0
我有一个裁剪后的图像&我在ui上显示它。当我添加框架时,图像大小发生了变化。例如,如果图像大小是200 * 50 &当我添加另一个图像作为一个框架,然后新的图像变得相等的高度&框架image.Please告诉我如何得到解决方案。添加框架时,图像越来越拉伸?
这里是我的代码:
-(void)addFrames:(int)count
{
float scale ;
UIImage *borderImage;
if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)] == YES && [[UIScreen mainScreen] scale] == 2.00)
{
// RETINA DISPLAY
scale = 2.0;
}
else
{
// non - retina display
scale = 1.0;
}
if(count==1)
{
borderImage = [UIImage imageNamed:@""];
}
else if(count==2)
{
borderImage = [UIImage imageNamed:@"borderImage1.png"];
}
else if(count==3)
{
borderImage = [UIImage imageNamed:@"borderImage2.png"];
}
else if(count==4)
{
borderImage =[UIImage imageNamed:@"borderImage3.png"];
}
else if(count==5)
{
borderImage = [UIImage imageNamed:@"borderImage4.png"];
}
UIImage *bottomImage = self.mainImage; //background image
UIImage *image = borderImage; //foreground image
CGSize newSize = CGSizeMake(self.img_background.frame.size.width, self.img_background.frame.size.height);
UIGraphicsBeginImageContext(newSize);
// Use existing opacity as is
[bottomImage drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
// Apply supplied opacity if applicable
[image drawInRect:CGRectMake(0,0,newSize.width,newSize.height) blendMode:kCGBlendModeNormal alpha:0.8];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();//
self.img_background.image=newImage;
framedImage=newImage;
}
我希望新的框架式图像大小相等的,因为它是添加帧之前?