660 lines
14 KiB
NASM
660 lines
14 KiB
NASM
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;*****************************************************************************
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; BMP to RAW convert plugin - for zSea image viewer
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; Copyright (c) 2008-2011, Marat Zakiyanov aka Mario79, aka Mario
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; All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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; * Neither the name of the <organization> nor the
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; names of its contributors may be used to endorse or promote products
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; derived from this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY
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; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;*****************************************************************************
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format MS COFF
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public EXPORTS
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section '.flat' code readable align 16
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;include 'macros.inc'
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include '../../../../macros.inc'
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;---------------------------------------------------------------------
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START:
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pushad
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mov eax,dword [esp+36]
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call .check_header
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je @f
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.no_bmp_file:
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xor eax,eax
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mov [raw_area],eax
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inc eax ; data corrupt eax = 1
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jmp .ret
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.check_header:
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mov [pointer],eax
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mov eax,[eax]
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mov [image_file],eax
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cmp [eax],word 'BM'
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ret
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;---------------------------------------------------------------------
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@@:
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mov [MinusHeight],byte 0
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mov edx,[eax+22]
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test edx,0x80000000
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jz @f
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neg edx
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mov [eax+22],edx
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mov [MinusHeight],byte 1
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@@:
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xor edx,edx
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mov dx,[eax+28] ; color resolution 1,4,8,16,24,32 bits
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; mov [ebx+16],edx ; store resolution BMP
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mov [resolution],edx
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mov ecx,[eax+30]
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mov [compression],ecx
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;---------------------------------------------------------------------
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mov ecx,[eax+18] ; width BMP
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imul ecx,edx ;[resolution]
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mov edi,ecx
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shr ecx,3
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test edi,7
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jz @f
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inc ecx
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@@:
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imul ecx,[eax+22] ; size of pixels data area
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;---------------------------------------------------------------------
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cmp edx,16
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jae .get_memory ; no palette
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mov eax,4
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xchg cl,dl
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shl eax,cl
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xchg cl,dl
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add ecx,eax ; palette size
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;---------------------------------------------------------------------
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.get_memory:
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add ecx,44 ; header
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mcall 68,12
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cmp eax,0
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jne @f
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xor eax,eax
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mov [raw_area],eax
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mov eax,2 ; not enough memory
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jmp .ret
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@@:
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mov [raw_area],eax
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;---------------------------------------------------------------------
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mov edi,eax
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xor eax,eax
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shr ecx,2
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cld
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rep stosd ; clear memory
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;---------------------------------------------------------------------
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; Create RAW header
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;---------------------------------------------------------------------
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mov eax,[raw_area]
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mov [eax],dword 'RAW '
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mov ebx,[image_file]
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;---------------------------------------------------------------------
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mov ecx,[ebx+18] ; width BMP
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mov [eax+4],ecx ; width RAW
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;---------------------------------------------------------------------
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mov ecx,[ebx+22] ; high BMP
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mov [eax+8],ecx ; high RAW
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;---------------------------------------------------------------------
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mov ecx,[resolution] ; color resolution BMP
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mov [eax+12],ecx ; color resolution RAW
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;---------------------------------------------------------------------
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mov ecx,[resolution]
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cmp ecx,16
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jb .1
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push eax
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mov eax,ecx
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mov ecx,3
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xor edx,edx
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div ecx
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cmp eax,8
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jbe @f
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mov eax,8
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@@:
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mov ecx,eax
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pop eax
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.1:
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mov [eax+16],cx ; channel color resolution RAW
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;---------------------------------------------------------------------
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mov ecx,[resolution]
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cmp ecx,16
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jae @f
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mov [eax+18],word 1 ; channels amount RAW
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jmp .2
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@@:
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mov [eax+18],word 3 ; channels amount RAW
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.2:
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;---------------------------------------------------------------------
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xor edx,edx
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cmp ecx,16
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jae @f
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add edx,44
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@@:
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mov [eax+20],edx ; palette pointer (offset from file start)
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;---------------------------------------------------------------------
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mov ecx,[resolution]
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cmp ecx,16
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jae @f
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mov ecx,[resolution]
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push eax
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mov eax,1
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shl eax,cl
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mov ecx,eax
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pop eax
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shl ecx,2
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jmp .3
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@@:
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xor ecx,ecx
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.3:
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mov [eax+24],ecx ; palette area size
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;---------------------------------------------------------------------
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add ecx,dword 44
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mov [eax+28],ecx ; pixels pointer (offset from file start)
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;---------------------------------------------------------------------
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mov ecx,[ebx+18] ; width BMP
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imul ecx,[resolution]
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mov edi,ecx
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shr ecx,3
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test edi,7
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jz @f
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inc ecx
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@@:
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imul ecx,[ebx+22] ; high BMP
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mov [eax+32],ecx ; pixels area size
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;---------------------------------------------------------------------
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xor ecx,ecx ; Stub!!!
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mov [eax+36],ecx ; Transparency pointer (offset from file start)
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mov [eax+40],ecx ; Transparency area size
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;---------------------------------------------------------------------
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; Finish create RAW header
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;---------------------------------------------------------------------
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; mov ebx,[pointer]
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; mov [ebx+4],eax ; store [soi] pointer of image area
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; mov ecx,eax
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.convert:
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cmp [resolution],16
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jae .no_palette
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; mov [ebx+24],eax
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; mov edi,eax
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mov edi,[raw_area]
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mov edi,[edi+20] ; palette pointer (offset from file start)
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add edi,[raw_area]
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mov esi,[image_file]
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add esi,54
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mov ecx,[resolution]
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mov eax,1
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shl eax,cl
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mov ecx,eax
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rep movsd
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; mov [ebx+4],edi ; store [soi] pointer of image area
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.no_palette:
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mov ecx,[raw_area]
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mov ecx,[ecx+28] ; pixels pointer (offset from file start)
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add ecx,[raw_area]
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;---------------------------------------------------------------------
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mov eax,[image_file]
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mov ebp,[eax+18] ; width BMP
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; mov [ebx+8],ebp ; store width
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imul ebp,[resolution]
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mov edi,ebp
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shr ebp,3 ; ebp = size of output scanline
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test edi,7
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jz @f
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inc ebp
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@@:
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mov eax,[eax+22] ; high BMP
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; mov [ebx+12],eax ; store high
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dec eax
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mul ebp
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add eax,ecx
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mov edi,ecx
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mov bl,[MinusHeight]
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test bl,bl
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jnz @f
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mov edi,eax ; edi points to last scanline
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@@:
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mov esi,[image_file]
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add esi,[esi+10] ; start of pixels data
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mov ebx,[image_file]
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mov edx,[ebx+22] ; high BMP
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add ebx,54
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lea eax,[ebp*2]
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mov [delta],eax
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test edx,edx
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jz .ret
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jns @f
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neg edx
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and [delta], 0
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mov edi,ecx
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@@:
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;---------------------------------------------------------------------
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cmp [compression],3
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je .BI_BITFIELDS ; @f
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cmp [compression],2
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je RLE4
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cmp [compression],1
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je RLE8
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cmp [compression],0
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je @f
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jmp .no_bmp_file
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;---------------------------------------------------------------------
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@@:
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cmp [resolution],16
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jne .continue
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mov ebx,[raw_area]
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mov [ebx+12],dword 15
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jmp .continue
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;---------------------------------------------------------------------
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.BI_BITFIELDS:
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cmp [resolution],32
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je .32
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cmp [resolution],16
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jne .continue
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mov ebx,[raw_area]
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mov eax,[image_file]
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cmp [eax+54],dword 0x7C00
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jne @f
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mov [ebx+12],dword 15
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jmp .continue
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;---------------------------------------------------------------------
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@@:
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cmp [eax+54],dword 0xF800
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jne @f
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mov [ebx+12],dword 16
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jmp .continue
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;---------------------------------------------------------------------
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@@:
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cmp [eax+54],dword 0xF00
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jne .no_bmp_file ; @f
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mov [ebx+12],dword 15
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@@:
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mov ebx,ebp
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neg ebx
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and ebx,3
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mov [aligner],ebx
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shr ebp,1
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mov cl,[MinusHeight]
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test cl,cl
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jnz .start_16_1
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align 4
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.start_16:
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mov ecx,ebp
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call .process_16b_x4r4g4b4
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sub edi,[delta]
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add esi,[aligner]
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dec edx
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jnz .start_16
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jmp .ret_ok
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;---------------------------------------------------------------------
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.process_16b_x4r4g4b4:
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cld
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@@:
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lodsw
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xor ebx,ebx
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mov bx,ax
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xor eax,eax
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ror ebx,8
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and bl,0xf
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mov al,bl
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shl eax,6
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rol ebx,4
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and bx,0xf
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shl bl,1
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add ax,bx
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shl eax,5
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rol ebx,4
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and bx,0xf
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shl bl,1
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add ax,bx
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stosw
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dec ecx
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jnz @r
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ret
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;---------------------------------------------------------------------
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.start_16_1: ;negative value of Height
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mov ecx,ebp
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call .process_16b_x4r4g4b4
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add esi,[aligner]
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dec edx
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jnz .start_16_1
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jmp .ret_ok
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;---------------------------------------------------------------------
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.32:
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mov eax,[image_file]
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cmp [eax+54],dword 0xFF000000
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jne .no_bmp_file
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shr ebp,2
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mov al,[MinusHeight]
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test al,al
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jnz .start_32_1
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align 4
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.start_32:
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mov ecx,ebp
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@@:
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cld
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lodsd
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shr eax,8
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stosd
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dec ecx
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jnz @r
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sub edi,[delta]
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dec edx
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jnz .start_32
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jmp .ret_ok
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;---------------------------------------------------------------------
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.start_32_1: ;negative value of Height
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mov ecx,ebp
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imul ecx,edx
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@@:
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cld
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lodsd
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shr eax,8
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stosd
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dec ecx
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jnz @r
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jmp .ret_ok
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;---------------------------------------------------------------------
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.continue:
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mov eax,ebp
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neg eax
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and eax,3
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mov cl,[MinusHeight]
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test cl,cl
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jz .start_24
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cld
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align 4
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@@: ;negative value of Height
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mov ecx,ebp
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rep movsb
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add esi,eax
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dec edx
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jnz @r
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jmp .ret_ok
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;---------------------------------------------------------------------
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align 4
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.start_24:
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@@:
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mov ecx,ebp
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rep movsb
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||
|
|
sub edi,[delta]
|
||
|
|
add esi,eax
|
||
|
|
dec edx
|
||
|
|
jnz .start_24 ; @r
|
||
|
|
.ret_ok:
|
||
|
|
mov eax,0 ; convert OK
|
||
|
|
.ret:
|
||
|
|
mov ebx,[pointer]
|
||
|
|
mov [ebx+8],eax ; store return code
|
||
|
|
mov eax,[raw_area]
|
||
|
|
mov [ebx+4],eax ; store RAW pointer
|
||
|
|
popad
|
||
|
|
ret 4
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
RLE4:
|
||
|
|
cmp [resolution],4
|
||
|
|
jne START.no_bmp_file
|
||
|
|
xor ebx,ebx
|
||
|
|
xor edx,edx
|
||
|
|
align 4
|
||
|
|
.start:
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
cmp al,0
|
||
|
|
jnz .Encoded_Mode
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
cmp al,0
|
||
|
|
jz .end_line
|
||
|
|
cmp al,1
|
||
|
|
jz START.ret_ok ; .end_bitmap
|
||
|
|
cmp al,2
|
||
|
|
jz .Delta
|
||
|
|
|
||
|
|
.Absolute_Mode:
|
||
|
|
xor ecx,ecx
|
||
|
|
mov cl,al
|
||
|
|
add ebx,ecx
|
||
|
|
cmp dl,0
|
||
|
|
je @f
|
||
|
|
mov dh,[esi]
|
||
|
|
shr dh,4
|
||
|
|
mov dl,[edi-1]
|
||
|
|
and dl,11110000b
|
||
|
|
add dl,dh
|
||
|
|
mov [edi-1],dl
|
||
|
|
dec ecx
|
||
|
|
xor edx,edx
|
||
|
|
mov dh,1
|
||
|
|
@@:
|
||
|
|
test cl,1b
|
||
|
|
jz @f
|
||
|
|
inc ecx
|
||
|
|
inc edx
|
||
|
|
@@:
|
||
|
|
shr ecx,1
|
||
|
|
cmp dh,1
|
||
|
|
je .1
|
||
|
|
mov eax,ecx
|
||
|
|
cld
|
||
|
|
rep movsb
|
||
|
|
test eax,1b
|
||
|
|
jz @f
|
||
|
|
inc esi
|
||
|
|
@@:
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.1:
|
||
|
|
mov dh,cl
|
||
|
|
@@:
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
mov ah,[esi]
|
||
|
|
shl al,4
|
||
|
|
shr ah,4
|
||
|
|
add al,ah
|
||
|
|
cld
|
||
|
|
stosb
|
||
|
|
dec ecx
|
||
|
|
jnz @r
|
||
|
|
test dh,1b
|
||
|
|
jz @f
|
||
|
|
inc esi
|
||
|
|
@@:
|
||
|
|
xor dh,dh
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.Encoded_Mode:
|
||
|
|
xor ecx,ecx
|
||
|
|
mov cl,al
|
||
|
|
add ebx,ecx
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
cmp dl,0
|
||
|
|
je @f
|
||
|
|
rol al,4
|
||
|
|
mov dh,al
|
||
|
|
and dh,00001111b
|
||
|
|
mov dl,[edi-1]
|
||
|
|
and dl,11110000b
|
||
|
|
add dl,dh
|
||
|
|
mov [edi-1],dl
|
||
|
|
dec ecx
|
||
|
|
xor edx,edx
|
||
|
|
@@:
|
||
|
|
test cl,1b
|
||
|
|
jz @f
|
||
|
|
inc ecx
|
||
|
|
inc edx
|
||
|
|
@@:
|
||
|
|
shr ecx,1
|
||
|
|
cld
|
||
|
|
rep stosb
|
||
|
|
cmp dl,0
|
||
|
|
je @f
|
||
|
|
mov al,[edi-1]
|
||
|
|
and al,11110000b
|
||
|
|
mov [edi-1],al
|
||
|
|
@@:
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.Delta:
|
||
|
|
xor eax,eax
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
add ebx,eax
|
||
|
|
cmp dl,0
|
||
|
|
je @f
|
||
|
|
dec eax
|
||
|
|
xor edx,edx
|
||
|
|
@@:
|
||
|
|
test al,1b
|
||
|
|
jz @f
|
||
|
|
inc eax
|
||
|
|
inc edx
|
||
|
|
@@:
|
||
|
|
shr eax,1
|
||
|
|
add edi,eax
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
imul eax,ebp
|
||
|
|
sub edi,eax
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.end_line:
|
||
|
|
mov eax,ebp
|
||
|
|
test ebx,1b
|
||
|
|
jz @f
|
||
|
|
inc ebx
|
||
|
|
@@:
|
||
|
|
shr ebx,1
|
||
|
|
sub eax,ebx
|
||
|
|
add edi,eax
|
||
|
|
sub edi,[delta]
|
||
|
|
xor ebx,ebx
|
||
|
|
xor edx,edx
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
RLE8:
|
||
|
|
cmp [resolution],8
|
||
|
|
jne START.no_bmp_file
|
||
|
|
xor ebx,ebx
|
||
|
|
align 4
|
||
|
|
.start:
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
cmp al,0
|
||
|
|
jnz .Encoded_Mode
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
cmp al,0
|
||
|
|
jz .end_line
|
||
|
|
cmp al,1
|
||
|
|
jz START.ret_ok ; .end_bitmap
|
||
|
|
cmp al,2
|
||
|
|
jz .Delta
|
||
|
|
|
||
|
|
.Absolute_Mode:
|
||
|
|
xor ecx,ecx
|
||
|
|
mov cl,al
|
||
|
|
add ebx,ecx
|
||
|
|
mov eax,ecx
|
||
|
|
cld
|
||
|
|
rep movsb
|
||
|
|
test eax,1b
|
||
|
|
jz @f
|
||
|
|
inc esi
|
||
|
|
@@:
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.Encoded_Mode:
|
||
|
|
xor ecx,ecx
|
||
|
|
mov cl,al
|
||
|
|
add ebx,ecx
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
rep stosb
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.Delta:
|
||
|
|
xor eax,eax
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
add edi,eax
|
||
|
|
add ebx,eax
|
||
|
|
cld
|
||
|
|
lodsb
|
||
|
|
imul eax,ebp
|
||
|
|
sub edi,eax
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
.end_line:
|
||
|
|
mov eax,ebp
|
||
|
|
sub eax,ebx
|
||
|
|
add edi,eax
|
||
|
|
xor ebx,ebx
|
||
|
|
sub edi,[delta]
|
||
|
|
jmp .start
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
Check_Header:
|
||
|
|
pushad
|
||
|
|
mov eax,dword [esp+36]
|
||
|
|
call START.check_header
|
||
|
|
jne START.no_bmp_file
|
||
|
|
popad
|
||
|
|
ret 4
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
Associations:
|
||
|
|
dd Associations.end - Associations
|
||
|
|
db 'BMP',0
|
||
|
|
.end:
|
||
|
|
db 0
|
||
|
|
;---------------------------------------------------------------------
|
||
|
|
align 16
|
||
|
|
EXPORTS:
|
||
|
|
dd szStart, START
|
||
|
|
dd szVersion, 0x00010002
|
||
|
|
dd szCheck, Check_Header
|
||
|
|
dd szAssoc, Associations
|
||
|
|
dd 0
|
||
|
|
|
||
|
|
pointer dd 0
|
||
|
|
image_file dd 0
|
||
|
|
delta dd 0
|
||
|
|
aligner dd 0
|
||
|
|
resolution dd 0
|
||
|
|
compression dd 0
|
||
|
|
raw_area dd 0
|
||
|
|
MinusHeight db 0
|
||
|
|
|
||
|
|
szStart db 'START',0
|
||
|
|
szVersion db 'version',0
|
||
|
|
szCheck db 'Check_Header',0
|
||
|
|
szAssoc db 'Associations',0
|
||
|
|
;---------------------------------------------------------------------
|