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Re: [pygame] Alpha channels and per pixel alpha

To: pygame-users@xxxxxxxx
Subject: Re: [pygame] Alpha channels and per pixel alpha
From: Brian Fisher <brian@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 10 Jun 2009 15:56:10 -0700
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It would help to see your code and have an example image attached, cause loading .png's with alpha and blitting with transparency works fine for me without any trouble or special stuff.

On Wed, Jun 10, 2009 at 2:11 PM, Bjorn Samuelsson <bjorn_sam@xxxxxxxxxxx> wrote:

Hey all,

I'm trying to make a small 2d game and I'm wondering how you would go about to load a png-image with an alpha channel and keep it's alpha values?
I have confirmed the images alpha channel but when i load it in pygame it's alpha values are always 255.
I've tried Surface.convert_alpha but that doesn't make a difference.
At the moment I've resorted to saving my alpha channels separate and loading both image and alpha channel so that i can call Surface.set_at to change the image's per pixel alpha value.
But that solution seems less than optimal so i figured i would ask you guys.

regards
Björn

ps. I apologize if this topic has been discussed at length already but i've been looking around and i just can't seem to find a simple solution. ds.

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Follow-Ups:
- RE: [pygame] Alpha channels and per pixel alpha
  - From: Bjorn Samuelsson
- Re: [pygame] Alpha channels and per pixel alpha
  - From: Lenard Lindstrom

References:
- [pygame] Alpha channels and per pixel alpha
  - From: Bjorn Samuelsson

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