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#nullable disable
using System;
namespace Microsoft.Maui.Controls.Shapes
{
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="Type[@FullName='Microsoft.Maui.Controls.Shapes.RotateTransform']/Docs/*" />
public class RotateTransform : Transform
{
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="//Member[@MemberName='.ctor'][1]/Docs/*" />
public RotateTransform()
{
}
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="//Member[@MemberName='.ctor'][2]/Docs/*" />
public RotateTransform(double angle)
{
Angle = angle;
}
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="//Member[@MemberName='.ctor'][3]/Docs/*" />
public RotateTransform(double angle, double centerX, double centerY)
{
Angle = angle;
CenterX = centerX;
CenterY = centerY;
}
/// <summary>Bindable property for <see cref="Angle"/>.</summary>
public static readonly BindableProperty AngleProperty =
BindableProperty.Create(nameof(Angle), typeof(double), typeof(RotateTransform), 0.0,
propertyChanged: OnTransformPropertyChanged);
/// <summary>Bindable property for <see cref="CenterX"/>.</summary>
public static readonly BindableProperty CenterXProperty =
BindableProperty.Create(nameof(CenterX), typeof(double), typeof(RotateTransform), 0.0,
propertyChanged: OnTransformPropertyChanged);
/// <summary>Bindable property for <see cref="CenterY"/>.</summary>
public static readonly BindableProperty CenterYProperty =
BindableProperty.Create(nameof(CenterY), typeof(double), typeof(RotateTransform), 0.0,
propertyChanged: OnTransformPropertyChanged);
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="//Member[@MemberName='Angle']/Docs/*" />
public double Angle
{
set { SetValue(AngleProperty, value); }
get { return (double)GetValue(AngleProperty); }
}
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="//Member[@MemberName='CenterX']/Docs/*" />
public double CenterX
{
set { SetValue(CenterXProperty, value); }
get { return (double)GetValue(CenterXProperty); }
}
/// <include file="../../../docs/Microsoft.Maui.Controls.Shapes/RotateTransform.xml" path="//Member[@MemberName='CenterY']/Docs/*" />
public double CenterY
{
set { SetValue(CenterYProperty, value); }
get { return (double)GetValue(CenterYProperty); }
}
static void OnTransformPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
(bindable as RotateTransform).OnTransformPropertyChanged();
}
void OnTransformPropertyChanged()
{
double radians = Math.PI * Angle / 180;
double sin = Math.Sin(radians);
double cos = Math.Cos(radians);
Value = new Matrix(cos, sin, -sin, cos, CenterX * (1 - cos) + CenterY * sin, CenterY * (1 - cos) - CenterX * sin);
}
}
} |