Bug #36597: colorspace change in imagemagick 6.7.5 from RGB to sRGB - TYPO3 Core - TYPO3 Forge

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Watchers (12)

Andreas Mayer
Bernd Niehues
Dirk Klimpel
Florian Carstens
Fritz-Michael Gschwantner
Gerhard Rupp
Henrik Braune
Ivan Ruiz Gallego
Jan Perdoch
Jan Schröder
Michael Heigl
Tobias Schmidt

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Bug #36597

closed

colorspace change in imagemagick 6.7.5 from RGB to sRGB

Added by Jan Perdoch about 12 years ago. Updated over 5 years ago.

Status:

Closed

Priority:

Must have

Assignee:

Category:

Image Cropping

Target version:

Start date:

2012-04-26

Due date:

% Done:

100%

Estimated time:

TYPO3 Version:

4.5

PHP Version:

Tags:

Complexity:

Is Regression:

Sprint Focus:

Description

After upgrading imagemagick to new version are all new generated images darker as uploaded. Problem is caused by changing colorspace in imagemagick (probably from version 6.7.0). There is simple fix: just change (3 times) -colorspace RGB to -colorspace sRGB in class.t3lib_stdgraphic.php. But nicer will be to have version depending switch or possibility change colorspace in install tool.

our conf:
php 5.3.5
imagemagick 6.7.5-5
typo3 4.5.14 and 4.5.15

It seems, that same problem will be on 4.6 and 4.7 too, because they use also -colorspace RGB.

Files

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typo3-images-image-processing.PNG (302 KB) typo3-images-image-processing.PNG	Problem is seen also in install tool.	Jan Perdoch, 2012-04-26 10:51
36597.diff (2.58 KB) 36597.diff		Bernd Niehues, 2012-11-07 16:04

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Updated by Jan Perdoch about 12 years ago

File typo3-images-image-processing.PNG typo3-images-image-processing.PNG added

Problem is seen also in install tool.

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Updated by Alex no-lastname-given over 11 years ago

Bug still exists on this configuration:
php 5.3.13
imagemagick 6.7.8-6
typo3 4.7.4

Replacing RGB to sRGB (3 times) helps, many thanks to Jan Perdoch

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Updated by Andreas Mayer over 11 years ago

Priority changed from Should have to Must have

I had to upgrade ImageMagick because the old versions had security issues. Can confirm this bug with:

Typo3/4.7.4
ImageMagick-nox11-6.7.9.4

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Updated by Andreas Mayer over 11 years ago

For a workaround, see http://blog.dev001.net/post/32682776195/typo3-workaround-for-too-dark-images-since

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Updated by Fritz-Michael Gschwantner over 11 years ago

Came across this problem as well. Config:

php 5.4.7
ImageMagick 6.8.0.4
Typo3 4.5.20

I changed the IM parameters in the source as described above, seemed more straight forward to me in this case, than trying to create wrappers etc. ;). Hopefully this gets fixed in Typo3's source too at some point

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Updated by Bernd Niehues over 11 years ago

File 36597.diff 36597.diff added

I tried to solve the problem by identifing the ImageMagick version with the identify command, which worked well for me. Maybe there is a better solution. But for now here is my one. The diff was created with a 4.7.4 core.

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Updated by Andreas Mayer over 11 years ago

Maybe all these Typo3 ImageMagick settings (negate mask, mask inv. etc) could be replaced by an "ImageMagick version" setting that contains the full version info (not just major number)? All further settings could be derived from this one.

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Updated by Kay Strobach over 11 years ago

Maybe all these Typo3 ImageMagick settings (negate mask, mask inv. etc) could be replaced by an "ImageMagick version" setting that contains the full version info (not just major number)? All further settings could be derived from this one.

I would definitly prefer a version based preset, that all manual settings :D -> the manual should be still applyable in the Localconfiguration :D

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