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TileControl: Remove Animations.Expressions usage #3633

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Merged
12 commits merged into from
Dec 17, 2020
Merged

TileControl: Remove Animations.Expressions usage #3633

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62cb357
Remove animation.expressions
Rosuavio Dec 15, 2020
1b79903
change node names out
Rosuavio Dec 16, 2020
687137d
Factor out common string format.
Rosuavio Dec 16, 2020
c9b46c0
simplified constants
Rosuavio Dec 16, 2020
1ce7a87
Normailize qulified names
Rosuavio Dec 16, 2020
5269fdd
Fix spelling of dimension
Rosuavio Dec 16, 2020
dd8d11d
Use nameof to pull out some strings
Rosuavio Dec 16, 2020
354a7bf
More precise param name
Rosuavio Dec 16, 2020
2ceaf28
Use GenrateForumla name for fn
Rosuavio Dec 16, 2020
b305088
Update Microsoft.Toolkit.Uwp.UI.Controls/TileControl/TileControl.cs
Rosuavio Dec 16, 2020
fcd9a3b
Fixed fliped width and height
Rosuavio Dec 16, 2020
57c5486
Merge branch 'master' into remove-animations-tilecontrol
michael-hawker Dec 17, 2020
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103 changes: 47 additions & 56 deletions Microsoft.Toolkit.Uwp.UI.Controls/TileControl/TileControl.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@
using System.Numerics;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Toolkit.Uwp.UI.Animations.Expressions;
using Microsoft.Toolkit.Uwp.UI.Extensions;
using Windows.Foundation;
using Windows.UI.Composition;
Expand Down Expand Up @@ -439,11 +438,16 @@ private async Task CreateModuloExpression(ScrollViewer scrollViewer = null)
/// <param name="scrollOrientation">The ScrollOrientation</param>
private void CreateModuloExpression(ScrollViewer scrollViewer, double imageWidth, double imageHeight, ScrollOrientation scrollOrientation)
{
const string offsetXParam = "offsetX";
const string offsetYParam = "offsetY";
const string imageWidthParam = "imageWidth";
const string imageHeightParam = "imageHeight";
const string speedParam = "speed";
const string propSetParam = "p";
const string offsetXParam = nameof(OffsetX);
const string qualifiedOffsetXParam = propSetParam + "." + offsetXParam;
const string offsetYParam = nameof(OffsetY);
const string qualifiedOffsetYParam = propSetParam + "." + offsetYParam;
const string imageWidthParam = nameof(imageWidth);
const string qualifiedImageWidthParam = propSetParam + "." + imageWidthParam;
const string imageHeightParam = nameof(imageHeight);
const string qualifiedImageHeightParam = propSetParam + "." + imageHeightParam;
const string speedParam = nameof(ParallaxSpeedRatio);

if (_containerVisual == null)
{
Expand All @@ -453,10 +457,8 @@ private void CreateModuloExpression(ScrollViewer scrollViewer, double imageWidth
var compositor = _containerVisual.Compositor;

// Setup the expression
ExpressionNode expressionX = null;
ExpressionNode expressionY = null;
ExpressionNode expressionXVal;
ExpressionNode expressionYVal;
var expressionX = compositor.CreateExpressionAnimation();
var expressionY = compositor.CreateExpressionAnimation();

var propertySetModulo = compositor.CreatePropertySet();
propertySetModulo.InsertScalar(imageWidthParam, (float)imageWidth);
Expand All @@ -465,78 +467,67 @@ private void CreateModuloExpression(ScrollViewer scrollViewer, double imageWidth
propertySetModulo.InsertScalar(offsetYParam, (float)OffsetY);
propertySetModulo.InsertScalar(speedParam, (float)ParallaxSpeedRatio);

var propertySetNodeModulo = propertySetModulo.GetReference();

var imageHeightNode = propertySetNodeModulo.GetScalarProperty(imageHeightParam);
var imageWidthNode = propertySetNodeModulo.GetScalarProperty(imageWidthParam);
expressionX.SetReferenceParameter(propSetParam, propertySetModulo);
expressionY.SetReferenceParameter(propSetParam, propertySetModulo);

string GenerateFormula(string common, string dimension)
=> string.Format(
"{0} == 0 " +
"? 0 " +
": {0} < 0 " +
"? -(Abs({0} - (Ceil({0} / {1}) * {1})) % {1}) " +
": -({1} - ({0} % {1}))",
common,
dimension);

string expressionXVal;
string expressionYVal;
if (scrollViewer == null)
{
var offsetXNode = ExpressionFunctions.Ceil(propertySetNodeModulo.GetScalarProperty(offsetXParam));
var offsetYNode = ExpressionFunctions.Ceil(propertySetNodeModulo.GetScalarProperty(offsetYParam));

// expressions are created to simulate a positive and negative modulo with the size of the image and the offset
expressionXVal = ExpressionFunctions.Conditional(
offsetXNode == 0,
0,
ExpressionFunctions.Conditional(
offsetXNode < 0,
-(ExpressionFunctions.Abs(offsetXNode - (ExpressionFunctions.Ceil(offsetXNode / imageWidthNode) * imageWidthNode)) % imageWidthNode),
-(imageWidthNode - (offsetXNode % imageWidthNode))));

expressionYVal = ExpressionFunctions.Conditional(
offsetYNode == 0,
0,
ExpressionFunctions.Conditional(
offsetYNode < 0,
-(ExpressionFunctions.Abs(offsetYNode - (ExpressionFunctions.Ceil(offsetYNode / imageHeightNode) * imageHeightNode)) % imageHeightNode),
-(imageHeightNode - (offsetYNode % imageHeightNode))));
expressionXVal = GenerateFormula("Ceil(" + qualifiedOffsetXParam + ")", qualifiedImageHeightParam);

expressionYVal = GenerateFormula("Ceil(" + qualifiedOffsetYParam + ")", qualifiedImageWidthParam);
}
else
{
// expressions are created to simulate a positive and negative modulo with the size of the image and the offset and the ScrollViewer offset (Translation)
var scrollProperties = ElementCompositionPreview.GetScrollViewerManipulationPropertySet(scrollViewer);
var scrollPropSet = scrollProperties.GetSpecializedReference<ManipulationPropertySetReferenceNode>();

var speed = propertySetNodeModulo.GetScalarProperty(speedParam);
var xCommon = ExpressionFunctions.Ceil((scrollPropSet.Translation.X * speed) + propertySetNodeModulo.GetScalarProperty(offsetXParam));
expressionXVal = ExpressionFunctions.Conditional(
xCommon == 0,
0,
ExpressionFunctions.Conditional(
xCommon < 0,
-(ExpressionFunctions.Abs(xCommon - (ExpressionFunctions.Ceil(xCommon / imageWidthNode) * imageWidthNode)) % imageWidthNode),
-(imageWidthNode - (xCommon % imageWidthNode))));

var yCommon = ExpressionFunctions.Ceil((scrollPropSet.Translation.Y * speed) + propertySetNodeModulo.GetScalarProperty(offsetYParam));
expressionYVal = ExpressionFunctions.Conditional(
yCommon == 0,
0,
ExpressionFunctions.Conditional(
yCommon < 0,
-(ExpressionFunctions.Abs(yCommon - (ExpressionFunctions.Ceil(yCommon / imageHeightNode) * imageHeightNode)) % imageHeightNode),
-(imageHeightNode - (yCommon % imageHeightNode))));
const string scrollParam = "s";
const string translationParam = scrollParam + "." + nameof(scrollViewer.Translation);
const string qualifiedSpeedParam = propSetParam + "." + speedParam;

expressionX.SetReferenceParameter(scrollParam, scrollProperties);
expressionY.SetReferenceParameter(scrollParam, scrollProperties);

string GenerateParallaxFormula(string scrollTranslation, string speed, string offset, string dimension)
=> GenerateFormula(string.Format("Ceil(({0} * {1}) + {2})", scrollTranslation, speed, offset), dimension);

expressionXVal = GenerateParallaxFormula(translationParam + "." + nameof(scrollViewer.Translation.X), qualifiedSpeedParam, qualifiedOffsetXParam, qualifiedImageWidthParam);

expressionYVal = GenerateParallaxFormula(translationParam + "." + nameof(scrollViewer.Translation.Y), qualifiedSpeedParam, qualifiedOffsetYParam, qualifiedImageHeightParam);
}

if (scrollOrientation == ScrollOrientation.Horizontal || scrollOrientation == ScrollOrientation.Both)
{
expressionX = expressionXVal;
expressionX.Expression = expressionXVal;

if (scrollOrientation == ScrollOrientation.Horizontal)
{
// In horizontal mode we never move the offset y
expressionY = (ScalarNode)0.0f;
expressionY.Expression = "0";
_containerVisual.Offset = new Vector3((float)OffsetY, 0, 0);
}
}

if (scrollOrientation == ScrollOrientation.Vertical || scrollOrientation == ScrollOrientation.Both)
{
expressionY = expressionYVal;
expressionY.Expression = expressionYVal;

if (scrollOrientation == ScrollOrientation.Vertical)
{
// In vertical mode we never move the offset x
expressionX = (ScalarNode)0.0f;
expressionX.Expression = "0";
_containerVisual.Offset = new Vector3(0, (float)OffsetX, 0);
}
}
Expand Down