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