Questions tagged [xaml-composition]
14 questions
13
votes
2 answers
how to apply mask to CompositionBrush
Liero
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11
votes
1 answer
Does UWP Composition Api support color replacement?
I've been trying to look for an examples which related to Color Replacement, here's an example using the Photoshop which can take, for example, a Blue shade and replace it with a Red shade:
BEFORE:
AFTER:
Is this possible using the Composition…
Maximus
- 1,441
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3
votes
2 answers
I can't get my Projection Matrix to have a proper perspective for a Rotation animation
Im trying to replicate a plane projection rotation in UWP using the composition api. But I'm having trouble with a projection matrix in my composition code. Heres what I have:
private void Perspective(FrameworkElement element, double duration, float…
Maximus
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3
votes
1 answer
How to retrieve Parent Visual Size within XamlCompositionBrushBase?
I'm creating a class inheriting from XamlCompositionBrushBase and want to know the render size of the visual the brush is attached to when it's hooked up in OnConnected.
I need this info to create a surface in my composition that's the size of my…
Michael Hawker - MSFT
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1
vote
1 answer
How can I retrieve a CompositionEffect given a FrameworkElement?
I'm experimenting with a chained effect and set it on an Image control (TestImage) as such:
private void TestImage_ImageOpened(object sender, RoutedEventArgs e)
{
/*
(input) Backdrop -> GaussianBlur -> |
…
Maximus
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1
vote
1 answer
Why isn't the Translation property (Composition) retained?
I have the following code which translates the rectangle down 100px, then once completed translates the rectangle right 100px, BUT I would like the rightwards translation to maintain the animated Y (100px), however it doesn't do that. When I debug,…
Maximus
- 1,441
- 14
- 38
1
vote
1 answer
Weird Opacity animation behavior after adding Composition Light effect
So I'm currently using Windows composition Apis to create a "fade-in" animation, combining a scale animation and an opacity animation, to my custom control, which worked perfectly fine. However, recently I tried to add some light effect but for some…
jason_wun
- 113
- 1
- 12
1
vote
2 answers
UWP Composition API breaks Visual Studio 2015 Designer - Cannot load a reference assembly for execution
When I create custom control that uses new Composition API from Anniversary Update, then Visual Studio Designer is broken:
However the application runs just fine.
Why is that? how to avoid it?
EDIT:
Please, vote on UserVoice (Fix the UWP designer…
Liero
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0
votes
2 answers
Composition - Why does my element immediately set a Blur on my animation?
I have the following Xaml for my sample app to demonstrate the issue:
Maximus
- 1,441
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0
votes
2 answers
How to set a property without using an animation (Composition Api)?
Question, how can we set a value for a property on Visual without using an animation? For example this works for me (for a Translation) but I feel there must be a better way. I'm using an animation of 1 millisecond to set a value…
Maximus
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0
votes
2 answers
How can a ListViewBase animation be improved?
I'm creating a composition-based animation which I would like to scale-in each ListViewItem as they are loaded. I have the following sample code:
public sealed partial class MainPage : Page
{
public MainPage()
{
…
Maximus
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0
votes
1 answer
Unable to retrieve the missing variables for a Composition animation
I'm trying to apply a pointer animation using the Composition Api along with the Expression Builder. I've found a sample of what I need, but the code is imcomplete and I cannot figure out how to get the values for the variables center and…
Maximus
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- 38
0
votes
1 answer
Make UIElement visible only under SpotLight
I have an rectangle:
Liero
- 25,216
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0
votes
1 answer
Remove SpriteVisual previously set by ElementCompositionPreview.SetElementChildVisual
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
_blurSprite = _compositor.CreateSpriteVisual();
ElementCompositionPreview.SetElementChildVisual(MainPage.Instance.ContentRoot, _blurSprite);
How do I remove _blurSprite that…
Liero
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