static BBNode BuildBBHierarchyUnderDObject(DObject dObject)
{
DNode dNode = dObject as DNode;
if (dNode != null)
{
return(BuildBBHierarchyUnderDNode(dNode));
}
DEdge dedge = dObject as DEdge;
if (dedge != null)
{
return(BuildBBHierarchyUnderDEdge(dedge));
}
DLabel dLabel = dObject as DLabel;
if (dLabel != null)
{
return(BuildBBHierarchyUnderDLabel(dLabel));
}
DGraph dGraph = dObject as DGraph;
if (dGraph != null)
{
dGraph.BbNode.bBox = dGraph.DrawingGraph.BoundingBox;
return(dGraph.BbNode);
}
throw new InvalidOperationException();
}
internal Line(DObject tag, P2 start, P2 end, double lw)
: base(tag) {
lineWidth = lw;
P2 dir = end - start;
if (lineWidth < 0)
lineWidth = 1;
double len = dir.Length;
if (len > ApproximateComparer.IntersectionEpsilon) {
dir /= (len / (lineWidth / 2));
dir = dir.Rotate(Math.PI / 2);
} else {
dir.X = 0;
dir.Y = 0;
}
this.bBox = new BBox(start + dir);
this.bBox.Add(start - dir);
this.bBox.Add(end + dir);
this.bBox.Add(end - dir);
this.start = start;
this.end = end;
if (this.bBox.LeftTop.X == this.bBox.RightBottom.X) {
bBox.LeftTop = bBox.LeftTop + new P2(-0.05f, 0);
bBox.RightBottom = bBox.RightBottom + new P2(0.05f, 0);
}
if (this.bBox.LeftTop.Y == this.bBox.RightBottom.Y) {
bBox.LeftTop = bBox.LeftTop + new P2(0, -0.05f);
bBox.RightBottom = bBox.RightBottom + new P2(0, 0.05f);
}
}
/// <summary>
/// constructor
/// </summary>
/// <param name="parentPar"></param>
/// <param name="label"></param>
public DLabel(DObject parentPar, Microsoft.Msagl.Drawing.Label label)
{
this.parent = parentPar;
this.DrawingLabel = label;
((IHavingDLabel)parent).Label = this;
Font = new Font(DrawingLabel.FontName, DrawingLabel.FontSize);
}
static void InvalidateBBNodesAbove(DObject dObj)
{
for (BBNode node = dObj.BbNode; node != null; node = node.parent)
{
node.bBox.Width = -1; //this will make the box empty
}
}
/// <summary>
/// constructor
/// </summary>
/// <param name="parentPar"></param>
/// <param name="label"></param>
/// <param name="viewer">the viewer containing the label</param>
public DLabel(DObject parentPar, Label label, GViewer viewer) : base(viewer)
{
parent = parentPar;
DrawingLabel = label;
((IHavingDLabel)parent).Label = this;
Font = new Font(DrawingLabel.FontName, (int)DrawingLabel.FontSize);
}
internal static void AddStyleForPen(DObject dObj, Pen myPen, Style style)
{
if (style == Style.Dashed)
{
myPen.DashStyle = DashStyle.Dash;
if (dObj.DashPatternArray == null)
{
float f = dObj.DashSize();
dObj.DashPatternArray = new float[] { f, f };
}
myPen.DashPattern = dObj.DashPatternArray;
myPen.DashOffset = dObj.DashPatternArray[0];
}
else if (style == Style.Dotted)
{
myPen.DashStyle = DashStyle.Dash;
if (dObj.DashPatternArray == null)
{
float f = dObj.DashSize();
dObj.DashPatternArray = new float[] { 1, f };
}
myPen.DashPattern = dObj.DashPatternArray;
}
}
internal static void CreateDLabel(DObject parent, Microsoft.Msagl.Drawing.Label label, out double width, out double height)
{
DLabel dLabel = new DLabel(parent, label);
dLabel.Font = new Font(label.FontName, label.FontSize);
StringMeasure.MeasureWithFont(label.Text, dLabel.Font, out width, out height);
label.Width = width;
label.Height = height;
}
internal void SetSelectedObject(object o)
{
selectedDObject = (DObject)o;
MousePositonWhenSetSelectedObject = MousePosition;
if (SelectionChanged != null)
{
SelectionChanged(this, null);
}
}
static void RebuildBBHierarchyUnderObject(DObject dObj)
{
BBNode oldNode = dObj.BbNode;
BBNode newNode = BuildBBHierarchyUnderDObject(dObj);
//now copy all fields, except the parent
oldNode.l = newNode.l;
oldNode.r = newNode.r;
oldNode.geometry = newNode.geometry;
oldNode.bBox = newNode.bBox;
}
internal Geometry(DObject dObject) {
this.dObject = dObject;
DNode dNode = dObject as DNode;
if (dNode != null)
bBox = dNode.DrawingNode.BoundingBox;
else {
DLabel dLabel = dObject as DLabel;
if (dLabel != null)
bBox = dLabel.DrawingLabel.BoundingBox;
}
}
static void RebuildBBHierarchyUnderObject(DObject dObj)
{
BBNode oldNode = dObj.BbNode;
BBNode newNode = BuildBBHierarchyUnderDObject(dObj);
if (newNode != null)
{
//now copy all fields, except the parent
oldNode.left = newNode.left;
oldNode.right = newNode.right;
oldNode.geometry = newNode.geometry;
oldNode.bBox = newNode.bBox;
}
else
{
oldNode.bBox = Rectangle.CreateAnEmptyBox();
}
}
internal Geometry(DObject dObject)
{
this.dObject = dObject;
DNode dNode = dObject as DNode;
if (dNode != null)
{
bBox = dNode.DrawingNode.BoundingBox;
}
else
{
DLabel dLabel = dObject as DLabel;
if (dLabel != null)
{
bBox = dLabel.DrawingLabel.BoundingBox;
}
}
}
internal Geometry(DObject tag)
{
this.tag = tag;
DNode dNode = tag as DNode;
if (dNode != null)
{
bBox = dNode.DrawingNode.BoundingBox;
}
else
{
DLabel dLabel = tag as DLabel;
if (dLabel != null)
{
bBox = dLabel.DrawingLabel.BoundingBox;
}
}
}
internal static void CreateDLabel(DObject parent, Drawing.Label label, out double width, out double height,
GViewer viewer)
{
var dLabel = new DLabel(parent, label, viewer)
{
Font = new Font(label.FontName, (int)label.FontSize, (System.Drawing.FontStyle)(int) label.FontStyle)
};
StringMeasure.MeasureWithFont(label.Text, dLabel.Font, out width, out height);
if (width <= 0)
{
//this is a temporary fix for win7 where Measure fonts return negative lenght for the string " "
StringMeasure.MeasureWithFont("a", dLabel.Font, out width, out height);
}
label.Width = width;
label.Height = height;
}
internal Line(DObject tag, P2 start, P2 end, double lw)
: base(tag)
{
lineWidth = lw;
P2 dir = end - start;
if (lineWidth < 0)
{
lineWidth = 1;
}
double len = dir.Length;
if (len > Microsoft.Msagl.Splines.Curve.IntersectionEpsilon)
{
dir /= (len / (lineWidth / 2));
dir = dir.Rotate(Math.PI / 2);
}
else
{
dir.X = 0;
dir.Y = 0;
}
this.bBox = new Microsoft.Msagl.Splines.Rectangle(start + dir);
this.bBox.Add(start - dir);
this.bBox.Add(end + dir);
this.bBox.Add(end - dir);
this.start = start;
this.end = end;
if (this.bBox.LeftTop.X == this.bBox.RightBottom.X)
{
bBox.LeftTop = bBox.LeftTop + new P2(-0.05f, 0);
bBox.RightBottom = bBox.RightBottom + new P2(0.05f, 0);
}
if (this.bBox.LeftTop.Y == this.bBox.RightBottom.Y)
{
bBox.LeftTop = bBox.LeftTop + new P2(0, -0.05f);
bBox.RightBottom = bBox.RightBottom + new P2(0, 0.05f);
}
}
/// <summary>
/// first and count denine the segment needed to be split into two groups
/// </summary>
/// <param name="first"></param>
/// <param name="count"></param>
/// <returns></returns>
BBNode ProcessGroup(int first, int count)
{
if (count > 1)
{
int seed0;
BBox b0;
int seed1;
FindSeeds(first, count, out seed0, out b0, out seed1);
BBox b1;
int count0;
int count1;
SplitOnGroups(first, count, seed0, ref b0, seed1, out b1, out count0, out count1);
BBNode node = new BBNode();
node.bBox = new BBox(b0, b1);
node.left = ProcessGroup(first, count0);
node.left.parent = node;
node.right = ProcessGroup(first + count0, count1);
node.right.parent = node;
return(node);
}
if (count == 1)
{
Geometry geom = geometries[first] as Geometry;
if (geom != null)
{
BBNode node = new BBNode();
node.geometry = geom;
return(node);
}
DObject dObject = geometries[first] as DObject;
if (dObject != null)
{
return(dObject.BbNode);
}
}
return(null);
}
IEnumerable <DObject> RelatedObjs(DObject dObj)
{
yield return(dObj);
var dNode = dObj as DNode;
if (dNode != null)
{
foreach (DEdge e in dNode.OutEdges)
{
yield return(e);
}
foreach (DEdge e in dNode.InEdges)
{
yield return(e);
}
foreach (DEdge e in dNode.SelfEdges)
{
yield return(e);
}
}
else
{
var dEdge = dObj as DEdge;
if (dEdge != null)
{
yield return(dEdge.Source);
yield return(dEdge.Target);
if (dEdge.Label != null)
{
yield return(dEdge.Label);
}
}
}
}
internal void SetSelectedObject(object o)
{
selectedDObject = (DObject)o;
MousePositonWhenSetSelectedObject = MousePosition;
}
internal Geometry(DObject dObject, BBox box)
{
this.dObject = dObject;
this.bBox = box;
}
/// <summary>
/// constructor
/// </summary>
/// <param name="parentPar"></param>
/// <param name="label"></param>
/// <param name="viewer">the viewer containing the label</param>
public DLabel(DObject parentPar, Label label, GViewer viewer) : base(viewer) {
parent = parentPar;
DrawingLabel = label;
((IHavingDLabel) parent).Label = this;
Font = new Font(DrawingLabel.FontName, (int)DrawingLabel.FontSize, (System.Drawing.FontStyle)(int)label.FontStyle);
}
static BBNode BuildBBHierarchyUnderDObject(DObject dObject){
var dNode = dObject as DNode;
if (dNode != null)
return BuildBBHierarchyUnderDNode(dNode);
var dedge = dObject as DEdge;
if (dedge != null){
return BuildBBHierarchyUnderDEdge(dedge);
}
var dLabel = dObject as DLabel;
if (dLabel != null)
if (DLabelIsValid(dLabel))
return BuildBBHierarchyUnderDLabel(dLabel);
else return null;
var dGraph = dObject as DGraph;
if (dGraph != null){
dGraph.BbNode.bBox = dGraph.DrawingGraph.BoundingBox;
return dGraph.BbNode;
}
throw new InvalidOperationException();
}
static void InvalidateBBNodesAbove(DObject dObj){
for (BBNode node = dObj.BbNode; node != null; node = node.parent)
node.bBox.Width = -1; //this will make the box empty
}
IEnumerable<DObject> RelatedObjs(DObject dObj){
yield return dObj;
var dNode = dObj as DNode;
if (dNode != null){
foreach (DEdge e in dNode.OutEdges)
yield return e;
foreach (DEdge e in dNode.InEdges)
yield return e;
foreach (DEdge e in dNode.SelfEdges)
yield return e;
}
else{
var dEdge = dObj as DEdge;
if (dEdge != null){
yield return dEdge.Source;
yield return dEdge.Target;
if (dEdge.Label != null)
yield return dEdge.Label;
}
}
}
static void RebuildBBHierarchyUnderObject(DObject dObj){
BBNode oldNode = dObj.BbNode;
BBNode newNode = BuildBBHierarchyUnderDObject(dObj);
if (newNode != null)
{
//now copy all fields, except the parent
oldNode.left = newNode.left;
oldNode.right = newNode.right;
oldNode.geometry = newNode.geometry;
oldNode.bBox = newNode.bBox;
}
else
oldNode.bBox = Rectangle.CreateAnEmptyBox();
}
internal Geometry(DObject dObject, BBox box) {
this.dObject = dObject;
this.bBox = box;
}
/// <summary>
/// returns false on filtered entities and only on them
/// </summary>
/// <param name="dObject"></param>
/// <returns></returns>
static bool EdgeFilter(DObject dObject)
{
return !(dObject is DEdge);
}
internal Geometry(DObject tag, BBox box)
{
this.tag = tag;
this.bBox = box;
}
internal static void CreateDLabel(DObject parent, Drawing.Label label, out double width, out double height,
GViewer viewer){
var dLabel = new DLabel(parent, label, viewer){Font = new Font(label.FontName, (int)label.FontSize)};
StringMeasure.MeasureWithFont(label.Text, dLabel.Font, out width, out height);
if (width <= 0)
//this is a temporary fix for win7 where Measure fonts return negative lenght for the string " "
StringMeasure.MeasureWithFont("a", dLabel.Font, out width, out height);
label.Width = width;
label.Height = height;
}
internal static void AddStyleForPen(DObject dObj, Pen myPen, Style style){
if(style == Style.Dashed){
myPen.DashStyle = DashStyle.Dash;
if(dObj.DashPatternArray == null){
float f = dObj.DashSize();
dObj.DashPatternArray = new[]{f, f};
}
myPen.DashPattern = dObj.DashPatternArray;
myPen.DashOffset = dObj.DashPatternArray[0];
} else if(style == Style.Dotted){
myPen.DashStyle = DashStyle.Dash;
if(dObj.DashPatternArray == null){
float f = dObj.DashSize();
dObj.DashPatternArray = new[]{1, f};
}
myPen.DashPattern = dObj.DashPatternArray;
}
}
internal void SetSelectedObject(object o){
selectedDObject = (DObject) o;
MousePositonWhenSetSelectedObject = MousePosition;
}