public IGProcessItem AddItem(
string text,
int width,
Font textFont,
Color textColor,
StringAlignment textAlignment,
Color backColorFrom,
Color backColorTo,
LinearGradientMode backColorGradientMode,
Color lineColor,
float lineWidth,
Image icon)
{
IGProcessItem item = new IGProcessItem
(
text,
width,
textFont,
textColor,
textAlignment,
backColorFrom,
backColorTo,
backColorGradientMode,
lineColor,
lineWidth,
icon
);
_items.Add(item);
return(item);
}
public void PrepareItems()
{
if (_items.Count == 0)
{
return;
}
int itemsTotalWidht = _items.Sum(ob => ob.Width);
itemsTotalWidht += ((_items.Count - 1) * _itemSeperatorWidth);
int itemStartX = 0;
switch (_itemAlignment)
{
case StringAlignment.Center: itemStartX = (Width - itemsTotalWidht) / 2; break;
case StringAlignment.Far: itemStartX = Width - itemsTotalWidht - 5; break;
case StringAlignment.Near: itemStartX = 5; break;
}
PointF location = new PointF(itemStartX, (Height - _itemHeight) / 2);
for (int i = 0; i < _items.Count; ++i)
{
IGProcessItem pItem = _items[i];
pItem.BoundRect = new RectangleF(location, new Size(pItem.Width, ItemHeight));
pItem.Origin = new PointF(pItem.BoundRect.X + pItem.BoundRect.Width / 2, pItem.BoundRect.Y + pItem.BoundRect.Height / 2);
location.X = location.X + pItem.Width + ItemSeperatorWidth;
}
PrepareGraphicsPath();
}
private void PrepareGraphicsPath()
{
for (int i = 0; i < _items.Count; ++i)
{
IGProcessItem pItem = _items[i];
RectangleF rect = pItem.BoundRect;
GraphicsPath grPath = new GraphicsPath();
bool isFirst = (i == 0);
bool isLast = (i == _items.Count - 1);
int itemRoundWidth = (_itemRoundingShape == ItemRoundingShapeType.Circular ? _itemRoundWidth : 0);
PointF[] points = new PointF[isFirst || isLast ? 5 : 6];
if (isLast)
{
points[0] = new PointF(rect.X + rect.Width - itemRoundWidth, rect.Y);
points[1] = new PointF(rect.X, rect.Y);
points[2] = new PointF(rect.X + _itemTriangleWidth, rect.Y + rect.Height / 2);
points[3] = new PointF(rect.X, rect.Y + rect.Height);
points[4] = new PointF(rect.X + rect.Width - itemRoundWidth, rect.Y + rect.Height);
}
else
{
points[0] = new PointF(rect.X + (isFirst ? itemRoundWidth : 0), rect.Y);
points[1] = new PointF(rect.X + rect.Width - _itemTriangleWidth, rect.Y);
points[2] = new PointF(rect.X + rect.Width, rect.Y + rect.Height / 2);
points[3] = new PointF(rect.X + rect.Width - _itemTriangleWidth, rect.Y + rect.Height);
points[4] = new PointF(rect.X + (isFirst ? itemRoundWidth : 0), rect.Y + rect.Height);
}
if (isFirst == false && isLast == false)
{
points[5] = new PointF(rect.X + _itemTriangleWidth, rect.Y + rect.Height / 2);
}
grPath.AddLines(points);
if ((isFirst || isLast) && _itemRoundingShape == ItemRoundingShapeType.Circular)
{
int roundRectWidth = 2 * _itemRoundWidth;
RectangleF r = new RectangleF(rect.X + (isLast ? rect.Width - roundRectWidth : 0), rect.Y, roundRectWidth, rect.Height);
grPath.AddArc(r, 90, (isLast ? -1 : 1) * 180);
}
grPath.CloseFigure();
if (pItem.GrPath != null)
{
pItem.GrPath.Dispose();
}
pItem.GrPath = grPath;
}
}
public void DrawProcessItem(Graphics gr, IGProcessItem item)
{
Brush brush;
if (item.BackColorTo == Color.Empty)
{
brush = new SolidBrush(item.BackColorFrom);
}
else
{
brush = new LinearGradientBrush(item.BoundRect, item.BackColorFrom, item.BackColorTo, item.BackColorGradientMode);
}
gr.FillPath(brush, item.GrPath);
if (item.LineColor != Color.Empty)
{
gr.DrawPath(new Pen(item.LineColor, item.LineWidth), item.GrPath);
}
if (item.Icon != null)
{
gr.DrawImage(item.Icon, new PointF(item.BoundRect.X + _itemTriangleWidth, item.BoundRect.Y + (item.BoundRect.Height - item.Icon.Height) / 2));
}
StringFormat sf = new StringFormat();
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = item.TextAlignment;;
RectangleF textRect = item.BoundRect;
textRect.X += (_itemTriangleWidth + 3) + (item.Icon != null ? item.Icon.Width : 0);
textRect.Width -= (2 * _itemTriangleWidth + 3);
textRect.Y += 1;
gr.DrawString(item.Text, item.TextFont, new SolidBrush(item.TextColor), textRect, sf);
}
public void AddItem(IGProcessItem item)
{
_items.Add((IGProcessItemInner)item);
}
