Transparent image displayed for flick of a second using Undo action

Bug #1046162 reported by grofaty
This bug affects 1 person
Affects Status Importance Assigned to Milestone

Bug Description

Pinta latest development on Ubuntu 12.04.
1. New image: 300 x 300 px.
2. <Print-screen> and paste the image to Pinta using <Ctrl>+V.
3. Dialog appears. Click on "Expand canvas" button.
4. Click on Undo and for a you a flick of a second there is transparent window displayed (= bug) and after that original new image is displayed (this is OK). On slower computer this unneeded "transparent window display" for a flick of a second is more noticeable (on my old computer running Pinta inside virtual machine it is displayed for about half of a second).

This is tiny regression bug appeared after fixing bug 996490 using fix
according to Cam this is due "This is because the new history item is composed of two history items, each of which triggers a re-paint of the canvas." So we have to figure it out how to undo multiple history items without displaying all of the intermediate steps.

P.S. This is not a huge problem, just an annoyance to end-user to display something that is not needed, so you can mark this bug as Low priority.

Tags: undo
Changed in pinta:
importance: Undecided → Low
status: New → Confirmed
Revision history for this message
grofaty (grofaty) wrote :

Retested using master on Windows XP and this problem does not appear anymore on using Undo, but it does appear using Redo (after Undo was used).

grofaty (grofaty)
tags: added: undo
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