kolibrios/programs/media/gifview/trunk/gifview.asm

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NASM
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; GIF VIEWER FOR MENUET v1.0
; Written in pure assembler by Ivushkin Andrey aka Willow
;
; Uses GIF_LITE 2.0
;
; Created: August 31, 2004
; Last changed: August 25, 2006
;
; COMPILE WITH FASM
WND_COLOR equ 0x02aabbcc
; input line dimensions
INP_X equ 10 shl 16+680
INP_Y equ 25 shl 16+16
INP_XY equ 15 shl 16+30
use32
org 0x0
db 'MENUET01'
dd 0x01
dd START
dd I_END
dd 0x300000
dd 0x27fff0
dd filename ;0x0
dd 0x0
include 'lang.inc'
include 'macros.inc' ; decrease code size (optional)
;include '/hd/1/meos/debug.inc'
include 'debug.inc'
COLOR_ORDER equ MENUETOS
DELAY equ 20 ; animation speed
;include '/hd/1/gif/gif_lite.inc'
include 'gif_lite.inc'
START:
cmp [filename],byte 0
jne openfile2
; jmp openfile2
openfile:
and [entered],0
xor eax,eax
mov [imgcount],eax
mov esi,fn_input
mov edi,filename
mov ecx,[inp_pos]
rep movsb
stosb
openfile2:
mov eax,70
mov ebx,file_info
int 0x40
cmp eax,6
je temp
test eax,eax
jnz ok2
temp:
; cmp ebx,64
; jbe ok2
and [entered],0
xor eax,eax
mov [imgcount],eax
mov esi,filename
mov edi,fn_input
mov ecx,256/4 ;[filename_len]
rep movsd
mov edi,fn_input
mov ecx,256
xor eax,eax
repne scasb
sub edi,fn_input
dec edi
mov [inp_pos],edi
inc [inp_pos]
; test eax,eax
; jnz .ok2
; cmp ebx,64
; jbe .ok2
mov esi,workarea
mov edi,Image
mov eax,hashtable
call ReadGIF
test eax,eax
jz .ok
xor ecx,ecx
.ok:
mov [imgcount],ecx
ok2:
and dword[img_index],0
red:
call draw_window
still:
cmp [imgcount], 1
jnz .delay
mov eax, 10
int 0x40
jmp @f
.delay:
mov ebx,DELAY
mov eax,23
int 0x40
@@:
dec eax
jz red
dec eax
jz key
dec eax
jz button
mov eax,[imgcount]
cmp eax,1
je still
inc [img_index]
cmp eax,[img_index]
jne redsub
and [img_index],0
redsub:
mov ecx,[img_index]
call draw_subimage
jmp still
key:
mov eax,2
int 0x40
cmp ah,13
je is_input
jmp still
button:
mov eax,17
int 0x40
cmp ah,1
jne noclose
_close:
or eax,-1
int 0x40
noclose:
is_input: ; simple input line with backspace feature
inc [entered] ; sorry - no cursor
wait_input:
call draw_input
mov eax,10
int 0x40
cmp eax,2
jne still
mov edi,[inp_pos]
mov eax,2
int 0x40
shr eax,8
cmp eax,27
je still
cmp eax,13
je openfile
cmp eax,8
je backsp
mov [fn_input+edi],al
inc [inp_pos]
jmp wait_input
backsp:
test edi,edi
jz wait_input
dec [inp_pos]
jmp wait_input
; jmp still
;****************************************
;******* DRAW CONTENTS OF INPUT LINE ****
;****************************************
draw_input:
push edi
cmp [entered],0
jne highlight
mov esi,WND_COLOR
jmp di_draw
highlight:
mov esi,0xe0e0e0
di_draw:
mov eax,8
mov ebx,INP_X
mov ecx,INP_Y
mov edx,2
int 0x40
mov eax,4
mov ecx,0x00107a30 ; <20><><EFBFBD><EFBFBD><EFBFBD> 1 <20><> ( 0xF0RRGGBB )
mov ebx,INP_XY
mov edx,fn_input
mov esi,[inp_pos]
int 0x40
pop edi
ret
; *********************************************
; ******* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> *******
; *********************************************
draw_window:
mov eax,12
mov ebx,1
int 0x40
mov eax,0
mov ebx,50*65536+700
mov ecx,50*65536+500
mov edx,WND_COLOR
mov esi,0x805080d0
mov edi,0x005080d0
int 0x40
mov eax,4
mov ebx,8*65536+8
mov ecx,0x10ddeeff
mov edx,zagolovok
mov esi,zag_konets-zagolovok
int 0x40
mov eax,8
mov ebx,(700-19)*65536+12
mov ecx,5*65536+12
mov edx,1
mov esi,0x6688dd
int 0x40
call draw_input
xor ecx,ecx
call draw_subimage
cmp [imgcount],1
je .enddraw
mov ecx,[img_index]
call draw_subimage
.enddraw:
mov eax,12
mov ebx,2
int 0x40
ret
draw_subimage:
cmp [imgcount],0
jz .enddraw
mov esi,Image
mov edi,gif_inf
call GetGIFinfo
test eax,eax
jz .enddraw
movzx ebx,[gif_inf.Width]
shl ebx,16
movzx ecx,[gif_inf.Height]
add ecx,ebx
mov ebx,eax
movzx eax,[gif_inf.Top]
movzx edx,[gif_inf.Left]
shl edx,16
add edx,eax
add edx,10 shl 16 +45
mov eax,7
int 0x40
.enddraw:
ret
; <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><E5AEA4><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>:
; <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> macros.inc
zagolovok: ; <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if lang eq ru
db '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> GIF'
else
db 'GIF VIEWER'
end if
zag_konets: ; <20> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
inp_pos dd inp_end-fn_input
fn_input:
; db '/hd/1/gif/smileys/sm100000.gif'
db '/rd/1/meos.gif'
; db '/hd/1/1/tex256.gif',0
; db '/rd/1/tex256.gif'
inp_end:
rb 256-(inp_end-fn_input)
file_info:
dd 0
dd 0
dd 0
dd 0x100000;0x200000
dd workarea;0x100000
I_END: ; <20><><EFBFBD><EFBFBD><EFBFBD> <20>ணࠬ<E0AEA3><E0A0AC>
filename:
; db '/hd/1/gif/smileys/sm112000.gif',0
; db '/hd/1/gif/test.gif',0
; db '/hd/1/gif/explode1.gif',0
; db '/hd/1/gif/tapeta.gif',0
; db '/hd/1/gif/meos.gif',0
rb 257
;filename_len dd 0
entered rd 1
imgcount rd 1
img_index rd 1
gif_inf GIF_info
hashtable rd 4096
workarea rb 0x100000
Image: