kolibrios/programs/media/bmpview/trunk/bmpview.asm

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;
; BMP VIEWER
; modified by Ivan Poddubny
;
; Compile with FASM for Menuet
;
use32
org 0x0
db 'MENUET01' ; 8 byte id
dd 0x01 ; header version
dd START ; start of code
dd I_END ; size of image
dd 0x300000 ; memory for app
dd 0xfff0 ; esp
dd I_Param , 0x0 ; I_Param , I_Icon
include 'lang.inc'
include 'macros.inc'
START: ; start of execution
cmp dword [I_Param],0
je noparam
cmp dword [I_Param],'BOOT'
jne noboot
call load_image
call set_as_background
mov eax,15
mov ebx,4
mov ecx,2
int 0x40
mov eax,15
mov ebx,3
int 0x40
or eax,-1
int 0x40
noboot:
mov edi,name_string
mov al,0
mov ecx,70
rep stosb
mov ecx,50
mov edi,I_Param
repne scasb
sub edi,I_Param
mov ecx,edi
mov esi,I_Param
mov edi,name_string
cld
rep movsb
call load_image
noparam:
call draw_window ; at first, draw the window
still:
mov eax,10 ; wait here for event
int 0x40
cmp eax,1 ; redraw request ?
je red
cmp eax,2 ; key in buffer ?
je key
cmp eax,3 ; button in buffer ?
je button
jmp still
red: ; redraw
call draw_window
jmp still
key: ; key
mov eax,2 ; just read it and ignore
int 0x40
jmp still
button: ; button
mov eax,17 ; get id
int 0x40
cmp ah,1 ; button id=1 ?
jne noclose
mov eax,-1 ; close this program
int 0x40
noclose:
cmp ah,2
jne no_file_name
call read_string
jmp still
no_file_name:
cmp ah,3
jne no_load_image
call load_image
call draw_window
jmp still
no_load_image:
cmp ah,4
jne no_setasbackground
call set_as_background
jmp still
no_setasbackground:
cmp ah,5
jne no_tiled
mov eax,15
mov ebx,4
mov ecx,1
int 0x40
mov eax,15
mov ebx,3
int 0x40
jmp still
no_tiled:
cmp ah,6
jne no_stretch
mov eax,15
mov ebx,4
mov ecx,2
int 0x40
mov eax,15
mov ebx,3
int 0x40
jmp still
no_stretch:
jmp still
type dd 0x0
i_pos dd 0x0
x_size dd 0x1
y_size dd 0x1
bpp dd 0x24
temp dd 999
fileinfoblock:
dd 0 ; 0 = read
dd 0 ; first 512 block
dd 1 ; number of blocks to read
dd 0x10000+1024 ; read to
dd 35 ; 17000 byte work area
name_string:
db '/HARDDISK/FIRST/MENUET/PICS/NEW.BMP',0
times 100 db 0
read_header:
pusha
mov edi,0x10000
mov ecx,100
mov eax,0
cld
rep stosb
mov [fileinfoblock+ 8],dword 1
mov [fileinfoblock+12],dword 0x10000
push dword [name_string-4]
mov [name_string-4],dword 0x20000
mov eax,58
mov ebx,fileinfoblock
int 0x40
pop dword [name_string-4]
movzx eax,word [0x10000+0]
mov [type],eax
mov eax,[0x10000+10]
mov [i_pos],eax
mov eax,[0x10000+18]
mov [x_size],eax
mov eax,[0x10000+22]
mov [y_size],eax
movzx eax,word [0x10000+28]
mov [bpp],eax
popa
ret
draw_picture_info:
pusha
mov eax,13
mov ebx,380*65536+6*5
mov ecx,65*65536+40
mov edx,0xffffff
int 0x40
mov eax,47
mov ebx,5*65536
mov ecx,[x_size]
mov edx,380*65536+65
mov esi,0x224466
int 0x40
mov ecx,[y_size]
add edx,10
int 0x40
mov ecx,[bpp]
add edx,20
int 0x40
popa
ret
load_image:
pusha
call read_header
cmp word [type],'BM'
je ok_image
cmp [bpp],24
je ok_image
mov eax,13 ; not found !
mov ebx,150*65536+50
mov ecx,100*65536+50
mov edx,0xff0000
int 0x40
mov eax,5
mov ebx,100
int 0x40
jmp retimage
ok_image:
call draw_picture_info
mov [fileinfoblock+8],dword 0x100000/512
mov eax,0x80000
sub eax,[i_pos]
mov [fileinfoblock+12],eax
push dword [name_string-4]
mov [name_string-4],dword 0x20000
mov eax,58
mov ebx,fileinfoblock
int 0x40
pop dword [name_string-4]
mov eax,[x_size]
imul eax,3
mov [x_delta],eax
mov ebx,[y_size]
dec ebx
imul eax,ebx
add eax,0x80000
mov esi,eax
mov edi,0x180000
newln:
push esi
push edi
mov ecx,[x_delta]
cld
rep movsb
pop edi
pop esi
sub esi,[x_delta];640*3
add edi,[x_delta];640*3
cmp esi,0x80000
jge newln
retimage:
popa
ret
x_delta dd 0x1
draw_image:
pusha
; mov eax,7 ; draw with putimage
; mov ebx,0x180000
; mov ecx,200*65536+160
; mov edx,14*65536+28
; int 0x40
; mov eax,5
; mov ebx,200
; int 0x40
mov ebx,0 ; show the image as 320x240 picture
mov ecx,0
times 6 db 0x90
newpix:
push ebx
push ecx
mov eax,[esp]
imul eax,[y_size]
mov ebx,240
xor edx,edx
div ebx
imul eax,3
imul eax,[x_size]
mov esi,eax
mov eax,[esp+4]
imul eax,[x_size]
mov ebx,320
xor edx,edx
div ebx
imul eax,3
add esi,eax
mov edx,[0x180000+esi]
and edx,0xffffff
pop ecx
pop ebx
add ebx,20
add ecx,40
mov eax,1
int 0x40
add ebx,-20
add ecx,-40
inc ebx
cmp ebx,320
jb newpix
xor ebx,ebx
inc ecx
cmp ecx,240
jb newpix
popa
ret
set_as_background:
pusha
mov esi,0x180000
new_smooth:
xor eax,eax
xor ebx,ebx
mov al,[esi]
mov bl,[esi+3]
add eax,ebx
mov bl,[esi+6]
add eax,ebx
mov bl,[esi+9]
add eax,ebx
shr eax,2
and eax,0xff
inc esi
cmp esi,0x180000+640*480*3
jbe new_smooth
mov eax,15
mov ebx,1
mov ecx,[x_size]
mov edx,[y_size]
int 0x40
mov eax,15
mov ebx,5
mov ecx,0x180000
mov edx,0
mov esi,640*480*3
int 0x40
mov eax,15
mov ebx,3
int 0x40
popa
ret
ya dd 300
addr dd name_string
case_sens db 0
read_string:
pusha
mov edi,[addr]
mov eax,[addr]
mov eax,[eax-4]
mov [temp],eax
add edi,eax
call print_strings
f11:
mov eax,10
int 0x40
cmp eax,2
jne read_done
int 0x40
shr eax,8
cmp eax,13
je read_done
cmp eax,192
jne noclear
xor eax,eax
mov [temp],eax
mov edi,[addr]
mov [edi-4],eax
mov ecx,49
cld
rep stosb
mov edi,[addr]
call print_strings
jmp f11
noclear:
cmp eax,8
jnz nobsl
cmp [temp],0
jz f11
dec [temp]
mov edi,[addr]
add edi,[temp]
mov [edi],byte 0
mov eax,[addr]
dec dword [eax-4]
call print_strings
jmp f11
nobsl:
cmp [temp],50
jae read_done
cmp eax,dword 31
jbe f11
cmp [case_sens],1
je keyok
cmp eax,dword 95
jb keyok
add eax,-32
keyok:
mov edi,[addr]
add edi,[temp]
mov [edi],al
inc [temp]
mov eax,[addr]
inc dword [eax-4]
call print_strings
cmp [temp],50
jbe f11
read_done:
mov ecx,50
sub ecx,[temp]
mov edi,[addr]
add edi,[temp]
xor eax,eax
cld
rep stosb
mov [temp],999
call print_strings
popa
ret
print_strings:
pusha
mov eax,13
mov ebx,80*65536+6*45
mov ecx,[ya]
shl ecx,16
add ecx,12
mov edx,0xffffff
int 0x40
mov edx,[addr]
mov esi,[edx-4]
mov eax,4
mov ebx,80*65536+2
add ebx,[ya]
mov ecx,0
int 0x40
cmp [temp],50
ja @f
mov eax,[ya]
mov ebx,eax
shl eax,16
add eax,ebx
add eax,10
mov ecx,eax
mov eax,[temp]
imul eax,eax,6
add eax,80
mov ebx,eax
shl eax,16
add ebx,eax
mov eax,38
mov edx,0
int 0x40
@@:
popa
ret
; *********************************************
; ******* WINDOW DEFINITIONS AND DRAW ********
; *********************************************
draw_window:
mov eax,12 ; function 12:tell os about windowdraw
mov ebx,1 ; 1, start of draw
int 0x40
; DRAW WINDOW
mov eax,0 ; function 0 : define and draw window
mov ebx,20*65536+444 ; [x start] *65536 + [x size]
mov ecx,10*65536+333 ; [y start] *65536 + [y size]
mov edx,0x03ffffff ; color of work area RRGGBB,8->color gl
mov esi,0x808899ff ; color of grab bar RRGGBB,8->color gl
mov edi,0x008899ff ; color of frames RRGGBB
int 0x40
; WINDOW LABEL
mov eax,4 ; function 4 : write text to window
mov ebx,8*65536+8 ; [x start] *65536 + [y start]
mov ecx,0x10ddeeff ; color of text RRGGBB
mov edx,labelt ; pointer to text beginning
mov esi,labellen-labelt ; text length
int 0x40
mov eax,8
mov ebx,20*65536+52
mov ecx,295*65536+16
mov edx,2
mov esi,0x306090
int 0x40
add ebx,336*65536+20
add ecx,5*65536
mov edx,3
int 0x40
sub ecx,20*65536
mov edx,4
int 0x40
sub ecx,40*65536
inc edx
int 0x40
add ecx,20*65536
inc edx
int 0x40
mov ebx,346*65536+45
mov edx,info+1
mov esi,15
newinfo:
mov ecx,[tcolor]
cmp [edx-1],byte 'w'
jne nowhite
mov ecx,[btcolor]
nowhite:
mov eax,4
int 0x40
add ebx,10
add edx,16
cmp [edx-1],byte 'x'
jne newinfo
mov ebx,20*65536+300 ; draw info text with function 4
mov ecx,[btcolor]
mov edx,text
mov esi,70
newline:
mov eax,4
int 0x40
add ebx,10
add edx,esi
cmp [edx],byte 'x'
jne newline
call print_strings
call draw_image
call draw_picture_info
mov eax,12 ; function 12:tell os about windowdraw
mov ebx,2 ; 2, end of draw
int 0x40
ret
; DATA AREA
tcolor dd 0x000000
btcolor dd 0x224466+0x808080
text:
db ' FILE: '
db 'x'
info:
db ' IMAGE INFO '
db ' '
db ' X: '
db ' Y: '
db ' '
db ' BPP: '
db ' '
db ' '
db ' 16M COLOURS '
db ' 640x480 max '
times 10 db ' '
db 'w TILED '
db ' '
db 'w STRETCH '
db ' '
db 'w SET AS BGR '
db ' '
db 'w LOAD '
db 'x'
labelt: db 'BMP VIEWER'
labellen:
I_END:
I_Param: