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Bug #78816

closed

Grayscale-filter results in too dark images - Wrong colorspace used

Added by Stefan Neufeind over 7 years ago. Updated over 5 years ago.

Status:
Closed
Priority:
Should have
Assignee:
-
Category:
Image Generation / GIFBUILDER
Target version:
-
Start date:
2016-11-28
Due date:
% Done:

100%

Estimated time:
TYPO3 Version:
8
PHP Version:
Tags:
Complexity:
Is Regression:
No
Sprint Focus:

Description

How to reproduce:
  • Make sure you have a TYPO3-/ImageMagick-installation that requires using sRGB-colorspace so images don't appear too dark.
  • Insert a color-image on a page.
  • In the image-properties use the grayscale-filter.

Result: Resulting grayscale-image is too dark.

Reason: The parameter "-colorspace GRAY" is used. But the final image needs to be save in "-colorspace sRGB" again then. Otherwise colors are too dark.

Issue was discovered in TYPO3 7.6 but surely applies to master as well.

Actions #1

Updated by Gerrit Code Review over 7 years ago

  • Status changed from New to Under Review

Patch set 1 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at https://review.typo3.org/50791

Actions #2

Updated by Susanne Moog over 6 years ago

  • Category changed from Image Cropping to Image Generation / GIFBUILDER
Actions #3

Updated by Gerrit Code Review over 6 years ago

Patch set 2 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at https://review.typo3.org/50791

Actions #4

Updated by Gerrit Code Review about 6 years ago

Patch set 3 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at https://review.typo3.org/50791

Actions #5

Updated by Gerrit Code Review about 6 years ago

Patch set 1 for branch TYPO3_8-7 of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at https://review.typo3.org/55554

Actions #6

Updated by Stefan Neufeind about 6 years ago

  • Status changed from Under Review to Resolved
  • % Done changed from 0 to 100
Actions #7

Updated by Benni Mack over 5 years ago

  • Status changed from Resolved to Closed
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