public void PrepareItems()
{
if (_items.Count == 0)
{
return;
}
foreach (IGProcessItemInner pi in _items)
{
if (pi.Width != 0)
{
continue;
}
if (string.IsNullOrEmpty(pi.Text) || pi.TextFont == null)
{
pi.Width = DefaultItemWidht;
}
else
{
Size textSize = TextRenderer.MeasureText(pi.Text, pi.TextFont);
pi.Width = (_isVertical ? textSize.Height : textSize.Width) + (_itemTextLeftRightEmptyWidth * 2);
}
}
int itemsTotalWidth = GetItemsTotalWidth();
float itemStartX_Y = 0;
int w_h = (_isVertical ? Height : Width);
switch (_itemAlignment)
{
case StringAlignment.Center: itemStartX_Y = (w_h - itemsTotalWidth) / 2; break;
case StringAlignment.Far: itemStartX_Y = w_h - itemsTotalWidth - DefaultNearFarEmptyWidth; break;
case StringAlignment.Near: itemStartX_Y = DefaultNearFarEmptyWidth; break;
}
float x = (_isVertical ? (Width - _itemHeight) / 2 : itemStartX_Y);
float y = (_isVertical ? itemStartX_Y : (Height - _itemHeight) / 2);
PointF location = new PointF(x, y);
for (int i = 0; i < _items.Count; ++i)
{
IGProcessItemInner pItem = _items[i];
pItem.BoundRect = new RectangleF(location, new Size((_isVertical ? _itemHeight : pItem.Width), (_isVertical ? pItem.Width : _itemHeight)));
pItem.Origin = new PointF(pItem.BoundRect.X + pItem.BoundRect.Width / 2, pItem.BoundRect.Y + pItem.BoundRect.Height / 2);
if (_isVertical)
{
location.Y += pItem.Width + ItemSeperatorWidth;
}
else
{
location.X += pItem.Width + ItemSeperatorWidth;
}
}
PrepareItemsGraphicsPath();
}
public IGProcessItem AddItem(
string text,
int width,
Font textFont,
Color textColor,
StringAlignment textAlignment,
float textAngle,
Color backColorFrom,
Color backColorTo,
LinearGradientMode backColorGradientMode,
Color lineColor,
float lineWidth,
Image icon)
{
IGProcessItemInner item = new IGProcessItemInner()
{
Owner = this,
Text = text,
Width = width,
TextFont = textFont,
TextColor = textColor,
TextAlignment = textAlignment,
TextAngle = textAngle,
BackColorFrom = (backColorFrom == Color.Empty ? Color.Blue : backColorFrom),
BackColorTo = backColorTo,
BackColorGradientMode = backColorGradientMode,
LineColor = lineColor,
LineWidth = lineWidth,
Icon = icon
};
_items.Add(item);
return(item);
}
public void Refresh()
{
IGProcessItemInner item = (IGProcessItemInner)this;
using (Graphics gr = item.Owner.CreateGraphics())
{
item.Owner.ConfigureGraphics(gr);
item.Draw(gr);
}
}
private void PrepareItemsGraphicsPath()
{
for (int i = 0; i < _items.Count; ++i)
{
IGProcessItemInner 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)
{
if (_isVertical)
{
points[0] = new PointF(rect.Right, rect.Bottom - itemRoundWidth);
points[1] = new PointF(rect.Right, rect.Y);
points[2] = new PointF(rect.X + rect.Width / 2, rect.Y + _itemTriangleWidth);
points[3] = new PointF(rect.X, rect.Y);
points[4] = new PointF(rect.X, rect.Bottom - itemRoundWidth);
}
else
{
points[0] = new PointF(rect.Right - 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.Bottom);
points[4] = new PointF(rect.Right - itemRoundWidth, rect.Bottom);
}
}
else
{
if (_isVertical)
{
points[0] = new PointF(rect.Right, rect.Y + (isFirst ? itemRoundWidth : 0));
points[1] = new PointF(rect.Right, rect.Bottom - _itemTriangleWidth);
points[2] = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height);
points[3] = new PointF(rect.X, rect.Bottom - _itemTriangleWidth);
points[4] = new PointF(rect.X, rect.Y + (isFirst ? itemRoundWidth : 0));
}
else
{
points[0] = new PointF(rect.X + (isFirst ? itemRoundWidth : 0), rect.Y);
points[1] = new PointF(rect.Right - _itemTriangleWidth, rect.Y);
points[2] = new PointF(rect.Right, rect.Y + rect.Height / 2);
points[3] = new PointF(rect.Right - _itemTriangleWidth, rect.Bottom);
points[4] = new PointF(rect.X + (isFirst ? itemRoundWidth : 0), rect.Bottom);
}
}
if (isFirst == false && isLast == false)
{
if (_isVertical)
{
points[5] = new PointF(rect.X + rect.Width / 2, rect.Y + _itemTriangleWidth);
}
else
{
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;
if (_isVertical)
{
RectangleF r = new RectangleF(rect.X, (isLast ? rect.Bottom - roundRectWidth : rect.Y), rect.Width, roundRectWidth);
grPath.AddArc(r, 180, (isLast ? -1 : 1) * 180);
}
else
{
RectangleF r = new RectangleF((isLast ? rect.Right - roundRectWidth : rect.X), 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;
}
}