[Gambas-user] Drawing Area Location in Screenshot Depends on Window Location on Desktop

[Fabien Bodard]

Use dachart.screenx, dachart.screeny.   and you will have what you want.
It's the position of the control on the entire screen.
Le 5 févr. 2014 16:42, "Louis W. Adams, Jr." <LouisWAdamsJr at ...407...> a
écrit :

> I have a drawing area control daChart on a form.  To extract an image of
> that
> control area using screenshot, I expected that the following would work,
> where picSave is a Picture object.  The number 28 accounts for the window
> control frame at the top for my screen resolution in Ubuntu (1920x1080).
>
> picSave = Desktop.Screenshot()
>
> With daChart
>     picSave = picSave.Copy(Me.Left + .X, Me.Top + .Y + 28, .Width, .Height)
> End With
>
> Instead I must do what follows.
>
> picSave = Desktop.Screenshot()
>
> With daChart
>     If (Me.Left > 0) Then
>         picSave = picSave.Copy(Me.Left + 2 * .X, Me.Top + 2 * .Y + 28,
> .Width, .Height)
>     Else
>         picSave = picSave.Copy(Me.Left + .X + 1, Me.Top + .Y + 28, .Width,
> .Height)
>     Endif
> End With
>
> In other words, if the form is not at the left edge of the desktop then I
> must double the drawing area control coordinates.  I see nothing wrong with
> coordinate values of the form or the control as reported by the debugger,
> and Screenshot() is unaffected by form location on the desktop, so the
> problem might be in the Copy method.
>
> Here are my system particulars.
>
> [System]
>     Gambas=3.5.2
>     OperatingSystem=Linux
>     Kernel=3.11.0-15-generic
>     Architecture=x86_64
>     Distribution=Ubuntu 13.10
>     Desktop=GNOME
>     Theme=QGtk
>     Language=en_US.UTF-8
>     Memory=32135M
> [Libraries]
>     Cairo=libcairo.so.2.11200.16
>     Curl=libcurl.so.4.3.0
>     DBus=libdbus-1.so.3.7.4
>     GStreamer=libgstreamer-0.10.so.0.30.0
>     GStreamer=libgstreamer-1.0.so.0.200.0
>     GTK+=libgtk-x11-2.0.so.0.2400.20
>     OpenGL=libGL.so.1.2.0
>     Poppler=libpoppler.so.43.0.0
>     Qt4=libQtCore.so.4.8.4
>     SDL=libSDL-1.2.so.0.11.4
>
> Lou
>
>
>
> --
> View this message in context:
> http://gambas.8142.n7.nabble.com/Drawing-Area-Location-in-Screenshot-Depends-on-Window-Location-on-Desktop-tp45541.html
> Sent from the gambas-user mailing list archive at Nabble.com.
>
>
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