public void Can_Interpolate_Rotation(double progress, double angle) { var from = TransformOperations.Parse("rotate(10deg)"); var to = TransformOperations.Parse("rotate(20deg)"); var interpolated = TransformOperations.Interpolate(from, to, progress); var operations = interpolated.Operations; Assert.Single(operations); Assert.Equal(TransformOperation.OperationType.Rotate, operations[0].Type); Assert.Equal(MathUtilities.Deg2Rad(angle), operations[0].Data.Rotate.Angle); }
public void Interpolation_Fallback_To_Matrix() { double progress = 0.5d; var from = TransformOperations.Parse("rotate(45deg)"); var to = TransformOperations.Parse("translate(100px, 100px) rotate(1215deg)"); var interpolated = TransformOperations.Interpolate(from, to, progress); var operations = interpolated.Operations; Assert.Single(operations); Assert.Equal(TransformOperation.OperationType.Matrix, operations[0].Type); }
public void Can_Interpolate_Skew(double progress, double x, double y) { var from = TransformOperations.Parse("skewX(10deg)"); var to = TransformOperations.Parse("skewY(20deg)"); var interpolated = TransformOperations.Interpolate(from, to, progress); var operations = interpolated.Operations; Assert.Single(operations); Assert.Equal(TransformOperation.OperationType.Skew, operations[0].Type); Assert.Equal(MathUtilities.Deg2Rad(x), operations[0].Data.Skew.X); Assert.Equal(MathUtilities.Deg2Rad(y), operations[0].Data.Skew.Y); }
public void Can_Interpolate_Scale(double progress, double x, double y) { var from = TransformOperations.Parse("scaleX(10)"); var to = TransformOperations.Parse("scaleY(20)"); var interpolated = TransformOperations.Interpolate(from, to, progress); var operations = interpolated.Operations; Assert.Single(operations); Assert.Equal(TransformOperation.OperationType.Scale, operations[0].Type); Assert.Equal(x, operations[0].Data.Scale.X); Assert.Equal(y, operations[0].Data.Scale.Y); }
public void Order_Of_Operations_Is_Preserved_One_Prefix() { var from = TransformOperations.Parse("scale(1)"); var to = TransformOperations.Parse("scale(0.5,0.5) translate(50px,50px)"); var interpolated_0 = TransformOperations.Interpolate(from, to, 0); Assert.True(interpolated_0.IsIdentity); var interpolated_50 = TransformOperations.Interpolate(from, to, 0.5); AssertMatrix(interpolated_50.Value, scaleX: 0.75, scaleY: 0.75, translateX: 25.0, translateY: 25); var interpolated_100 = TransformOperations.Interpolate(from, to, 1); AssertMatrix(interpolated_100.Value, scaleX: 0.5, scaleY: 0.5, translateX: 50, translateY: 50); }