#pragma mark--截屏处理
//截屏处理
- (UIImage*)cutPic{
CGRectsnapshotFrame = CGRectMake(0, 0, _webView.scrollView.contentSize.width, _webView.scrollView.contentSize.height);
UIEdgeInsetssnapshotEdgeInsets = UIEdgeInsetsZero;
UIImage*shareImage = [selfsnapshotViewFromRect:snapshotFrame withCapInsets:snapshotEdgeInsets];
returnshareImage;
}
// 网页长截图
- (UIImage*)snapshotViewFromRect:(CGRect)rect withCapInsets:(UIEdgeInsets)capInsets {
CGFloatscale = [UIScreenmainScreen].scale;
CGSizeboundsSize = self.webView.bounds.size;
CGFloatboundsWidth = boundsSize.width;
CGFloatboundsHeight = boundsSize.height;
CGSizecontentSize = self.webView.scrollView.contentSize;
CGFloatcontentHeight = contentSize.height;
// CGFloat contentWidth = contentSize.width;
CGPointoffset = self.webView.scrollView.contentOffset;
[self.webView.scrollViewsetContentOffset:CGPointMake(0, 0)];
NSMutableArray*images = [NSMutableArrayarray];
while(contentHeight > 0) {
UIGraphicsBeginImageContextWithOptions(boundsSize, NO, [UIScreenmainScreen].scale);
[self.webView.layerrenderInContext:UIGraphicsGetCurrentContext()];
UIImage*image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
[images addObject:image];
CGFloatoffsetY = self.webView.scrollView.contentOffset.y;
[self.webView.scrollViewsetContentOffset:CGPointMake(0, offsetY + boundsHeight)];
contentHeight -= boundsHeight;
}
[self.webView.scrollViewsetContentOffset:offset];
CGSizeimageSize = CGSizeMake(contentSize.width* scale,
contentSize.height* scale);
UIGraphicsBeginImageContext(imageSize);
[images enumerateObjectsUsingBlock:^(UIImage*image, NSUIntegeridx, BOOL*stop) {
[image drawInRect:CGRectMake(0,
scale * boundsHeight * idx,
scale * boundsWidth,
scale * boundsHeight)];
}];
UIImage*fullImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
UIImageView* snapshotView = [[UIImageViewalloc]initWithFrame:CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height)];
snapshotView.image= [fullImage resizableImageWithCapInsets:capInsets];
NSData*data = UIImageJPEGRepresentation(snapshotView.image, 0.3);
return[UIImageimageWithData:data];
}