I need to export UITableViewCell into an image PNG or anything so I can send it as a print screen image embedded in email body using the MFMailComposerViewController.
Use these methods. Just call 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;
}
- (UIImage *)captureCell {
//hide controls if needed
CGRect rect = [yourTableCell bounds];
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
[yourTableCell.layer renderInContext:context];
UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return img;
}
try something like that:
UIGraphicsBeginImageContext(yourTableViewCellView.bounds.size);
[yourTableViewCellView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
and then you can save the image to data :)
Related
How to take screenshot of a selected frame in UIView and set it as a UIImage?
I Also tried this
UIGraphicsBeginImageContext(CGSizeMake(width,height));
CGContextRef context = UIGraphicsGetCurrentContext();
[imageview.layer renderInContext:context];
UIImage *screenShot = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
you can do like this
CGRect rect = [captureView bounds];
UIGraphicsBeginImageContextWithOptions(rect.size,YES,0.0f);
CGContextRef context = UIGraphicsGetCurrentContext();
[captureView.layer renderInContext:context];
UIImage *capturedImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext()
I have this code, to draw some text inside a (so far) simple button:
UIImage *buttonImage(CGRect bounds, UIColor *fillColor, NSString *title) {
UIGraphicsBeginImageContextWithOptions(bounds.size, NO, 0);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, fillColor.CGColor);
CGContextFillRect(context, bounds);
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
CGContextSetFillColorWithColor(context, [UIColor whiteColor].CGColor);
[title drawInRect:bounds withFont:PanelButtonFont];
UIGraphicsEndImageContext();
return image;
}
The problematic part is the drawInRect. It's simply not drawing my text. The font is correct, and I've tested this with normal font code there, so it's not that. I think perhaps it doesn't realise that I want it to draw it onto the image that it's producing?
Just change the order and get the image after you draw the text:
UIImage *buttonImage(CGRect bounds, UIColor *fillColor, NSString *title) {
UIGraphicsBeginImageContextWithOptions(bounds.size, NO, 0);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, fillColor.CGColor);
CGContextFillRect(context, bounds);
CGContextSetFillColorWithColor(context, [UIColor whiteColor].CGColor);
[title drawInRect:bounds withFont:PanelButtonFont];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
I have a view in which i am drawing the signature i want that the signature part of the view should be converted as UIImage and then display it in UIImageView here is the code which i got from net i am using for converting
UIGraphicsBeginImageContext(signatureView.bounds.size);
[signatureView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
logoImageView.image=img;
UIGraphicsEndImageContext();
Try this hope will help you.
- (UIImage *) getUIImageWithmyView:(UImyView *)myView
{
UIGraphicsBeginImageContextWithOptions(myView.bounds.size, myView.opaque, 0.0);
[myView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage * myImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return myImage;
}
use my bellow method...
- (UIImage *)captureView {
//hide controls if needed
CGRect rect = [signetureView bounds];//use your signature view's Rect means Frame;
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
[self.view.layer renderInContext:context];
UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return img;
}
you can call this above method like bellow...
UIImage *tempImageSave=[self captureView];
try this:
UIGraphicsBeginImageContext(signatureView.bounds.size);
[signatureView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
logoImageView.image=img;
first endimagecontext and after that set/use that image in imageview
I'm trying to capture the full image of the web page..
But its showing the blank image..
what should i do to get the complete Web Page Image?
I have tried with
CGSize overallSize = [WebPageImage sizeThatFits:CGSizeZero];
UIGraphicsBeginImageContext(WebPageImage.scrollView.contentSize);
WebPageImage.bounds = CGRectMake(0, 0, overallSize.width, overallSize.height);
while (WebPageImage.loading) {
[NSThread sleepForTimeInterval:0.1];
}
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,(unsigned long)NULL), ^(void) {
UIImageWriteToSavedPhotosAlbum(viewImage, self, #selector(image:didFinishSavingWithError:contextInfo:), nil);
});
Please suggest some solution..
WebPageImage is UIWebView..
UIGraphicsBeginImageContextWithOptions(WebPageImage.bounds.size, WebPageImage.opaque, 0.0);
[WebPageImage.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
use this function according to your need. below code will give you snapshot of whole webpage
- (UIImage *) imageFromWebView:(UIWebView *)view
{
// tempframe to reset view size after image was created
CGRect tmpFrame = view.frame;
// set new Frame
CGRect aFrame = view.frame;
aFrame.size.height = [view sizeThatFits:[[UIScreen mainScreen] bounds].size].height;
aFrame.size.width = [view sizeThatFits:[[UIScreen mainScreen] bounds].size].width;
view.frame = aFrame;
// do image magic
UIGraphicsBeginImageContext([view sizeThatFits:[[UIScreen mainScreen] bounds].size]);
CGContextRef resizedContext = UIGraphicsGetCurrentContext();
[self.thmbWebView.layer renderInContext:resizedContext];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
// reset Frame of view to origin
view.frame = tmpFrame;
return image;
}
Try this:
[WebPageImage.layer renderInContext:UIGraphicsGetCurrentContext()];
image = UIGraphicsGetImageFromCurrentImageContext();
try to capture that image with my bellow method...
-(IBAction)captureScreen:(id)sender
{
UIGraphicsBeginImageContext(webview.frame.size);
[webview.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
UIImageWriteToSavedPhotosAlbum(viewImage, nil, nil, nil);
}
Also see my another answer from this link.. howe-to-capture-uiview-top-uiview
I want to take the screenhot of viewcontroller
I had write this:-
- (UIImage *)captureScreenInRectWOScroll:(CGRect)captureFrame {
CALayer *layer;
layer = self.view.layer;
UIGraphicsBeginImageContext(captureFrame.size);
CGContextClipToRect (UIGraphicsGetCurrentContext(),captureFrame);
[layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *screenImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return screenImage;
}
The way i am calling this method:-
UIImage *img_woscroll1 =[self captureScreenInRectWOScroll:CGRectMake(35,147,497,260)];
I wann to take screenshot of Address from below attached image:-
When i am taking hte screenshot from the above code i Got the image with lot of blank space(greencolor image at top) at top side if image:-
Please help me..How to take proper screenshot from image such that i will not get blank image on topside.
Try This
UIGraphicsBeginImageContext(myView.frame.size);
[myView.layer renderInContext:UIGraphicsGetCurrentContext()];
UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
NSData *data=UIImagePNGRepresentation(viewImage);
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *strPath = [documentsDirectory stringByAppendingPathComponent:#"myimage.png"];
[data writeToFile:strPath atomically:YES];
Try This:-
CGRect screenRect = CGRectMake(0, 90, 320,460);
UIGraphicsBeginImageContext(screenRect.size);
CGContextRef ctx = UIGraphicsGetCurrentContext();
CGContextFillRect(ctx, screenRect);
//you probably need an offset, adjust here
CGContextTranslateCTM(ctx, -20, -20);
[self.view.layer renderInContext:ctx];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
It may help you. Thanks :)
Try with this. This may help you.
- (UIImage *)captureView:(UIView *)view {
CGRect screenRect = [[UIScreen mainScreen] bounds];
UIGraphicsBeginImageContext(screenRect.size);
CGContextRef ctx = UIGraphicsGetCurrentContext();
[[UIColor blackColor] set];
CGContextFillRect(ctx, screenRect);
[view.layer renderInContext:ctx];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}