kolibrios/programs/demos/magnify/trunk/magnify.asm

349 lines
5.9 KiB
NASM
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;
; MAGNIFY SCREEN
;
; Compile with FASM for Menuet
;
use32
org 0x0
db 'MENUET00' ; 8 byte id
dd 38 ; required os
dd START ; program start
dd I_END ; program image size
dd 0x10000 ; required amount of memory
dd 0x10000
dd 0x00000000 ; reserved=no extended header
include 'lang.inc'
include 'macros.inc'
scr equ 0x1000
START: ; start of execution
mov esp,0xfff0
mov eax,14 ; get screen size
int 0x40
push eax
and eax,0x0000ffff
add eax,1
mov [size_y],eax
pop eax
shr eax,16
add eax,1
mov [size_x],eax
mov eax,[size_x]
shr eax,2
mov [cmp_ecx],eax
mov eax,[size_x]
xor edx,edx
mov ebx,3
mul ebx
mov [add_esi],eax
mov eax,[size_y]
shr eax,2
mov [cmp_edx],eax
call draw_window ; at first, draw the window
still:
call draw_screen
mov eax,23 ; wait here for event with timeout
mov ebx,[delay]
int 0x40
cmp eax,1 ; redraw request ?
jz red
cmp eax,2 ; key in buffer ?
jz key
cmp eax,3 ; button in buffer ?
jz 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 ?
jnz noclose
mov eax,0xffffffff ; close this program
int 0x40
noclose:
cmp ah,2
jnz nosave
call save_screen
nosave:
jmp still
save_screen:
pusha
mov ebx,0
mov edi,0x10000
ss1:
mov eax,35
int 0x40
add ebx,1
mov [edi],eax
add edi,3
cmp edi,0xFFFF0
jb ss1
mov eax,33
mov ebx,filename
mov ecx,0x10000
mov edx,0xEFFF0
mov esi,0
int 0x40
popa
ret
filename db 'SCREEN RAW'
; *********************************************
; ******* 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,100*65536 ; [x start] *65536 + [x size]
mov ebx,100*65536+322
mov ecx,100*65536+262 ; [y start] *65536 + [y size]
mov edx,0x0;01111cc ; color of work area RRGGBB
mov esi,0x809977ff ; color of grab bar RRGGBB,8->color glide
mov edi,0x00ffff00 ; 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,0x00ffffff ; color of text RRGGBB
mov edx,labelt ; pointer to text beginning
mov esi,labellen-labelt ; text length
int 0x40
; CLOSE BUTTON
mov eax,8 ; function 8 : define and draw button
mov bx,12 ; [x start] *65536 + [x size]
mov ebx,(322-19)*65536+12
mov ecx,5*65536+12 ; [y start] *65536 + [y size]
mov edx,1 ; button id
mov esi,0x22aacc ; button color RRGGBB
int 0x40
call draw_screen
mov eax,12 ; function 12:tell os about windowdraw
mov ebx,2 ; 2, end of draw
int 0x40
ret
draw_screen:
call draw_magnify
ret
pusha
mov edi,scr
mov ecx,0
mov edx,0
mov esi,0
ds1:
mov eax,35
mov ebx,esi
int 0x40
stosd
sub edi,1
add esi,4
add ecx,1
cmp ecx,[cmp_ecx] ; 800/4
jb ds1
add esi,[add_esi] ; 800*3
mov ecx,0
add edx,1
cmp edx,[cmp_edx] ; 600/4
jb ds1
mov eax,7
mov ebx,scr
mov ecx,200*65536+160
mov ecx,[size_x]
shr ecx,2
shl ecx,16
mov cx,word [size_y]
shr cx,2
mov edx,20*65536+35
int 0x40
popa
call draw_magnify
ret
draw_magnify:
pusha
mov eax,37
mov ebx,0
int 0x40
mov ecx,eax
mov edx,eax
shr ecx,16
and edx,65535
sub ecx,39
sub edx,29
cmp ecx,3000
jb co1
popa
ret
co1:
cmp edx,3000
jb co2
popa
ret
co2:
and ecx,2047
and edx,2047
mov [m_x],ecx
mov [m_y],edx
add ecx,40
add edx,30
mov [m_xe],ecx
mov [m_ye],edx
mov ecx,[m_x]
mov edx,[m_y]
dm1:
push edx
mov eax,edx
mul [size_x]
pop edx
add eax,ecx
mov ebx,eax
mov eax,35
int 0x40
pusha
mov ebx,ecx
sub ebx,[m_x]
mov ecx,edx
sub ecx,[m_y]
shl ebx,3
add ebx,2
shl ebx,16
mov bx,7
shl ecx,3
add ecx,22
shl ecx,16
mov cx,7
mov edx,eax
mov eax,13
int 0x40
popa
add ecx,1
cmp ecx,[m_xe]
jnz dm1
mov ecx,[m_x]
add edx,1
cmp edx,[m_ye]
jnz dm1
popa
ret
; DATA AREA
m_x dd 100
m_y dd 100
m_xe dd 110
m_ye dd 110
size_x dd 0
size_y dd 0
cmp_ecx dd 0
add_esi dd 0
cmp_edx dd 0
delay dd 20
labelt:
db 'MAGNIFIER - MOVE MOUSE POINTER'
labellen:
I_END: