public override void Render(DiagramItem drawingItem)
{
bool showDocumentation = drawingItem.Diagram.ShowDocumentation && !drawingItem.DocumentationBox.IsEmpty && _graphics != null;
//if (drawingItem.diagram.ShowBoundingBox)
//{
// int color = 255 - depth * 8;
// g.FillRectangle(new SolidBrush(Color.FromArgb(color, color, color)), drawingItem.ScaleRectangle(drawingItem.boundingBox));
// g.DrawRectangle(foregroundPen, drawingItem.ScaleRectangle(drawingItem.boundingBox));
//}
// Draw the children
if (drawingItem.ShowChildElements)
{
foreach (DiagramItem element in drawingItem.ChildElements)
{
this.Render(element);
_writer.WriteLine();
}
}
string backgroundBrush = "fill:rgb(255,255,255)";
string foregroundColor = "rgb(0,0,0)";
string foregroundBrush = "fill:" + foregroundColor;
string foregroundPen = "stroke:" + foregroundColor + ";stroke-width:1";
string foregroundRoundPen = foregroundPen + ";stroke-linecap:round";
string dashed = "stroke-dasharray:4,1";
Rectangle scaledElementBox = drawingItem.ScaleRectangle(drawingItem.ElementBox);
// Draw the children lines
if (drawingItem.ShowChildElements && drawingItem.ChildElements.Count > 0)
{
if (drawingItem.ChildElements.Count == 1 && !showDocumentation)
{
int parentMidleY = drawingItem.ScaleInt(drawingItem.Location.Y + drawingItem.Size.Height / 2);
this.SVGLine(foregroundRoundPen,
drawingItem.ScaleInt(drawingItem.Location.X + drawingItem.Size.Width),
parentMidleY, drawingItem.ScaleInt(drawingItem.ChildElements[0].Location.X), parentMidleY);
}
else if (drawingItem.ChildElements.Count > 1 || showDocumentation)
{
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);
SVGLine(foregroundRoundPen, 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);
this.SVGLine(foregroundRoundPen, verticalLine, firstMidleY, verticalLine, lastMidleY);
this.SVGLine(foregroundRoundPen,
drawingItem.ScaleInt(drawingItem.Location.X + drawingItem.Size.Width),
parentMidleY, verticalLine, parentMidleY);
}
}
// Draw the inheritor line
if (drawingItem.InheritFrom != null)
{
string foregroundInheritPen = foregroundPen + ";" + dashed;
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));
this.SVGLine(foregroundInheritPen, p1, p2);
this.SVGLine(foregroundInheritPen, p2,
new Point(drawingItem.ScaleInt(drawingItem.Location.X), drawingItem.ScaleInt(drawingItem.Location.Y)));
Point targetPoint = new Point(drawingItem.ScaleInt(drawingItem.InheritFrom.Location.X - 3),
drawingItem.ScaleInt(drawingItem.InheritFrom.Location.Y + drawingItem.InheritFrom.Size.Height + 3));
SVGLine(foregroundInheritPen, targetPoint, p1);
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;
string path = SVGPolygonToDrawCommand(pathPoint);
SVGPath(backgroundBrush + ";" + foregroundPen, path);
}
switch (drawingItem.ItemType)
{
case DiagramItemType.element:
{
// Draw the main shape following the min/max occurences
string foregroundBoxPen = foregroundPen;
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen += ";" + dashed;
}
if (drawingItem.MaxOccurrence == 1)
{
SVGRectangle(backgroundBrush + ";" + foregroundBoxPen, scaledElementBox);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
this.SVGRectangle(backgroundBrush + ";" + foregroundBoxPen, elementBoxShifted);
this.SVGRectangle(backgroundBrush + ";" + 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;
string path = SVGPolygonToDrawCommand(pathPoint);
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;
}
string pathShifted = SVGPolygonToDrawCommand(pathPointShifted);
string foregroundBoxPen = foregroundPen;
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen += ";" + dashed;
}
if (drawingItem.MaxOccurrence == 1)
{
SVGPath(backgroundBrush + ";" + foregroundBoxPen, path);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, pathShifted);
this.SVGPath(backgroundBrush + ";" + 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;
string path = SVGPolygonToDrawCommand(pathPoint);
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;
}
string pathShifted = this.SVGPolygonToDrawCommand(pathPointShifted);
string foregroundBoxPen = foregroundPen;
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen += ";" + dashed;
}
if (drawingItem.MaxOccurrence == 1)
{
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, path);
}
else
{
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, pathShifted);
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, path);
}
// Draw the group type
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);
SVGLine(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);
SVGEllipse(foregroundColor, new Rectangle(drawingItem.ScalePoint(point1), pointSize));
SVGEllipse(foregroundColor, new Rectangle(drawingItem.ScalePoint(point2), pointSize));
SVGEllipse(foregroundColor, 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);
//SVGDrawLine(result, foregroundBallPen, drawingItem.ScalePoint(point0), drawingItem.ScalePoint(point1));
//SVGDrawLine(result, foregroundBallPen, drawingItem.ScalePoint(point1), drawingItem.ScalePoint(point2));
//SVGDrawLine(result, foregroundBallPen, drawingItem.ScalePoint(point2), drawingItem.ScalePoint(point3));
//foregroundBallPen.EndCap = LineCap.Flat;
//SVGDrawLine(result, 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);
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft0, yMiddle)),
drawingItem.ScalePoint(new Point(xLeft1, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft1, yMiddle)),
drawingItem.ScalePoint(new Point(xLeft2, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yMiddle)),
drawingItem.ScalePoint(new Point(xRight2, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yDown)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight1, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point1), pointSize));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point2), pointSize));
SVGEllipse(foregroundColor,
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);
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft2, yUp)),
drawingItem.ScalePoint(new Point(xLeft1, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft2, yMiddle)),
drawingItem.ScalePoint(new Point(xLeft0, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft2, yDown)),
drawingItem.ScalePoint(new Point(xLeft1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft1, yUp)),
drawingItem.ScalePoint(new Point(xLeft1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yMiddle)),
drawingItem.ScalePoint(new Point(xRight2, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yDown)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight1, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point1), pointSize));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point2), pointSize));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point3), pointSize));
}
break;
}
break;
}
}
float fontScale = 0.8f;
// Draw text
if (drawingItem.Name.Length > 0)
{
string style = String.Format(
"font-family:{0};font-size:{1}pt;fill:{2};font-weight:bold;text-anchor:middle;dominant-baseline:central",
drawingItem.Font.Name, drawingItem.Font.Size * fontScale, foregroundColor);
SVGText(drawingItem.Name, style,
new Rectangle(scaledElementBox.X, scaledElementBox.Y, scaledElementBox.Width, scaledElementBox.Height));
}
// Draw Documentation
if (showDocumentation)
{
string text = drawingItem.GetTextDocumentation();
if (text != null)
{
Rectangle scaledDocumentationBox = drawingItem.ScaleRectangle(drawingItem.DocumentationBox);
List <string> lines = WrapText(_graphics, drawingItem.DocumentationFont, text, scaledDocumentationBox.Width * fontScale * 0.6f);
//stringFormatText.Trimming = StringTrimming.EllipsisCharacter;
string style = String.Format(
"font-family:{0};font-size:{1}pt;fill:{2};font-weight:normal;text-anchor:start;dominant-baseline:central;inline-size={3}",
drawingItem.DocumentationFont.Name, drawingItem.DocumentationFont.Size * fontScale * 0.9, foregroundColor, scaledDocumentationBox.Width);
float fontSizeAdjustement = drawingItem.DocumentationFont.Size * fontScale * 1.4f;
SVGText(lines, style,
new Point(scaledDocumentationBox.X, scaledDocumentationBox.Y), fontSizeAdjustement,
new Size(scaledDocumentationBox.Width, scaledDocumentationBox.Height));
}
}
// Draw occurences small text
if (drawingItem.MaxOccurrence > 1 || drawingItem.MaxOccurrence == -1)
{
string occurences = String.Format("{0}..", drawingItem.MinOccurrence) +
(drawingItem.MaxOccurrence == -1 ? "∞" : 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);
string style = String.Format(
"font-family:{0};font-size:{1}pt;fill:{2};text-anchor:end;dominant-baseline:central",
drawingItem.SmallFont.Name, drawingItem.SmallFont.Size * fontScale, foregroundColor);
SVGText(occurences, style, new Point((int)pointOccurences.X, (int)pointOccurences.Y));
}
// Draw type
if (drawingItem.IsSimpleContent)
{
Point currentPoint = scaledElementBox.Location + new Size(2, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(8), 0));
currentPoint += new Size(0, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
currentPoint += new Size(0, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
currentPoint += new Size(0, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
}
// Draw reference arrow
if (drawingItem.IsReference)
{
string arrowPen = String.Format("stroke:{0};stroke-width:{1}",
foregroundColor, drawingItem.Diagram.Scale * 2.0f);
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);
if (drawingItem.ItemType == DiagramItemType.group)
{
int bevel = (int)(scaledElementBox.Height * 0.30);
int groupCornerOffset = (int)((double)bevel * 0.424264068713); // 0.6/sqr(2)
basePoint.X += groupCornerOffset;
basePoint.Y -= groupCornerOffset;
targetPoint.X += groupCornerOffset;
targetPoint.Y -= groupCornerOffset;
}
SVGLine(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;
string path = SVGPolygonToDrawCommand(pathPoint);
SVGPath(foregroundBrush, path);
}
// Draw children expand box
if (drawingItem.HasChildElements)
{
Rectangle scaledChildExpandButtonBox = drawingItem.ScaleRectangle(drawingItem.ChildExpandButtonBox);
SVGRectangle(backgroundBrush + ";" + 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);
SVGLine(foregroundPen, p1, p2);
if (!drawingItem.ShowChildElements)
{
p1 = scaledChildExpandButtonBox.Location + new Size(middle.X, borderPadding);
p2 = new Point(p1.X, scaledChildExpandButtonBox.Bottom - borderPadding);
SVGLine(foregroundPen, p1, p2);
}
}
}
public void Render(DiagramItem drawingItem, Rectangle? clipRectangle)
{
//System.Diagnostics.Trace.WriteLine("DiagramElement.Paint\n\tName: " + drawingItem.Name);
Color backgroundColor = Color.White;
if(drawingItem.IsSelected)
backgroundColor = Color.FromArgb(0xA6, 0xCA, 0xF0);
Brush background = new SolidBrush(backgroundColor);
Brush backgroundExpandBox = new SolidBrush(Color.White);
SolidBrush foreground = new SolidBrush(Color.Black);
if (drawingItem.IsDisabled)
{
background = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Gray, backgroundColor);
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 && drawingItem.ChildElements.Count > 0)
{
Pen foregroundInheritPen = new Pen(foreground);
foregroundInheritPen.StartCap = LineCap.Round;
foregroundInheritPen.EndCap = LineCap.Round;
bool showDocumentation = (drawingItem.Diagram.ShowDocumentation); // && !drawingItem.DocumentationBox.IsEmpty);
if (drawingItem.ChildElements.Count == 1 && !showDocumentation)
{
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 || showDocumentation)
{
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.FontScaled, foreground, new RectangleF(scaledElementBox.X, scaledElementBox.Y, scaledElementBox.Width, scaledElementBox.Height), stringFormatText);
}
// Draw Documentation
if (drawingItem.Diagram.ShowDocumentation && !drawingItem.DocumentationBox.IsEmpty)
{
string text = drawingItem.GetTextDocumentation();
if (text != null)
{
StringFormat stringFormatText = new StringFormat();
stringFormatText.Alignment = StringAlignment.Near;
stringFormatText.LineAlignment = StringAlignment.Near;
stringFormatText.Trimming = StringTrimming.EllipsisCharacter;
stringFormatText.FormatFlags |= StringFormatFlags.NoClip; //MONOFIX
Rectangle scaledDocumentationBox = drawingItem.ScaleRectangle(drawingItem.DocumentationBox);
if (drawingItem.Diagram.ShowBoundingBox)
{
int color = 255 - drawingItem.Depth * 8;
_graphics.FillRectangle(new SolidBrush(Color.FromArgb(color, 255 - color, color)), scaledDocumentationBox);
_graphics.DrawRectangle(foregroundPen, scaledDocumentationBox);
}
_graphics.DrawString(text, drawingItem.DocumentationFontScaled, foreground
, new RectangleF(scaledDocumentationBox.X, scaledDocumentationBox.Y, scaledDocumentationBox.Width, scaledDocumentationBox.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.SmallFontScaled, 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);
if (drawingItem.ItemType == DiagramItemType.group)
{
int bevel = (int)(scaledElementBox.Height * 0.30);
int groupCornerOffset = (int)((double)bevel * 0.424264068713); // 0.6/sqr(2)
basePoint.X += groupCornerOffset;
basePoint.Y -= groupCornerOffset;
targetPoint.X += groupCornerOffset;
targetPoint.Y -= groupCornerOffset;
}
_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(backgroundExpandBox, 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);
}
}
}
public void Render(DiagramItem drawingItem, Rectangle?clipRectangle)
{
//System.Diagnostics.Trace.WriteLine("DiagramElement.Paint\n\tName: " + drawingItem.Name);
Color backgroundColor = Color.White;
if (drawingItem.IsSelected)
{
backgroundColor = Color.FromArgb(0xA6, 0xCA, 0xF0);
}
Brush background = new SolidBrush(backgroundColor);
Brush backgroundExpandBox = new SolidBrush(Color.White);
SolidBrush foreground = new SolidBrush(Color.Black);
if (drawingItem.IsDisabled)
{
background = new HatchBrush(HatchStyle.BackwardDiagonal, Color.Gray, backgroundColor);
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 && drawingItem.ChildElements.Count > 0)
{
Pen foregroundInheritPen = new Pen(foreground);
foregroundInheritPen.StartCap = LineCap.Round;
foregroundInheritPen.EndCap = LineCap.Round;
bool showDocumentation = (drawingItem.Diagram.ShowDocumentation); // && !drawingItem.DocumentationBox.IsEmpty);
if (drawingItem.ChildElements.Count == 1 && !showDocumentation)
{
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 || showDocumentation)
{
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.Diagram.ShowType && !string.IsNullOrEmpty(drawingItem.Type) ? drawingItem.Name + ":" + drawingItem.Type : drawingItem.Name, drawingItem.FontScaled, foreground, new RectangleF(scaledElementBox.X, scaledElementBox.Y, scaledElementBox.Width, scaledElementBox.Height), stringFormatText);
}
// Draw Documentation
if (drawingItem.Diagram.ShowDocumentation && !drawingItem.DocumentationBox.IsEmpty)
{
string text = drawingItem.GetTextDocumentation();
if (text != null)
{
StringFormat stringFormatText = new StringFormat();
stringFormatText.Alignment = StringAlignment.Near;
stringFormatText.LineAlignment = StringAlignment.Near;
stringFormatText.Trimming = StringTrimming.EllipsisCharacter;
stringFormatText.FormatFlags |= StringFormatFlags.NoClip; //MONOFIX
Rectangle scaledDocumentationBox = drawingItem.ScaleRectangle(drawingItem.DocumentationBox);
if (drawingItem.Diagram.ShowBoundingBox)
{
int color = 255 - drawingItem.Depth * 8;
_graphics.FillRectangle(new SolidBrush(Color.FromArgb(color, 255 - color, color)), scaledDocumentationBox);
_graphics.DrawRectangle(foregroundPen, scaledDocumentationBox);
}
_graphics.DrawString(text, drawingItem.DocumentationFontScaled, foreground
, new RectangleF(scaledDocumentationBox.X, scaledDocumentationBox.Y, scaledDocumentationBox.Width, scaledDocumentationBox.Height)
, stringFormatText);
}
}
// Draw occurences small text
if (drawingItem.Diagram.AlwaysShowOccurence || (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();
bool compactLayoutDensity = drawingItem.Diagram.CompactLayoutDensity;
pointOccurences.X = drawingItem.Diagram.Scale * (drawingItem.Location.X + drawingItem.Size.Width + (compactLayoutDensity ? +23 : -10));
pointOccurences.Y = drawingItem.Diagram.Scale * (drawingItem.Location.Y + drawingItem.Size.Height + (compactLayoutDensity ? -17 : +10));
_graphics.DrawString(occurences, drawingItem.SmallFontScaled, 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);
if (drawingItem.ItemType == DiagramItemType.group)
{
int bevel = (int)(scaledElementBox.Height * 0.30);
int groupCornerOffset = (int)((double)bevel * 0.424264068713); // 0.6/sqr(2)
basePoint.X += groupCornerOffset;
basePoint.Y -= groupCornerOffset;
targetPoint.X += groupCornerOffset;
targetPoint.Y -= groupCornerOffset;
}
_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(backgroundExpandBox, 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);
}
}
}
public override void Render(DiagramItem drawingItem)
{
bool showDocumentation = drawingItem.Diagram.ShowDocumentation && !drawingItem.DocumentationBox.IsEmpty && _graphics != null;
//if (drawingItem.diagram.ShowBoundingBox)
//{
// int color = 255 - depth * 8;
// g.FillRectangle(new SolidBrush(Color.FromArgb(color, color, color)), drawingItem.ScaleRectangle(drawingItem.boundingBox));
// g.DrawRectangle(foregroundPen, drawingItem.ScaleRectangle(drawingItem.boundingBox));
//}
// Draw the children
if (drawingItem.ShowChildElements)
{
foreach (DiagramItem element in drawingItem.ChildElements)
{
this.Render(element);
_writer.WriteLine();
}
}
string backgroundBrush = "fill:rgb(255,255,255)";
string foregroundColor = "rgb(0,0,0)";
string foregroundBrush = "fill:" + foregroundColor;
string foregroundPen = "stroke:" + foregroundColor + ";stroke-width:1";
string foregroundRoundPen = foregroundPen + ";stroke-linecap:round";
string dashed = "stroke-dasharray:4,1";
Rectangle scaledElementBox = drawingItem.ScaleRectangle(drawingItem.ElementBox);
// Draw the children lines
if (drawingItem.ShowChildElements && drawingItem.ChildElements.Count > 0)
{
if (drawingItem.ChildElements.Count == 1 && !showDocumentation)
{
int parentMidleY = drawingItem.ScaleInt(drawingItem.Location.Y + drawingItem.Size.Height / 2);
this.SVGLine(foregroundRoundPen,
drawingItem.ScaleInt(drawingItem.Location.X + drawingItem.Size.Width),
parentMidleY, drawingItem.ScaleInt(drawingItem.ChildElements[0].Location.X), parentMidleY);
}
else if (drawingItem.ChildElements.Count > 1 || showDocumentation)
{
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);
SVGLine(foregroundRoundPen, 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);
this.SVGLine(foregroundRoundPen, verticalLine, firstMidleY, verticalLine, lastMidleY);
this.SVGLine(foregroundRoundPen,
drawingItem.ScaleInt(drawingItem.Location.X + drawingItem.Size.Width),
parentMidleY, verticalLine, parentMidleY);
}
}
// Draw the inheritor line
if (drawingItem.InheritFrom != null)
{
string foregroundInheritPen = foregroundPen + ";" + dashed;
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));
this.SVGLine(foregroundInheritPen, p1, p2);
this.SVGLine(foregroundInheritPen, p2,
new Point(drawingItem.ScaleInt(drawingItem.Location.X), drawingItem.ScaleInt(drawingItem.Location.Y)));
Point targetPoint = new Point(drawingItem.ScaleInt(drawingItem.InheritFrom.Location.X - 3),
drawingItem.ScaleInt(drawingItem.InheritFrom.Location.Y + drawingItem.InheritFrom.Size.Height + 3));
SVGLine(foregroundInheritPen, targetPoint, p1);
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;
string path = SVGPolygonToDrawCommand(pathPoint);
SVGPath(backgroundBrush + ";" + foregroundPen, path);
}
switch (drawingItem.ItemType)
{
case DiagramItemType.element:
{
// Draw the main shape following the min/max occurences
string foregroundBoxPen = foregroundPen;
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen += ";" + dashed;
}
if (drawingItem.MaxOccurrence == 1)
{
SVGRectangle(backgroundBrush + ";" + foregroundBoxPen, scaledElementBox);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
this.SVGRectangle(backgroundBrush + ";" + foregroundBoxPen, elementBoxShifted);
this.SVGRectangle(backgroundBrush + ";" + 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;
string path = SVGPolygonToDrawCommand(pathPoint);
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;
string pathShifted = SVGPolygonToDrawCommand(pathPointShifted);
string foregroundBoxPen = foregroundPen;
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen += ";" + dashed;
}
if (drawingItem.MaxOccurrence == 1)
{
SVGPath(backgroundBrush + ";" + foregroundBoxPen, path);
}
else
{
Rectangle elementBoxShifted = scaledElementBox;
elementBoxShifted.Offset(drawingItem.ScalePoint(new Point(3, 3)));
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, pathShifted);
this.SVGPath(backgroundBrush + ";" + 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;
string path = SVGPolygonToDrawCommand(pathPoint);
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;
string pathShifted = this.SVGPolygonToDrawCommand(pathPointShifted);
string foregroundBoxPen = foregroundPen;
if (drawingItem.MinOccurrence == 0)
{
foregroundBoxPen += ";" + dashed;
}
if (drawingItem.MaxOccurrence == 1)
{
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, path);
}
else
{
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, pathShifted);
this.SVGPath(backgroundBrush + ";" + foregroundBoxPen, path);
}
// Draw the group type
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);
SVGLine(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);
SVGEllipse(foregroundColor, new Rectangle(drawingItem.ScalePoint(point1), pointSize));
SVGEllipse(foregroundColor, new Rectangle(drawingItem.ScalePoint(point2), pointSize));
SVGEllipse(foregroundColor, 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);
//SVGDrawLine(result, foregroundBallPen, drawingItem.ScalePoint(point0), drawingItem.ScalePoint(point1));
//SVGDrawLine(result, foregroundBallPen, drawingItem.ScalePoint(point1), drawingItem.ScalePoint(point2));
//SVGDrawLine(result, foregroundBallPen, drawingItem.ScalePoint(point2), drawingItem.ScalePoint(point3));
//foregroundBallPen.EndCap = LineCap.Flat;
//SVGDrawLine(result, 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);
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft0, yMiddle)),
drawingItem.ScalePoint(new Point(xLeft1, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft1, yMiddle)),
drawingItem.ScalePoint(new Point(xLeft2, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yMiddle)),
drawingItem.ScalePoint(new Point(xRight2, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yDown)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight1, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point1), pointSize));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point2), pointSize));
SVGEllipse(foregroundColor,
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);
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft2, yUp)),
drawingItem.ScalePoint(new Point(xLeft1, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft2, yMiddle)),
drawingItem.ScalePoint(new Point(xLeft0, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft2, yDown)),
drawingItem.ScalePoint(new Point(xLeft1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xLeft1, yUp)),
drawingItem.ScalePoint(new Point(xLeft1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yUp)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yMiddle)),
drawingItem.ScalePoint(new Point(xRight2, yMiddle)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight0, yDown)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGLine(foregroundPen,
drawingItem.ScalePoint(new Point(xRight1, yUp)),
drawingItem.ScalePoint(new Point(xRight1, yDown)));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point1), pointSize));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point2), pointSize));
SVGEllipse(foregroundColor,
new Rectangle(drawingItem.ScalePoint(point3), pointSize));
}
break;
}
break;
}
}
float fontScale = 0.8f;
// Draw text
if (drawingItem.Name.Length > 0)
{
string style = String.Format(
"font-family:{0};font-size:{1}pt;fill:{2};font-weight:bold;text-anchor:middle;dominant-baseline:central",
drawingItem.Font.Name, drawingItem.Font.Size * fontScale, foregroundColor);
SVGText(drawingItem.Name, style,
new Rectangle(scaledElementBox.X, scaledElementBox.Y, scaledElementBox.Width, scaledElementBox.Height));
}
// Draw Documentation
if (showDocumentation)
{
string text = drawingItem.GetTextDocumentation();
if (text != null)
{
Rectangle scaledDocumentationBox = drawingItem.ScaleRectangle(drawingItem.DocumentationBox);
List<string> lines = WrapText(_graphics, drawingItem.DocumentationFont, text, scaledDocumentationBox.Width * fontScale * 0.6f);
//stringFormatText.Trimming = StringTrimming.EllipsisCharacter;
string style = String.Format(
"font-family:{0};font-size:{1}pt;fill:{2};font-weight:normal;text-anchor:start;dominant-baseline:central;inline-size={3}",
drawingItem.DocumentationFont.Name, drawingItem.DocumentationFont.Size * fontScale * 0.9, foregroundColor, scaledDocumentationBox.Width);
float fontSizeAdjustement = drawingItem.DocumentationFont.Size * fontScale * 1.4f;
SVGText(lines, style,
new Point(scaledDocumentationBox.X, scaledDocumentationBox.Y), fontSizeAdjustement,
new Size(scaledDocumentationBox.Width, scaledDocumentationBox.Height));
}
}
// Draw occurences small text
if (drawingItem.MaxOccurrence > 1 || drawingItem.MaxOccurrence == -1)
{
string occurences = String.Format("{0}..", drawingItem.MinOccurrence) +
(drawingItem.MaxOccurrence == -1 ? "∞" : 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);
string style = String.Format(
"font-family:{0};font-size:{1}pt;fill:{2};text-anchor:end;dominant-baseline:central",
drawingItem.SmallFont.Name, drawingItem.SmallFont.Size * fontScale, foregroundColor);
SVGText(occurences, style, new Point((int)pointOccurences.X, (int)pointOccurences.Y));
}
// Draw type
if (drawingItem.IsSimpleContent)
{
Point currentPoint = scaledElementBox.Location + new Size(2, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(8), 0));
currentPoint += new Size(0, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
currentPoint += new Size(0, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
currentPoint += new Size(0, 2);
SVGLine(foregroundPen, currentPoint, currentPoint + new Size(drawingItem.ScaleInt(6), 0));
}
// Draw reference arrow
if (drawingItem.IsReference)
{
string arrowPen = String.Format("stroke:{0};stroke-width:{1}",
foregroundColor, drawingItem.Diagram.Scale * 2.0f);
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);
if (drawingItem.ItemType == DiagramItemType.group)
{
int bevel = (int)(scaledElementBox.Height * 0.30);
int groupCornerOffset = (int)((double)bevel * 0.424264068713); // 0.6/sqr(2)
basePoint.X += groupCornerOffset;
basePoint.Y -= groupCornerOffset;
targetPoint.X += groupCornerOffset;
targetPoint.Y -= groupCornerOffset;
}
SVGLine(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;
string path = SVGPolygonToDrawCommand(pathPoint);
SVGPath(foregroundBrush, path);
}
// Draw children expand box
if (drawingItem.HasChildElements)
{
Rectangle scaledChildExpandButtonBox = drawingItem.ScaleRectangle(drawingItem.ChildExpandButtonBox);
SVGRectangle(backgroundBrush + ";" + 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);
SVGLine(foregroundPen, p1, p2);
if (!drawingItem.ShowChildElements)
{
p1 = scaledChildExpandButtonBox.Location + new Size(middle.X, borderPadding);
p2 = new Point(p1.X, scaledChildExpandButtonBox.Bottom - borderPadding);
SVGLine(foregroundPen, p1, p2);
}
}
}