/// <summary>
/// Create a new cookie geometry.
/// </summary>
/// <param name="resourceCreator"> The resource-creator. </param>
/// <param name="transformer"> The source transformer. </param>
/// <param name="innerRadius"> The inner-radius. </param>
/// <param name="sweepAngle"> The sweep-angle. </param>
/// <returns> The product geometry. </returns>
public static CanvasGeometry CreateCookie(ICanvasResourceCreator resourceCreator, ITransformerLTRB transformer, Matrix3x2 matrix, float innerRadius, float sweepAngle)
{
bool zeroInnerRadius = innerRadius == 0;
bool zeroSweepAngle = sweepAngle == 0;
if (zeroSweepAngle)
{
CanvasGeometry ellipse = TransformerGeometry.CreateEllipse(resourceCreator, transformer, matrix);
if (zeroInnerRadius)
{
return(ellipse);
}
else
{
Vector2 center = Vector2.Transform(transformer.Center, matrix);
return(TransformerGeometry.CreateDountCore(ellipse, innerRadius, center));
}
}
else
{
Matrix3x2 oneMatrix = Transformer.FindHomography(Transformer.One, transformer);
Matrix3x2 oneMatrix2 = oneMatrix * matrix;
if (zeroInnerRadius)
{
return(TransformerGeometry.CreatePieCore(resourceCreator, oneMatrix2, sweepAngle));
}
else
{
return(TransformerGeometry.CreateCookieCore(resourceCreator, oneMatrix2, innerRadius, sweepAngle));
}
}
}
/// <summary>
/// Create a new dount geometry.
/// </summary>
/// <param name="resourceCreator"> The resource-creator. </param>
/// <param name="transformer"> The source transformer. </param>
/// <param name="matrix"> The matrix. </param>
/// <param name="holeRadius"> The hole-radius. </param>
/// <returns> The product geometry. </returns>
public static CanvasGeometry CreateDount(ICanvasResourceCreator resourceCreator, ITransformerLTRB transformer, Matrix3x2 matrix, float holeRadius)
{
bool zeroHoleRadius = holeRadius == 0;
CanvasGeometry outter = TransformerGeometry.CreateEllipse(resourceCreator, transformer, matrix);
if (zeroHoleRadius)
{
return(outter);
}
else
{
Vector2 center = Vector2.Transform(transformer.Center, matrix);
return(TransformerGeometry.CreateDountCore(outter, holeRadius, center));
}
}