private void BuildVisualTree()
{
// Create Solid Color Background
SolidColorVisual background = _compositor.CreateSolidColorVisual();
background.Size = new System.Numerics.Vector2((float)this.ActualWidth, (float)this.ActualHeight);
background.Color = Color.FromArgb(0xFF, 0x21, 0xBD, 0xEE);
// put it at the bottom of the visual tree
_rootVisual.Children.InsertAtBottom(background);
// use current position for laying out as we iterate
Vector3 currentGridPosition = new Vector3(horizontalSpace, horizontalSpace, 1.0f);
Vector2 imageSize = new Vector2(imageDimension, imageDimension);
foreach (Uri profileImageUri in GetProfileUrisForTwitterFollowers("@wincomposition"))
{
AddImageVisualForFollower(profileImageUri, currentGridPosition, imageSize);
#region CalcNextOffset
// simple dumb layout
currentGridPosition.X += horizontalSpace + imageDimension;
if (currentGridPosition.X + imageDimension > this.ActualWidth)
{
currentGridPosition.X = horizontalSpace;
currentGridPosition.Y += imageDimension + verticalSpace;
}
#endregion
}
}
public Tile(ContainerVisual parent, float border)
{
_parent = parent;
_border = border;
// Create a placeholder picture frame:
// - This is the parent of the actual image.
// - Configure with a center-point in the middle to allow easy rotation.
// - Don't add it to the parent yet. This enables the caller to specify more
// properties (such as offset) without animating them before making the Tile visible.
_frame = s_compositor.CreateSolidColorVisual();
_frame.Color = s_unselectedFrameColor;
_frame.Opacity = 1.0f;
// Since we can't currently animate colors, need to animate opacity instead.
// At the least, we should be able to make this an effect and animate that.
// - Start with opacity = 0 and fade in when selected.
_selectedFrame = s_compositor.CreateSolidColorVisual();
_selectedFrame.Offset = new Vector3();
_selectedFrame.Color = s_selectedFrameColor;
_selectedFrame.Opacity = 0.0f;
_frame.Children.InsertAtBottom(_selectedFrame);
// Begin a default animation for the rotation.
StartNewRotationAnimation();
}
private void Host_Loaded(object sender, RoutedEventArgs e)
{
this.container = (ContainerVisual)ElementCompositionPreview.GetContainerVisual(this.Host);
this.compositor = container.Compositor;
this.background = this.compositor.CreateSolidColorVisual();
this.background.Color = Colors.LightGreen;
this.container.Children.InsertAtBottom(background);
UpdateSize();
}
private void Host_Loaded(object sender, RoutedEventArgs e)
{
this.container = (ContainerVisual)ElementCompositionPreview.GetContainerVisual(this.Host);
this.compositor = container.Compositor;
this.background = this.compositor.CreateSolidColorVisual();
this.background.Color = Colors.LightGreen;
this.container.Children.InsertAtBottom(background);
UpdateSize();
}
private void InitializeComposition()
{
// setup compositor and root visual
this.compositor = new Compositor();
this.rootVisual = this.compositor.CreateContainerVisual();
// associate with the CoreWindow
this.compositionTarget = this.compositor.CreateTargetForCurrentView();
this.compositionTarget.Root = this.rootVisual;
// add a solid color background
this.background = this.compositor.CreateSolidColorVisual();
this.background.Color = Colors.LightGreen;
this.rootVisual.Children.InsertAtBottom(this.background);
UpdateSize();
}
private void InitializeComposition()
{
// setup compositor and root visual
this.compositor = new Compositor();
this.rootVisual = this.compositor.CreateContainerVisual();
// associate with the CoreWindow
this.compositionTarget = this.compositor.CreateTargetForCurrentView();
this.compositionTarget.Root = this.rootVisual;
// add a solid color background
this.background = this.compositor.CreateSolidColorVisual();
this.background.Color = Colors.LightGreen;
this.rootVisual.Children.InsertAtBottom(this.background);
UpdateSize();
}
public void Dispose()
{
if (_rotationAnimator != null)
{
_rotationAnimator.Dispose();
_rotationAnimator = null;
}
if (_offsetAnimator != null)
{
_offsetAnimator.Dispose();
_offsetAnimator = null;
}
if (_selectedFrame != null)
{
_selectedFrame.Dispose();
_selectedFrame = null;
}
if (_content != null)
{
_content.Dispose();
_content = null;
}
if (_frame != null)
{
_frame.Dispose();
_frame = null;
}
if (_saturationEffect != null)
{
_saturationEffect.Dispose();
_saturationEffect = null;
}
// STEP4c: Clean-up effect animations.
if (_saturationAnimator != null)
{
_saturationAnimator.Dispose();
_saturationAnimator = null;
}
}
