Re: [pygame] Alpha channels and per pixel alpha

["RB[0]" <roebros@xxxxxxxxx>]

try this:
image = pygame.image.load("image.png").convert_alpha()

screen.blit(image, (0,0))

See if it is alpha or not... :)

On Wed, Jun 10, 2009 at 6:03 PM, Bjorn Samuelsson <bjorn_sam@xxxxxxxxxxx> wrote:

Ok.
Could you possibly give me some short instructions on how to make a simple image with alpha channel so maybe I can see what I'm doing wrong.
This is how i do it: take a regular image in photoshop, add an alpha channel, save as a SuperPNG with the "alpha channels" box checked.
I'm not really sure how to check if I have a "working" alpha channel or not. But when i reopen the image in photoshop the alpha channel is still there. I also tried a small application that gives out information about a given png-file and it said that the image is 32-bit RGB+alpha, non-interlaced.
 

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From: geometrian@xxxxxxxxx
Date: Wed, 10 Jun 2009 14:48:58 -0700
Subject: Re: [pygame] Alpha channels and per pixel alpha
To: pygame-users@xxxxxxxx

The way to do it is with .convert_alpha()
Check that your images really do have an alpha channel.

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