How can i write text on image and send it on mail?

Question

I am creating an app that send photo on email,i have created gallery,now i want my app can write text on that photo and send it on email. Any suggestions? tutorials are acceptable.

use contexts and draw rect methods to draw text on image.. – vishy Oct 16 '12 at 11:08 — vishy, Oct 16 '12 at 11:08

score 1 · Accepted Answer · edited May 23 '17 at 11:56

1

Simplest but tricky, Add a UIView inside a UIImageView and a UILabel, update with yourimage and text. Now take an UIImage by capture screenshot here. and attach it with your email.

edited May 23 '17 at 11:56

Community

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answered Oct 16 '12 at 11:14

Hemang

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Do i have to put capture screen method in appdelegate because otherwise it dispaly error in this two line at "window" – Oct 16 '12 at 11:42
UIGraphicsBeginImageContext(self.window.bounds.size); [self.window.layer renderInContext:UIGraphicsGetCurrentContext()]; – Oct 16 '12 at 11:43
and if i will put this method in appdelegate than it will not capture image. – Oct 16 '12 at 11:44
@chetan, dude!! You can place this code anywhere! Instead of `self.window` you should pass the `UIView` that I've given in answer. – Hemang Oct 16 '12 at 12:14

score 0 · Answer 2 · answered Oct 16 '12 at 11:13

You can create UIImageView with image then place UILabel with clear background on image view, and finally make a UIImage using Core Graphics. Something like this:

UIImage *bcg = [UIImage imageNamed:@"image.png"];
UIImageView *imgView = [[UIImageView alloc] initWithImage:bcg];
imgView.frame = CGRectZero;//Some frame
[self addSubview:imgView];
[imgView release];

UILabel *text = [[UILabel alloc] initWithFrame:CGRectMake(0, imgView.frame.size.height - 20, imgView.frame.size.width, 20)];
text.backgroundColor = [UIColor clearColor];
text.text = @"Some text";
[imgView addSubview:text];

UIImage *resultImage = nil;
UIGraphicsBeginImageContext(CGSizeMake(self.bounds.size.width,
                                       self.bounds.size.height)); 

[self.layer renderInContext:UIGraphicsGetCurrentContext()];

UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext(); 
CGSize imageSize = CGSizeMake(self.bounds.size.width,
                              self.bounds.size.height);
UIGraphicsBeginImageContext(imageSize);

[viewImage drawInRect:CGRectMake(0,
                                 0,
                                 imageSize.width,
                                 imageSize.height)
            blendMode:kCGBlendModeNormal alpha:1];

resultImage = UIGraphicsGetImageFromCurrentImageContext();

This method easier to debug than draw image and text in context.

How can i write text on image and send it on mail?

2 Answers2