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Rev 109 Rev 135
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; Written in pure assembler by Ivushkin Andrey aka Willow
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; Written in pure assembler by Ivushkin Andrey aka Willow
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;
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;
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; This include file will contain functions to handle GIF image format
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; This include file will contain functions to handle GIF image format
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;
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;
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; Created: August 15, 2004
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; Created: August 15, 2004
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; Last changed: September 9, 2004
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; Last changed: August 25, 2006
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; Change COLOR_ORDER in your program
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; Change COLOR_ORDER in your program
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; if colors are displayed improperly
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; if colors are displayed improperly
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    xor  eax,eax
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    xor  eax,eax
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    mov  [.globalColor],eax
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    mov  [.globalColor],eax
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    mov  [.img_count],eax
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    mov  [.img_count],eax
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    inc  eax
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    inc  eax
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    cmp  dword[esi],'GIF8'
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    cmp  dword[esi],'GIF8'
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    jne  .er            ; signature
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    jne  .ex            ; signature
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    mov  ecx,[esi+0xa]
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    mov  ecx,[esi+0xa]
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    inc  eax
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    inc  eax
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    add  esi,0xd
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    add  esi,0xd
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    mov  edi,esi
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    mov  edi,esi
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    bt   ecx,7
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    bt   ecx,7
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    jne  .nextblock
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    jne  .nextblock
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    add  edi,13
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    add  edi,13
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    jmp  .block_skip
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    jmp  .block_skip
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  .noextblock:
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  .noextblock:
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    cmp  byte[edi],0x2c    ; image beginning
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    cmp  byte[edi],0x2c    ; image beginning
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    jne  .er
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    jne  .ex
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    inc  [.img_count]
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    inc  [.img_count]
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    inc  edi
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    inc  edi
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    mov  esi,[.cur_info]
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    mov  esi,[.cur_info]
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    add  esi,4
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    add  esi,4
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    xchg esi,edi
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    xchg esi,edi
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    push ebx
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    push ebx
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    movzx eax,bx
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    movzx eax,bx
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    call .Gif_output
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    call .Gif_output
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    pop  ebx eax
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    pop  ebx eax
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    jmp  .add
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    jmp  .add
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  .er:
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    pop  edi
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    jmp  .ex
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  .end:
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  .end:
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    mov  eax,[.cur_info]
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    mov  eax,[.cur_info]
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    mov  [eax],edi
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    mov  [eax],edi
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    mov  [.cur_info],edi
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    mov  [.cur_info],edi
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    add  esi,2
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    add  esi,2