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mark76

How do I plot pixels on a GUI window

2 posts in this topic

Hi,

Im trying to create an auto it GUI window that shows a 100x100 square of graphics around the current location of the mouse.

I can't see any commands for put pixel or setpixel colour.

Does anybody know how to do this ?

Thanks,

Mark.

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#2 ·  Posted (edited)

Hi,

you may try this:

#include <GUIConstants.au3>
HotKeySet("{ESC}", "_end")

Global $start = MouseGetPos()

$gui = GUICreate("GUI", 30, 30, $start[0] - 15, $start[1] - 15, $WS_POPUP, $WS_EX_TOPMOST)
GUISetBkColor(0x00FF00)

_GUICreateInvRect($gui, 5, 5, 20, 20)
GUISetState()

While 1
    Sleep(10)
    $now = MouseGetPos()
    WinMove($gui, "", $now[0] - 15, $now[1] - 15)
WEnd

Func _GUICreateInvRect($hwnd, $l, $t, $w, $h)
    $pos = WinGetPos($hwnd)

    $1 = 0
    $2 = 0
    $3 = $pos[2]
    $4 = $t
    $ret = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", $1, "long", $2, "long", $3, "long", $4)
    $1 = 0
    $2 = 0
    $3 = $l
    $4 = $pos[3]
    $ret2 = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", $1, "long", $2, "long", $3, "long", $4)
    $1 = $l + $w
    $2 = 0
    $3 = $pos[2]
    $4 = $pos[3]
    $ret3 = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", $1, "long", $2, "long", $3, "long", $4)
    $1 = 0
    $2 = $t + $h
    $3 = $pos[2]
    $4 = $pos[3]
    $ret4 = DllCall("gdi32.dll", "long", "CreateRectRgn", "long", $1, "long", $2, "long", $3, "long", $4)

    DllCall("gdi32.dll", "long", "CombineRgn", "long", $ret[0], "long", $ret[0], "long", $ret2[0], "int", 2)
    DllCall("gdi32.dll", "long", "CombineRgn", "long", $ret[0], "long", $ret[0], "long", $ret3[0], "int", 2)
    DllCall("gdi32.dll", "long", "CombineRgn", "long", $ret[0], "long", $ret[0], "long", $ret4[0], "int", 2)

    DllCall("user32.dll", "long", "SetWindowRgn", "hwnd", $hwnd, "long", $ret[0], "int", 1)
EndFunc   ;==>_GUICreateInvRect

Func _end()
    Exit(0)
EndFunc

So long,

Mega

Edited by th.meger

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