Re: [pygame] Alternative to pygame.Surface.subsurface

[Kris Schnee <kschnee@xxxxxxxxxx>]

Ronald Lew wrote:
> Is there another way to get a portion of an image without having a 
> reference to the parent?  I have a 100x100 surface and would like to 
> have 4 surfaces that takes 1/4 of the surface so the end result would 
> have 4 boxes of 50x50.  Here's an example
>
> ---------
> | 1 | 2 |
> ---------
> | 3 | 4 |
> ---------

There are a couple of ways to do something like that. You do need a 
"reference to the parent" to get at the original image at _some_ point, 
though.

One method is to make some new surfaces like so:
chunk_two = pygame.surface.Surface((25,25))
Then blit part of the original image onto it:
chunk_two.blit(parent_image,(0,0),(25,0))

Or you could make a Rect object (or just a tuple) to record what part of 
the parent image you want to save:
chunk_two = (25,0,25,25)