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Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD

To: pygame-users@xxxxxxxx
Subject: Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
From: Greg Ewing <greg.ewing@xxxxxxxxxxxxxxxx>
Date: Sun, 18 Dec 2011 13:11:13 +1300
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Florian Berger wrote:

Now I will have to mess with the source PNGs to make sure that the RGB
color for fully transparent pixels is actually black.


What you need is an image with premultiplied alpha.
An operation for doing that might be a useful addition.

--
Greg

Follow-Ups:
- Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
  - From: Florian Berger

References:
- [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
  - From: Florian Berger
- Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
  - From: Ian Mallett
- Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
  - From: Florian Berger
- Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
  - From: René Dudfield
- Re: [pygame] Surface.blit() BLEND_ADD vs. BLEND_RGBA_ADD
  - From: Florian Berger

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