将UITableViewCell导入PNG

Question

要求用到UITableViewCell导入到一个图片，PNG或者其他格式，实现使用MFMailComposerViewController通过Email传递。请高手帮忙。

Answer 1

调用UIImage *image = [cell screenshot];

- (UIImage *)screenshot
{
    return [self screenshotForRect:self.bounds];
}

- (UIImage *)screenshotForRect:(CGRect) rect
{
    UIGraphicsBeginImageContext(rect.size);
    [[UIColor clearColor] setFill];
    [[UIBezierPath bezierPathWithRect:rect] fill];
    CGContextRef ctx = UIGraphicsGetCurrentContext();
    [self.layer renderInContext:ctx];
    UIImage *anImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();    
    return anImage;
}