/// <summary>
/// Create a new capsule geometry.
/// </summary>
/// <param name="resourceCreator"> The resource - creator. </param>
/// <param name="transformer"> The ITransformer - LTRB. </param>
/// <returns> The product geometry. </returns>
public static CanvasGeometry CreateCapsule(ICanvasResourceCreator resourceCreator, ITransformerLTRB transformer)
{
Vector2 centerLeft = transformer.CenterLeft;
Vector2 centerTop = transformer.CenterTop;
Vector2 centerRight = transformer.CenterRight;
Vector2 centerBottom = transformer.CenterBottom;
// Horizontal
Vector2 horizontal = transformer.Horizontal;
float horizontalLength = horizontal.Length();
Vector2 horizontalUnit = horizontal / horizontalLength;
// Vertical
Vector2 vertical = transformer.Vertical;
float verticalLength = vertical.Length();
if (horizontalLength < verticalLength)
{
return(TransformerGeometry.CreateEllipse(resourceCreator, transformer));
}
return(TransformerGeometry.CreateCapsuleCore(resourceCreator,
verticalLength,
horizontalUnit,
centerTop,
centerLeft,
centerRight,
centerBottom,
transformer.LeftTop,
transformer.RightTop,
transformer.RightBottom,
transformer.LeftBottom
));
}
/// <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 pie geometry.
/// </summary>
/// <param name="resourceCreator"> The resource-creator. </param>
/// <param name="sweepAngle"> The sweep-angle. </param>
/// <returns> The product geometry. </returns>
public static CanvasGeometry CreatePie(ICanvasResourceCreator resourceCreator, ITransformerLTRB transformer, float sweepAngle)
{
bool zeroSweepAngle = sweepAngle == 0;
if (zeroSweepAngle)
{
return(TransformerGeometry.CreateEllipse(resourceCreator, transformer));
}
else
{
Matrix3x2 oneMatrix = Transformer.FindHomography(Transformer.One, transformer);
return(TransformerGeometry.CreatePieCore(resourceCreator, oneMatrix, 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));
}
}
/// <summary>
/// Create a new capsule geometry.
/// </summary>
/// <param name="resourceCreator"> The resource - creator. </param>
/// <param name="transformerLTRB"> The ITransformer - LTRB. </param>
/// <param name="matrix"> The matrix. </param>
/// <returns> The product geometry. </returns>
public static CanvasGeometry CreateCapsule(ICanvasResourceCreator resourceCreator, ITransformerLTRB transformer, Matrix3x2 matrix)
{
Vector2 leftTop = Vector2.Transform(transformer.LeftTop, matrix);
Vector2 rightTop = Vector2.Transform(transformer.RightTop, matrix);
Vector2 rightBottom = Vector2.Transform(transformer.RightBottom, matrix);
Vector2 leftBottom = Vector2.Transform(transformer.LeftBottom, matrix);
Vector2 centerLeft = Vector2.Transform(transformer.CenterLeft, matrix);
Vector2 centerTop = Vector2.Transform(transformer.CenterTop, matrix);
Vector2 centerRight = Vector2.Transform(transformer.CenterRight, matrix);
Vector2 centerBottom = Vector2.Transform(transformer.CenterBottom, matrix);
// Horizontal
Vector2 horizontal = (centerRight - centerLeft);
float horizontalLength = horizontal.Length();
Vector2 horizontalUnit = horizontal / horizontalLength;
// Vertical
Vector2 vertical = (centerBottom - centerTop);
float verticalLength = vertical.Length();
if (horizontalLength < verticalLength)
{
return(TransformerGeometry.CreateEllipse(resourceCreator, transformer, matrix));
}
return(TransformerGeometry.CreateCapsuleCore(resourceCreator,
verticalLength,
horizontalUnit,
centerTop,
centerLeft,
centerRight,
centerBottom,
leftTop,
rightTop,
rightBottom,
leftBottom));
}
/// <summary> /// Create a new ellipse geometry. /// </summary> /// <param name="resourceCreator"> The resource-creator. </param> /// <param name="transformerLTRB"> The ITransformer-LTRB. </param> /// <param name="matrix"> The matrix. </param> /// <returns> The product geometry. </returns> public static CanvasGeometry CreateEllipse(ICanvasResourceCreator resourceCreator, ITransformerLTRB transformerLTRB, Matrix3x2 matrix) => TransformerGeometry.CreateEllipse(resourceCreator, transformerLTRB.CenterLeft, transformerLTRB.CenterTop, transformerLTRB.CenterRight, transformerLTRB.CenterBottom, matrix);
/// <summary> /// Turn to geometry. /// </summary> /// <param name="resourceCreator"> The resource-creator. </param> /// <param name="matrix"> The matrix. </param> /// <returns></returns> public CanvasGeometry ToEllipse(ICanvasResourceCreator resourceCreator, Matrix3x2 matrix) => TransformerGeometry.CreateEllipse(resourceCreator, this, matrix);
/// <summary> /// Turn to geometry. /// </summary> /// <param name="resourceCreator"> The resource-creator. </param> /// <returns></returns> public CanvasGeometry ToEllipse(ICanvasResourceCreator resourceCreator) => TransformerGeometry.CreateEllipse(resourceCreator, this);