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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

appname equ 'GIF  VIEWER'

; input line dimensions

INP_X equ 5 shl 16+680

INP_Y equ 5 shl 16+16

INP_XY equ 10 shl 16+10

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 '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,0x00aabbcc

    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

    mov  ebx,INP_XY

    mov  edx,fn_input

    mov  esi,[inp_pos]

    int  0x40

    pop  edi

    ret

;   *********************************************

;   *******  ����������� � ��������� ���� *******

;   *********************************************

draw_window:

    mov  eax,48

    mov  ebx,3

    mov  ecx,sc

    mov  edx,sizeof.system_colors

    int  0x40

    mov  eax,12

    mov  ebx,1

    int  0x40

    mov  eax,0

    mov  ebx,50*65536+700

    mov  ecx,50*65536+500

    mov  edx,[sc.work]

    or   edx,0x33000000

    mov  edi,header

    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,5 shl 16 +25

    mov  eax,7

    int  0x40

  .enddraw:

    ret

; ����� ��室���� ����� �ணࠬ��:

header db appname,0               ; ��ப� ���������

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:  ; ����� �ணࠬ��

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

sc system_colors

imgcount  rd 1

img_index  rd 1

gif_inf  GIF_info

hashtable rd 4096

workarea rb 0x100000

Image: