[wp-trac] [WordPress Trac] #54202: Bad display of images with transparent background.

[WordPress Trac]

#54202: Bad display of images with transparent background.
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 Reporter:  michalrama         |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Filesystem API     |     Version:  5.8.1
 Severity:  minor              |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by michalrama):

 Replying to [comment:1 karpstrucking]:
 > hi @michalrama, thank you for submitting this ticket!
 >
 > can you please provide some additional details about the issue you've
 encountered and some context for the images you've uploaded?

 Hi @karpstrucking

 I'm sorry, I wrote it hastily.

 Image 1. and 2. are the original images with a white background (only
 differs in resolution)

 I wanted to set both of them a transparent background. I did this using
 IrfanView. However, I had to change the type to gif (originally it is
 jpg).

 It works, and when you click on the image, you can see that the
 transparent background is displayed correctly. (3. and 4.)

 The 5. image was created when I wanted to set the 4. image as a favicon
 using a theme. (I have no idea why create a separate file with a black
 background)

 However, as you may notice in the first image, the file manager cannot
 display a thumbnail image with a transparent background.

 In addition, the images are not incorrectly numbered. I numbered them
 exactly as they appear when clicked, so the thumbnail is also misassigned.

 I hope I have explained it clearly.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54202#comment:2>
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