forked from KolibriOS/kolibrios
301 lines
6.1 KiB
NASM
301 lines
6.1 KiB
NASM
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;*****************************************************************************
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; Rotate 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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; Rotate 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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;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 [pointer],eax
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; ebx - direction
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; 1 - clockwise, 2 - counter clockwise
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; 3 - Left&Right, 4 - Up&Down
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mov [direction],ebx
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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 ecx,[eax+32]
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; xor ebx,ebx
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; mov [raw_area],ebx
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mov ebx,[eax+12]
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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+4]
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imul ebx,[bytes_to_pixel]
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mov [size_x],ebx
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mov ebx,[eax+8]
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imul ebx,[bytes_to_pixel]
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mov [size_y],ebx
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call .get_memory
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cmp [direction],1
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jne @f
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call .clockwise
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jmp .end
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@@:
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cmp [direction],2
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jne @f
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call .counter_clockwise
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jmp .end
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@@:
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cmp [direction],3
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jne @f
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call .Left_Right
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jmp .end
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@@:
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cmp [direction],4
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jne .exit
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call .Up_Down
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.end:
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xchg esi,edi
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mov ecx,[image_file]
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mov eax,[ecx+4]
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imul eax,[bytes_to_pixel]
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imul eax,[ecx+8]
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mov ecx,eax
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cld
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rep movsb
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mov ecx,[raw_area]
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mcall 68,13
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;---------------------------------------------------------------------
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.ret_ok:
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cmp [direction],1
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jne @f
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call .XY_data_exchange
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jmp .exit
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@@:
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cmp [direction],2
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jne .exit
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call .XY_data_exchange
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.exit:
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popad
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ret
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;---------------------------------------------------------------------
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.XY_data_exchange:
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mov ecx,[image_file]
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mov eax,[ecx+4]
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mov ebx,[ecx+8]
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mov [ecx+8],eax
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mov [ecx+4],ebx
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ret
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;---------------------------------------------------------------------
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.clockwise:
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push edi esi
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add edi,[size_y]
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sub edi,[bytes_to_pixel]
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.y:
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push edi
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push ebx
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.x:
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call ebp
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add edi,[size_y]
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dec ebx
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jnz .x
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pop ebx
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pop edi
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sub edi,[bytes_to_pixel]
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dec ecx
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jnz .y
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pop esi edi
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ret
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;---------------------------------------------------------------------
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.counter_clockwise:
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push edi esi
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mov eax,[eax+4]
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dec eax
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imul eax,[size_y]
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add edi,eax
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.y1:
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push edi
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push ebx
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.x1:
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call ebp
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sub edi,[size_y]
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dec ebx
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jnz .x1
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pop ebx
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pop edi
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add edi,[bytes_to_pixel]
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dec ecx
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jnz .y1
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pop esi edi
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ret
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;---------------------------------------------------------------------
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.Left_Right:
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push edi esi
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add edi,[size_x]
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.y2:
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push edi
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push ebx
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.x2:
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sub edi,[bytes_to_pixel]
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call ebp
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dec ebx
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jnz .x2
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pop ebx
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pop edi
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add edi,[size_x]
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dec ecx
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jnz .y2
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pop esi edi
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ret
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;---------------------------------------------------------------------
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.Up_Down:
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push edi esi
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mov eax,[eax+8]
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dec eax
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imul eax,[size_x]
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add edi,eax
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.y3:
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push edi
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push ebx
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.x3:
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call ebp
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add edi,[bytes_to_pixel]
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dec ebx
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jnz .x3
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pop ebx
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pop edi
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sub edi,[size_x]
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dec ecx
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jnz .y3
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pop esi edi
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ret
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;---------------------------------------------------------------------
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.32:
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cld
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lodsd
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mov [edi],eax
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ret
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;---------------------------------------------------------------------
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.24:
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cld
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lodsw
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mov [edi],ax
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lodsb
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mov [edi+2],al
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ret
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;---------------------------------------------------------------------
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.16:
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cld
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lodsw
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mov [edi],ax
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ret
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;---------------------------------------------------------------------
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.8:
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cld
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lodsb
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mov [edi],al
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ret
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;---------------------------------------------------------------------
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.get_memory:
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mov ecx,[eax+4]
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imul ecx,[eax+8]
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imul ecx,[bytes_to_pixel]
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push eax
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mcall 68,12
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mov [raw_area],eax
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mov edi,eax
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pop eax
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mov ebx,[eax+4]
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mov ecx,[eax+8]
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ret
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;---------------------------------------------------------------------
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align 16
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EXPORTS:
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dd szStart, START
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dd szVersion, 0x00010001
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dd 0
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szStart db 'START',0
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szVersion db 'version',0
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pointer dd 0
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image_file dd 0
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direction dd 0
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size_x dd 0
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size_y dd 0
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bytes_to_pixel dd 0
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;delta dd 0
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;resolution dd 0
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;compression dd 0
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raw_area dd 0
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