Is it possible to tile images in a UIScrollView without having to manually create all the tiles?

Question

In the iPhone sample code \"PhotoScroller\" from WWDC 2010, they show how to do a pretty good mimmic of the Photos app with scrolling, zooming, and paging of images. They al

Answer 1

Here goes the piece of code for tiled image generation:

In PhotoScroller source code replace tileForScale: row:col: with the following:

inImage - Image that you want to create tiles

- (UIImage *)tileForScale: (float)scale row: (int)row column: (int)col size: (CGSize)tileSize image: (UIImage*)inImage
{
    CGRect subRect = CGRectMake(col*tileSize.width, row * tileSize.height, tileSize.width, tileSize.height);
    CGImageRef tiledImage = CGImageCreateWithImageInRect([inImage CGImage], subRect);
    UIImage *tileImage = [UIImage imageWithCGImage: tiledImage];
    return tileImage;
}

Regards, Deepa