Easy layer access for rgb8 filters.

[Casper Boemann]

On Monday 17 January 2005 11:09, Michael Thaler wrote:
> On Monday 17 January 2005 10:53, you wrote:
> > I think you meant layer, here? I'm not sure how the iterators figure out
> > where to stop...
>
> Yes, of course. The iterators have to know where they stop, don't they? And
> also the code that draws the layers to the screen and that saves the image
> (a collection of layers) does have to know the exact extent of each layer,
> does it? Or are they just rendering all the tiles that contain some part of
> the image to the screen or save all the tiles with some part of the image?
No they don't have to know. As you said. They just save the tiles that contain 
data. And for viewing they use the image dimensions.

best regards
Casper Boemann