我有 tableview -> 自定义单元格 -> uiscrollview -> uiimageview
如何捏和缩放uiscrollview ..
- (void)scrollViewDidZoom:(UIScrollView *)aScrollView
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
methods are not working for me.
我的代码是:
- (void)viewDidLoad
{
objCellfullscreen.scroll.maximumZoomScale = 6.0f;
objCellfullscreen.scroll.minimumZoomScale= 0.5f;
objCellfullscreen.scroll.scrollEnabled = YES;
objCellfullscreen.scroll.contentSize = CGSizeMake(320, 460);
objCellfullscreen.scroll.delegate =self;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *CellIdentifier = @"Cell";
objCellfullscreen =(cellFullScreen *) [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (objCellfullscreen==nil) {
.......
...........
.........
}
return objCellfullscreen;
}
- (void)scrollViewDidZoom:(UIScrollView *)aScrollView
{
CGFloat offsetX = (objCellfullscreen.scroll.bounds.size.width > objCellfullscreen.scroll.contentSize.width)?(objCellfullscreen.scroll.bounds.size.width - objCellfullscreen.scroll.contentSize.width) * 0.5 : 0.0;
CGFloat offsetY = (objCellfullscreen.scroll.bounds.size.height > objCellfullscreen.scroll.contentSize.height)?(objCellfullscreen.scroll.bounds.size.height - objCellfullscreen.scroll.contentSize.height) * 0.5 : 0.0;
objCellfullscreen.img.center = CGPointMake(objCellfullscreen.scroll.contentSize.width * 0.5 + offsetX,objCellfullscreen.scroll.contentSize.height * 0.5 + offsetY);
}
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView
{
return objCellfullscreen.img;
}
谢谢..请帮忙。