Screenshots taller than the window do not display when scrolled
Categories
(Firefox :: Screenshots, defect, P2)
Tracking
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| Tracking | Status | |
|---|---|---|
| firefox-esr78 | --- | unaffected |
| firefox83 | --- | unaffected |
| firefox84 | --- | unaffected |
| firefox85 | --- | unaffected |
| firefox86 | --- | verified |
People
(Reporter: cpeterson, Assigned: emmamalysz)
References
(Regression)
Details
(Keywords: regression)
Attachments
(2 files)
tall-screenshot.png
@ Emma, this is a regression in 86 Nightly from your fix for bug 1664444:
Bug 1664444 was about Fission screenshots, but this regression affects both Fission and non-Fission users.
Steps to reproduce
- Open a long web page.
- Take a screenshot of just part of the page, but drag the screenshot area down the page so the screenshot area is taller than the window height.
- Paste the screenshot image into another program, such as Microsoft Paint.
Expected result
The screenshot should show the complete area selected.
Actual result
The portion of the screenshot scrolled out of the window view is black. See the attached screenshot.
This bug only happens if you COPY the screenshot and PASTE into another program. If you "download" the screenshot directly from Firefox's Screenshot UI, the saved image file is complete without any black areas.
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Updated•4 years ago
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Updated•4 years ago
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Updated•4 years ago
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Comment 1•4 years ago
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We will create the image using the selected position, and the canvas
will use the image coordinates, which have not been adjusted
for scrolling
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Updated•4 years ago
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Pushed by emalysz@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/a5cef92cf6ce ignore scroll coordinates when taking screenshots r=sfoster
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Comment 4•4 years ago
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| bugherder | ||
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Updated•4 years ago
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Comment 5•4 years ago
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Reproduced with Fx 86.0a1 (2020-12-17) on Windows 10.
Verified fixed with Fx 87.0a1 (2021-02-01) and Fx 86.0b4 on Windows 10 and Ubuntu 18.04.
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Updated•4 years ago
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Description
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