public void Render(DiagramItem drawingItem, Rectangle?clipRectangle)
{
//System.Diagnostics.Trace.WriteLine("DiagramElement.Paint\n\tName: " + drawingItem.Name);
Brush background = new SolidBrush(Color.White);
SolidBrush foreground = new SolidBrush(Color.Black);
if (drawingItem.IsDisabled)
{
background = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Gray, Color.White);
foreground = new SolidBrush(Color.Gray);
}
Pen foregroundPen = new Pen(foreground);
float[] dashPattern = new float[] { Math.Max(2f, drawingItem.ScaleInt(5)), Math.Max(1f, drawingItem.ScaleInt(2)) };
//if (drawingItem.IsReference && drawingItem.diagram.ShowBoundingBox)
if (drawingItem.Diagram.ShowBoundingBox)
{
int color = 255 - drawingItem.Depth * 8;
_graphics.FillRectangle(new SolidBrush(Color.FromArgb(color, color, color)), drawingItem.ScaleRectangle(drawingItem.BoundingBox));
_graphics.DrawRectangle(foregroundPen, drawingItem.ScaleRectangle(drawingItem.BoundingBox));
}
// Draw the children
if (drawingItem.ShowChildElements)
{
if (clipRectangle.HasValue)
{
foreach (DiagramItem element in drawingItem.ChildElements)
{
if (element.BoundingBox.IntersectsWith(clipRectangle.Value))
{
this.Render(element, clipRectangle);
}
}
}
else
{
foreach (DiagramItem element in drawingItem.ChildElements)
{
this.Render(element);
}
}
}
Rectangle scaledElementBox = drawingItem.ScaleRectangle(drawingItem.ElementBox);
// Draw the children lines
if (drawingItem.ShowChildElements)
{
Pen foregroundInheritPen = new Pen(foreground);
foregroundInheritPen.StartCap = LineCap.Round;
foregroundInheritPen.EndCap = LineCap.Round;
if (drawingItem.ChildElements.Count == 1)
{
int parentMidleY = drawingItem.ScaleInt(drawingItem.Location.Y + drawingItem.Size.Height / 2);
_graphics.DrawLine(foregroundInheritPen, drawingItem.ScaleInt(drawingItem.Location.X + drawingItem.Size.Width), parentMidleY, drawingItem.ScaleInt(drawingItem.ChildElements[0].Location.X), parentMidleY);
}
else if (drawingItem.ChildElements.Count > 1)
{
DiagramItem firstElement = drawingItem.ChildElements[0];
DiagramItem lastElement = drawingItem.ChildElements[drawingItem.ChildElements.Count - 1];
int verticalLine = drawingItem.ScaleInt(firstElement.BoundingBox.Left);
foreach (DiagramItem element in drawingItem.ChildElements)
{
if (element.InheritFrom == null)
{
int currentMidleY = drawingItem.ScaleInt(element.Location.Y + element.Size.Height / 2);
_graphics.DrawLine(foregroundInheritPen, verticalLine, currentMidleY, drawingItem.ScaleInt(element.Location.X), currentMidleY);
}
}
int parentMidleY = drawingItem.ScaleInt(drawingItem.Location.Y + drawingItem.Size.Height / 2);
int firstMidleY = drawingItem.ScaleInt(firstElement.Location.Y + firstElement.Size.Height / 2);
firstMidleY = Math.Min(firstMidleY, parentMidleY);
int lastMidleY = drawingItem.ScaleInt(lastElement.Location.Y + lastElement.Size.Height / 2);
lastMidleY = Math.Max(lastMidleY, parentMidleY);
_graphics.DrawLine(foregroundInheritPen, verticalLine, firstMidleY, verticalLine, lastMidleY);
_graphics.DrawLine(foregroundInheritPen, drawingItem.ScaleInt(drawingItem.Location.X + drawingItem.Size.Width), parentMidleY, verticalLine, parentMidleY);
}
}
// Draw the inheritor line
if (drawingItem.InheritFrom != null)
{
Pen foregroundInheritPen = new Pen(foreground);
foregroundInheritPen.DashStyle = DashStyle.Dash;
foregroundInheritPen.DashPattern = dashPattern;
Point p1 = new Point(drawingItem.ScaleInt(drawingItem.InheritFrom.Location.X - 5), drawingItem.ScaleInt(drawingItem.InheritFrom.Location.Y + drawingItem.InheritFrom.Size.Height + 5));
Point p2 = new Point(drawingItem.ScaleInt(drawingItem.Location.X - 5), drawingItem.ScaleInt(drawingItem.Location.Y - 5));
_graphics.DrawLine(foregroundInheritPen, p1, p2);
_graphics.DrawLine(foregroundInheritPen, p2, new Point(drawingItem.ScaleInt(drawingItem.Location.X), drawingItem.ScaleInt(drawingItem.Location.Y)));
Point targetPoint = new Point(drawingItem.ScaleInt(drawingItem.InheritFrom.Location.X), drawingItem.ScaleInt(drawingItem.InheritFrom.Location.Y + drawingItem.InheritFrom.Size.Height));
_graphics.DrawLine(foregroundInheritPen, targetPoint, p1);
Point[] pathPoint = new Point[4];
pathPoint[0] = targetPoint;
pathPoint[1] = targetPoint; pathPoint[1].Y += drawingItem.ScaleInt(5);
pathPoint[2] = targetPoint; pathPoint[2].X -= drawingItem.ScaleInt(5);
pathPoint[3] = targetPoint;
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddPolygon(pathPoint);
path.CloseFigure();
Pen foregroundBoxPen = new Pen(foreground);
_graphics.FillPath(background, path);
_graphics.DrawPath(foregroundBoxPen, path);
}
switch (drawingItem.ItemType)
{
case DiagramItemType.element:
{
// Draw the main shape following the min/max occurences
Pen foregroundBoxPen = new Pen(foreground);
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
foregroundBoxPen.DashPattern = dashPattern;
}
if (drawingItem.MaxOccurrence == 1)
{
_graphics.FillRectangle(background, scaledElementBox);
_graphics.DrawRectangle(foregroundBoxPen, scaledElementBox);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
_graphics.FillRectangle(background, elementBoxShifted);
_graphics.DrawRectangle(foregroundBoxPen, elementBoxShifted);
_graphics.FillRectangle(background, scaledElementBox);
_graphics.DrawRectangle(foregroundBoxPen, scaledElementBox);
}
}
break;
case DiagramItemType.type:
{
// Draw the main shape following the min/max occurences
int bevel = (int)(scaledElementBox.Height * 0.30);
Point[] pathPoint = new Point[6];
pathPoint[0] = pathPoint[5] = scaledElementBox.Location;
pathPoint[1] = scaledElementBox.Location; pathPoint[1].X = scaledElementBox.Right;
pathPoint[2] = scaledElementBox.Location + scaledElementBox.Size;
pathPoint[3] = scaledElementBox.Location; pathPoint[3].Y = scaledElementBox.Bottom; pathPoint[4] = pathPoint[3];
pathPoint[0].X += bevel;
pathPoint[3].X += bevel;
pathPoint[4].Y -= bevel;
pathPoint[5].Y += bevel;
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddPolygon(pathPoint);
path.CloseFigure();
Point[] pathPointShifted = new Point[6];
Size scaledShiftedBevel = drawingItem.ScaleSize(new Size(3, 3));
for (int i = 0; i < pathPoint.Length; i++)
{
pathPointShifted[i] = pathPoint[i] + scaledShiftedBevel;
}
GraphicsPath pathShifted = new GraphicsPath();
pathShifted.StartFigure();
pathShifted.AddPolygon(pathPointShifted);
pathShifted.CloseFigure();
Pen foregroundBoxPen = new Pen(foreground);
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
foregroundBoxPen.DashPattern = dashPattern;
}
if (drawingItem.MaxOccurrence == 1)
{
_graphics.FillPath(background, path);
_graphics.DrawPath(foregroundBoxPen, path);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
_graphics.FillPath(background, pathShifted);
_graphics.DrawPath(foregroundBoxPen, pathShifted);
_graphics.FillPath(background, path);
_graphics.DrawPath(foregroundBoxPen, path);
}
}
break;
case DiagramItemType.group:
{
// Draw the main shape following the min/max occurences
int bevel = (int)(scaledElementBox.Height * 0.30);
Point[] pathPoint = new Point[8];
pathPoint[0] = pathPoint[7] = scaledElementBox.Location;
pathPoint[1] = scaledElementBox.Location; pathPoint[1].X = scaledElementBox.Right; pathPoint[2] = pathPoint[1];
pathPoint[3] = pathPoint[4] = scaledElementBox.Location + scaledElementBox.Size;
pathPoint[5] = scaledElementBox.Location; pathPoint[5].Y = scaledElementBox.Bottom; pathPoint[6] = pathPoint[5];
pathPoint[0].X += bevel;
pathPoint[1].X -= bevel;
pathPoint[2].Y += bevel;
pathPoint[3].Y -= bevel;
pathPoint[4].X -= bevel;
pathPoint[5].X += bevel;
pathPoint[6].Y -= bevel;
pathPoint[7].Y += bevel;
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddPolygon(pathPoint);
path.CloseFigure();
Point[] pathPointShifted = new Point[8];
Size scaledShiftedBevel = drawingItem.ScaleSize(new Size(3, 3));
for (int i = 0; i < pathPoint.Length; i++)
{
pathPointShifted[i] = pathPoint[i] + scaledShiftedBevel;
}
GraphicsPath pathShifted = new GraphicsPath();
pathShifted.StartFigure();
pathShifted.AddPolygon(pathPointShifted);
pathShifted.CloseFigure();
Pen foregroundBoxPen = new Pen(foreground);
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
foregroundBoxPen.DashPattern = dashPattern;
}
if (drawingItem.MaxOccurrence == 1)
{
_graphics.FillPath(background, path);
_graphics.DrawPath(foregroundBoxPen, path);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
_graphics.FillPath(background, pathShifted);
_graphics.DrawPath(foregroundBoxPen, pathShifted);
_graphics.FillPath(background, path);
_graphics.DrawPath(foregroundBoxPen, path);
}
// Draw the group type
//Pen foregroundPointPen = new Pen(foreground, 4.0f);
switch (drawingItem.GroupType)
{
case DiagramItemGroupType.Sequence:
{
Point p0 = drawingItem.Location + new Size(0, drawingItem.ElementBox.Height / 2);
Point p1 = p0 + new Size(3, 0);
Point p2 = p1 + new Size(drawingItem.ElementBox.Width - 6, 0);
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(p1), drawingItem.ScalePoint(p2));
Point point2 = p0 + new Size(drawingItem.ElementBox.Width / 2, 0);
Point point1 = point2 + new Size(-5, 0);
Point point3 = point2 + new Size(+5, 0);
Size pointSize = new Size(4, 4);
Size pointSize2 = new Size(pointSize.Width / 2, pointSize.Height / 2);
point1 -= pointSize2;
point2 -= pointSize2;
point3 -= pointSize2;
pointSize = drawingItem.ScaleSize(pointSize);
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point1), pointSize));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point2), pointSize));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point3), pointSize));
//Point p0 = drawingItem.Location + new Size(0, drawingItem.ElementBox.Height / 2);
//Point point0 = p0 + new Size(3, 0);
//Point point2 = p0 + new Size(drawingItem.ElementBox.Width / 2, 0);
//Point point1 = point2 + new Size(-5, 0);
//Point point3 = point2 + new Size(+5, 0);
//Point point4 = point0 + new Size(drawingItem.ElementBox.Width - 6, 0);
//Pen foregroundBallPen = new Pen(foreground);
//foregroundBallPen.EndCap = LineCap.RoundAnchor;
////foregroundBallPen.ScaleTransform(1.0f / drawingItem.diagram.Scale, 1.0f / drawingItem.diagram.Scale);
//foregroundBallPen.ScaleTransform(drawingItem.diagram.Scale, drawingItem.diagram.Scale);
//g.DrawLine(foregroundBallPen, drawingItem.ScalePoint(point0), drawingItem.ScalePoint(point1));
//g.DrawLine(foregroundBallPen, drawingItem.ScalePoint(point1), drawingItem.ScalePoint(point2));
//g.DrawLine(foregroundBallPen, drawingItem.ScalePoint(point2), drawingItem.ScalePoint(point3));
//foregroundBallPen.EndCap = LineCap.Flat;
//g.DrawLine(foregroundBallPen, drawingItem.ScalePoint(point3), drawingItem.ScalePoint(point4));
}
break;
case DiagramItemGroupType.Choice:
{
int yMiddle = drawingItem.ElementBox.Y + drawingItem.ElementBox.Height / 2;
int yUp = yMiddle - 4;
int yDown = yMiddle + 4;
int xMiddle = drawingItem.ElementBox.X + drawingItem.ElementBox.Width / 2;
int xLeft2 = xMiddle - 4;
int xLeft1 = xLeft2 - 4;
int xLeft0 = xLeft1 - 4;
int xRight0 = xMiddle + 4;
int xRight1 = xRight0 + 4;
int xRight2 = xRight1 + 4;
Point point1 = new Point(xMiddle, yUp);
Point point2 = new Point(xMiddle, yMiddle);
Point point3 = new Point(xMiddle, yDown);
Size pointSize = new Size(4, 4);
Size pointSize2 = new Size(pointSize.Width / 2, pointSize.Height / 2);
point1 -= pointSize2;
point2 -= pointSize2;
point3 -= pointSize2;
pointSize = drawingItem.ScaleSize(pointSize);
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xLeft0, yMiddle)), drawingItem.ScalePoint(new Point(xLeft1, yMiddle)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xLeft1, yMiddle)), drawingItem.ScalePoint(new Point(xLeft2, yUp)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight0, yUp)), drawingItem.ScalePoint(new Point(xRight1, yUp)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight0, yMiddle)), drawingItem.ScalePoint(new Point(xRight2, yMiddle)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight0, yDown)), drawingItem.ScalePoint(new Point(xRight1, yDown)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight1, yUp)), drawingItem.ScalePoint(new Point(xRight1, yDown)));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point1), pointSize));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point2), pointSize));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point3), pointSize));
}
break;
case DiagramItemGroupType.All:
{
int yMiddle = drawingItem.ElementBox.Y + drawingItem.ElementBox.Height / 2;
int yUp = yMiddle - 4;
int yDown = yMiddle + 4;
int xMiddle = drawingItem.ElementBox.X + drawingItem.ElementBox.Width / 2;
int xLeft2 = xMiddle - 4;
int xLeft1 = xLeft2 - 4;
int xLeft0 = xLeft1 - 4;
int xRight0 = xMiddle + 4;
int xRight1 = xRight0 + 4;
int xRight2 = xRight1 + 4;
Point point1 = new Point(xMiddle, yUp);
Point point2 = new Point(xMiddle, yMiddle);
Point point3 = new Point(xMiddle, yDown);
Size pointSize = new Size(4, 4);
Size pointSize2 = new Size(pointSize.Width / 2, pointSize.Height / 2);
point1 -= pointSize2;
point2 -= pointSize2;
point3 -= pointSize2;
pointSize = drawingItem.ScaleSize(pointSize);
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xLeft2, yUp)), drawingItem.ScalePoint(new Point(xLeft1, yUp)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xLeft2, yMiddle)), drawingItem.ScalePoint(new Point(xLeft0, yMiddle)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xLeft2, yDown)), drawingItem.ScalePoint(new Point(xLeft1, yDown)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xLeft1, yUp)), drawingItem.ScalePoint(new Point(xLeft1, yDown)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight0, yUp)), drawingItem.ScalePoint(new Point(xRight1, yUp)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight0, yMiddle)), drawingItem.ScalePoint(new Point(xRight2, yMiddle)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight0, yDown)), drawingItem.ScalePoint(new Point(xRight1, yDown)));
_graphics.DrawLine(foregroundPen, drawingItem.ScalePoint(new Point(xRight1, yUp)), drawingItem.ScalePoint(new Point(xRight1, yDown)));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point1), pointSize));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point2), pointSize));
_graphics.FillEllipse(foreground, new Rectangle(drawingItem.ScalePoint(point3), pointSize));
}
break;
}
break;
}
}
// Draw text
if (drawingItem.Name.Length > 0)
{
StringFormat stringFormatText = new StringFormat();
stringFormatText.Alignment = StringAlignment.Center;
stringFormatText.LineAlignment = StringAlignment.Center;
stringFormatText.FormatFlags |= StringFormatFlags.NoClip; //MONOFIX
_graphics.DrawString(drawingItem.Name, drawingItem.Font, foreground, new RectangleF(scaledElementBox.X, scaledElementBox.Y, scaledElementBox.Width, scaledElementBox.Height), stringFormatText);
}
// Draw occurences small text
if (drawingItem.MaxOccurrence > 1 || drawingItem.MaxOccurrence == -1)
{
StringFormat stringFormatOccurences = new StringFormat();
stringFormatOccurences.Alignment = StringAlignment.Far;
stringFormatOccurences.LineAlignment = StringAlignment.Center;
stringFormatOccurences.FormatFlags |= StringFormatFlags.NoClip; //MONOFIX
//string occurences = string.Format("{0}..", drawingItem.MinOccurrence) + (drawingItem.MaxOccurrence == -1 ? "\u0066∞" : string.Format("{0}", drawingItem.MaxOccurrence));
string occurences = string.Format("{0}..", drawingItem.MinOccurrence) + (drawingItem.MaxOccurrence == -1 ? "\u221E" : string.Format("{0}", drawingItem.MaxOccurrence));
PointF pointOccurences = new PointF();
pointOccurences.X = drawingItem.Diagram.Scale * (drawingItem.Location.X + drawingItem.Size.Width - 10);
pointOccurences.Y = drawingItem.Diagram.Scale * (drawingItem.Location.Y + drawingItem.Size.Height + 10);
_graphics.DrawString(occurences, drawingItem.SmallFont, foreground, pointOccurences, stringFormatOccurences);
}
// Draw type
if (drawingItem.IsSimpleContent)
{
Point currentPoint = scaledElementBox.Location + new Size(2, 2);
_graphics.DrawLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(8), 0));
currentPoint += new Size(0, 2);
_graphics.DrawLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
currentPoint += new Size(0, 2);
_graphics.DrawLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
currentPoint += new Size(0, 2);
_graphics.DrawLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
}
// Draw reference arrow
if (drawingItem.IsReference)
{
Pen arrowPen = new Pen(foreground, drawingItem.Diagram.Scale * 2.0f);
//arrowPen.EndCap = LineCap.ArrowAnchor;
//Point basePoint = new Point(drawingItem.ElementBox.Left + 2, drawingItem.ElementBox.Bottom - 2);
//g.DrawLine(arrowPen, drawingItem.ScalePoint(basePoint), drawingItem.ScalePoint(basePoint + new Size(4, -4)));
Point basePoint = new Point(drawingItem.ElementBox.Left + 1, drawingItem.ElementBox.Bottom - 1);
Point targetPoint = basePoint + new Size(3, -3);
basePoint = drawingItem.ScalePoint(basePoint);
targetPoint = drawingItem.ScalePoint(targetPoint);
_graphics.DrawLine(arrowPen, basePoint, targetPoint);
Point[] pathPoint = new Point[5];
pathPoint[0] = targetPoint;
pathPoint[1] = targetPoint; pathPoint[1].X += drawingItem.ScaleInt(2); pathPoint[1].Y += drawingItem.ScaleInt(2);
pathPoint[2] = targetPoint; pathPoint[2].X += drawingItem.ScaleInt(3); pathPoint[2].Y -= drawingItem.ScaleInt(3);
pathPoint[3] = targetPoint; pathPoint[3].X -= drawingItem.ScaleInt(2); pathPoint[3].Y -= drawingItem.ScaleInt(2);
pathPoint[4] = targetPoint;
GraphicsPath path = new GraphicsPath();
path.StartFigure();
path.AddPolygon(pathPoint);
path.CloseFigure();
_graphics.FillPath(foreground, path);
}
// Draw children expand box
if (drawingItem.HasChildElements)
{
Rectangle scaledChildExpandButtonBox = drawingItem.ScaleRectangle(drawingItem.ChildExpandButtonBox);
_graphics.FillRectangle(background, scaledChildExpandButtonBox);
_graphics.DrawRectangle(foregroundPen, scaledChildExpandButtonBox);
Point middle = new Point(scaledChildExpandButtonBox.Width / 2, scaledChildExpandButtonBox.Height / 2);
int borderPadding = Math.Max(2, drawingItem.ScaleInt(2));
Point p1 = scaledChildExpandButtonBox.Location + new Size(borderPadding, middle.Y);
Point p2 = new Point(scaledChildExpandButtonBox.Right - borderPadding, p1.Y);
_graphics.DrawLine(foregroundPen, p1, p2);
if (!drawingItem.ShowChildElements)
{
p1 = scaledChildExpandButtonBox.Location + new Size(middle.X, borderPadding);
p2 = new Point(p1.X, scaledChildExpandButtonBox.Bottom - borderPadding);
_graphics.DrawLine(foregroundPen, p1, p2);
}
}
}
