[英]UIImagePickerController With Camera Option both portrait and landscape mode in iPhone SDK (Is ti possible to change by using CameraOverlayView?)
[英]iPhone SDK - How to hide cameraOverlayView before using UIGetScreenImage?
我正在嘗試在不覆蓋頂部的情況下拍攝攝像機圖片的全屏圖像。
在我的疊加層控制器中,我嘗試使用以下代碼行隱藏疊加層:
[self.view setHidden:YES];
[self.view setNeedsDisplay];
CGImageRef screen = UIGetScreenImage();
UIImage* image = [UIImage imageWithCGImage:screen];
CGImageRelease(screen);
self.view.hidden = NO;
UIGetScreenImage仍顯示覆蓋UI。
有什么辦法可以做到這一點?
您需要設置UIImagePickerController
實例的cameraOverlayView
屬性,然后使用takePicture
方法獲取當前圖像。 在您的代表中,您需要實現:
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
[self closeImagePickerController];
// Get the edited or original image
UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];
if (image == nil)
image = [info objectForKey:UIImagePickerControllerOriginalImage];
// Do something with the image...
}
蘋果再次將UIGetScreenImage()設為私有API,因此您不再可以使用它。
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