Jump to content
Deye

Image to screen without a GUI

Recommended Posts

Deye

For anyone who would like to try this out,

I want to deliberately make a ghost image of a last state (picture) GUI window which holds some info at it's exit time

Just before its done doing its thing and exits it should leave a print of its own state on the screen at the same fixed location it usually shows up on (the script runs as as _Singleton hourly)
 with a F5 desktop refresh the image should then disappear

The example for _WinAPI_PrintWindow() looks close enough on getting this done , with the example below I'm only setting the GUI as a BMP printed in to the GUI itself on a resize msg

With my tries I couldn't yet get an image printed on to the screen, ..the Idea is to perhaps avoid the use of _WinAPI_DeleteObject deliberately once this is somehow resolved ..

#include <GuiConstants.au3>
#include <ScreenCapture.au3>

Opt("PixelCoordMode", 0)

$hGUI = GUICreate("My GUI", 400, 300, -1, -1, $WS_SIZEBOX)
GUICtrlCreateButton("OK", 80, 100, 85, 25)

GUISetState()

While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            ExitLoop
        Case $GUI_EVENT_RESIZED

             $tRect = _WinAPI_GetWindowRect($hGUI)
             $a = StringSplit(DllStructGetData($tRect, 1) & ',' & DllStructGetData($tRect, 2) & ',' & DllStructGetData($tRect, 3) & ',' & DllStructGetData($tRect, 4), ',', 1)
             $hBMP = _ScreenCapture_Capture("", $a[1] - 10, $a[2] , $a[3], $a[4], False)

            ; Draw bitmap to GUI
            _GDIPlus_Startup()
            $hBitmap = _GDIPlus_BitmapCreateFromHBITMAP($hBMP)
            $hGraphic = _GDIPlus_GraphicsCreateFromHWND($hGUI)
            _GDIPlus_GraphicsDrawImage($hGraphic, $hBitmap, 0, 0)

            ; Clean up resources
            _GDIPlus_GraphicsDispose($hGraphic)
            _GDIPlus_BitmapDispose($hBitmap)
            _WinAPI_DeleteObject($hBMP)

            ; Shut down GDI+ library
            _GDIPlus_Shutdown()
    EndSwitch
WEnd

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

×