ios 图片上加入汉字，水印等，而不出现乱码有关问题

ios 图片上加入汉字，水印等，而不出现乱码问题

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就一个方法。需要添加几个文件。

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-(IBAction)Addtext:(id)sender

{

? ? UIImage *targetImage = [UIImageimageNamed:@"basic"];//[UIImage imageWithLogoText:basicimage text:@"我是水印"];

? ? //targetImage = [targetImage imageWithLogoText:basicimage text:@"我是水印"];

? ? targetImage = [targetImage imageWithStringWaterMark:@"我是水印" atPoint:CGPointMake(0,0) color:[UIColor blackColor] font:[UIFont systemFontOfSize:16]];

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? ? UIImageView *imagview1 = [[UIImageView alloc]initWithFrame:CGRectMake(self.view.frame.size.width/2-targetImage.size.width/2, 20, targetImage.size.width, targetImage.size.height)];

? ? [imagview1 setImage:targetImage];

? ? [self.view addSubview:imagview1];

? ? [imagview1 release];

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}