I agree, it is strange - my instinct is that there is something in my setup
- I have a virtual box installed, but I can reproduce the bug (often, but
not always) on both my machine at home and at work where we have the same
setup. I think you are correct in your analysis - I will confirm later -
thank you for trying.

Greg

On 11 March 2015 at 14:53, grofaty <email address hidden> wrote:

> Gregory, thanks for reporting a bug. How did you install Pinta on
> Ubuntu? What is your Ubuntu version?
>
> It looks like you are using a pinta-daily PPA, is it? Because I see this
> as only way to get "1.7" currently in Help | About. If you are using
> pinta-daily then I suggest to continue using it and update your Ubuntu
> software and if problem appears then please report back that we have
> information if this problem continues or was maybe fixed.
>
> I tried a lot of testing, but I am not able to reproduce this problem
> using forge.pinta-project.com Pinta development 1.7.0.140 on Windows 7
> and the same on Ubuntu 14.04. This is going to be nasty bug to diagnose,
> because it is difficult to confirm if bug exists in first place or there
> is something special in user environment.
>
> Cameron, what I see from Gegory's print-screen is:
> 1. In Images pad new image icon is visible, but it looks like image is
> transparent. This is strange except if whole screen was transparent when
> screenshot was performed.
> 2. Layers pad is empty after screenshot there should be one layer with
> name Background.
> 3. History pad is also empty after screenshot there should be New Image
> entry.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1428917
>
> Title:
>   Pinta crashes when I paste a screenshot into new image
>
> Status in Pinta:
>   New
>
> Bug description:
>   System.Reflection.TargetInvocationException: Exception has been thrown
> by the target of an invocation. ---> System.ArgumentOutOfRangeException:
> must be greater than 0
>   Parameter name: denominator
>     at Pinta.Core.ScaleFactor..ctor (Int32 numerator, Int32 denominator)
> [0x00000] in <filename unknown>:0
>     at Pinta.Core.DocumentWorkspace.WindowPointToCanvas (Double x, Double
> y) [0x00000] in <filename unknown>:0
>     at Pinta.Gui.Widgets.PintaCanvas.<PintaCanvas>m__4 (System.Object
> sender, Gtk.MotionNotifyEventArgs e) [0x00000] in <filename unknown>:0
>     at (wrapper managed-to-native)
> System.Reflection.MonoMethod:InternalInvoke
> (System.Reflection.MonoMethod,object,object[],System.Exception&)
>     at System.Reflection.MonoMethod.Invoke (System.Object obj,
> BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[]
> parameters, System.Globalization.CultureInfo culture) [0x00000] in
> <filename unknown>:0
>     --- End of inner exception stack trace ---
>     at System.Reflection.MonoMethod.Invoke (System.Object obj,
> BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[]
> parameters, System.Globalization.CultureInfo culture) [0x00000] in
> <filename unknown>:0
>     at System.Reflection.MethodBase.Invoke (System.Object obj,
> System.Object[] parameters) [0x00000] in <filename unknown>:0
>     at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x00000]
> in <filename unknown>:0
>     at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args)
> [0x00000] in <filename unknown>:0
>     at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args)
> [0x00000] in <filename unknown>:0
>     at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000] in
> <filename unknown>:0
>     at GLib.Signal.ClosureInvokedCB (System.Object o,
> GLib.ClosureInvokedArgs args) [0x00000] in <filename unknown>:0
>     at GLib.SignalClosure.Invoke (GLib.ClosureInvokedArgs args) [0x00000]
> in <filename unknown>:0
>     at GLib.SignalClosure.MarshalCallback (IntPtr raw_closure, IntPtr
> return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr
> invocation_hint, IntPtr marshal_data) [0x00000] in <filename unknown>:0
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/pinta/+bug/1428917/+subscriptions
>