internal static DNode CreateDNodeAndSetNodeBoundaryCurve(Graph drawingGraph, DGraph dGraph, GeometryNode geomNode,
DrawingNode drawingNode, GViewer viewer){
double width = 0;
double height = 0;
var dNode = new DNode(drawingNode, viewer);
dGraph.AddNode(dNode);
Drawing.Label label = drawingNode.Label;
if (label != null){
CreateDLabel(dNode, label, out width, out height, viewer);
width += 2*dNode.DrawingNode.Attr.LabelMargin;
height += 2*dNode.DrawingNode.Attr.LabelMargin;
}
if (width < drawingGraph.Attr.MinNodeWidth)
width = drawingGraph.Attr.MinNodeWidth;
if (height < drawingGraph.Attr.MinNodeHeight)
height = drawingGraph.Attr.MinNodeHeight;
// Filippo Polo: I'm taking this out because I've modified the drawing of a double circle
// so that it can be used with ellipses too.
//if (drawingNode.Attr.Shape == Shape.DoubleCircle)
//width = height = Math.Max(width, height) * Draw.DoubleCircleOffsetRatio;
ICurve curve;
if (drawingNode.NodeBoundaryDelegate != null &&
(curve = drawingNode.NodeBoundaryDelegate(drawingNode)) != null)
geomNode.BoundaryCurve = curve;
else if (geomNode.BoundaryCurve == null)
geomNode.BoundaryCurve =
NodeBoundaryCurves.GetNodeBoundaryCurve(dNode.DrawingNode, width, height);
return dNode;
}
internal static DNode CreateDNodeAndSetNodeBoundaryCurveForSubgraph(Graph drawingGraph, DGraph dGraph, GeometryNode geomNode,
DrawingNode drawingNode, GViewer viewer)
{
double width = 0;
double height = 0;
var dNode = new DNode(drawingNode, viewer);
dGraph.AddNode(dNode);
Drawing.Label label = drawingNode.Label;
if (label != null)
{
CreateDLabel(dNode, label, out width, out height, viewer);
}
if (width < drawingGraph.Attr.MinNodeWidth)
{
width = drawingGraph.Attr.MinNodeWidth;
}
if (height < drawingGraph.Attr.MinNodeHeight)
{
height = drawingGraph.Attr.MinNodeHeight;
}
var cluster = (Cluster)geomNode;
var margin = dNode.DrawingNode.Attr.LabelMargin;
if (label != null)
{
CreateDLabel(dNode, label, out width, out height, viewer);
width += 2 * dNode.DrawingNode.Attr.LabelMargin + 2 * drawingNode.Attr.LineWidth;
height += 2 * dNode.DrawingNode.Attr.LabelMargin + 2 * drawingNode.Attr.LineWidth;
}
cluster.RectangularBoundary = new RectangularClusterBoundary()
{
BottomMargin = margin,
LeftMargin = margin,
RightMargin = margin,
TopMargin = height,
MinWidth = width
};
// Filippo Polo: I'm taking this out because I've modified the drawing of a double circle
// so that it can be used with ellipses too.
//if (drawingNode.Attr.Shape == Shape.DoubleCircle)
//width = height = Math.Max(width, height) * Draw.DoubleCircleOffsetRatio;
ICurve curve;
if (drawingNode.NodeBoundaryDelegate != null &&
(curve = drawingNode.NodeBoundaryDelegate(drawingNode)) != null)
{
geomNode.BoundaryCurve = curve;
}
else if (geomNode.BoundaryCurve == null)
{
geomNode.BoundaryCurve =
NodeBoundaryCurves.GetNodeBoundaryCurve(dNode.DrawingNode, width, height);
}
return(dNode);
}
/// <summary>
/// creates DGraph from a precalculated drawing graph
/// </summary>
/// <param name="drawingGraph"></param>
/// <param name="viewer">the owning viewer</param>
/// <returns></returns>
internal static DGraph CreateDGraphFromPrecalculatedDrawingGraph(Graph drawingGraph, GViewer viewer){
var dGraph = new DGraph(drawingGraph, viewer);
//create dnodes and node boundary curves
if (drawingGraph.RootSubgraph != null)
foreach (DrawingNode drawingNode in drawingGraph.RootSubgraph.AllSubgraphsWidthFirstExcludingSelf())
{
var dNode = new DNode(drawingNode, viewer);
if (drawingNode.Label != null)
dNode.Label = new DLabel(dNode, drawingNode.Label, viewer);
dGraph.AddNode(dNode);
}
foreach (DrawingNode drawingNode in drawingGraph.Nodes){
var dNode = new DNode(drawingNode, viewer);
if (drawingNode.Label != null)
dNode.Label = new DLabel(dNode, drawingNode.Label, viewer);
dGraph.AddNode(dNode);
}
foreach (DrawingEdge drawingEdge in drawingGraph.Edges)
dGraph.AddEdge(new DEdge(dGraph.GetNode(drawingEdge.SourceNode), dGraph.GetNode(drawingEdge.TargetNode),
drawingEdge, ConnectionToGraph.Connected, viewer));
return dGraph;
}
internal static DGraph CreateDGraphAndGeometryInfo(Graph drawingGraph, GeometryGraph geometryGraph,
GViewer viewer) {
var dGraph = new DGraph(drawingGraph, viewer);
//create dnodes and glee node boundary curves
var nodeMapping = new Dictionary<GeometryNode, DNode>();
if (geometryGraph.RootCluster != null)
foreach (var geomCluster in geometryGraph.RootCluster.AllClustersDepthFirstExcludingSelf()) {
var drawingNode = (Drawing.Node) geomCluster.UserData;
DNode dNode = CreateDNodeAndSetNodeBoundaryCurveForSubgraph(drawingGraph, dGraph, geomCluster,
drawingNode, viewer);
nodeMapping[geomCluster] = dNode;
}
foreach (GeometryNode geomNode in geometryGraph.Nodes) {
var drawingNode = (Drawing.Node) geomNode.UserData;
DNode dNode = CreateDNodeAndSetNodeBoundaryCurve(drawingGraph, dGraph, geomNode, drawingNode, viewer);
nodeMapping[geomNode] = dNode;
}
foreach (GeometryEdge gleeEdge in geometryGraph.Edges) {
var dEdge = new DEdge(nodeMapping[gleeEdge.Source], nodeMapping[gleeEdge.Target],
gleeEdge.UserData as DrawingEdge, ConnectionToGraph.Connected, viewer);
dGraph.AddEdge(dEdge);
DrawingEdge drawingEdge = dEdge.Edge;
Drawing.Label label = drawingEdge.Label;
if (label != null) {
double width, height;
CreateDLabel(dEdge, label, out width, out height, viewer);
}
}
return dGraph;
}
internal static bool DrawDebugStuff(Graphics g, DGraph graphToDraw, Pen myPen)
{
bool debugDrawing = false;
if (graphToDraw.DrawingGraph.debugPolylines != null)
{
foreach (Polyline p in graphToDraw.DrawingGraph.debugPolylines)
{
SetColor(graphToDraw, myPen, p);
if (p.Closed)
{
g.FillPolygon(new SolidBrush(myPen.Color), GetPolylinePoints(p));
}
else
{
g.DrawLines(myPen, GetPolylinePoints(p));
}
}
}
if (graphToDraw.DrawingGraph.DebugLines != null)
{
debugDrawing = true;
foreach (LineSegment bs in graphToDraw.DrawingGraph.DebugLines)
{
SetColor(graphToDraw, myPen, bs);
g.DrawLine(myPen, (float)bs.Start.X, (float)bs.Start.Y, (float)bs.End.X, (float)bs.End.Y);
}
}
if (graphToDraw.DrawingGraph.DebugBezierCurves != null)
{
debugDrawing = true;
foreach (CubicBezierSegment bs in graphToDraw.DrawingGraph.DebugBezierCurves)
{
SetColor(graphToDraw, myPen, bs);
g.DrawBezier(myPen, (float)bs.B(0).X, (float)bs.B(0).Y,
(float)bs.B(1).X, (float)bs.B(1).Y,
(float)bs.B(2).X, (float)bs.B(2).Y,
(float)bs.B(3).X, (float)bs.B(3).Y);
if (graphToDraw.DrawingGraph.ShowControlPoints)
{
DrawControlPoints(g, bs);
}
}
}
if (graphToDraw.DrawingGraph.DebugEllipses != null)
{
debugDrawing = true;
foreach (Ellipse el in graphToDraw.DrawingGraph.DebugEllipses)
{
SetColor(graphToDraw, myPen, el);
g.DrawEllipse(myPen, (float)(el.Center.X - el.AxisA.X), (float)(el.Center.Y - el.AxisB.Y), (float)(el.AxisA.X * 2), Math.Abs((float)el.AxisB.Y * 2));
}
}
myPen.Color = System.Drawing.Color.Red;
if (graphToDraw.DrawingGraph.DebugBoxes != null)
{
debugDrawing = true;
foreach (Parallelogram pb in graphToDraw.DrawingGraph.DebugBoxes)
{
SetColor(graphToDraw, myPen, pb);
PointF[] ps = new PointF[4];
for (int i = 0; i < 4; i++)
{
ps[i] = new PointF((float)pb.Vertex((VertexId)i).X, (float)pb.Vertex((VertexId)i).Y);
}
g.DrawPolygon(myPen, ps);
}
}
return(debugDrawing);
}
internal static DNode CreateDNodeAndSetNodeBoundaryCurve(DrawingGraph drawingGraph, DGraph dGraph, GeometryNode geomNode, DrawingNode drawingNode)
{
double width = 0;
double height = 0;
DNode dNode = new DNode(drawingNode);
dGraph.AddNode(dNode);
Microsoft.Msagl.Drawing.Label label = drawingNode.Label;
if (label != null)
{
CreateDLabel(dNode, label, out width, out height);
width += 2 * dNode.DrawingNode.Attr.LabelMargin;
height += 2 * dNode.DrawingNode.Attr.LabelMargin;
}
if (width < drawingGraph.Attr.MinNodeWidth)
{
width = drawingGraph.Attr.MinNodeWidth;
}
if (height < drawingGraph.Attr.MinNodeHeight)
{
height = drawingGraph.Attr.MinNodeHeight;
}
// Filippo Polo: I'm taking this out because I've modified the drawing of a double circle
// so that it can be used with ellipses too.
//if (drawingNode.Attr.Shape == Shape.DoubleCircle)
//width = height = Math.Max(width, height) * Draw.DoubleCircleOffsetRatio;
if (geomNode.BoundaryCurve == null)
{
geomNode.BoundaryCurve = Microsoft.Msagl.Drawing.NodeBoundaryCurves.GetNodeBoundaryCurve(dNode.DrawingNode, width, height);
}
return(dNode);
}
static void SetColor(DGraph graphToDraw, Pen myPen, object bs){
// Microsoft.Msagl.Drawing.Color color;
if(bs is CubicBezierSegment)
myPen.Color = Color.Green;
else if(bs is Polyline)
myPen.Color = Color.Brown;
else
myPen.Color = Color.Blue;
}
internal static void DrawDebugStuff(Graphics g, DGraph graphToDraw, Pen myPen){
if(graphToDraw.DrawingGraph.DebugICurves != null){
foreach (ICurve c in graphToDraw.DrawingGraph.DebugICurves){
DrawDebugICurve(graphToDraw, c, myPen, g);
}
}
if(graphToDraw.DrawingGraph.DebugCurves != null){
foreach (DebugCurve shape in graphToDraw.DrawingGraph.DebugCurves)
DrawDebugCurve(graphToDraw, shape, g);
}
}
static void DrawBezier(DGraph graphToDraw, Pen myPen, Graphics g, CubicBezierSegment bs){
g.DrawBezier(myPen, (float) bs.B(0).X, (float) bs.B(0).Y,
(float) bs.B(1).X, (float) bs.B(1).Y,
(float) bs.B(2).X, (float) bs.B(2).Y,
(float) bs.B(3).X, (float) bs.B(3).Y);
if(graphToDraw.DrawingGraph.ShowControlPoints)
DrawControlPoints(g, bs);
}
static void DrawDebugICurve(DGraph graphToDraw, ICurve c, Pen myPen, Graphics g) {
var p = c as Polyline;
if (p != null) {
SetColor(graphToDraw, myPen, p);
DrawPolyline(p, myPen, g);
}
else {
var lineSeg = c as LineSegment;
if (lineSeg != null) {
SetColor(graphToDraw, myPen, lineSeg);
DrawLine(myPen, g, lineSeg);
}
else {
var bs = c as CubicBezierSegment;
if (bs != null) {
SetColor(graphToDraw, myPen, bs);
DrawBezier(graphToDraw, myPen, g, bs);
}
else {
var el = c as Ellipse;
if (el != null) {
SetColor(graphToDraw, myPen, el);
DrawArc(myPen, g, el);
}
else {
var curve = c as Curve;
if (curve != null)
foreach (ICurve ss in curve.Segments)
DrawDebugICurve(graphToDraw, ss, myPen, g);
else {
var rect = c as RoundedRect;
if (rect != null) {
foreach (ICurve ss in rect.Curve.Segments)
DrawDebugICurve(graphToDraw, ss, myPen, g);
}
}
}
}
}
}
}
static void DrawSimpleSeg(ICurve c, Graphics g, Pen myPen, DGraph graphToDraw) {
var lineSeg = c as LineSegment;
if (lineSeg != null) {
g.DrawLine(myPen, (float) lineSeg.Start.X, (float) lineSeg.Start.Y, (float) lineSeg.End.X,
(float) lineSeg.End.Y);
}
else {
var bs = c as CubicBezierSegment;
if (bs != null) {
g.DrawBezier(myPen, (float) bs.B(0).X, (float) bs.B(0).Y,
(float) bs.B(1).X, (float) bs.B(1).Y,
(float) bs.B(2).X, (float) bs.B(2).Y,
(float) bs.B(3).X, (float) bs.B(3).Y);
if (graphToDraw.DrawingGraph.ShowControlPoints)
DrawControlPoints(g, bs);
}
else {
var el = c as Ellipse;
if (el != null) {
DrawArc(myPen, g, el);
}
else {
throw new InvalidOperationException();
}
}
}
}
static void DrawDebugCurve(DGraph graphToDraw, ICurve c, Pen myPen, SolidBrush solidBrush, Graphics g, object id){
var p = c as Polyline;
if (p != null)
{
if (solidBrush.Color!=Color.Transparent)
g.FillPolygon(solidBrush, GetPolylinePoints(p));
if (p.Closed) {
g.DrawPolygon(myPen, GetPolylinePoints(p));
}
else
g.DrawLines(myPen, GetPolylinePoints(p));
}
else {
if (SimpleSeg(c)) {
DrawSimpleSeg(c, g, myPen, graphToDraw);
}
else {
var curve = c as Curve;
if (curve != null)
foreach (ICurve ss in curve.Segments) {
DrawSimpleSeg(ss, g, myPen, graphToDraw);
}
else {
var rect = c as RoundedRect;
if (rect != null) {
foreach (ICurve ss in rect.Curve.Segments)
DrawSimpleSeg(ss, g, myPen, graphToDraw);
}}
}
}
if(id!=null && c!=null)
{
var s = id.ToString();
var brush = new SolidBrush(myPen.Color);
var point = c.Start;
var rect = new RectangleF((float)c.Start.X, (float)c.Start.Y, (float)c.BoundingBox.Width, (float)c.BoundingBox.Height);
DrawStringInRectCenter(g, brush, new Font(FontFamily.GenericSerif, 10),s, rect );
}
}
static void DrawDebugCurve(DGraph graph, DebugCurve debugCurve, Graphics graphics) {
using (var pen = new Pen(GetColorFromString(debugCurve), (float) debugCurve.Width))
using (var brush=new SolidBrush(GetFillColorFromString(debugCurve))){
if (debugCurve.DashArray != null) {
pen.DashStyle = DashStyle.Dash;
pen.DashPattern = CreateDashArray(debugCurve.DashArray);
pen.DashOffset = pen.DashPattern[0];
}
DrawDebugCurve(graph, debugCurve.Curve, pen, brush, graphics, debugCurve.Label);
}
}