2011-06-12 00:16:26 +02:00
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;*****************************************************************************
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; Scaling RAW image plugin - for zSea image viewer
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; Copyright (c) 2009 - 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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; Scaling 32b, 24b, 16b, 8b
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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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2011-06-13 16:32:25 +02:00
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;include 'macros.inc'
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2011-06-12 00:16:26 +02:00
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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 [pointer],eax
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test bx,bx
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jnz @f
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inc bx
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@@:
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ror ebx,16
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test bx,bx
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jnz @f
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inc bx
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@@:
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rol ebx,16
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mov [new_size],ebx
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mov [start_coordinates],ecx
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mov [scaling_mode],edx
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mov [filtering],esi
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mov [background_color],edi
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mov eax,[eax+4]
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mov [image_file],eax
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mov esi,[eax+28]
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add esi,eax
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mov ebx,[eax+20]
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add ebx,eax
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mov [palette],ebx
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mov ebx,[eax+12]
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mov [resolution],ebx
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cmp ebx,32
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jne @f
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mov ebp,dword START.32
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jmp .1
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@@:
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cmp ebx,24
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jne @f
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mov ebp,dword START.24
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jmp .1
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@@:
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cmp ebx,16
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jne @f
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mov ebp,dword START.16
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jmp .1
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@@:
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cmp ebx,15
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jne @f
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inc ebx
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mov ebp,dword START.16
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jmp .1
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@@:
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cmp ebx,8
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jne @f
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mov ebp,dword START.8
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@@:
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.1:
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shr ebx,3
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mov [bytes_to_pixel],ebx
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mov ebx,[eax+8]
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mov [y],ebx
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mov ebx,[eax+4]
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mov [x],ebx
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imul ebx,[bytes_to_pixel]
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mov [size_x],ebx
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mov eax,100
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shl eax,12
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mov ebx,[scaling_mode]
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test ebx,ebx
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jnz @f
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inc ebx
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@@:
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xor edx,edx
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div ebx
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mov [scaling_delta],eax
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call .get_memory
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cmp [scaling_mode],0
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jne @f
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call .scaling
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jmp .ret_ok
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@@:
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call .scaling_2
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;---------------------------------------------------------------------
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.ret_ok:
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mcall 68,13,[area_for_x]
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mov ebx,[pointer]
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mov eax,[raw_area]
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mov [ebx+20],eax ; store RAW pointer
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; movzx eax,word [new_size.x1]
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; mov [ebx+24],esi ;eax
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; movzx eax,word [new_size.y1]
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; mov [ebx+28],eax
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; mov eax,[size_x]
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; mov [ebx+32],eax
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; mov eax,[bytes_to_pixel]
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; mov [ebx+36],eax
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; mov eax,[x]
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; mov [ebx+40],eax
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; mov eax,[y]
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; mov [ebx+44],eax
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.exit:
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popad
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ret
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;---------------------------------------------------------------------
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align 4
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.scaling:
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xor ecx,ecx
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.y:
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xor ebx,ebx
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;-------------------------
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.x:
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call ebp
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inc ebx
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cmp bx,[new_size.x1]
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jb .x
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;-------------------------
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inc ecx
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cmp cx,[new_size.y1]
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jb .y
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ret
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;---------------------------------------------------------------------
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align 4
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.scaling_2:
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xor eax,eax
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mov ax,[start_coordinates.y]
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imul eax,[size_x]
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add esi,eax
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xor eax,eax
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mov ax,[start_coordinates.x]
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imul eax,[bytes_to_pixel]
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add esi,eax
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xor eax,eax
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dec eax
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mov [temp_y],eax
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xor ecx,ecx
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align 4
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.y_2:
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xor ebx,ebx
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;-------------------------
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align 4
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.x_2:
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call ebp
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inc ebx
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cmp bx,[new_size.x1]
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jb .x_2
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;-------------------------
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inc ecx
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cmp cx,[new_size.y1]
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jb .y_2
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ret
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;---------------------------------------------------------------------
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align 4
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.32:
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push ecx ebx
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call .calculate_pixel
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mov eax,[ecx]
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call .check_filtering_32
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pop ebx ecx
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cld
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stosd
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ret
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;---------------------------------------------------------------------
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align 4
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.24:
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push ecx ebx
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call .calculate_pixel
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mov eax,[ecx]
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call .check_filtering_24
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cld
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stosw
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shr eax,16
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pop ebx ecx
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cld
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stosb
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ret
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;---------------------------------------------------------------------
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align 4
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.16:
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push ecx ebx
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call .calculate_pixel
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xor eax,eax
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mov ax,[ecx]
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call .check_filtering_16
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pop ebx ecx
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cld
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stosw
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ret
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;---------------------------------------------------------------------
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align 4
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.8:
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push ecx ebx
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call .calculate_pixel
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cmp [filtering],0
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jne @f
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mov al,[ecx]
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pop ebx ecx
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cld
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stosb
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ret
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@@:
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call .check_filtering_8
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cld
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stosw
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shr eax,16
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pop ebx ecx
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cld
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stosb
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ret
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;---------------------------------------------------------------------
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align 4
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.calculate_pixel:
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test ecx,ecx
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jz .offset_x
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;.offset_y:
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mov eax,ecx
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mov ecx,[temp_y]
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cmp eax,ecx
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jne .new_y
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mov eax,[temp_y_offset]
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mov ecx,eax
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jmp .offset_x
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;--------------------------------
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align 4
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.new_y:
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mov [temp_y],eax
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mov ebx,[scaling_mode]
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test ebx,ebx
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jz @f
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imul eax,[scaling_delta]
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;--------------------------------
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push ebx
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mov ebx,eax
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shr eax,12
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and ebx,0xFFF
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shl ebx,7 ;multiply 128
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shr ebx,12
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mov [next_pixel_y],ebx
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pop ebx
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;--------------------------------
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jmp .ex_1
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align 4
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@@:
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;--------------------------------
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imul eax,dword [y]
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mov bx,word [new_size.y1]
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;--------------------------------
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align 4
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.y_div:
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test ebx,ebx
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jnz @f
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inc ebx
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align 4
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@@:
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xor edx,edx
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div ebx
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;--------------------------------
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push eax
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mov eax,edx
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shl eax,7 ;multiply 128
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xor edx,edx
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div ebx
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mov [next_pixel_y],eax
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pop eax
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;--------------------------------
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align 4
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.ex_1:
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mov [temp_y1],eax
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imul eax,[size_x]
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mov [temp_y_offset],eax
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mov ecx,eax
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align 4
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.offset_x:
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test ebx,ebx
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jz .finish
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mov eax,[esp+4] ;ebx
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mov edx,[esp+8]
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test edx,edx
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jz .continue
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shl eax,3
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add eax,[area_for_x]
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mov edx,[eax+4]
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mov [next_pixel_x],edx
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mov eax,[eax]
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jmp .ex_3
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;--------------------------------
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align 4
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.continue:
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mov ebx,[scaling_mode]
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test ebx,ebx
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jz @f
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imul eax,[scaling_delta]
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;--------------------------------
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mov ebx,eax
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shr eax,12
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and ebx,0xFFF
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shl ebx,7 ;multiply 128
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shr ebx,12
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mov [next_pixel_x],ebx
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;--------------------------------
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jmp .ex_2
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;--------------------------------
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align 4
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@@:
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imul eax,dword [x]
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mov bx,word [new_size.x1]
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;--------------------------------
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align 4
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.x_div:
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test ebx,ebx
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jnz @f
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inc ebx
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align 4
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@@:
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xor edx,edx
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div ebx
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;--------------------------------
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|
push eax
|
|
|
|
|
mov eax,edx
|
|
|
|
|
shl eax,7 ;multiply 128
|
|
|
|
|
xor edx,edx
|
|
|
|
|
div ebx
|
|
|
|
|
mov [next_pixel_x],eax
|
|
|
|
|
pop eax
|
|
|
|
|
;--------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.ex_2:
|
|
|
|
|
mov edx,[bytes_to_pixel]
|
|
|
|
|
mov ebx,eax
|
|
|
|
|
xor eax,eax
|
|
|
|
|
align 4
|
|
|
|
|
@@:
|
|
|
|
|
add eax,ebx
|
|
|
|
|
dec edx
|
|
|
|
|
jnz @r
|
|
|
|
|
|
|
|
|
|
mov ebx,[esp+4]
|
|
|
|
|
shl ebx,3
|
|
|
|
|
add ebx,[area_for_x]
|
|
|
|
|
mov [ebx],eax
|
|
|
|
|
mov edx,[next_pixel_x]
|
|
|
|
|
mov [ebx+4],edx
|
|
|
|
|
align 4
|
|
|
|
|
.ex_3:
|
|
|
|
|
mov [temp_x1],eax
|
|
|
|
|
add ecx,eax
|
|
|
|
|
align 4
|
|
|
|
|
.finish:
|
|
|
|
|
add ecx,esi
|
|
|
|
|
ret
|
|
|
|
|
;---------------------------------------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
.get_memory:
|
|
|
|
|
|
|
|
|
|
xor ecx,ecx
|
|
|
|
|
mov cx,[new_size.x1]
|
|
|
|
|
shl ecx,3
|
|
|
|
|
mcall 68,12
|
|
|
|
|
mov [area_for_x],eax
|
|
|
|
|
|
|
|
|
|
xor ecx,ecx
|
|
|
|
|
mov ebx,[new_size]
|
|
|
|
|
mov cx,bx
|
|
|
|
|
shr ebx,16
|
|
|
|
|
imul ecx,ebx ;[eax+8]
|
|
|
|
|
mov eax,[bytes_to_pixel]
|
|
|
|
|
cmp eax,1
|
|
|
|
|
jne @f
|
|
|
|
|
mov eax,3
|
|
|
|
|
@@:
|
|
|
|
|
imul ecx,eax
|
|
|
|
|
mcall 68,12
|
|
|
|
|
mov [raw_area],eax
|
|
|
|
|
mov edi,eax
|
|
|
|
|
ret
|
|
|
|
|
;---------------------------------------------------------------------
|
|
|
|
|
include 'b_filter.inc'
|
|
|
|
|
;---------------------------------------------------------------------
|
|
|
|
|
align 4
|
|
|
|
|
EXPORTS:
|
|
|
|
|
dd szStart, START
|
|
|
|
|
dd szVersion, 0x00010001
|
|
|
|
|
dd 0
|
|
|
|
|
|
|
|
|
|
szStart db 'START',0
|
|
|
|
|
szVersion db 'version',0
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
pointer dd 0
|
|
|
|
|
image_file dd 0
|
|
|
|
|
new_size:
|
|
|
|
|
.y1: dw 0
|
|
|
|
|
.x1: dw 0
|
|
|
|
|
|
|
|
|
|
x: dd 0
|
|
|
|
|
y: dd 0
|
|
|
|
|
|
|
|
|
|
size_x dd 0
|
|
|
|
|
bytes_to_pixel dd 0
|
|
|
|
|
|
|
|
|
|
start_coordinates:
|
|
|
|
|
.y dw 0
|
|
|
|
|
.x dw 0
|
|
|
|
|
|
|
|
|
|
scaling_mode dd 0
|
|
|
|
|
raw_area dd 0
|
|
|
|
|
scaling_delta dd 0
|
|
|
|
|
|
|
|
|
|
area_for_x dd 0
|
|
|
|
|
|
|
|
|
|
temp_y dd 0
|
|
|
|
|
temp_y_offset dd 0
|
|
|
|
|
|
|
|
|
|
resolution dd 0
|
|
|
|
|
|
|
|
|
|
filtering dd 0
|
|
|
|
|
|
|
|
|
|
next_pixel_y dd 0
|
|
|
|
|
next_pixel_x dd 0
|
|
|
|
|
|
|
|
|
|
temp_y1 dd 0
|
|
|
|
|
temp_x1 dd 0
|
|
|
|
|
|
|
|
|
|
B_sample dd 0
|
|
|
|
|
G_sample dd 0
|
|
|
|
|
R_sample dd 0
|
|
|
|
|
|
|
|
|
|
B_sample_1 dd 0
|
|
|
|
|
G_sample_1 dd 0
|
|
|
|
|
R_sample_1 dd 0
|
|
|
|
|
|
|
|
|
|
palette dd 0
|
|
|
|
|
|
|
|
|
|
background_color dd 0
|
