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bug#59944: Transparency with alpha-background doesn't work well with PNG
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From: |
Po Lu |
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Subject: |
bug#59944: Transparency with alpha-background doesn't work well with PNG images on Emacs 29.0.60 |
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Date: |
Mon, 12 Dec 2022 10:59:35 +0800 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) |
Satya Prakash Dahal <be2020se701@gces.edu.np> writes:
> PNG images with a transparent background are not transparent.
> Look at the image emacs_png_bug.png on the attachment.
> This is my first bug report. If I am missing something please let me know.
> Below are the commands i used to compile the emacs.
>
> git clone https://github.com/emacs-mirror/emacs.git
> cd emacs
> ./autogen.sh
> ./configure
> ./configure --with-mailutils && make
> make install
Well, does anyone want to fix this?
It should be "as simple" as making libpng use the same code in
x_query_frame_color to allocate transparent colors. But I have no idea
how to make libpng do that.
In the meantime, you can use XPM images for that icon instead, which are
free from this problem.