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Bug #80309

closed

Transparency outline stripped from PNGs when file is processed?

Added by Oliver Schlöbe over 7 years ago. Updated over 6 years ago.

Status:
Closed
Priority:
Should have
Assignee:
-
Category:
Image Generation / GIFBUILDER
Target version:
-
Start date:
2017-03-16
Due date:
% Done:

0%

Estimated time:
TYPO3 Version:
8
PHP Version:
7.1
Tags:
image, graphicsmagick, png, transparency, alpha
Complexity:
Is Regression:
No
Sprint Focus:

Description

Howdy,

I've stubled upon weird behaviour in TYPO3 which seems to strip/crop out transparent areas around an image which results in the processed image being smaller as the transparent parts seem to be stripped.

Steps to reproduce:
1) Filelist module > Upload th image original-file.png (see attached; note the transparent outline in the image)
2) Page > create element (images only) > use the uploaded file
3) Image will be rendered without the transparent area around (see stripped-transparency-result.png)

Anyone else has experienced this issue?

Thank you!

ps. TYPO3 8.6.1 using GraphicsMagick.

Files

Download all files
original-file.png (27.8 KB) original-file.png Original file to use with transparent outline Oliver Schlöbe, 2017-03-16 22:27
stripped-transparency-result.png (72.6 KB) stripped-transparency-result.png Processed file in frontend without transparent outline Oliver Schlöbe, 2017-03-16 22:27
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 #1

Updated by Oliver Schlöbe over 7 years ago

  • Subject changed from Transparency areas stripped from PNGs with Alpha? to Transparency outline stripped from PNGs when file is processed?
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 #2

Updated by Oliver Schlöbe over 7 years ago

The issue seems to be not affecting TYPO3 6.x running on the same server (and thus same installation of GraphicsMagick/ImageMagick). Uploading the same file in TYPO3 6.x doesn't strip/crop out the transparent outline, so it seems to be TYPO3 8.x specific (maybe TYPO3 7.x but cannot verify that right now).

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 #3

Updated by Susanne Moog about 7 years ago

  • Category changed from Image Cropping to Image Generation / GIFBUILDER
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 #4

Updated by Riccardo De Contardi almost 7 years ago

  • Status changed from New to Needs Feedback

At a first glance, I am not able to reproduce it with TYPO3 8.7.9 - I am using Windows and GraphicsMagick-1.3.26-Q8

Could you test again and, if possible, give us more information about your configuration and environment? Thank you!

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 #5

Updated by Riccardo De Contardi over 6 years ago

  • Status changed from Needs Feedback to Closed

No feedback since the last 90 days => closing this issue.

If you think that this is the wrong decision or experience the issue again and have more information about how to reproduce your problem, please reopen it or open a new issue with a reference to this one.

Thank you and best regards

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