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onevcat / Kingfisher

A lightweight, pure-Swift library for downloading and caching images from the web.
MIT License
23.41k stars 2.66k forks source link

Cant show this picture #2286

Closed ChildProdigy closed 1 month ago

ChildProdigy commented 2 months ago

http://www.goodnews.org.tw/favicon.ico

I see that the data is loaded correctly but not displayed. It should be a problem with IOS itself, because native components also have display problems.

onevcat commented 1 month ago

Yes...It seems that the IDAT chunk is not properly set in the file. At least the ImageIO shipped by macOS and iOS cannot read it correctly. When downloaded, this file cannot be rendered on macOS either.

handle_write_error:113: zlib error imagePNG_write_error_break:90: *** ERROR: imagePNG_write_error_break handle_write_error:113: No IDATs written into file

Since I can confirm loading of some other ico file (such as this) is properly rendered in Kingfisher, so it is more likely a malformed image.

I am closing this issue.