ios 给图片加文字

- (UIImage*) drawText:(NSString*)text inImage:(UIImage*)image

{

　　//prepare image context

　　UIGraphicsBeginImageContext(image.size);

　　//draw image, (画图片)

　　[image drawInRect:CGRectMake(0, 0, image.size.width, image.size.height)];

　　//set text attributes (font, color, etc)

　　UIFont *textFont = [UIFont boldSystemFontOfSize:17.];

　　UIColor *textColor = [UIColor whiteColor];

　　NSDictionary *attributeDict = @{NSFontAttributeName:textFont, NSForegroundColorAttributeName:textColor};

　　//draw text （画文字）

　　[text drawInRect:CGRectMake(0, 0, image.size.width, image.size.height) withAttributes:attributeDict];

　　//get image from current image context

　　UIImage *editedImage = UIGraphicsGetImageFromCurrentImageContext();

　　

　　UIGraphicsEndImageContext();

　　return editedImage;

}