图片上添加文字

Objective-C

- (UIImage *) addText:(UIImage *)img text:(NSString *)mark {

int w = img.size.width;

int h = img.size.height;

UIGraphicsBeginImageContext(img.size);

[[UIColor redColor] set];

[img drawInRect:CGRectMake(0, 0, w, h)];

[mark drawInRect:CGRectMake(10, 55, 130, 80) withFont:[UIFont systemFontOfSize:18]];

UIImage *aimg = UIGraphicsGetImageFromCurrentImageContext();

UIGraphicsEndImageContext();

return aimg;

}