https://bugs.documentfoundation.org/show_bug.cgi?id=141063
Bug ID: 141063
Summary: White lines during scrolling across bitmap images
Product: LibreOffice
Version: 7.2.0.0.alpha0+ Master
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: UI
Assignee: [email protected]
Reporter: [email protected]
Description:
Using LO 7.1.1 there were issues with alpha blending (see screenshot 1).
Something has changed and this issue disappeared with LO 7.1.2 (see screenshot
2). Furthermode bitmap images were rendered blurry with LO 7.1.1 (see
screenshot 3). With LO 7.1.2 these images are sharp again (see screenshot 4),
but there is a new issue: When scrolling over window borders white lines remain
within the images (see screenshot 5).
Steps to Reproduce:
1. Open attached file "Example.odt" with Writer
2. Scroll up and down in a way that the images crosses the upper or lower
window border
Actual Results:
White lines remain after scrolling (see screenshot 5)
Expected Results:
Image is displayed without white lines (as in screenshot 4 prior to scrolling)
Reproducible: Always
User Profile Reset: No
Additional Info:
Issue existis with all LO applications (tested with Writer and Impress).
Changes between LO 7.1.1 and LO 7.1.2 concern not only macOS (which has been
used for the screenshots). Change between LO 7.1.1 and 7.1.2 is visible e.g.
using GTK too.
Issue existis on master as well as on LO 7.1.2 branch.
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