[OLPC-Games] Pygame

[Bert Freudenberg]

On May 14, 2007, at 5:43 , Kent Quirk wrote:

> Greg Ewing wrote:
>> Bert Freudenberg wrote:
>>> On May 13, 2007, at 6:35 , Kent Quirk wrote:
>>>> The full screen black and white resolution of the XO is  
>>>> 1200x900, the color resolution is effectively lower
>>> The frame buffer resolution is fixed at 1200x900, period. Even in  
>>> color mode.
>> So what does "effectively lower" mean? Is it something like the  
>> Apple ][ where certain pixels could only be certain colours?
> Something like that. Basically, each grayscale pixel lights up a  
> single color, so in order to display arbitrary colors, it's  
> necessary to blur the image and draw at a lower resolution. But all  
> that happens in the hardware.
>
> It's a bit hard to explain the effect, but the best I've seen is on  
> wikipedia:
>
> http://en.wikipedia.org/wiki/$100_laptop

Or try this simulation:

http://croquetweak.blogspot.com/2007/03/interactive-olpc-xo-display- 
simulation.html

I should update that with the anti-aliasing code I have laying  
around ...

- Bert -