;---------------------------------------------------------------------
; Screen Ruler v1.0
; Version for KolibriOS 2005-2023
;---------------------------------------------------------------------
; last update: 11.09.2023
; created by: Subbotin Anton aka Spaceraven
;---------------------------------------------------------------------
use32
org 0x0
db 'MENUET01'; 8 byte id
dd 1 ; header version
dd START ; program start
dd I_END ; program image size
dd 0x1000 ; required amount of memory
dd 0x1000 ; esp
dd 0, 0 ; no parameters, no path
;---------------------------------------------------------------------
include 'lang.inc'
include '..\..\macros.inc'
delay = 20
magnify_width = 48
magnify_height = 30
magnify_halfwidth = magnify_width / 2
magnify_halfheight = magnify_height / 2
aim0 = (magnify_halfheight - 1) * 65536 + magnify_halfwidth - 1
aim1 = (magnify_halfheight - 1) * 65536 + magnify_halfwidth + 1
aim2 = (magnify_halfheight + 1) * 65536 + magnify_halfwidth - 1
aim3 = (magnify_halfheight + 1) * 65536 + magnify_halfwidth + 1
;------------------------- Main cycle
START:
redraw:
call draw_window
still:
call draw_magnify
wtevent:
mcall 23, delay ; wait here for event with timeout
dec eax
js still
jz redraw
dec eax
jnz button
; key in buffer
mov eax, 2
mcall
cmp ah, 32
jnz wtevent
mov eax, [mouse_x]
mov [pix1_x], eax
mov eax, [mouse_y]
mov [pix1_y], eax
jmp wtevent
;---------------------------------------------------------------------
button:
; we have only one button, close
or eax, -1
mcall
;------------------------- Window draw
draw_window:
mcall 12, 1
mov al, 48 ; function 48 : graphics parameters
mov bl, 4 ; subfunction 4 : get skin height
mcall
; DRAW WINDOW
mov ebx, 100*65536 + 4*magnify_width + 9
lea ecx, [eax + 100*65536 + 4*magnify_height + 128]
mov edx, 0x34000000 ; color of work area RRGGBB
mov edi, labelt ; header
xor eax, eax ; function 0 : define and draw window
mcall
mov eax, 71
mov ebx, 1
mov ecx, labelt
mcall 12,2
ret
;------------------------- Magnify draw
draw_magnify:
mcall 9, procinfo, -1
mov eax, [procinfo+70] ;status of window
test eax,100b
jne .end
mcall 14 ; get screen size
movzx ecx, ax
inc ecx
mov [screen_size_y], ecx
shr eax, 16
inc eax
mov [screen_size_x], eax
xor ebx, ebx
mcall 37 ; get mouse coordinates
mov ecx, eax
shr ecx, 16 ; ecx = x
movzx edx, ax ; edx = y
mov [mouse_x], ecx
mov [mouse_y], edx
add ecx, magnify_halfwidth
add edx, magnify_halfheight
mov [magnify_area_end_x], ecx
mov [magnify_area_end_y], edx
sub ecx, magnify_width
sub edx, magnify_height
mov [magnify_area_start_x], ecx
mov [magnify_area_start_y], edx
.loop_y:
.loop_x:
xor eax, eax ; assume black color for invalid pixels
test ecx, ecx
js .nopix
cmp ecx, [screen_size_x]
jge .nopix
test edx, edx
js .nopix
cmp edx, [screen_size_y]
jge .nopix
mov ebx, edx
sub ebx, [magnify_area_start_y]
shl ebx, 16
mov bx, cx
sub ebx, [magnify_area_start_x]
cmp ebx, aim0
jz .nopix
cmp ebx, aim1
jz .nopix
cmp ebx, aim2
jz .nopix
cmp ebx, aim3
jz .nopix
mov ebx, edx
imul ebx, [screen_size_x]
add ebx, ecx
mcall 35 ; read pixel
.nopix:
push ecx edx
sub ecx, [magnify_area_start_x]
sub edx, [magnify_area_start_y]
mov ebx, ecx
shl ebx, 2+16
mov bl, 4
mov ecx, edx
shl ecx, 2+16
mov cl, 4
mov edx, eax
mcall 13 ; draw rectangle 8x8
pop edx ecx
inc ecx
cmp ecx, [magnify_area_end_x]
jnz .loop_x
mov ecx, [magnify_area_start_x]
inc edx
cmp edx, [magnify_area_end_y]
jnz .loop_y
;------------------------- Measure labels draw
mov eax, 4
mov ebx, 8*65536 + 124
mov ecx, 11110000111100001111000011110000b
mov edx, start_pix
xor edi, edi
mcall 4
add ebx, 20
mov edx, end_pix
mcall 4
add ebx, 20
mov edx, measure_x
mcall 4
add ebx, 20
mov edx, measure_y
mcall 4
add ebx, 20
mov edx, measure_d
mcall 4
add ebx, 20
mov edx, inf
mcall 4
mov ebx, 0x80040000
mov ecx, [mouse_x]
mov edx, 12*8*65536 + 144
mov esi, 0x50FFFFFF
xor edi, edi
mcall 47
sub ecx, [pix1_x]
jns .sign1
neg ecx
.sign1:
mov edx, 14*8*65536 + 164
mov [dist_x], ecx
mcall 47
mov ecx, [mouse_y]
mov edx, 18*8*65536 + 144
mcall 47
sub ecx, [pix1_y]
jns .sign2
neg ecx
.sign2:
mov [dist_y], ecx
mov edx, 14*8*65536 + 184
mcall 47
mov ecx, [pix1_y]
mov edx, 18*8*65536 + 124
mcall 47
mov ecx, [pix1_x]
mov edx, 12*8*65536 + 124
mcall 47
mov eax, [dist_x]
mov ebx, eax
mul bx
mov cx, dx
shl ecx, 16
mov cx, ax
mov eax, [dist_y]
mov ebx, eax
mul bx
mov si, dx
shl esi, 16
mov si, ax
add ecx, esi
mov [diag_l], ecx
finit
fild [diag_l]
fsqrt
fistp [diag_l]
mov ebx, 0x80040000
mov ecx, [diag_l]
mov edx, 12*8*65536 + 204
mov esi, 0x50FFFFFF
xor edi, edi
mcall 47
.end:
ret
;------------------------- Data area
if lang eq ru
labelt:
db 3, 'Измеритель', 0
start_pix:
db 'Пиксель 1 ( , )', 0
end_pix:
db 'Пиксель 2 ( , )', 0
measure_x:
db 'Дистанция x ( )', 0
measure_y:
db 'Дистанция y ( )', 0
measure_d:
db 'Диагональ ( )', 0
inf:
db 'Нажмите пробел', 0
else
labelt:
db 3, 'Ruler', 0
start_pix:
db 'Pixel 1 ( , )', 0
end_pix:
db 'Pixel 2 ( , )', 0
measure_x:
db 'Distance x ( )', 0
measure_y:
db 'Distance y ( )', 0
measure_d:
db 'Diagonal ( )', 0
inf:
db 'Press Space', 0
end if
I_END:
align 4
magnify_area_start_x dd ?
magnify_area_start_y dd ?
magnify_area_end_x dd ?
magnify_area_end_y dd ?
screen_size_x dd ?
screen_size_y dd ?
mouse_x dd ?
mouse_y dd ?
pix1_x dd 0
pix1_y dd 0
dist_x dd 0
dist_y dd 0
diag_l dd 0
;---------------------------------------------------------------------
procinfo:
rb 1024
;---------------------------------------------------------------------