2012-02-23 23:09:09 +01:00
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.pgm:
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2012-06-04 05:54:14 +02:00
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stdcall img.create, [width], [height], Image.bpp8g
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2012-02-23 23:09:09 +01:00
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test eax, eax
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jz .quit
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mov [retvalue], eax
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mov ebx, eax
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mov edi, [ebx+Image.Data]
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mov ecx, [ebx+Image.Width]
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imul ecx, [ebx+Image.Height]
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cmp [data_type], PNM_ASCII
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je .pgm.ascii
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.pgm.raw:
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cmp [maxval], 0xff
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jne .pgm.raw.scale
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rep movsb
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jmp .quit
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.pgm.raw.scale:
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mov edx, [maxval]
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mov eax, 0
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@@:
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lodsb
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mov ebx, eax
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shl eax, 8
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sub eax, ebx
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div dl
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stosb
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dec ecx
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jnz @b
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jmp .quit
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.pgm.ascii:
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xor eax, eax
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cmp [maxval], 0xff
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jne .pgm.ascii.scale
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.pgm.ascii.next_char:
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lodsb
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cmp al, ' '
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jna .pgm.ascii.next_char
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call pnm._.get_number
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mov eax, ebx
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stosb
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dec ecx
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jnz .pgm.ascii.next_char
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jmp .quit
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.pgm.ascii.scale:
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mov edx, [maxval]
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.pgm.ascii.scale.next_char:
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lodsb
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cmp al, ' '
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jna .pgm.ascii.scale.next_char
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call pnm._.get_number
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mov eax, ebx
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shl eax, 8
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sub eax, ebx
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div dl
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stosb
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dec ecx
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jnz .pgm.ascii.scale.next_char
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jmp .quit
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