我从相机胶卷加载图像并将其发送到一个函数,该函数根据我创建的矩形返回原始图像的一部分。然后我可以将它添加到场景中,没有任何问题。
当我想加载原始图像的另一部分时,会出现问题。我想创建2个精灵,每个精灵都有原始图像的不同部分,就像拼图一样,但是当我发送原始图像和不同的矩形时,我得到的图像与第一次相同,并且有两个相同的图像添加到场景。
任何想法都会受到赞赏吗?
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
// newImage is a UIImage do not try to use a UIImageView
UIImage *newImage = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
UIImage *newImage2 = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
//newImage2 = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
// Dismiss UIImagePickerController and release it
[picker dismissModalViewControllerAnimated:YES];
[picker.view removeFromSuperview];
[picker release];
CGRect newRect = CGRectMake(0, 0, 320, 460);
CGRect newRect2 = CGRectMake(600, 600, 100, 100);
UIImage *testImage = [self imageFromImage:newImage inRect:newRect];
UIImage *testImage2 = [self imageFromImage:newImage2 inRect:newRect2];
CCSprite *scaledImage = [CCSprite spriteWithCGImage:testImage.CGImage key:@"ImageFromPicker"];
scaledImage.position = ccp(s.width/2, s.height/2);
[self addChild:scaledImage];
CCSprite *scaledImage2 = [CCSprite spriteWithFile:@"play.png"];//[CCSprite spriteWithCGImage:testImage2.CGImage key:@"ImageFromPicker"];
scaledImage2.position = ccp(560,40);
[self addChild:scaledImage2];
}
裁剪图像的方法:
- (UIImage *)imageFromImage:(UIImage *)image inRect:(CGRect)rect
{
CGImageRef sourceImageRef = [image CGImage];
CGImageRef newImageRef = CGImageCreateWithImageInRect(sourceImageRef, rect);
UIImage *tempImage = [UIImage imageWithCGImage:newImageRef];
return tempImage;
}
答案 0 :(得分:0)
感谢LearnCocos,你得到了答案。从较大图像的不同部分创建2个单独的纹理,然后可以单独添加它们。