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ToSKBitmap draws abnormal pixels for transparent pixels in original image #439

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ToSKBitmap draws abnormal pixels for transparent pixels in original image#439
@rabbitom

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@rabbitom
rabbitom
opened on Jan 31, 2018
Contributor

When use ToSKBitmap method to convert a UIImage to SKBitmap, the transparent pixels(all zero for r, g, b, a) in original image will be replaced by random, abnormal pixels. This project shows the problem.
skiasharp-draw-bitmap-abnormal
It could be caused by not clearing the CGBitmapContext before drawing, I will submit a PR soon.

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rabbitom
mentioned this on Jan 31, 2018
mattleibow
added a commit that references this issue on Jan 31, 2018

Merge pull request #440 from rabbitom/master

83fee59
mattleibow

mattleibow commented on Jan 31, 2018

@mattleibow
mattleibow
on Jan 31, 2018
Contributor

Thanks for reporting and the PR. I have merged it and it will be in the next release.

mattleibow
closed this as completedon Jan 31, 2018
ghost locked as resolved and limited conversation to collaborators on Aug 19, 2022
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          ToSKBitmap draws abnormal pixels for transparent pixels in original image · Issue #439 · mono/SkiaSharp