/// <summary>
/// Map the transform into a Matrix describing this transformation
/// </summary>
/// <returns>(double[])The generated Matrix (x1,y1,x2,y2,offset1,offset2) </returns>
public Matrix2D ConvertTransformsToMatrix()
{
Matrix2D matrix = new Matrix2D();
foreach (DrawingTransform transform in _transformList)
{
switch (transform.TransformType)
{
case TranformType.Translate:
matrix.T1 += transform.Data[0];
matrix.T2 += transform.Data[1];
break;
case TranformType.Scale:
matrix.X1 *= transform.Data[0];
matrix.Y1 *= transform.Data[0];
matrix.T1 *= transform.Data[0];
matrix.X2 *= transform.Data[1];
matrix.Y2 *= transform.Data[1];
matrix.T2 *= transform.Data[1];
break;
case TranformType.Rotate:
double angle = transform.Data[0];
double sin = Math.Sin(angle);
double cos = Math.Cos(angle);
Matrix2D temp = (Matrix2D)matrix.Clone();
matrix.X1 = temp.X1 * cos + temp.X2 * sin;
matrix.X2 = temp.Y1 * cos + temp.Y2 * sin;
matrix.T1 = temp.T1 * cos + temp.T2 * sin;
matrix.Y1 = -temp.X1 * sin + temp.X2 * cos;
matrix.Y2 = -temp.Y1 * sin + temp.Y2 * cos;
matrix.T2 = -temp.T1 * sin + temp.T2 * cos;
break;
default:
throw new RenderingVerificationException("Unsupported transform type passed in");
}
}
return(matrix);
}
/// <summary>
/// Perform all Transformation from the list
/// </summary>
/// <returns>The resulting matrix after all the transform</returns>
public double[] ApplyTransforms()
{
// double[] matrix = new double[] { 1f, 0f, 0f, 1f, 0f, 0f };
Matrix2D matrix = new Matrix2D();
foreach (DrawingTransform transform in _transformList)
{
switch (transform.TransformType)
{
case TranformType.Translate:
matrix.T1 += transform.Data[0];
matrix.T2 += transform.Data[1];
// matrix[4] += transform.Data[0];
// matrix[5] += transform.Data[1];
break;
case TranformType.Scale:
matrix.X1 *= transform.Data[0];
matrix.Y1 *= transform.Data[0];
matrix.T1 *= transform.Data[0];
matrix.X2 *= transform.Data[1];
matrix.Y2 *= transform.Data[1];
matrix.T2 *= transform.Data[1];
// matrix[0] *= transform.Data[0];
// matrix[1] *= transform.Data[0];
// matrix[4] *= transform.Data[1];
// matrix[2] *= transform.Data[1];
// matrix[3] *= transform.Data[1];
// matrix[5] *= transform.Data[0];
break;
case TranformType.Rotate:
double angle = transform.Data[0];
double sin = Math.Sin(angle);
double cos = Math.Cos(angle);
Matrix2D temp = (Matrix2D)matrix.Clone();
matrix.X1 = temp.X1 * cos + temp.X2 * sin;
matrix.X2 = temp.Y1 * cos + temp.Y2 * sin;
matrix.T1 = temp.T1 * cos + temp.T2 * sin;
matrix.Y1 = -temp.X1 * sin + temp.X2 * cos;
matrix.Y2 = -temp.Y1 * sin + temp.Y2 * cos;
matrix.T2 = -temp.T1 * sin + temp.T2 * cos;
// double[] temp = (double[])matrix.Clone();
//
// matrix[0] = temp[0] * cos - temp[2] * sin;
// matrix[1] = temp[1] * cos - temp[3] * sin;
// matrix[4] = temp[4] * cos - temp[5] * sin;
// matrix[2] = temp[0] * sin + temp[2] * cos;
// matrix[3] = temp[1] * sin + temp[3] * cos;
// matrix[5] = temp[4] * sin + temp[5] * cos;
break;
default:
throw new Exception("Unsupported transform type passed in");
}
}
Matrix = matrix;
return(matrix);
}