public static D2D1Matrix3X2F Skew(float angleX, float angleY, D2D1Point2F center)
{
D2D1Matrix3X2F matrix;
NativeMethods.D2D1MakeSkewMatrix(angleX, angleY, center, out matrix);
return(matrix);
}
/// <summary>
/// Initializes a new instance of the <see cref="D2D1RadialGradientBrushProperties"/> struct.
/// </summary>
/// <param name="center">The center of the gradient ellipse, in the brush's coordinate space.</param>
/// <param name="gradientOriginOffset">The offset of the gradient origin relative to the gradient ellipse's center, in the brush's coordinate space.</param>
/// <param name="radiusX">The x-radius of the gradient ellipse, in the brush's coordinate space.</param>
/// <param name="radiusY">The y-radius of the gradient ellipse, in the brush's coordinate space.</param>
public D2D1RadialGradientBrushProperties(D2D1Point2F center, D2D1Point2F gradientOriginOffset, float radiusX, float radiusY)
{
this.center = center;
this.gradientOriginOffset = gradientOriginOffset;
this.radiusX = radiusX;
this.radiusY = radiusY;
}
public static D2D1Matrix3X2F Rotation(float angle, D2D1Point2F center)
{
D2D1Matrix3X2F matrix;
NativeMethods.D2D1MakeRotateMatrix(angle, center, out matrix);
return(matrix);
}
/// <summary>
/// Initializes a new instance of the <see cref="D2D1ArcSegment"/> struct.
/// </summary>
/// <param name="point">The end point of the arc.</param>
/// <param name="size">The x-radius and y-radius of the arc.</param>
/// <param name="rotationAngle">A value that specifies how many degrees in the clockwise direction the ellipse is rotated relative to the current coordinate system.</param>
/// <param name="sweepDirection">A value that specifies whether the arc sweep is clockwise or counterclockwise.</param>
/// <param name="arcSize">A value that specifies whether the given arc is larger than 180 degrees.</param>
public D2D1ArcSegment(D2D1Point2F point, D2D1SizeF size, float rotationAngle, D2D1SweepDirection sweepDirection, D2D1ArcSize arcSize)
{
this.point = point;
this.size = size;
this.rotationAngle = rotationAngle;
this.sweepDirection = sweepDirection;
this.arcSize = arcSize;
}
public static D2D1Matrix3X2F Scale(float x, float y, D2D1Point2F center)
{
D2D1Matrix3X2F scale;
scale.m11 = x;
scale.m12 = 0.0f;
scale.m21 = 0.0f;
scale.m22 = y;
scale.m31 = center.X - (x * center.X);
scale.m32 = center.Y - (y * center.Y);
return(scale);
}
/// <summary>
/// Creates a scale transformation that has the specified scale factors and center point.
/// </summary>
/// <param name="size">The x-axis and y-axis scale factors of the scale transformation.</param>
/// <param name="center">The point about which the scale is performed.</param>
/// <returns>The new scale transformation.</returns>
public static D2D1Matrix3X2F Scale(D2D1SizeF size, D2D1Point2F center)
{
D2D1Matrix3X2F scale;
scale.m11 = size.Width;
scale.m12 = 0.0f;
scale.m21 = 0.0f;
scale.m22 = size.Height;
scale.m31 = center.X - (size.Width * center.X);
scale.m32 = center.Y - (size.Height * center.Y);
return(scale);
}
/// <summary>
/// Initializes a new instance of the <see cref="D2D1BezierSegment"/> struct.
/// </summary>
/// <param name="point1">The first control point for the Bezier segment.</param>
/// <param name="point2">The second control point for the Bezier segment.</param>
/// <param name="point3">The end point for the Bezier segment.</param>
public D2D1BezierSegment(D2D1Point2F point1, D2D1Point2F point2, D2D1Point2F point3)
{
this.point1 = point1;
this.point2 = point2;
this.point3 = point3;
}
/// <summary>
/// Uses this matrix to transform the specified point and returns the result.
/// </summary>
/// <param name="point">The point to transform.</param>
/// <returns>The result point.</returns>
public D2D1Point2F TranformPoint(D2D1Point2F point)
{
return(new D2D1Point2F(
(point.X * this.m11) + (point.Y * this.m21) + this.m31,
(point.X * this.m12) + (point.Y * this.m22) + this.m32));
}
/// <summary>
/// Initializes a new instance of the <see cref="D2D1LinearGradientBrushProperties"/> struct.
/// </summary>
/// <param name="startPoint">The starting point of the gradient axis, in the brush's coordinate space.</param>
/// <param name="endPoint">The endpoint of the gradient axis, in the brush's coordinate space.</param>
public D2D1LinearGradientBrushProperties(D2D1Point2F startPoint, D2D1Point2F endPoint)
{
this.startPoint = startPoint;
this.endPoint = endPoint;
}
public static extern void D2D1MakeSkewMatrix(
[In] float angleX,
[In] float angleY,
[In] D2D1Point2F center,
[Out] out D2D1Matrix3X2F matrix);
public static extern void D2D1MakeRotateMatrix(
[In] float angle,
[In] D2D1Point2F center,
[Out] out D2D1Matrix3X2F matrix);
/// <summary>
/// Initializes a new instance of the <see cref="D2D1QuadraticBezierSegment"/> struct.
/// </summary>
/// <param name="point1">The control point of the quadratic Bezier segment.</param>
/// <param name="point2">The end point of the quadratic Bezier segment.</param>
public D2D1QuadraticBezierSegment(D2D1Point2F point1, D2D1Point2F point2)
{
this.point1 = point1;
this.point2 = point2;
}
/// <summary>
/// Initializes a new instance of the <see cref="D2D1Ellipse"/> struct.
/// </summary>
/// <param name="point">The center point of the ellipse.</param>
/// <param name="radiusX">The X-radius of the ellipse.</param>
/// <param name="radiusY">The Y-radius of the ellipse.</param>
public D2D1Ellipse(D2D1Point2F point, float radiusX, float radiusY)
{
this.point = point;
this.radiusX = radiusX;
this.radiusY = radiusY;
}
public void BeginFigure(D2D1Point2F startPoint, D2D1FigureBegin figureBegin)
{
this.GetHandle <ID2D1SimplifiedGeometrySink>().BeginFigure(startPoint, figureBegin);
}
/// <summary>
/// Initializes a new instance of the <see cref="D2D1Triangle"/> struct.
/// </summary>
/// <param name="point1">The first vertex of a triangle.</param>
/// <param name="point2">The second vertex of a triangle.</param>
/// <param name="point3">The third vertex of a triangle.</param>
public D2D1Triangle(D2D1Point2F point1, D2D1Point2F point2, D2D1Point2F point3)
{
this.point1 = point1;
this.point2 = point2;
this.point3 = point3;
}
public void AddLine(D2D1Point2F point)
{
this.geometrySink.AddLine(point);
}