0,0 → 1,1388 |
; |
; Assembler |
; SMALL |
; CODE |
; Graphics |
; Libary |
; |
; Ver 0.18 By Pavlushin Evgeni (RUSSIA) |
; www.waptap@mail.ru |
|
;InfoList |
;0.01 LoadImage |
;0.02 SetBmp |
;0.03 Bmptoimg, Setimg ~01.03.2004 |
;0.04 Bug deleted, copyimg ~03.05.2004 |
;0.05 fullimg, collimg ~05.05.2004 |
;0.06 getimg ~09.05.2004 |
;0.07 convbmp ~13.05.2004 |
;0.08 fps ~14.05.2004 |
;0.09 drawfbox ~03.06.2004 |
;0.10 all macros optimized by halyavin, add at ~07.06.2004 |
;0.11 many macros optimized by halyavin, add at ~30.08.2004 |
;0.12 bmptoimg ~07.09.2004 |
;0.13 imgtoimg ~08.09.2004 |
;0.14 imgtoimg modify not brake bmp pict! ~09.09.2004 |
;0.15 giftoimg, giftoani ~10.09.2004 |
;0.16 setframe, rgbtobgr, setbmp deleted ~20.09.2004 |
;0.17 modification giftoimg, giftoani, getframeoff ~01.10.2004 |
;0.18 aframetoimg,aimgtoimg,frametoimg ~03.10.2004 |
|
aframetoimg_use_count=0 |
macro aframetoimg img, x, y, canvas,acol |
{ |
local loo,loo2,acolor |
aframetoimg_use_count=aframetoimg_use_count+1 |
if aframetoimg_use_count = 1 |
|
jmp end_aframetoimg_proc |
|
acolor dd 0 |
aframetoimg_proc: |
;getout coord |
mov [acolor],ebp |
|
mov edx,ebx ;img ;xsize |
movzx eax,word [edx] |
add eax,esi ;y cor |
|
; mov eax,esi ;y cor |
mul dword [ecx] ;canvas xsize |
add eax,edi ;x cor |
|
mov ebp,ebx ;img ;xsize |
movzx edx,word [ebp] |
add eax,edx |
|
mov ebp,eax |
shl eax,1 |
add ebp,eax |
add ebp,ecx ;canvas+8;start |
add ebp,8 |
;get img size |
add ebx,4 |
mov eax,ebx ;img ;xsize |
movzx esi,word [eax] |
movzx edi,word [eax+2] |
add ebx,4 |
mov edx,ebx ;img+8 |
loo2: |
push esi |
loo: |
;test on alpha color |
mov eax,[edx] |
shl eax,8 |
shr eax,8 |
cmp eax,[acolor] |
jne yx |
add edx,3 |
add ebp,3 |
jmp nx |
yx: |
|
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
nx: |
dec esi |
jnz loo |
pop esi |
sub ebp,3 |
mov eax,[ecx] ;offset = offset+((canxsize-imgxsize)*3) |
sub eax,esi |
add ebp,eax |
shl eax,1 |
add ebp,eax |
|
add ebp,3 |
|
dec edi |
jnz loo2 |
ret |
end_aframetoimg_proc: |
end if |
push img |
push canvas |
push x |
push y |
push acol |
pop ebp |
pop esi |
pop edi |
pop ecx |
pop ebx |
call aframetoimg_proc |
} |
|
frametoimg_use_count=0 |
macro frametoimg img, x, y, canvas |
{ |
local loo,loo2 |
frametoimg_use_count=frametoimg_use_count+1 |
if frametoimg_use_count = 1 |
|
jmp end_frametoimg_proc |
|
frametoimg_proc: |
;getout coord |
mov edx,ebx ;img ;xsize |
movzx eax,word [edx] |
add eax,esi ;y cor |
|
; mov eax,esi ;y cor |
mul dword [ecx] ;canvas xsize |
add eax,edi ;x cor |
|
mov ebp,ebx ;img ;xsize |
movzx edx,word [ebp] |
add eax,edx |
|
mov ebp,eax |
shl eax,1 |
add ebp,eax |
add ebp,ecx ;canvas+8;start |
add ebp,8 |
;get img size |
add ebx,4 |
mov eax,ebx ;img ;xsize |
movzx esi,word [eax] |
movzx edi,word [eax+2] |
add ebx,4 |
mov edx,ebx ;img+8 |
loo2: |
push esi |
loo: |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
|
dec esi |
jnz loo |
pop esi |
sub ebp,3 |
mov eax,[ecx] ;offset = offset+((canxsize-imgxsize)*3) |
sub eax,esi |
add ebp,eax |
shl eax,1 |
add ebp,eax |
|
add ebp,3 |
|
dec edi |
jnz loo2 |
ret |
end_frametoimg_proc: |
end if |
push img |
push canvas |
push x |
push y |
pop esi |
pop edi |
pop ecx |
pop ebx |
call frametoimg_proc |
} |
|
|
aimgtoimg_use_count=0 |
macro aimgtoimg img, x, y, canvas,acol,offset |
{ |
local loo,loo2,acolor |
aimgtoimg_use_count=aimgtoimg_use_count+1 |
if aimgtoimg_use_count = 1 |
|
jmp end_aimgtoimg_proc |
|
acolor dd 0 |
aimgtoimg_proc: |
;getout coord |
mov [acolor],ebp |
push eax ;;;;;;;;;;;;;;;;;;; |
mov eax,esi ;y cor |
mul dword [ecx] ;canvas xsize |
add eax,edi ;x cor |
mov ebp,eax |
shl eax,1 |
add ebp,eax |
add ebp,ecx ;canvas+8;start |
add ebp,8 |
;get img size |
mov eax,ebx ;img ;xsize |
mov esi,[eax] |
add ebx,4 |
mov eax,ebx ; img+4 ;ysize |
mov edi,[eax] |
add ebx,4 |
mov edx,ebx ;img+8 |
pop eax |
add edx,eax |
|
loo2: |
push esi |
loo: |
|
;test on alpha color |
mov eax,[edx] |
shl eax,8 |
shr eax,8 |
cmp eax,[acolor] |
jne yx |
add edx,3 |
add ebp,3 |
jmp nx |
yx: |
|
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
nx: |
dec esi |
jnz loo |
pop esi |
sub ebp,3 |
mov eax,[ecx] ;offset = offset+((canxsize-imgxsize)*3) |
sub eax,esi |
add ebp,eax |
shl eax,1 |
add ebp,eax |
|
add ebp,3 |
|
dec edi |
jnz loo2 |
ret |
end_aimgtoimg_proc: |
end if |
push img |
push canvas |
push x |
push y |
push acol |
push offset |
pop eax |
pop ebp |
pop esi |
pop edi |
pop ecx |
pop ebx |
call aimgtoimg_proc |
} |
|
|
|
|
imgtoimg_use_count=0 |
macro imgtoimg img, x, y, canvas |
{ |
local loo,loo2 |
imgtoimg_use_count=imgtoimg_use_count+1 |
if imgtoimg_use_count = 1 |
|
jmp end_imgtoimg_proc |
imgtoimg_proc: |
;getout coord |
mov eax,esi ;y cor |
mul dword [ecx] ;canvas xsize |
add eax,edi ;x cor |
mov ebp,eax |
shl eax,1 |
add ebp,eax |
add ebp,ecx ;canvas+8;start |
add ebp,8 |
;get img size |
mov eax,ebx ;img ;xsize |
mov esi,[eax] |
add ebx,4 |
mov eax,ebx ; img+4 ;ysize |
mov edi,[eax] |
add ebx,4 |
mov edx,ebx ;img+8 |
loo2: |
push esi |
loo: |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
mov al,byte [edx] |
mov byte [ebp],al |
inc ebp |
inc edx |
dec esi |
jnz loo |
pop esi |
sub ebp,3 |
mov eax,[ecx] ;offset = offset+((canxsize-imgxsize)*3) |
sub eax,esi |
add ebp,eax |
shl eax,1 |
add ebp,eax |
|
add ebp,3 |
|
dec edi |
jnz loo2 |
ret |
end_imgtoimg_proc: |
end if |
push img |
push canvas |
push x |
push y |
pop esi |
pop edi |
pop ecx |
pop ebx |
call imgtoimg_proc |
} |
|
|
;DrawBox |
macro drawfbox x,y,xs,ys,color |
{ |
words2reg ebx,x,xs ;x*65536+xs |
words2reg ecx,y,ys ;y*65536+ys |
mov edx,color |
mov eax,13 |
int 0x40 |
} |
|
; FPS - Set Frame Per Second Display |
fps_show_frequency=40 |
macro fps x,y,color,delcolor |
{ |
local spdat,savetime,new_time,fps,fps_cntr,out_fps,new_time,ttt |
local no_out_fps |
jmp spdat |
savetime dd 0 |
fps_cntr dd 0 |
fps dd 0 |
ttt dd 0 |
spdat: |
get_time: |
mov eax,3 |
int 0x40 |
cmp eax,[savetime] |
jne new_time |
inc [fps_cntr] |
cmp dword [ttt],0 |
je out_fps |
dec dword [ttt] |
jmp no_out_fps |
new_time: |
mov [savetime],eax |
mov ebx,[fps_cntr] |
mov [fps],ebx |
mov [fps_cntr],0 |
out_fps: |
if ~(delcolor eq ) |
mov ebx,x*65536+30 |
mov ecx,y*65536+7 |
mov edx,delcolor |
mov eax,13 |
int 0x40 |
end if |
mov dword [ttt],fps_show_frequency |
mov eax,47 |
mov ebx,5*65536 |
; mov bl,0 |
mov edx,x*65536+y |
mov esi,color |
mov ecx,[fps] |
int 0x40 |
no_out_fps: |
} |
|
; COLLIMG - Collusion image's |
_1dbounce_count=0; |
macro collimg img1_off,x1,y1,img2_off,x2,y2,otv |
{ |
local bounce,exit,anot,bc,nbc |
mov esi,[img1_off] ;xs1 |
mov edi,[img2_off] ;ys2 |
mov eax,x1 ; |
mov ebx,x2 ; |
call _1dbounce |
mov edx,ecx |
mov esi,[img1_off+4] ;ys1 |
mov edi,[img2_off+4] ;ys2 |
mov eax,y1 ; |
mov ebx,y2 ; |
call _1dbounce |
add edx,ecx |
cmp edx,2 |
je bounce |
mov otv,0 |
jmp exit |
_1dbounce_count=_1dbounce_count+1 |
if _1dbounce_count = 1 |
_1dbounce: |
cmp ebx,eax |
jb anot |
add eax,esi |
cmp eax,ebx |
jbe nbc |
bc: |
mov ecx,1 |
ret |
anot: |
add ebx,edi |
cmp ebx,eax |
ja bc |
nbc: |
xor ecx,ecx |
ret |
end if |
bounce: |
mov otv,1 |
exit: |
} |
|
macro rgbtobgr image |
{ |
local loo |
mov eax,[image] |
mul dword [image+4] |
mov ecx,eax |
mov esi,image+8 |
; add esi,8 |
loo: |
mov al,[esi] |
mov bl,[esi+2] |
mov [esi],bl |
mov [esi+2],al |
add esi,3 |
dec ecx |
jnz loo |
} |
|
|
macro setimg x , y ,arg3 |
{ |
mov eax,7 |
mov ebx,arg3 |
add ebx,8 |
mov cx,[arg3] |
shl ecx,16 |
add cx,[arg3+4] |
; wordstoreg ecx,[arg3],[arg3+4] |
words2reg edx, x , y ;arg1*65536+arg2 |
int 0x40 |
} |
|
macro setframe x , y ,arg3 |
{ |
mov eax,7 |
mov ebx,arg3 |
add ebx,8 |
words2reg edx, x , y ;arg1*65536+arg2 |
add edx,dword [arg3] |
mov ecx,dword [arg3+4] |
int 0x40 |
} |
|
|
macro getimg imgsrc,x,y,xs,ys,imgdest |
{ |
local cyc |
if xs eqtype 0 |
mov dword [imgdest],xs |
else |
mov eax,xs |
mov dword [imgdest],eax |
end if |
if ys eqtype 0 |
mov dword [imgdest+4],ys |
else |
mov eax,ys |
mov dword [imgdest+4],eax |
end if |
|
mov eax,dword [imgsrc] ;getx size |
; lea ecx,[eax+2*eax] |
mov ecx,eax |
shl ecx,1 |
add ecx,eax |
|
mov ebx,y |
mul ebx |
add eax,x |
mov edx,ecx |
lea eax,[eax+2*eax] ;eax=offset on imsrc |
; mov ebp,eax |
; shl eax,1 |
; add eax,ebp |
|
mov ecx,xs |
mov ebx,ys |
|
mov edi,8+imgdest |
lea esi,[eax+8+imgsrc] |
; mov esi,eax |
; add esi,8 |
; add esi,imgsrc |
|
cld |
cyc: |
movsw |
movsb |
dec ecx |
jne cyc |
add esi,edx |
mov ecx,xs |
sub esi,ecx |
sub esi,ecx |
sub esi,ecx |
dec ebx |
jne cyc |
} |
|
macro copyimg img2_off,img1_off |
{ |
mov eax,dword [img1_off] |
mov ebx,dword [img1_off+4] |
mul ebx |
lea ecx,[eax+2*eax] |
lea esi,[img1_off+8] |
lea edi,[img2_off+8] |
cld |
rep movsb |
} |
|
macro fullimg img_off,xs,ys,color |
{ |
local cop |
mov eax,xs |
mov ebx,ys |
mov dword [img_off],eax |
mov dword [img_off+4],ebx |
mul ebx |
lea ebp,[eax+2*eax] |
mov esi,color |
if color eqtype 0 |
mov ecx,color/65536 |
else |
mov ecx,esi |
shr ecx,16 |
end if |
xor edi,edi |
cop: |
mov word [img_off+8+edi],si |
add edi,2 |
mov byte [img_off+8+edi],cl |
inc edi |
cmp edi,ebp |
jne cop |
} |
|
|
|
; number of frame in ecx |
; callculatin offset of raw data |
|
macro getframeoff num_of_frame,offset_of_animation,offset_of_frame |
{ |
local loo,setpic |
mov ebp,num_of_frame ;ecx |
mov esi,offset_of_animation;Image |
loo: |
cmp ebp,0 |
je setpic |
movzx eax,word [esi+4] |
movzx ebx,word [esi+6] |
mul ebx ;dword [esi+4] |
mov ebx,3 |
mul ebx |
add eax,8 |
add esi,eax |
dec ebp |
jmp loo |
setpic: |
mov dword offset_of_frame,esi |
} |
|
|
; BMPTOIMG -Convert BMP format TO IMG format |
; (SYNTAX) BMPTOIMG BMP_source_offset,IMG_dest_ofset |
; (SAMPLE) View BMPLS.ASM sample. |
; ( NOTE ) This is macros is not brake bmp structure! Tested in 32,8,4 bits |
|
|
bmptoimg_data_area_count=0 |
macro bmptoimg bmp_load_area,img_dest_area |
{ |
local fileinfo,string,end_bmp,nodix |
local converttable,noaddelem,nextbit,convert1bpp,convert4bpp,convert2 |
local nextelem,convertno32,nomorestring,convert1,nextstring,yespicsize |
;local qwe,bmpfn |
|
; convert: |
movzx eax,word [bmp_load_area+28] |
mul dword [bmp_load_area+18] |
add eax,31 |
shr eax,5 |
mov dword [bmptoimg_data_area_dwps],eax ;dwps-doublewords per string |
shl eax,2 |
mov dword [bmptoimg_data_area_bps],eax ;bps-bytes per string |
|
cmp dword [bmp_load_area+34],0 |
jne yespicsize ;if picture size is defined |
mul dword [bmp_load_area+22] |
mov dword [bmp_load_area+34],eax |
|
yespicsize: |
mov ebp,img_dest_area+8 |
|
mov eax,bmp_load_area |
mov ebx,eax |
add ebx, [bmp_load_area+2];file size |
inc ebx |
mov dword [bmptoimg_soi],ebx ;soi-start of image area for drawing |
|
add eax, [bmp_load_area+10] |
mov dword [bmptoimg_data_area_sop],eax ;sop-start of picture in file |
add eax, [bmp_load_area+34] |
mov dword [bmptoimg_data_area_eop],eax ;eop-end of picture in file |
mov eax, [bmp_load_area+18] |
lea eax,[eax+2*eax] ;3x pixels in eax |
|
mov edi,dword [bmptoimg_soi] ;initializing |
mov esi,dword [bmptoimg_data_area_eop] |
sub esi,dword [bmptoimg_data_area_bps] |
|
|
nextstring: |
push edi |
push ebp |
cmp word [bmp_load_area+28],24 |
jne convertno32 |
|
mov edi,ebp |
mov ecx,[bmptoimg_data_area_dwps] |
cld |
rep movsd |
|
convert1: |
pop ebp |
pop edi |
sub esi,dword [bmptoimg_data_area_bps] |
sub esi,dword [bmptoimg_data_area_bps] |
cmp esi,dword [bmptoimg_data_area_sop] |
jb end_bmp |
add edi,eax |
add ebp,eax |
jmp nextstring |
|
convertno32: |
mov ebx,bmp_load_area |
add ebx, [bmp_load_area+14] |
add ebx,14 ;start of color table |
push esi |
add esi,dword [bmptoimg_data_area_bps] |
mov dword [bmptoimg_data_area_eos],esi |
pop esi |
nextelem: |
push eax |
movzx eax,byte [esi] |
cmp word [bmp_load_area+28],4 |
je convert4bpp |
cmp word [bmp_load_area+28],1 |
je convert1bpp |
call converttable |
|
convert2: |
pop eax |
inc esi |
cmp esi,dword [bmptoimg_data_area_eos] |
jae convert1 |
add edi,3 |
|
add ebp,3 |
|
jmp nextelem |
|
convert4bpp: |
shl ax,4 |
shr al,4 |
push ax |
movzx eax,ah |
call converttable |
add edi,3 |
|
add ebp,3 |
|
pop ax |
movzx eax,al |
call converttable |
jmp convert2 |
|
convert1bpp: |
mov ecx,eax |
mov edx,7 |
nextbit: |
xor eax,eax |
bt ecx,edx |
jnc noaddelem |
inc eax |
noaddelem: |
push edx |
call converttable |
pop edx |
dec edx |
js convert2 |
add edi,3 |
|
add ebp,3 |
|
jmp nextbit |
|
converttable: |
shl eax,2 |
add eax,ebx |
mov edx, dword [eax] |
; mov dword [edi],edx |
mov [ebp],edx |
ret |
|
bmptoimg_data_area_count=bmptoimg_data_area_count+1 |
if bmptoimg_data_area_count = 1 |
; DATA AREA |
bmptoimg_soi dd 0 |
bmptoimg_data_area_bps dd 0 |
bmptoimg_data_area_dwps dd 0 |
bmptoimg_data_area_sop dd 0 |
bmptoimg_data_area_eop dd 0 |
bmptoimg_data_area_eos dd 0 |
end if |
|
end_bmp: |
mov eax,dword [bmp_load_area+18] |
mov ebx,dword [bmp_load_area+22] |
mov dword [img_dest_area],eax |
mov dword [img_dest_area+4],ebx |
} |
|
; For convert RGB to BGR |
COLOR_ORDER equ MENUETOS |
|
macro giftoani gifsrc,imgsrc,num_of_frames |
{ |
local hasharea, ReadGIF, nextblock,_null |
local globalColor, img_count, cur_info, img_start |
local codesize, compsize, bit_count, CC, EOI, Palette |
local block_ofs, table_ptr, gifmacend |
local no_gc, block_skip, no_comm, noextblock, uselocal |
local setPal, filltable, reinit, cycle, zadd, noinc |
local notintable, er, zend, nxt, continue, ex, Gif_skipmap |
local Gif_get_sym, shift, nextbl, noblock, loop1, exx |
local Gif_output, next, loop2 |
|
_null fix 1000h ; 0x1000 |
|
; jmp sss |
; if defined gif_hash_offset |
; else |
; hasharea: |
; times 4096 dd 0 ;4096 |
; end if |
;sss: |
|
mov esi,gifsrc ;ª § ⥫ì ä ¨« ¢ ¯ ¬ï⨠|
mov edi,imgsrc ;ª § ⥫ì ᯨ᮪ ª à⨮ª |
|
if defined gif_hash_offset |
mov eax,gif_hash_offset ; ¡®ç ï ®¡« áâì ¬¨¨¬ã¬ 4096*4 ¡ ©â |
else |
mov eax,hasharea ; ¡®ç ï ®¡« áâì ¬¨¨¬ã¬ 4096*4 ¡ ©â |
end if |
|
call ReadGIF |
push ecx |
pop dword num_of_frames |
jmp gifmacend |
|
if defined gif_hash_offset |
else |
hasharea: |
times 4096 dd 0 ;4096 |
end if |
|
ReadGIF: |
push esi edi |
mov [table_ptr],eax |
mov [cur_info],edi |
xor eax,eax |
mov [globalColor],eax |
mov [img_count],eax |
inc eax |
cmp dword[esi],'GIF8' |
jne er ; signature |
mov ecx,[esi+0xa] |
inc eax |
add esi,0xd |
mov edi,esi |
bt ecx,7 |
jnc nextblock |
mov [globalColor],esi |
call Gif_skipmap |
nextblock: |
cmp byte[edi],0x21 |
jne noextblock |
inc edi |
cmp byte[edi],0xf9 ; Graphic Control Ext |
jne no_gc |
add edi,7 |
jmp nextblock |
no_gc: |
cmp byte[edi],0xfe ; Comment Ext |
jne no_comm |
inc edi |
block_skip: |
movzx eax,byte[edi] |
lea edi,[edi+eax+1] |
cmp byte[edi],0 |
jnz block_skip |
inc edi |
jmp nextblock |
no_comm: |
cmp byte[edi],0xff ; Application Ext |
jne nextblock |
add edi,13 |
jmp block_skip |
noextblock: |
cmp byte[edi],0x2c ; image beginning |
jne er |
inc [img_count] |
inc edi |
mov esi,[cur_info] |
xchg esi,edi |
movsd |
movsd |
|
push edi |
movzx ecx,word[esi] |
inc esi |
bt ecx,7 |
jc uselocal |
push [globalColor] |
mov edi,esi |
jmp setPal |
uselocal: |
call Gif_skipmap |
push esi |
setPal: |
movzx ecx,byte[edi] |
inc ecx |
mov [codesize],ecx |
dec ecx |
pop [Palette] |
lea esi,[edi+1] |
mov edi,[table_ptr] |
xor eax,eax |
cld |
lodsb ; eax - block_count |
add eax,esi |
mov [block_ofs],eax |
mov [bit_count],8 |
mov eax,1 |
shl eax,cl |
mov [CC],eax |
inc eax |
mov [EOI],eax |
lea ecx,[eax-1] |
mov eax, _null shl 16 |
filltable: |
stosd |
inc eax |
loop filltable |
pop edi |
mov [img_start],edi |
reinit: |
mov edx,[EOI] |
inc edx |
push [codesize] |
pop [compsize] |
call Gif_get_sym |
cmp eax,[CC] |
je reinit |
call Gif_output |
cycle: |
movzx ebx,ax |
call Gif_get_sym |
cmp eax,edx |
jae notintable |
cmp eax,[CC] |
je reinit |
cmp eax,[EOI] |
je zend |
call Gif_output |
zadd: |
push eax |
mov eax,[table_ptr] |
mov [eax+edx*4],ebx |
pop eax |
cmp edx,0xFFF |
jae cycle |
inc edx |
bsr ebx,edx |
cmp ebx,[compsize] |
jne noinc |
inc [compsize] |
noinc: |
jmp cycle |
notintable: |
push eax |
mov eax,ebx |
call Gif_output |
push ebx |
movzx eax,bx |
call Gif_output |
pop ebx eax |
jmp zadd |
er: |
pop edi |
jmp ex |
zend: |
; mov eax,[.cur_info] ; skip offset to next frame |
; mov [eax],edi |
mov [cur_info],edi |
add esi,2 |
xchg esi,edi |
nxt: |
cmp byte[edi],0 |
jnz continue |
inc edi |
jmp nxt |
continue: |
cmp byte[edi],0x3b ;read next frame |
jne nextblock |
xor eax,eax |
stosd |
mov ecx,[img_count] |
ex: |
pop edi esi |
ret |
|
Gif_skipmap: |
; in: ecx - image descriptor, esi - pointer to colormap |
; out: edi - pointer to area after colormap |
|
and ecx,111b |
inc ecx ; color map size |
mov ebx,1 |
shl ebx,cl |
lea ebx,[ebx*2+ebx] |
lea edi,[esi+ebx] |
ret |
|
Gif_get_sym: |
mov ecx,[compsize] |
push ecx |
xor eax,eax |
shift: |
ror byte[esi],1 |
rcr eax,1 |
dec [bit_count] |
jnz loop1 |
inc esi |
cmp esi,[block_ofs] |
jb noblock |
push eax |
xor eax,eax |
lodsb |
test eax,eax |
jnz nextbl |
mov eax,[EOI] |
sub esi,2 |
add esp,8 |
jmp exx |
nextbl: |
add eax,esi |
mov [block_ofs],eax |
pop eax |
noblock: |
mov [bit_count],8 |
loop1: |
loop shift |
pop ecx |
rol eax,cl |
exx: |
xor ecx,ecx |
ret |
|
Gif_output: |
push esi eax edx |
mov edx,[table_ptr] |
next: |
push word[edx+eax*4] |
mov ax,word[edx+eax*4+2] |
inc ecx |
cmp ax,_null |
jnz next |
shl ebx,16 |
mov bx,[esp] |
loop2: |
pop ax |
|
lea esi,[eax+eax*2] |
add esi,[Palette] |
|
if COLOR_ORDER eq MENUETOS |
mov esi,[esi] |
bswap esi |
shr esi,8 |
mov [edi],esi |
add edi,3 |
else |
movsw |
movsb |
end if |
|
loop loop2 |
pop edx eax esi |
ret |
|
globalColor dd 1 |
img_count dd 1 |
cur_info dd 1 ; image table pointer |
img_start dd 1 |
codesize dd 1 |
compsize dd 1 |
bit_count dd 1 |
CC dd 1 |
EOI dd 1 |
Palette dd 1 |
block_ofs dd 1 |
table_ptr dd 1 |
|
gifmacend: |
} |
|
|
|
macro giftoimg gifsrc,imgsrc |
{ |
local hasharea, ReadGIF, nextblock,_null |
local globalColor, img_count, cur_info, img_start |
local codesize, compsize, bit_count, CC, EOI, Palette |
local block_ofs, table_ptr, gifmacend |
local no_gc, block_skip, no_comm, noextblock, uselocal |
local setPal, filltable, reinit, cycle, zadd, noinc |
local notintable, er, zend, nxt, continue, ex, Gif_skipmap |
local Gif_get_sym, shift, nextbl, noblock, loop1, exx |
local Gif_output, next, loop2 |
|
_null fix 0x1000 ; 0x1000 |
|
mov esi,gifsrc ;ª § ⥫ì ä ¨« ¢ ¯ ¬ï⨠|
mov edi,imgsrc ;ª § ⥫ì ᯨ᮪ ª à⨮ª |
|
if defined gif_hash_offset |
mov eax,gif_hash_offset ; ¡®ç ï ®¡« áâì ¬¨¨¬ã¬ 4096*4 ¡ ©â |
else |
mov eax,hasharea ; ¡®ç ï ®¡« áâì ¬¨¨¬ã¬ 4096*4 ¡ ©â |
end if |
|
call ReadGIF |
jmp gifmacend |
|
if defined gif_hash_offset |
else |
hasharea: |
times 4096 dd 0 ;4096 |
end if |
|
ReadGIF: |
push esi edi |
mov [table_ptr],eax |
mov [cur_info],edi |
xor eax,eax |
mov [globalColor],eax |
mov [img_count],eax |
inc eax |
cmp dword[esi],'GIF8' |
jne er ; signature |
mov ecx,[esi+0xa] |
inc eax |
add esi,0xd |
mov edi,esi |
bt ecx,7 |
jnc nextblock |
mov [globalColor],esi |
call Gif_skipmap |
nextblock: |
cmp byte[edi],0x21 |
jne noextblock |
inc edi |
cmp byte[edi],0xf9 ; Graphic Control Ext |
jne no_gc |
add edi,7 |
jmp nextblock |
no_gc: |
cmp byte[edi],0xfe ; Comment Ext |
jne no_comm |
inc edi |
block_skip: |
movzx eax,byte[edi] |
lea edi,[edi+eax+1] |
cmp byte[edi],0 |
jnz block_skip |
inc edi |
jmp nextblock |
no_comm: |
cmp byte[edi],0xff ; Application Ext |
jne nextblock |
add edi,13 |
jmp block_skip |
noextblock: |
cmp byte[edi],0x2c ; image beginning |
jne er |
inc [img_count] |
inc edi |
mov esi,[cur_info] |
xchg esi,edi |
; movsd |
; movsd |
|
mov bp,word[esi+4] |
movzx ebx,bp |
mov [edi],ebx |
|
mov bp,word[esi+6] |
movzx ebx,bp |
mov [edi+4],ebx |
|
add edi,8 |
add esi,8 |
|
push edi |
movzx ecx,word[esi] |
inc esi |
bt ecx,7 |
jc uselocal |
push [globalColor] |
mov edi,esi |
jmp setPal |
uselocal: |
call Gif_skipmap |
push esi |
setPal: |
movzx ecx,byte[edi] |
inc ecx |
mov [codesize],ecx |
dec ecx |
pop [Palette] |
lea esi,[edi+1] |
mov edi,[table_ptr] |
xor eax,eax |
cld |
lodsb ; eax - block_count |
add eax,esi |
mov [block_ofs],eax |
mov [bit_count],8 |
mov eax,1 |
shl eax,cl |
mov [CC],eax |
inc eax |
mov [EOI],eax |
lea ecx,[eax-1] |
mov eax, _null shl 16 |
filltable: |
stosd |
inc eax |
loop filltable |
pop edi |
mov [img_start],edi |
reinit: |
mov edx,[EOI] |
inc edx |
push [codesize] |
pop [compsize] |
call Gif_get_sym |
cmp eax,[CC] |
je reinit |
call Gif_output |
cycle: |
movzx ebx,ax |
call Gif_get_sym |
cmp eax,edx |
jae notintable |
cmp eax,[CC] |
je reinit |
cmp eax,[EOI] |
je zend |
call Gif_output |
zadd: |
push eax |
mov eax,[table_ptr] |
mov [eax+edx*4],ebx |
pop eax |
cmp edx,0xFFF |
jae cycle |
inc edx |
bsr ebx,edx |
cmp ebx,[compsize] |
jne noinc |
inc [compsize] |
noinc: |
jmp cycle |
notintable: |
push eax |
mov eax,ebx |
call Gif_output |
push ebx |
movzx eax,bx |
call Gif_output |
pop ebx eax |
jmp zadd |
er: |
pop edi |
jmp ex |
zend: |
; mov eax,[.cur_info] ; skip offset to next frame |
; mov [eax],edi |
mov [cur_info],edi |
add esi,2 |
xchg esi,edi |
nxt: |
cmp byte[edi],0 |
jnz continue |
inc edi |
jmp nxt |
continue: |
; cmp byte[edi],0x3b ;read next frame |
; jne nextblock |
xor eax,eax |
stosd |
mov ecx,[img_count] |
ex: |
pop edi esi |
ret |
|
Gif_skipmap: |
; in: ecx - image descriptor, esi - pointer to colormap |
; out: edi - pointer to area after colormap |
|
and ecx,111b |
inc ecx ; color map size |
mov ebx,1 |
shl ebx,cl |
lea ebx,[ebx*2+ebx] |
lea edi,[esi+ebx] |
ret |
|
Gif_get_sym: |
mov ecx,[compsize] |
push ecx |
xor eax,eax |
shift: |
ror byte[esi],1 |
rcr eax,1 |
dec [bit_count] |
jnz loop1 |
inc esi |
cmp esi,[block_ofs] |
jb noblock |
push eax |
xor eax,eax |
lodsb |
test eax,eax |
jnz nextbl |
mov eax,[EOI] |
sub esi,2 |
add esp,8 |
jmp exx |
nextbl: |
add eax,esi |
mov [block_ofs],eax |
pop eax |
noblock: |
mov [bit_count],8 |
loop1: |
loop shift |
pop ecx |
rol eax,cl |
exx: |
xor ecx,ecx |
ret |
|
Gif_output: |
push esi eax edx |
mov edx,[table_ptr] |
next: |
push word[edx+eax*4] |
mov ax,word[edx+eax*4+2] |
inc ecx |
cmp ax,_null |
jnz next |
shl ebx,16 |
mov bx,[esp] |
loop2: |
pop ax |
|
lea esi,[eax+eax*2] |
add esi,[Palette] |
|
if COLOR_ORDER eq MENUETOS |
mov esi,[esi] |
bswap esi |
shr esi,8 |
mov [edi],esi |
add edi,3 |
else |
movsw |
movsb |
end if |
|
loop loop2 |
pop edx eax esi |
ret |
|
globalColor dd 1 |
img_count dd 1 |
cur_info dd 1 ; image table pointer |
img_start dd 1 |
codesize dd 1 |
compsize dd 1 |
bit_count dd 1 |
CC dd 1 |
EOI dd 1 |
Palette dd 1 |
block_ofs dd 1 |
table_ptr dd 1 |
|
gifmacend: |
} |
|