmp._.rgb.error:
or eax, -1 or eax, -1
ret ret
img.decode.bmp._.rgb.prepare_palette:
and eax, not 3
mov ecx, [edx + Image.Height]
imul eax, ecx
cmp esi, eax
jb .ret
mov esi, [ebx + bmp.Header.info.Size]
add esi, sizeof.bmp.FileHeader
jc .ret
mov eax, [ebx + bmp.Header.file.OffBits]
sub eax, esi
jc .ret
push edi
mov edi, [edx + Image.Palette]
push ecx
mov ecx, 256
cmp esi, sizeof.bmp.FileHeader + 12
jz .old
shr eax, 2
add esi, ebx
cmp ecx, eax
jb @f
mov ecx, eax
@@:
rep movsd
jmp .common
.old:
movsd
dec esi
sub eax, 3
jbe @f
sub ecx, 1
jnz .old
@@:
.common:
pop ecx
pop edi
mov esi, ebx
add esi, [ebx + bmp.Header.file.OffBits]
.ret:
ret
endp endp
;;================================================================================================;; ;;================================================================================================;;
@ -365,27 +504,35 @@ locals
marker_y dd ? marker_y dd ?
abs_mode_addr dd ? abs_mode_addr dd ?
enc_mode_addr dd ? enc_mode_addr dd ?
height dd ?
endl endl
mov edi, [edx + Image.Data]
mov [abs_mode_addr], .absolute_mode.rle8 mov [abs_mode_addr], .absolute_mode.rle8
mov [enc_mode_addr], .encoded_mode.rle8 mov [enc_mode_addr], .encoded_mode.rle8
cmp [ebx + bmp.Header.info.Compression], bmp.BI_RLE4 cmp [ebx + bmp.Header.info.Compression], bmp.BI_RLE4
jne @f jne @f
mov [abs_mode_addr], .absolute_mode.rle4 mov [abs_mode_addr], .absolute_mode.rle4
mov [enc_mode_addr], .encoded_mode.rle4 mov [enc_mode_addr], .encoded_mode.rle4
@@:
push esi
xor eax, eax ; do not check file size in .prepare_palette
call img.decode.bmp._.rgb.prepare_palette
pop ecx ; ecx = rest bytes in file
jc .error
@@: mov esi, ebx
add esi, [ebx + bmp.Header.file.OffBits]
mov eax, [edx + Image.Width] mov eax, [edx + Image.Width]
shl eax, 2
mov [scanline_len], eax mov [scanline_len], eax
mov eax, [edx + Image.Height]
mov [height], eax
xor eax, eax xor eax, eax
mov [marker_x], eax mov [marker_x], eax
mov [marker_y], eax mov [marker_y], eax
mov edi, [edx + Image.Data]
.next_run: .next_run:
sub ecx, 1
jc .eof
xor eax, eax xor eax, eax
lodsb lodsb
or al, al or al, al
@ -393,6 +540,8 @@ endl
jmp [enc_mode_addr] jmp [enc_mode_addr]
.escape_mode: .escape_mode:
sub ecx, 1
jc .eof
lodsb lodsb
cmp al, 0 cmp al, 0
je .end_of_scanline je .end_of_scanline
@ -403,29 +552,30 @@ endl
jmp [abs_mode_addr] jmp [abs_mode_addr]
.end_of_scanline: ; 0 .end_of_scanline: ; 0
mov eax, [marker_x] sub edi, [marker_x]
shl eax, 2 add edi, [scanline_len]
neg eax
add eax, [scanline_len]
add edi, eax
mov [marker_x], 0 mov [marker_x], 0
inc [marker_y] mov eax, [marker_y]
jmp .next_run inc eax
mov [marker_y], eax
cmp eax, [height]
jb .next_run
jmp .exit
.offset_marker: ; 2: dx, dy .offset_marker: ; 2: dx, dy
sub ecx, 2
jc .eof
lodsb lodsb
mov edx, [marker_x] mov edx, [marker_x]
add edx, eax add edx, eax
cmp edx, [ebx + bmp.Header.info.Width] cmp edx, [scanline_len]
jae .exit jae .exit
mov [marker_x], edx mov [marker_x], edx
shl eax, 2
add edi, eax add edi, eax
lodsb lodsb
and eax, 0x0FF
mov edx, [marker_y] mov edx, [marker_y]
add edx, eax add edx, eax
cmp edx, [ebx + bmp.Header.info.Height] cmp edx, [height]
jae .exit jae .exit
mov [marker_y], edx mov [marker_y], edx
imul eax, [scanline_len] imul eax, [scanline_len]
@ -433,90 +583,112 @@ endl
jmp .next_run jmp .next_run
.encoded_mode.rle8: ; N: b1 * N .encoded_mode.rle8: ; N: b1 * N
mov edx, eax call .fix_marker
sub ecx, 1
jc .eof
lodsb lodsb
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette] push ecx
@@: dec edx mov ecx, edx
js .fix_marker rep stosb
stosd pop ecx
inc [marker_x] jmp .check_eoi
jmp @b
.absolute_mode.rle8: ; N: b1 .. bN .absolute_mode.rle8: ; N: b1 .. bN
mov edx, eax call .fix_marker
push eax cmp ecx, edx
@@: dec edx jae @f
js @f mov edx, ecx
lodsb @@:
and eax, 0x0FF push ecx
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette] mov ecx, edx
stosd rep movsb
inc [marker_x] pop ecx
jmp @b sub ecx, edx
@@: pop eax jz .eof
test eax, 1 test edx, 1
jz .fix_marker jz .check_eoi
sub ecx, 1
jc .eof
inc esi inc esi
jmp .fix_marker .check_eoi:
mov eax, [marker_y]
cmp eax, [height]
jb .next_run
jmp .exit
.encoded_mode.rle4: ; N: b1 * N .encoded_mode.rle4: ; N: b1 * N
mov edx, eax call .fix_marker
lodsb sub ecx, 1
jc .eof
movzx eax, byte [esi]
inc esi
push ecx
mov ecx, eax mov ecx, eax
and eax, 0xF
shr ecx, 4 shr ecx, 4
mov ecx, [ebx + ecx * 4 + bmp.Header.info.Palette] @@:
and eax, 0x00F
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette]
@@: dec edx
js .fix_marker
test edx, 1
jz .odd
mov [edi], ecx
add edi, 4
inc [marker_x]
jmp @b
.odd:
stosd
inc [marker_x]
jmp @b
.absolute_mode.rle4: ; N: b1 .. bN
mov edx, eax
push eax
@@: dec edx
js @f
lodsb
and eax, 0x0FF
mov ecx, eax
shr eax, 4
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette]
stosd
inc [marker_x]
dec edx dec edx
js @f js @f
mov eax, ecx mov [edi], cl
and eax, 0x00F dec edx
mov eax, [ebx + eax * 4 + bmp.Header.info.Palette] js @f
stosd mov [edi+1], al
inc [marker_x] add edi, 2
jmp @b jmp @b
@@: pop eax @@:
pop ecx
jmp .check_eoi
.absolute_mode.rle4: ; N: b1 .. bN
call .fix_marker
lea eax, [edx+1]
shr eax, 1
cmp ecx, eax
jbe @f
lea edx, [ecx*2]
@@:
push ecx edx
@@: dec edx
js @f
lodsb
mov cl, al
shr al, 4
and cl, 0xF
stosb
dec edx
js @f
mov [edi], cl
inc edi
jmp @b
@@: pop eax ecx
and eax, 0x03 and eax, 0x03
jz .fix_marker jp .check_eoi
cmp eax, 3 sub ecx, 1
je .fix_marker jc .eof
inc esi inc esi
jmp .fix_marker jmp .check_eoi
.fix_marker: .fix_marker:
mov eax, [marker_x] mov edx, eax
@@: sub eax, [ebx + bmp.Header.info.Width] add eax, [marker_x]
jle .next_run
mov [marker_x], eax mov [marker_x], eax
inc [marker_y] @@:
jmp @b sub eax, [scanline_len]
jle @f
mov [marker_x], eax
push eax
mov eax, [marker_y]
inc eax
mov [marker_y], eax
cmp eax, [height]
pop eax
jb @b
sub edx, eax
@@:
retn
.exit: .exit:
.eof:
xor eax, eax xor eax, eax
ret ret
@ -542,8 +714,23 @@ locals
delta dd ? delta dd ?
endl endl
push esi edi push edi
mov esi, [edx + Image.Extended]
mov [delta], 4
mov eax, [edx + Image.Extended]
cmp [eax + bmp.Image.info.BitCount], 32
je @f
cmp [eax + bmp.Image.info.BitCount], 16
jne .error
mov [delta], 2
@@:
mov ecx, [edx + Image.Width]
imul ecx, [edx + Image.Height]
imul ecx, [delta]
cmp esi, ecx
jb .error
mov esi, eax
mov ecx, [esi + bmp.Image.info.RedMask] mov ecx, [esi + bmp.Image.info.RedMask]
call .calc_shift call .calc_shift
@ -577,17 +764,9 @@ endl
mov esi, ebx mov esi, ebx
add esi, [ebx + bmp.Header.file.OffBits] add esi, [ebx + bmp.Header.file.OffBits]
mov [delta], 4
movzx eax, [ebx + bmp.Header.info.BitCount]
cmp eax, 32
je @f
cmp eax, 16
jne .error
mov [delta], 2
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
@@: mov ecx, [edx + Image.Height] mov ecx, [edx + Image.Height]
.next_line: .next_line:
push ecx push ecx
@ -642,12 +821,12 @@ endl
.exit: .exit:
xor eax, eax xor eax, eax
pop edi esi pop edi
ret ret
.error: .error:
or eax, -1 or eax, -1
pop edi esi pop edi
ret ret
.calc_shift: .calc_shift:
@ -678,6 +857,7 @@ endl
retn retn
endp endp
if 0
;;================================================================================================;; ;;================================================================================================;;
proc img.decode.bmp._.jpeg ;//////////////////////////////////////////////////////////////////////;; proc img.decode.bmp._.jpeg ;//////////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
@ -705,7 +885,7 @@ proc img.decode.bmp._.png ;/////////////////////////////////////////////////////
xor eax, eax xor eax, eax
ret ret
endp endp
end if
;;================================================================================================;; ;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;; ;;////////////////////////////////////////////////////////////////////////////////////////////////;;

30
programs/develop/libraries/libs-dev/libimg/bmp/bmp.inc
View File

@ -1,19 +1,19 @@
;;================================================================================================;; ;;================================================================================================;;
;;//// bmp.inc //// (c) mike.dld, 2007-2008 //////////////////////////////////////////////////////;; ;;//// bmp.inc //// (c) mike.dld, 2007-2008, (c) diamond, 2009 ///////////////////////////////////;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;
@ -28,10 +28,20 @@ ends
struct bmp.InfoHeader struct bmp.InfoHeader
; v2 (Windows 2.x) ; v2 (Windows 2.x)
Size dd ? ; Size of this header in bytes Size dd ? ; Size of this header in bytes
Width dd ? ; Image width in pixels union
Height dd ? ; Image height in pixels struct ; new format
Planes dw ? ; Number of color planes Width dd ? ; Image width in pixels
BitCount dw ? ; Number of bits per pixel Height dd ? ; Image height in pixels
Planes dw ? ; Number of color planes
BitCount dw ? ; Number of bits per pixel
ends
struct ; old format
OldWidth dw ? ; Image width in pixels as word
OldHeight dw ? ; Image height in pixels as word
OldPlanes dw ? ; Number of color planes
OldBitCount dw ? ; Number of bits per pixel
ends
ends
; v3 (Windows 3.x) ; v3 (Windows 3.x)
Compression dd ? ; Compression method used Compression dd ? ; Compression method used
SizeImage dd ? ; Size of bitmap in bytes SizeImage dd ? ; Size of bitmap in bytes

10
programs/develop/libraries/libs-dev/libimg/bmp/ico.asm
View File

@ -5,15 +5,15 @@
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;

102
programs/develop/libraries/libs-dev/libimg/gif/gif.asm
View File

@ -7,15 +7,15 @@
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;
@ -84,20 +84,18 @@ proc img.decode.gif _data, _length ;////////////////////////////////////////////
locals locals
img dd ? img dd ?
global_color_table dd ? global_color_table dd ?
global_color_table_size dd ?
endl endl
push ebx push ebx
stdcall img.is.gif, [_data], [_length] ; img.is.gif is called by caller (img.decode)
or eax, eax ; stdcall img.is.gif, [_data], [_length]
jz .error ; or eax, eax
; jz .error
mov [global_color_table_size], 0
mov ebx, [_data] mov ebx, [_data]
; cmp [ebx + bmp.Header.info.Compression], bmp.BI_RGB
; je @f
; mov eax, [ebx + bmp.Header.file.Size]
; cmp eax, [_length]
; jne .error
test [ebx + gif.Header.lsd.Packed], gif.LSD.Packed.GlobalColorTableFlag test [ebx + gif.Header.lsd.Packed], gif.LSD.Packed.GlobalColorTableFlag
jz @f jz @f
@ -106,9 +104,9 @@ endl
mov cl, [ebx + gif.Header.lsd.Packed] mov cl, [ebx + gif.Header.lsd.Packed]
and cl, gif.LSD.Packed.SizeOfGlobalColorTableMask and cl, gif.LSD.Packed.SizeOfGlobalColorTableMask
shr cl, gif.LSD.Packed.SizeOfGlobalColorTableShift shr cl, gif.LSD.Packed.SizeOfGlobalColorTableShift
inc cl mov eax, 2
mov eax, 1
shl eax, cl shl eax, cl
mov [global_color_table_size], eax
lea eax, [eax * 3] lea eax, [eax * 3]
add ebx, eax add ebx, eax
@@: add ebx, sizeof.gif.Header @@: add ebx, sizeof.gif.Header
@ -130,11 +128,15 @@ endl
jz .error jz .error
mov edx, [img] mov edx, [img]
mov [eax + Image.Previous], edx mov [eax + Image.Previous], edx
test edx, edx
jz @f
mov [edx + Image.Next], eax
@@:
mov [img], eax mov [img], eax
mov edx, eax mov edx, eax
mov [eax + Image.Type], Image.bpp8
mov ecx, sizeof.gif.Image invoke mem.alloc, sizeof.gif.Image
invoke mem.alloc, ecx
or eax, eax or eax, eax
jz .error jz .error
mov [edx + Image.Extended], eax mov [edx + Image.Extended], eax
@ -149,33 +151,34 @@ endl
or eax, eax or eax, eax
jz .error jz .error
xor ecx, ecx mov esi, ebx
mov eax, [edx + Image.Extended] mov edi, [edx + Image.Extended]
mov ecx, sizeof.gif.ImageDescriptor
rep movsb
mov edi, [edx + Image.Palette]
mov esi, [global_color_table]
mov ecx, [global_color_table_size]
test [ebx + gif.ImageDescriptor.Packed], gif.ID.Packed.LocalColorTableFlag test [ebx + gif.ImageDescriptor.Packed], gif.ID.Packed.LocalColorTableFlag
jz @f jz @f
lea esi, [ebx + sizeof.gif.ImageDescriptor]
mov cl, [ebx + gif.ImageDescriptor.Packed] mov cl, [ebx + gif.ImageDescriptor.Packed]
and cl, gif.ID.Packed.SizeOfLocalColorTableMask and cl, gif.ID.Packed.SizeOfLocalColorTableMask
shr cl, gif.ID.Packed.SizeOfLocalColorTableShift shr cl, gif.ID.Packed.SizeOfLocalColorTableShift
inc cl mov eax, 2
mov eax, 1
shl eax, cl shl eax, cl
lea ecx, [eax * sizeof.gif.RgbTriplet] mov ecx, eax
lea eax, [ecx + sizeof.gif.Image] lea eax, [eax*3]
invoke mem.realloc, [edx + Image.Extended], eax add ebx, eax
or eax, eax @@:
jz .error lodsd
mov [edx + Image.Extended], eax dec esi
@@: mov esi, ebx bswap eax
lea edi, [eax + sizeof.gif.GraphicsControlExtension] shr eax, 8
add ecx, sizeof.gif.ImageDescriptor stosd
rep movsb loop @b
add ebx, sizeof.gif.ImageDescriptor
mov eax, [global_color_table] stdcall ._.process_image
test [ebx + gif.ImageDescriptor.Packed], gif.ID.Packed.LocalColorTableFlag
jz @f
lea eax, [ebx + sizeof.gif.ImageDescriptor]
@@: mov ebx, esi
stdcall ._.process_image, eax
.decoded: .decoded:
or eax, eax or eax, eax
@ -187,6 +190,11 @@ endl
ret ret
.error: .error:
mov eax, [img]
test eax, eax
jz @f
stdcall img.destroy, eax
@@:
xor eax, eax xor eax, eax
pop ebx pop ebx
ret ret
@ -309,7 +317,7 @@ proc img.decode.gif._.process_extensions ;//////////////////////////////////////
endp endp
;;================================================================================================;; ;;================================================================================================;;
proc img.decode.gif._.process_image _color_table ;////////////////////////////////////////////////;; proc img.decode.gif._.process_image ;/////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
;? --- TBD --- ;; ;? --- TBD --- ;;
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
@ -342,8 +350,6 @@ endl
mov [width], ecx mov [width], ecx
mov eax, [edx + Image.Height] mov eax, [edx + Image.Height]
imul eax, ecx imul eax, ecx
; lea eax, [eax * 3]
shl eax, 2
mov [img_end], eax mov [img_end], eax
inc eax inc eax
mov [row_end], eax mov [row_end], eax
@ -351,8 +357,6 @@ endl
mov eax, [edx + Image.Extended] mov eax, [edx + Image.Extended]
test [eax + gif.Image.info.Packed], gif.ID.Packed.InterleaceFlag test [eax + gif.Image.info.Packed], gif.ID.Packed.InterleaceFlag
jz @f jz @f
; lea ecx, [ecx * 3]
shl ecx, 2
mov [row_end], ecx mov [row_end], ecx
@@: mov esi, ebx @@: mov esi, ebx
@ -502,21 +506,11 @@ img.decode.gif._.process_image.output:
.loop2: .loop2:
pop ax pop ax
stosb
lea esi, [eax * 3]
add esi, [_color_table]
mov esi, [esi]
bswap esi
shr esi, 8
mov [edi], esi
add edi, 4
cmp edi, [row_end] cmp edi, [row_end]
jb .norowend jb .norowend
mov eax, [width] mov eax, [width]
; lea eax, [eax * 3]
shl eax, 2
push eax push eax
sub edi, eax sub edi, eax
add eax, eax add eax, eax

10
programs/develop/libraries/libs-dev/libimg/gif/gif.inc
View File

@ -5,15 +5,15 @@
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;

2231
programs/develop/libraries/libs-dev/libimg/jpeg/jpeg.asm Normal file
View File

File diff suppressed because it is too large Load Diff

96
programs/develop/libraries/libs-dev/libimg/jpeg/jpeg.inc Normal file
View File

@ -0,0 +1,96 @@
;;================================================================================================;;
;;//// jpeg.inc //// (c) diamond, 2008-2009 //////////////////////////////////////////////////////;;
;;================================================================================================;;
;; ;;
;; 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 jpeg.work ; working area for JPEG handling
image dd ?
; progressive JPEG?
progressive db ?
; one component in the scan?
not_interleaved db ?
; Adobe YCCK file?
adobe_ycck db ?
rb 1
; parameters for progressive scan
ScanStart db ?
ScanEnd db ?
ApproxPosLow db ?
ApproxPosHigh db ?
; restart interval
restart_interval dd ?
decoded_MCUs dd ?
_esp dd ?
; components information, up to 4 components
; db ComponentIdentifier, db V, db H, db VFactor, db HFactor, db QuantizationTable
components rb 4*6
max_v db ?
max_h db ?
cur_rst_marker db ?
db ?
huffman_bits dd ?
block_width dd ?
block_height dd ?
block_delta_x dd ?
block_delta_y dd ?
cur_block_dx dd ?
cur_block_dy dd ?
x_num_blocks dd ?
y_num_blocks dd ?
delta_x dd ?
delta_y dd ?
pixel_size dd ?
line_size dd ?
cur_x dd ?
cur_y dd ?
max_x dd ?
max_y dd ?
cur_out_ptr dd ?
dct_buffer dd ?
dct_buffer_size dd ?
;ns dd ?
; +0: db V, db H, db VFactor, db HFactor, dd HIncrement, dd VIncrement,
; +12: dd QuantizationTable, dd DCTable, dd ACTable,
; +24: dd width/HFactor, dd width/HFactor-8k, dd HFactor+1-(width%HFactor),
; +36: dd height/VFactor, dd height/VFactor-8m, dd VFactor+1-(height%VFactor),
; +48: dw DCPrediction, db ?, db (0 for Y, 80h for Cb,Cr), dd ComponentOffset
cur_components rb 4*56
cur_components_end dd ?
; Fourier coefficients
dct_coeff rw 64
; Temporary space for IDCT
idct_tmp_area rd 64
; decoded block 8*8
decoded_data rb 8*8
; up to 4 quantization tables
quant_tables rd 4*64
quant_tables_defined rb 4
; Huffman tables
dc_huffman_defined rb 4
ac_huffman_defined rb 4
; up to 4 DC Huffman tables
;dc_huffman rd 4*256*2
; up to 4 AC Huffman tables
;ac_huffman rd 4*256*2
max_hufftable_size = (256 + (9+128)*16)*2
dc_huffman rb 4*max_hufftable_size
ac_huffman rb 4*max_hufftable_size
ends

493
programs/develop/libraries/libs-dev/libimg/libimg.asm
View File

@ -1,19 +1,19 @@
;;================================================================================================;; ;;================================================================================================;;
;;//// libimg.asm //// (c) mike.dld, 2007-2008 ///////////////////////////////////////////////////;; ;;//// libimg.asm //// (c) mike.dld, 2007-2008, (c) diamond, 2009 ////////////////////////////////;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;
@ -25,7 +25,7 @@ public @EXPORT as 'EXPORTS'
include '../../../../struct.inc' include '../../../../struct.inc'
include '../../../../proc32.inc' include '../../../../proc32.inc'
include '../../../../macros.inc' include '../../../../macros.inc'
purge section,mov;add,sub purge section,mov,add,sub
include 'libimg.inc' include 'libimg.inc'
@ -33,6 +33,7 @@ section '.flat' code readable align 16
include 'bmp/bmp.asm' include 'bmp/bmp.asm'
include 'gif/gif.asm' include 'gif/gif.asm'
include 'jpeg/jpeg.asm'
mem.alloc dd ? mem.alloc dd ?
mem.free dd ? mem.free dd ?
@ -56,6 +57,8 @@ proc lib_init ;/////////////////////////////////////////////////////////////////
mov [mem.realloc], ecx mov [mem.realloc], ecx
mov [dll.load], edx mov [dll.load], edx
call img.initialize.jpeg
.ok: xor eax,eax .ok: xor eax,eax
ret ret
endp endp
@ -162,6 +165,14 @@ proc img.to_rgb _img ;//////////////////////////////////////////////////////////
stosd stosd
mov eax, [esi + Image.Height] mov eax, [esi + Image.Height]
stosd stosd
mov eax, [esi + Image.Type]
dec eax
jz .bpp8
dec eax
jz .bpp24
dec eax
jnz .error_pop
; 32 BPP -> 24 BPP
mov esi, [esi + Image.Data] mov esi, [esi + Image.Data]
@@: dec ecx @@: dec ecx
@ -174,6 +185,37 @@ proc img.to_rgb _img ;//////////////////////////////////////////////////////////
pop edi esi pop edi esi
ret ret
.bpp24:
; 24 BPP -> 24 BPP
lea ecx, [ecx*3 + 3]
mov esi, [esi + Image.Data]
shr ecx, 2
rep movsd
pop eax
pop edi esi
ret
.bpp8:
; 8 BPP -> 24 BPP
push ebx
mov ebx, [esi + Image.Palette]
mov esi, [esi + Image.Data]
@@:
movzx eax, byte [esi]
add esi, 1
mov eax, [ebx + eax*4]
mov [edi], eax
add edi, 3
sub ecx, 1
jnz @b
pop ebx
pop eax
pop edi esi
ret
.error_pop:
pop eax
.error: .error:
xor eax, eax xor eax, eax
pop edi esi pop edi esi
@ -196,7 +238,7 @@ proc img.decode _data, _length ;////////////////////////////////////////////////
jnz @f jnz @f
add ebx, sizeof.FormatsTableEntry add ebx, sizeof.FormatsTableEntry
cmp dword[ebx], 0 cmp dword[ebx], 0
jnz @f jnz @b
jmp .error jmp .error
@@: stdcall [ebx + FormatsTableEntry.Decode], [_data], [_length] @@: stdcall [ebx + FormatsTableEntry.Decode], [_data], [_length]
@ -219,7 +261,7 @@ proc img.encode _img, _p_length ;///////////////////////////////////////////////
endp endp
;;================================================================================================;; ;;================================================================================================;;
proc img.create _width, _height ;/////////////////////////////////////////////////////////////////;; proc img.create _width, _height, _type ;//////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
;? --- TBD --- ;; ;? --- TBD --- ;;
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
@ -233,6 +275,9 @@ proc img.create _width, _height ;///////////////////////////////////////////////
or eax, eax or eax, eax
jz .error jz .error
mov ecx, [_type]
mov [eax + Image.Type], ecx
push eax push eax
stdcall img._.resize_data, eax, [_width], [_height] stdcall img._.resize_data, eax, [_width], [_height]
@ -240,7 +285,7 @@ proc img.create _width, _height ;///////////////////////////////////////////////
jz .error.2 jz .error.2
pop eax pop eax
ret jmp .ret
.error.2: .error.2:
; pop eax ; pop eax
@ -248,6 +293,7 @@ proc img.create _width, _height ;///////////////////////////////////////////////
xor eax, eax xor eax, eax
.error: .error:
.ret:
pop ecx pop ecx
ret ret
endp endp
@ -348,39 +394,51 @@ locals
scanline_len dd ? scanline_len dd ?
endl endl
push esi edi push ebx esi edi
stdcall img._.validate, [_img] mov ebx, [_img]
stdcall img._.validate, ebx
or eax, eax or eax, eax
jnz .error jnz .error
mov esi, [_img] mov ecx, [ebx + Image.Height]
mov ecx, [esi + Image.Height] mov eax, [ebx + Image.Width]
mov eax, [esi + Image.Width] call img._.get_scanline_len
shl eax, 2
mov [scanline_len], eax mov [scanline_len], eax
push esi
test [_flip_kind], FLIP_VERTICAL test [_flip_kind], FLIP_VERTICAL
jz .dont_flip_vert jz .dont_flip_vert
imul eax, ecx imul eax, ecx
sub eax, [scanline_len] sub eax, [scanline_len]
shr ecx, 1 shr ecx, 1
mov esi, [esi + Image.Data] mov esi, [ebx + Image.Data]
lea edi, [esi + eax] lea edi, [esi + eax]
.next_line_vert: .next_line_vert:
push ecx push ecx
mov ecx, [scanline_len] mov ecx, [scanline_len]
push ecx
shr ecx, 2 shr ecx, 2
@@: lodsd @@: mov eax, [esi]
xchg eax, [edi] xchg eax, [edi]
mov [esi - 4], eax mov [esi], eax
add esi, 4
add edi, 4 add edi, 4
sub ecx, 1
jnz @b
pop ecx
and ecx, 3
jz .cont_line_vert
@@:
mov al, [esi]
xchg al, [edi]
mov [esi], al
add esi, 1
add edi, 1
dec ecx dec ecx
jnz @b jnz @b
.cont_line_vert:
pop ecx pop ecx
mov eax, [scanline_len] mov eax, [scanline_len]
@ -391,15 +449,21 @@ endl
.dont_flip_vert: .dont_flip_vert:
pop esi
test [_flip_kind], FLIP_HORIZONTAL test [_flip_kind], FLIP_HORIZONTAL
jz .exit jz .exit
mov ecx, [esi + Image.Height] mov ecx, [ebx + Image.Height]
mov esi, [esi + Image.Data] mov eax, [ebx + Image.Type]
lea edi, [esi - 4] mov esi, [ebx + Image.Data]
add edi, [scanline_len] mov edi, [scanline_len]
add edi, esi
dec eax
jz .bpp8.2
dec eax
jz .bpp24.2
sub edi, 4
.next_line_horz: .next_line_horz:
push ecx esi edi push ecx esi edi
@ -411,7 +475,7 @@ endl
mov [esi], eax mov [esi], eax
add esi, 4 add esi, 4
add edi, -4 add edi, -4
dec ecx sub ecx, 1
jnz @b jnz @b
pop edi esi ecx pop edi esi ecx
@ -419,16 +483,71 @@ endl
add edi, [scanline_len] add edi, [scanline_len]
dec ecx dec ecx
jnz .next_line_horz jnz .next_line_horz
jmp .exit
.bpp8.2:
dec edi
.next_line_horz8:
push ecx esi edi
mov ecx, [scanline_len]
shr ecx, 1
@@: mov al, [esi]
mov dl, [edi]
mov [edi], al
mov [esi], dl
add esi, 1
sub edi, 1
sub ecx, 1
jnz @b
pop edi esi ecx
add esi, [scanline_len]
add edi, [scanline_len]
dec ecx
jnz .next_line_horz8
jmp .exit
.bpp24.2:
sub edi, 3
.next_line_horz32:
push ecx esi edi
mov ecx, [ebx + Image.Width]
shr ecx, 1
@@:
mov al, [esi]
mov dl, [edi]
mov [edi], al
mov [esi], dl
mov al, [esi+1]
mov dl, [edi+1]
mov [edi+1], al
mov [esi+1], dl
mov al, [esi+2]
mov dl, [edi+2]
mov [edi+2], al
mov [esi+2], dl
add esi, 3
sub edi, 3
sub ecx, 1
jnz @b
pop edi esi ecx
add esi, [scanline_len]
add edi, [scanline_len]
dec ecx
jnz .next_line_horz32
.exit: .exit:
xor eax, eax xor eax, eax
inc eax inc eax
pop edi esi pop edi esi ebx
ret ret
.error: .error:
xor eax, eax xor eax, eax
pop edi esi pop edi esi ebx
ret ret
endp endp
@ -453,7 +572,8 @@ endl
mov [line_buffer], 0 mov [line_buffer], 0
push ebx esi edi push ebx esi edi
stdcall img._.validate, [_img] mov ebx, [_img]
stdcall img._.validate, ebx
or eax, eax or eax, eax
jnz .error jnz .error
@ -466,10 +586,9 @@ endl
jmp .exit jmp .exit
.rotate_ccw_low: .rotate_ccw_low:
mov ebx, [_img]
mov eax, [ebx + Image.Height] mov eax, [ebx + Image.Height]
mov [scanline_pixels_new], eax mov [scanline_pixels_new], eax
shl eax, 2 call img._.get_scanline_len
mov [scanline_len_new], eax mov [scanline_len_new], eax
invoke mem.alloc, eax invoke mem.alloc, eax
@ -477,8 +596,9 @@ endl
jz .error jz .error
mov [line_buffer], eax mov [line_buffer], eax
mov ecx, [ebx + Image.Width] mov eax, [ebx + Image.Width]
lea eax, [ecx * 4] mov ecx, eax
call img._.get_scanline_len
mov [scanline_len_old], eax mov [scanline_len_old], eax
mov eax, [scanline_len_new] mov eax, [scanline_len_new]
@ -486,9 +606,14 @@ endl
add eax, [ebx + Image.Data] add eax, [ebx + Image.Data]
mov [pixels_ptr], eax mov [pixels_ptr], eax
cmp [ebx + Image.Type], Image.bpp8
jz .rotate_ccw8
cmp [ebx + Image.Type], Image.bpp24
jz .rotate_ccw24
.next_column_ccw_low: .next_column_ccw_low:
dec ecx dec ecx
jz .exchange_dims js .exchange_dims
push ecx push ecx
mov edx, [scanline_len_old] mov edx, [scanline_len_old]
@ -524,11 +649,109 @@ endl
pop ecx pop ecx
jmp .next_column_ccw_low jmp .next_column_ccw_low
.rotate_ccw8:
.next_column_ccw_low8:
dec ecx
js .exchange_dims
push ecx
mov edx, [scanline_len_old]
add [scanline_len_old], -1
mov ecx, [scanline_pixels_new]
mov esi, [ebx + Image.Data]
mov edi, [line_buffer]
@@: mov al, [esi]
mov [edi], al
add esi, edx
add edi, 1
sub ecx, 1
jnz @b
mov eax, [scanline_pixels_new]
mov edi, [ebx + Image.Data]
lea esi, [edi + 1]
mov edx, [scanline_len_old]
@@: mov ecx, edx
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
rep movsb
add esi, 1
sub eax, 1
jnz @b
mov eax, [scanline_len_new]
sub [pixels_ptr], eax
mov ecx, [scanline_pixels_new]
mov esi, [line_buffer]
mov edi, [pixels_ptr]
mov edx, ecx
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
rep movsb
pop ecx
jmp .next_column_ccw_low8
.rotate_ccw24:
.next_column_ccw_low24:
dec ecx
js .exchange_dims
push ecx
mov edx, [scanline_len_old]
add [scanline_len_old], -3
mov ecx, [scanline_pixels_new]
mov esi, [ebx + Image.Data]
mov edi, [line_buffer]
@@: mov al, [esi]
mov [edi], al
mov al, [esi+1]
mov [edi+1], al
mov al, [esi+2]
mov [edi+2], al
add esi, edx
add edi, 3
sub ecx, 1
jnz @b
mov eax, [scanline_pixels_new]
mov edi, [ebx + Image.Data]
lea esi, [edi + 3]
mov edx, [scanline_len_old]
@@: mov ecx, edx
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
rep movsb
add esi, 3
sub eax, 1
jnz @b
mov eax, [scanline_len_new]
sub [pixels_ptr], eax
mov ecx, eax
mov esi, [line_buffer]
mov edi, [pixels_ptr]
shr ecx, 2
rep movsd
mov ecx, eax
and ecx, 3
rep movsb
pop ecx
jmp .next_column_ccw_low24
.rotate_cw_low: .rotate_cw_low:
mov ebx, [_img]
mov eax, [ebx + Image.Height] mov eax, [ebx + Image.Height]
mov [scanline_pixels_new], eax mov [scanline_pixels_new], eax
shl eax, 2 call img._.get_scanline_len
mov [scanline_len_new], eax mov [scanline_len_new], eax
invoke mem.alloc, eax invoke mem.alloc, eax
@ -536,8 +759,9 @@ endl
jz .error jz .error
mov [line_buffer], eax mov [line_buffer], eax
mov ecx, [ebx + Image.Width] mov eax, [ebx + Image.Width]
lea eax, [ecx * 4] mov ecx, eax
call img._.get_scanline_len
mov [scanline_len_old], eax mov [scanline_len_old], eax
mov eax, [scanline_len_new] mov eax, [scanline_len_new]
@ -545,6 +769,11 @@ endl
add eax, [ebx + Image.Data] add eax, [ebx + Image.Data]
mov [pixels_ptr], eax mov [pixels_ptr], eax
cmp [ebx + Image.Type], Image.bpp8
jz .rotate_cw8
cmp [ebx + Image.Type], Image.bpp24
jz .rotate_cw24
.next_column_cw_low: .next_column_cw_low:
dec ecx dec ecx
js .exchange_dims js .exchange_dims
@ -586,6 +815,110 @@ endl
pop ecx pop ecx
jmp .next_column_cw_low jmp .next_column_cw_low
.rotate_cw8:
.next_column_cw_low8:
dec ecx
js .exchange_dims
push ecx
mov edx, [scanline_len_old]
add [scanline_len_old], -1
mov ecx, [scanline_pixels_new]
mov esi, [pixels_ptr]
add esi, -1
mov edi, [line_buffer]
@@: mov al, [esi]
mov [edi], al
sub esi, edx
add edi, 1
sub ecx, 1
jnz @b
mov eax, [scanline_pixels_new]
dec eax
mov edi, [ebx + Image.Data]
add edi, [scanline_len_old]
lea esi, [edi + 1]
mov edx, [scanline_len_old]
@@: mov ecx, edx
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
rep movsb
add esi, 1
sub eax, 1
jnz @b
mov eax, [scanline_len_new]
sub [pixels_ptr], eax
mov ecx, eax
mov esi, [line_buffer]
mov edi, [pixels_ptr]
shr ecx, 2
rep movsd
mov ecx, eax
and ecx, 3
rep movsb
pop ecx
jmp .next_column_cw_low8
.rotate_cw24:
.next_column_cw_low24:
dec ecx
js .exchange_dims
push ecx
mov edx, [scanline_len_old]
add [scanline_len_old], -3
mov ecx, [scanline_pixels_new]
mov esi, [pixels_ptr]
add esi, -3
mov edi, [line_buffer]
@@: mov al, [esi]
mov [edi], al
mov al, [esi+1]
mov [edi+1], al
mov al, [esi+2]
mov [edi+2], al
sub esi, edx
add edi, 3
sub ecx, 1
jnz @b
mov eax, [scanline_pixels_new]
dec eax
mov edi, [ebx + Image.Data]
add edi, [scanline_len_old]
lea esi, [edi + 3]
mov edx, [scanline_len_old]
@@: mov ecx, edx
shr ecx, 2
rep movsd
mov ecx, edx
and ecx, 3
rep movsb
add esi, 3
sub eax, 1
jnz @b
mov eax, [scanline_len_new]
sub [pixels_ptr], eax
mov ecx, eax
mov esi, [line_buffer]
mov edi, [pixels_ptr]
shr ecx, 2
rep movsd
mov ecx, eax
and ecx, 3
rep movsb
pop ecx
jmp .next_column_cw_low24
.flip: .flip:
jmp .exit jmp .exit
@ -640,6 +973,17 @@ proc img._.new ;////////////////////////////////////////////////////////////////
;< eax = 0 / pointer to image ;; ;< eax = 0 / pointer to image ;;
;;================================================================================================;; ;;================================================================================================;;
invoke mem.alloc, sizeof.Image invoke mem.alloc, sizeof.Image
test eax, eax
jz @f
push ecx
xor ecx, ecx
mov [eax + Image.Data], ecx
mov [eax + Image.Type], ecx
mov [eax + Image.Extended], ecx
mov [eax + Image.Previous], ecx
mov [eax + Image.Next], ecx
pop ecx
@@:
ret ret
endp endp
@ -674,11 +1018,35 @@ proc img._.resize_data _img, _width, _height ;//////////////////////////////////
;;------------------------------------------------------------------------------------------------;; ;;------------------------------------------------------------------------------------------------;;
;< --- TBD --- ;; ;< --- TBD --- ;;
;;================================================================================================;; ;;================================================================================================;;
push ebx push ebx esi
mov ebx, [_img] mov ebx, [_img]
mov eax, [_height] mov eax, [_height]
; our memory is limited, [_width]*[_height] must not overflow
; image with width or height greater than 65535 is most likely bogus
cmp word [_width+2], 0
jnz .error
cmp word [_height+2], 0
jnz .error
imul eax, [_width] imul eax, [_width]
test eax, eax
jz .error
; do not allow images which require too many memory
cmp eax, 4000000h
jae .error
cmp [ebx + Image.Type], Image.bpp8
jz .bpp8
cmp [ebx + Image.Type], Image.bpp24
jz .bpp24
.bpp32:
shl eax, 2 shl eax, 2
jmp @f
.bpp24:
lea eax, [eax*3]
jmp @f
.bpp8:
add eax, 256*4 ; for palette
@@:
mov esi, eax
invoke mem.realloc, [ebx + Image.Data], eax invoke mem.realloc, [ebx + Image.Data], eax
or eax, eax or eax, eax
jz .error jz .error
@ -688,12 +1056,40 @@ proc img._.resize_data _img, _width, _height ;//////////////////////////////////
pop [ebx + Image.Width] pop [ebx + Image.Width]
push [_height] push [_height]
pop [ebx + Image.Height] pop [ebx + Image.Height]
cmp [ebx + Image.Type], Image.bpp8
jnz .ret
lea esi, [eax + esi - 256*4]
mov [ebx + Image.Palette], esi
jmp .ret
.error: .error:
pop ebx xor eax, eax
.ret:
pop esi ebx
ret ret
endp endp
;;================================================================================================;;
img._.get_scanline_len: ;/////////////////////////////////////////////////////////////////////////;;
;;------------------------------------------------------------------------------------------------;;
;? --- TBD --- ;;
;;------------------------------------------------------------------------------------------------;;
;> --- TBD --- ;;
;;------------------------------------------------------------------------------------------------;;
;< --- TBD --- ;;
;;================================================================================================;;
cmp [ebx + Image.Type], Image.bpp8
jz .bpp8.1
cmp [ebx + Image.Type], Image.bpp24
jz .bpp24.1
shl eax, 2
jmp @f
.bpp24.1:
lea eax, [eax*3]
.bpp8.1:
@@:
ret
;;================================================================================================;; ;;================================================================================================;;
;;////////////////////////////////////////////////////////////////////////////////////////////////;; ;;////////////////////////////////////////////////////////////////////////////////////////////////;;
@ -710,7 +1106,7 @@ img._.formats_table:
; .cur dd img.is.cur, img.decode.cur, img.encode.cur ; .cur dd img.is.cur, img.decode.cur, img.encode.cur
.gif dd img.is.gif, img.decode.gif, img.encode.gif .gif dd img.is.gif, img.decode.gif, img.encode.gif
; .png dd img.is.png, img.decode.png, img.encode.png ; .png dd img.is.png, img.decode.png, img.encode.png
; .jpg dd img.is.jpg, img.decode.jpg, img.encode.jpg .jpg dd img.is.jpg, img.decode.jpg, img.encode.jpg
dd 0 dd 0
@ -723,7 +1119,7 @@ img._.formats_table:
;;================================================================================================;; ;;================================================================================================;;
align 16 align 4
@EXPORT: @EXPORT:
export \ export \
@ -744,3 +1140,12 @@ export \
img.unlock_bits , 'img.unlock_bits' , \ img.unlock_bits , 'img.unlock_bits' , \
img.flip , 'img.flip' , \ img.flip , 'img.flip' , \
img.rotate , 'img.rotate' img.rotate , 'img.rotate'
section '.data' data readable writable align 16
; uninitialized data - global constant tables
; data for YCbCr -> RGB translation
color_table_1 rd 256
color_table_2 rd 256
color_table_3 rd 256
color_table_4 rd 256

18
programs/develop/libraries/libs-dev/libimg/libimg.inc
View File

@ -1,19 +1,19 @@
;;================================================================================================;; ;;================================================================================================;;
;;//// libimg.inc //// (c) mike.dld, 2007-2008 ///////////////////////////////////////////////////;; ;;//// libimg.inc //// (c) mike.dld, 2007-2008, (c) diamond, 2009 ////////////////////////////////;;
;;================================================================================================;; ;;================================================================================================;;
;; ;; ;; ;;
;; This file is part of Common development libraries (Libs-Dev). ;; ;; 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 ;; ;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
;; General Public License as published by the Free Software Foundation, either version 3 of the ;; ;; Lesser General Public License as published by the Free Software Foundation, either version 2.1 ;;
;; License, or (at your option) any later version. ;; ;; 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 ;; ;; 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 ;; ;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
;; General Public License for more details. ;; ;; Lesser General Public License for more details. ;;
;; ;; ;; ;;
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;; ;; You should have received a copy of the GNU Lesser General Public License along with Libs-Dev. ;;
;; see <http://www.gnu.org/licenses/>. ;; ;; If not, see <http://www.gnu.org/licenses/>. ;;
;; ;; ;; ;;
;;================================================================================================;; ;;================================================================================================;;
@ -30,10 +30,16 @@ struct Image
Height dd ? Height dd ?
Next dd ? Next dd ?
Previous dd ? Previous dd ?
Type dd ? ; one of Image.bppN
Data dd ? Data dd ?
Palette dd ? ; used iff Type eq Image.bpp8
Extended dd ? Extended dd ?
ends ends
Image.bpp8 = 1
Image.bpp24 = 2
Image.bpp32 = 3
FLIP_VERTICAL = 0x01 FLIP_VERTICAL = 0x01
FLIP_HORIZONTAL = 0x02 FLIP_HORIZONTAL = 0x02
FLIP_BOTH = FLIP_VERTICAL or FLIP_HORIZONTAL FLIP_BOTH = FLIP_VERTICAL or FLIP_HORIZONTAL