- From: Irene Vatton <Irene.Vatton@inria.fr>
- Date: Wed, 09 Jul 2008 16:57:52 +0200
- To: Helder Magalhães <helder.magalhaes@gmail.com>
- Cc: www-amaya <www-amaya@w3.org>
Le mercredi 09 juillet 2008 à 13:45 +0100, Helder Magalhães a écrit : > > I just switched from 10.1-pre1 to 10.1-pre2 and it's now unusable due to > > problems with the display. As you scroll up and down or try to update a > > document by typing, bits of the document appear incorrectly in rectangular > > areas in the main editing area. > > Not sure if you are experiencing the same issue but I've confirmed > something which looks similar and can always be reproduced: > > Steps to reproduce: > 1. Open Amaya home page [1] within Amaya; > 2. Place the cursor before the W3C logo (or before any image, > afterwards doesn't reproduce symptom); > 3. Type some text (without pressing space nor causing line wrapping). > > Expected results: > Text typed would cause image contents to be pushed (to the right) > along with text. > > Actual results: > Only a part of images are moved along with text, causing a weird visual effect. Right, this is a problem with the size of the refreshed area. > > Notes: > Without much digging, I'd say this seems related to a canvas > invalidation issue: only a partial area, whose height equals typed > text, is invalidated. Remaining portion of canvas is left intact until > a "major" update (such as pressing space or scrolling, for example) is > performed. > Attached image shows the experienced symptom. > > Workaround: > This symptom seems to vanish once a "major" repaint operation is > triggered. This can be made, for example, through: > * Pressing space while typing; > * Scroll operation (using middle mouse button or the scroll bars). > > Environment: > Operating System - Windows XP SP3; > Amaya version - amaya 10.1 (Jul 2 2008). > > > Regards, > > Helder Magalhães > > [1] http://www.w3.org/Amaya/ -- Irene Vatton <Irene.Vatton@inria.fr> INRIA
Received on Wednesday, 9 July 2008 14:58:35 UTC