/// <summary>
/// Creates a polygon
/// </summary>
/// <param name="anchor">the client anchor describes how this Group Is attached
/// to the sheet.</param>
/// <returns>the newly Created shape.</returns>
public HSSFPolygon CreatePolygon(HSSFChildAnchor anchor)
{
HSSFPolygon shape = new HSSFPolygon(this, anchor);
shape.Anchor = anchor;
shapes.Add(shape);
return(shape);
}
/// <summary>
/// Creates a polygon
/// </summary>
/// <param name="anchor">the client anchor describes how this Group is attached
/// to the sheet.</param>
/// <returns>the newly Created shape.</returns>
public HSSFPolygon CreatePolygon(IClientAnchor anchor)
{
HSSFPolygon shape = new HSSFPolygon(null, (HSSFAnchor)anchor);
shape.Anchor = (HSSFAnchor)anchor;
AddShape(shape);
return(shape);
}
/**
* Fills a (closed) polygon, as defined by a pair of arrays, which
* hold the <i>x</i> and <i>y</i> coordinates.
*
* This Draws the polygon, with <c>nPoint</c> line segments.
* The first <c>nPoint - 1</c> line segments are
* Drawn between sequential points
* (<c>xPoints[i],yPoints[i],xPoints[i+1],yPoints[i+1]</c>).
* The line segment Is a closing one, from the last point to
* the first (assuming they are different).
*
* The area inside of the polygon Is defined by using an
* even-odd Fill rule (also known as the alternating rule), and
* the area inside of it Is Filled.
* @param xPoints array of the <c>x</c> coordinates.
* @param yPoints array of the <c>y</c> coordinates.
* @param nPoints the total number of points in the polygon.
* @see java.awt.Graphics#DrawPolygon(int[], int[], int)
*/
public void FillPolygon(int[] xPoints, int[] yPoints,
int nPoints)
{
int right = FindBiggest(xPoints);
int bottom = FindBiggest(yPoints);
int left = FindSmallest(xPoints);
int top = FindSmallest(yPoints);
HSSFPolygon shape = escherGroup.CreatePolygon(new HSSFChildAnchor(left, top, right, bottom));
shape.SetPolygonDrawArea(right - left, bottom - top);
shape.SetPoints(AddToAll(xPoints, -left), AddToAll(yPoints, -top));
shape.SetLineStyleColor(foreground.R, foreground.G, foreground.B);
shape.SetFillColor(foreground.R, foreground.G, foreground.B);
}