/// <summary>
///
/// </summary>
public void UpdateRectangle(IColorMap aColorMap)
{
iFillRectangle = new System.Drawing.RectangleF(
(iLowerLeft.X * iScale.X),
(iLowerLeft.Y * iScale.Y),
(iWidth * iScale.X),
iHeight * iScale.Y);
if (aColorMap.GetColors().GetLength(0) < iId)
{
iId = 0;
}
iBrush = new System.Drawing.Drawing2D.LinearGradientBrush(
iFillRectangle,
aColorMap.GetColor(iId), Color.Black,
System.Drawing.Drawing2D.LinearGradientMode.Vertical);
iGrayBrush = new System.Drawing.Drawing2D.LinearGradientBrush(
iFillRectangle,
Color.Gray, Color.Black,
System.Drawing.Drawing2D.LinearGradientMode.Vertical);
iBorderRectangle = new System.Drawing.Rectangle(
(int)Math.Ceiling(iLowerLeft.X * iScale.X),
(int)Math.Ceiling(iLowerLeft.Y * iScale.Y),
(int)Math.Ceiling(iWidth * iScale.X),
(int)Math.Ceiling(iHeight * iScale.Y));
}
/// <summary>
///
/// </summary>
/// <param name="aGraphics"></param>
/// <param name="aColorMap"></param>
private void DrawChild(Graphics aGraphics, IColorMap aColorMap, List <int> aSelectedIds, IndexVisibilityHandler aVisibility)
{
float height = iHeight * iScale.Y;
if (height <= 1)
{
return;
}
UpdateRectangle(aColorMap);
// Last level: Draw Label and Fill Rectangle
if (iChildRectangles.Count == 0)
{
int amount = aColorMap.GetColors().GetLength(0);
if (amount < iId)
{
iId = 0;
}
// *** If selected ***
if (aSelectedIds != null && aSelectedIds.Contains(iId) && (aVisibility != null && aVisibility.GetVisibility(iId)))
{
System.Drawing.Drawing2D.LinearGradientBrush brush = new
System.Drawing.Drawing2D.LinearGradientBrush(
iFillRectangle,
aColorMap.GetColor(iId), Color.White,
System.Drawing.Drawing2D.LinearGradientMode.Vertical);
aGraphics.FillRectangle(brush, iFillRectangle);
DrawLabel(aGraphics, iSelectedGroupLabelPen);
Pen selectedPen = new Pen(Color.Cyan, 3);
Pen selectedPen2 = new Pen(Color.Blue, 3);
aGraphics.DrawRectangle(selectedPen, iBorderRectangle.X + 3, iBorderRectangle.Y + 3, iBorderRectangle.Width - 7, iBorderRectangle.Height - 7);
aGraphics.DrawRectangle(selectedPen2, iBorderRectangle.X + 6, iBorderRectangle.Y + 6, iBorderRectangle.Width - 12, iBorderRectangle.Height - 12);
}
else
{
if (aVisibility != null && aVisibility.GetVisibility(iId))
{
aGraphics.FillRectangle(iBrush, iFillRectangle);
}
else
{
aGraphics.FillRectangle(iGrayBrush, iFillRectangle);
}
DrawLabel(aGraphics);
}
}
else
{
// Call children recursively
foreach (TreeRectangle rectangle in iChildRectangles)
{
rectangle.DrawChild(aGraphics, aColorMap, aSelectedIds, aVisibility);
}
// Draw the The Group Rectangle (as a border)
aGraphics.DrawRectangle(iPen, iBorderRectangle);
// Draw the Group Label
DrawGroupLabel(iFillRectangle, aGraphics, iBorderPen);
}
}