private void SetRotation(PageOrientation orientation)
{
if (orientation.HasFlag(PageOrientation.LandscapeLeft))
{
BufferRotate = 0;
}
else if (orientation.HasFlag(PageOrientation.LandscapeRight))
{
BufferRotate = 180;
}
else if (orientation.HasFlag(PageOrientation.PortraitUp))
{
//The back camera renders upsidedown so use a different rotate
if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Front)
{
BufferRotate = 270;
}
else if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Back)
{
BufferRotate = 90;
}
else
{
BufferRotate = 270;
}
}
else if (orientation.HasFlag(PageOrientation.PortraitDown))
{
//The back camera renders upsidedown so use a different rotate
if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Front)
{
BufferRotate = 90;
}
else if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Back)
{
BufferRotate = 270;
}
else
{
BufferRotate = 90;
}
}
if (Preview != null)
{
Preview.Rotate(BufferRotate);
}
}
private void SetRotation(PageOrientation orientation)
{
if (orientation.HasFlag(PageOrientation.LandscapeLeft))
{
BufferRotate = 0;
}
else if (orientation.HasFlag(PageOrientation.LandscapeRight))
{
BufferRotate = 180;
}
else if (orientation.HasFlag(PageOrientation.PortraitUp))
{
//The back camera renders upsidedown so use a different rotate
if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Front)
{
BufferRotate = 270;
}
else if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Back)
{
BufferRotate = 90;
}
else
{
BufferRotate = 270;
}
}
else if (orientation.HasFlag(PageOrientation.PortraitDown))
{
//The back camera renders upsidedown so use a different rotate
if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Front)
{
BufferRotate = 90;
}
else if (Capture != null && Capture.SensorLocation == CameraSensorLocation.Back)
{
BufferRotate = 270;
}
else
{
BufferRotate = 90;
}
}
if (Preview != null)
{
Preview.Rotate(BufferRotate);
}
}
/// <summary>
/// Apply orientation specific layout.
/// </summary>
/// <param name="orientation">Page orientation</param>
private void ApplyOrientation(PageOrientation orientation)
{
if (orientation.HasFlag(PageOrientation.Portrait))
{
TitleImage.Visibility = Visibility.Visible;
Pivot.Margin = new Thickness(0);
}
else
{
TitleImage.Visibility = Visibility.Collapsed;
Pivot.Margin = new Thickness(0, -16, 0, 0);
}
}
/// <summary>
/// Apply orientation specific layout.
/// </summary>
/// <param name="orientation">Page orientation</param>
private void ApplyOrientation(PageOrientation orientation)
{
if (orientation.HasFlag(PageOrientation.Portrait))
{
TitleImage.Visibility = Visibility.Visible;
Pivot.Margin = new Thickness(0);
}
else
{
TitleImage.Visibility = Visibility.Collapsed;
Pivot.Margin = new Thickness(0, -16, 0, 0);
}
}
/// <summary>
/// Handles the OrientationChanged event.
/// </summary>
private void HandleOrientationChanged(object sender, OrientationChangedEventArgs e)
{
// Stop/complete Storyboard in case it's active
_storyboard.Stop();
HandleStoryboardCompleted(null, null);
if (IsAnimationEnabled)
{
// Capture device width/height
var actualWidth = ActualWidth;
var actualHeight = ActualHeight;
// Get "before" width/height
bool normal = _previousOrientation.HasFlag(PageOrientation.Portrait);
var width = normal ? actualWidth : actualHeight;
var height = normal ? actualHeight : actualWidth;
// Capture "before" visuals in a WriteableBitmap
var writeableBitmap = new WriteableBitmap((int)width, (int)height);
writeableBitmap.Render(this, null);
writeableBitmap.Invalidate();
// Create transforms for "before" content
var beforeTranslateTransform = new TranslateTransform();
var beforeRotateTransform = new RotateTransform {
CenterX = actualWidth / 2, CenterY = actualHeight / 2
};
var beforeTransforms = new TransformGroup();
beforeTransforms.Children.Add(beforeTranslateTransform);
beforeTransforms.Children.Add(beforeRotateTransform);
// Configure transforms for "before" content
var translateDelta = (actualHeight - actualWidth) / 2;
var beforeAngle = 0.0;
if (_previousOrientation == PageOrientation.LandscapeLeft)
{
beforeAngle = -90;
beforeTranslateTransform.X = -translateDelta;
beforeTranslateTransform.Y = translateDelta;
}
else if (_previousOrientation == PageOrientation.LandscapeRight)
{
beforeAngle = 90;
beforeTranslateTransform.X = -translateDelta;
beforeTranslateTransform.Y = translateDelta;
}
beforeRotateTransform.Angle = -beforeAngle;
// Configure for "after" content
var afterAngle = 0.0;
if (e.Orientation == PageOrientation.LandscapeLeft)
{
afterAngle = -90;
}
else if (e.Orientation == PageOrientation.LandscapeRight)
{
afterAngle = 90;
}
_afterRotateTransform.CenterX = actualWidth / 2;
_afterRotateTransform.CenterY = actualHeight / 2;
// Create content with default background and WriteableBitmap overlay for "before"
var container = new Grid
{
Width = width,
Height = height,
Background = (Brush)Application.Current.Resources["PhoneBackgroundBrush"],
RenderTransform = beforeTransforms,
IsHitTestVisible = false
};
var content = new Rectangle
{
Fill = new ImageBrush
{
ImageSource = writeableBitmap,
Stretch = Stretch.None
}
};
container.Children.Add(content);
// Configure Popup for displaying "before" content
_popup.Child = container;
_popup.IsOpen = true;
// Update animations to fade from "before" to "after"
Storyboard.SetTarget(_beforeOpacityAnimation, container);
_beforeOpacityAnimation.Duration = Duration;
_beforeOpacityAnimation.EasingFunction = EasingFunction;
Storyboard.SetTarget(_afterOpacityAnimation, this);
_afterOpacityAnimation.Duration = Duration;
_afterOpacityAnimation.EasingFunction = EasingFunction;
// Update animations to rotate from "before" to "after"
Storyboard.SetTarget(_beforeRotationAnimation, beforeRotateTransform);
_beforeRotationAnimation.From = beforeRotateTransform.Angle;
_beforeRotationAnimation.To = _beforeRotationAnimation.From + (beforeAngle - afterAngle);
_beforeRotationAnimation.Duration = Duration;
_beforeRotationAnimation.EasingFunction = EasingFunction;
Storyboard.SetTarget(_afterRotationAnimation, _afterRotateTransform);
_afterRotationAnimation.From = afterAngle - beforeAngle;
_afterRotationAnimation.To = 0;
_afterRotationAnimation.Duration = Duration;
_afterRotationAnimation.EasingFunction = EasingFunction;
// Play the animations
_storyboard.Begin();
}
// Save current orientation for next time
_previousOrientation = e.Orientation;
}
