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kolibrios/programs/media/zsea/plugins/scaling/scaling.asm
Marat Zakiyanov (Mario79) d250796055 zSea rc4 
1) background image to the proportional stretching with cropping
2) optimize scaling.obj
3) scaling.obj and convert.obj support RAW header to all cases is now

git-svn-id: svn://kolibrios.org@2163 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-09-07 16:34:44 +00:00

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;*****************************************************************************
; Scaling RAW image plugin - for zSea image viewer
; Copyright (c) 2009 - 2011, Marat Zakiyanov aka Mario79, aka Mario
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
; * Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; * Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
; * Neither the name of the <organization> nor the
; names of its contributors may be used to endorse or promote products
; derived from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;*****************************************************************************
; Scaling 32b, 24b, 16b, 8b
format MS COFF
public EXPORTS
section '.flat' code readable align 16
;include 'macros.inc'
include '../../../../macros.inc'
;---------------------------------------------------------------------
START:
pushad
mov eax,dword [esp+60] ; eax - crop size
mov ebx,eax
and eax,0xffff
shr ebx,16
mov [crop_x],ebx
mov [crop_y],eax
mov edi,dword [esp+56] ; edi - background color
mov esi,dword [esp+52] ; esi - filtering
mov edx,dword [esp+48] ; edx - scaling mode
mov ecx,dword [esp+44] ; ecx - start_coordinates
mov ebx,dword [esp+40] ; ebx - new_size
mov eax,dword [esp+36] ; eax - convert data table
mov [pointer],eax
test bx,bx
jnz @f
inc bx
@@:
ror ebx,16
test bx,bx
jnz @f
inc bx
@@:
rol ebx,16
mov [new_size],ebx
mov [start_coordinates],ecx
mov [scaling_mode],edx
mov [filtering],esi
mov [background_color],edi
mov eax,[eax+4]
mov [image_file],eax
mov esi,[eax+28]
add esi,eax
mov ebx,[eax+20]
add ebx,eax
mov [palette],ebx
mov ebx,[eax+12]
mov [resolution],ebx
cmp ebx,32
jne @f
mov ebp,dword START.32
jmp .1
@@:
cmp ebx,24
jne @f
mov ebp,dword START.24
jmp .1
@@:
cmp ebx,16
jne @f
mov ebp,dword START.16
jmp .1
@@:
cmp ebx,15
jne @f
inc ebx
mov ebp,dword START.16
jmp .1
@@:
cmp ebx,8
jne @f
mov ebp,dword START.8
@@:
.1:
shr ebx,3
mov [bytes_to_pixel],ebx
mov ebx,[eax+8]
mov [y],ebx
mov ebx,[eax+4]
mov [x],ebx
imul ebx,[bytes_to_pixel]
mov [size_x],ebx
mov eax,[crop_y]
test eax,eax
jz @f
mov [y],eax
@@:
mov eax,[crop_x]
test eax,eax
jz @f
mov [x],eax
@@:
mov eax,100
shl eax,12
mov ebx,[scaling_mode]
test ebx,ebx
jnz @f
inc ebx
@@:
xor edx,edx
div ebx
mov [scaling_delta],eax
call .get_memory
call .scaling
;---------------------------------------------------------------------
.ret_ok:
mcall 68,13,[area_for_x]
mov ebx,[pointer]
mov eax,[raw_area]
mov [ebx+20],eax ; store RAW pointer
; movzx eax,word [new_size.x1]
; mov [ebx+24],esi ;eax
; movzx eax,word [new_size.y1]
; mov [ebx+28],eax
; mov eax,[size_x]
; mov [ebx+32],eax
; mov eax,[bytes_to_pixel]
; mov [ebx+36],eax
; mov eax,[x]
; mov [ebx+40],eax
; mov eax,[y]
; mov [ebx+44],eax
.exit:
popad
ret 28
;---------------------------------------------------------------------
align 4
.scaling:
xor eax,eax
mov ax,[start_coordinates.y]
imul eax,[size_x]
add esi,eax
xor eax,eax
mov ax,[start_coordinates.x]
imul eax,[bytes_to_pixel]
add esi,eax
xor eax,eax
dec eax
mov [temp_y],eax
xor ecx,ecx
align 4
.y_2:
xor ebx,ebx
;-------------------------
align 4
.x_2:
call ebp
inc ebx
cmp bx,[new_size.x1]
jb .x_2
;-------------------------
inc ecx
cmp cx,[new_size.y1]
jb .y_2
ret
;---------------------------------------------------------------------
align 4
.32:
push ecx ebx
call .calculate_pixel
mov eax,[ecx]
call .check_filtering_32
pop ebx ecx
cld
stosd
ret
;---------------------------------------------------------------------
align 4
.24:
push ecx ebx
call .calculate_pixel
mov eax,[ecx]
call .check_filtering_24
cld
stosw
shr eax,16
pop ebx ecx
cld
stosb
ret
;---------------------------------------------------------------------
align 4
.16:
push ecx ebx
call .calculate_pixel
xor eax,eax
mov ax,[ecx]
call .check_filtering_16
pop ebx ecx
cld
stosw
ret
;---------------------------------------------------------------------
align 4
.8:
push ecx ebx
call .calculate_pixel
cmp [filtering],0
jne @f
mov al,[ecx]
pop ebx ecx
cld
stosb
ret
@@:
call .check_filtering_8
cld
stosw
shr eax,16
pop ebx ecx
cld
stosb
ret
;---------------------------------------------------------------------
align 4
.calculate_pixel:
test ecx,ecx
jz .offset_x
;.offset_y:
mov eax,ecx
mov ecx,[temp_y]
cmp eax,ecx
jne .new_y
mov eax,[temp_y_offset]
mov ecx,eax
jmp .offset_x
;--------------------------------
align 4
.new_y:
mov [temp_y],eax
mov ebx,[scaling_mode]
test ebx,ebx
jz @f
imul eax,[scaling_delta]
;--------------------------------
push ebx
mov ebx,eax
shr eax,12
and ebx,0xFFF
shl ebx,7 ;multiply 128
shr ebx,12
mov [next_pixel_y],ebx
pop ebx
;--------------------------------
jmp .ex_1
;--------------------------------
align 4
@@:
imul eax,dword [y]
;--------------------------------
align 4
@@:
mov bx,word [new_size.y1]
;--------------------------------
align 4
.y_div:
test ebx,ebx
jnz @f
inc ebx
;--------------------------------
align 4
@@:
xor edx,edx
div ebx
;--------------------------------
push eax
mov eax,edx
shl eax,7 ;multiply 128
xor edx,edx
div ebx
mov [next_pixel_y],eax
pop eax
;--------------------------------
align 4
.ex_1:
mov [temp_y1],eax
imul eax,[size_x]
mov [temp_y_offset],eax
mov ecx,eax
align 4
.offset_x:
test ebx,ebx
jz .finish
mov eax,[esp+4] ;ebx
mov edx,[esp+8]
test edx,edx
jz .continue
shl eax,3
add eax,[area_for_x]
mov edx,[eax+4]
mov [next_pixel_x],edx
mov eax,[eax]
jmp .ex_3
;--------------------------------
align 4
.continue:
mov ebx,[scaling_mode]
test ebx,ebx
jz @f
imul eax,[scaling_delta]
;--------------------------------
mov ebx,eax
shr eax,12
and ebx,0xFFF
shl ebx,7 ;multiply 128
shr ebx,12
mov [next_pixel_x],ebx
;--------------------------------
jmp .ex_2
;--------------------------------
align 4
@@:
imul eax,dword [x]
;--------------------------------
align 4
@@:
mov bx,word [new_size.x1]
;--------------------------------
align 4
.x_div:
test ebx,ebx
jnz @f
inc ebx
align 4
@@:
xor edx,edx
div ebx
;--------------------------------
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
mov edx,ecx
add ecx,44
mov eax,[image_file]
add ecx,[eax+24] ;palette area size
mcall 68,12
mov [raw_area],eax
mov edi,eax
; create RAW header
push esi
mov esi,[image_file]
mov ecx,44/4
cld
rep movsd ;copy the 3 first dword for the structure of RAW
mov edi,[raw_area]
movzx eax,word [new_size.x1]
mov [edi+4],eax
movzx eax,word [new_size.y1]
mov [edi+8],eax
mov [edi+32],edx ;rgb area size
xor eax,eax
mov [edi+36],eax ;transparency area pointer
mov [edi+40],eax ;transparency area size
cmp [filtering],eax ;0 or 1
je @f
mov [edi+20],eax ;palette area pointer
mov [edi+24],eax ;palette area size
mov [edi+28],dword 44 ;rgb area pointer
cmp [edi+12],dword 8 ;overall depth of the pixel
ja .not_overall_depth_8
mov [edi+12],dword 24 ;overall depth of the pixel
mov [edi+16],word 8 ;channel depth of the pixel
.not_overall_depth_8:
add edi,44
jmp .end
@@:
mov eax,[edi+24]
add edi,44
test eax,eax ;palette area is present?
jz @f
sub esi,44
mov ecx,[esi+24]
shr ecx,2
add esi,[esi+20]
cld
rep movsd ;copy palette area
@@:
.end:
pop esi
ret
;---------------------------------------------------------------------
include 'b_filter.inc'
;---------------------------------------------------------------------
align 4
EXPORTS:
dd szStart, START
dd szVersion, 0x00010003
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
crop_x dd 0
crop_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
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