void SaveXps(string filename)
{
Package package = Package.Open(filename, FileMode.Create);
var xpsDoc = new XpsDocument(package);
XpsDocumentWriter xpsWriter = XpsDocument.CreateXpsDocumentWriter(xpsDoc);
// zero the VisualOffset
Size s = diagram.RenderSize;
Transform t = diagram.LayoutTransform;
Point p = t.Transform(new Point(s.Width, s.Height));
diagram.Arrange(new Rect(0, 0, p.X, p.Y));
graphScroller.Content = null;
var fp = new FixedPage {
Width = p.X, Height = p.Y
};
// Must add the inherited styles before we add the diagram child!
fp.Resources.MergedDictionaries.Add(Resources);
fp.Children.Add(diagram);
xpsWriter.Write(fp);
// put the diagram back into the scroller.
fp.Children.Remove(diagram);
graphScroller.Content = diagram;
package.Close();
}
private void UpdateCriterias()
{
var models = _repository.Models;
_graph.Clear();
foreach (var c in _criterias)
{
switch (c.Name)
{
case Model.CriteriaName.Couleur:
{
foreach (var m1 in models)
{
var sameColours = from m in models where m.Colour == m1.Colour select m;
foreach (var m2 in sameColours)
{
AddNewGraphEdge(c.Colour, m1, m2);
}
}
}
break;
case Model.CriteriaName.Date:
{
foreach (var m1 in models)
{
var sameArtists = from m in models where m.Date == m1.Date select m;
foreach (var m2 in sameArtists)
{
AddNewGraphEdge(c.Colour, m1, m2);
}
}
}
break;
case Model.CriteriaName.Materiau:
{
foreach (var m1 in models)
{
var sameMaterial = from m in models where m.Material == m1.Material select m;
foreach (var m2 in sameMaterial)
{
AddNewGraphEdge(c.Colour, m1, m2);
}
}
}
break;
}
}
_graph.Arrange();
}
protected void UpdateDirectedGraph()
{
mDiagram.Clear();
parsedKeywords.Clear();
string ctrSentence = FirstThreeWords(pageSentences[displayedSentenceIndices[0]]);
Node node = new TextNode(surface, ctrSentence);
((TextNode)node).Brush = surface.greenBrush;
mDiagram.AddNode(node);
// Get the keywords of all sentences for the current sentence or sentences containing the selected keyword.
List <SentenceInfo> keywords = GetSentencesKeywords();
keywords = keywords.RemoveDuplicates((si1, si2) => si1.Keyword.ToLower() == si2.Keyword.ToLower()).ToList();
parsedKeywords.AddRange(keywords.Select(si => si.Keyword.ToLower()));
AddKeywordsToGraphNode(node, keywords, 0);
mDiagram.Arrange();
}
private void layoutButton_Click(object sender, RoutedEventArgs e)
{
var diagram = new Diagram();
var nodes = new Dictionary <PlanetDrawing, SpotNode>();
// add all nodes representing planets to the diagram
foreach (var planetDrawing in galaxyDrawing.PlanetDrawings)
{
var node = new SpotNode();
diagram.AddNode(node);
nodes[planetDrawing] = node;
}
// add planet links to the diagram
foreach (var link in galaxyDrawing.LinkDrawings)
{
nodes[link.Planet1].AddParent(nodes[link.Planet2]);
}
// create the layout
diagram.Arrange();
// set planet positions, from their nodes
var bounds = diagram.GetDiagramBounds();
foreach (var kvp in nodes)
{
var node = kvp.Value;
var planetDrawing = kvp.Key;
// get relative coordinates (0 to 1)
var x = ((double)node.X - bounds.Left) / bounds.Width;
var y = ((double)node.Y - bounds.Top) / bounds.Height;
// add some space between the border and planets
x = x * 0.8 + 0.1;
y = y * 0.8 + 0.1;
// set the planet position
planetDrawing.Planet.X = x;
planetDrawing.Planet.Y = y;
planetDrawing.Position = new Point(x * galaxyDrawing.ImageSource.Width, y * galaxyDrawing.ImageSource.Height);
}
}
void Save(string filename)
{
try
{
BitmapEncoder enc = null;
string ext = System.IO.Path.GetExtension(filename);
switch (ext.ToLower())
{
case ".bmp":
enc = new BmpBitmapEncoder();
break;
case ".gif":
enc = new GifBitmapEncoder();
break;
case ".xaml":
using (StreamWriter sw = new StreamWriter(filename, false, System.Text.Encoding.UTF8))
{
XamlWriter.Save(diagram, sw);
}
break;
case ".xps":
SaveXps(filename);
break;
case ".png":
enc = new PngBitmapEncoder();
break;
case ".jpg":
enc = new JpegBitmapEncoder();
break;
case ".dot":
break;
}
if (enc != null)
{
// reset VisualOffset to (0,0).
Size s = this.diagram.RenderSize;
diagram.Arrange(new Rect(0, 0, s.Width, s.Height));
Transform t = this.diagram.LayoutTransform;
Point p = t.Transform(new Point(s.Width, s.Height));
RenderTargetBitmap rmi = new RenderTargetBitmap((int)p.X, (int)p.Y, 1 / 96, 1 / 96, PixelFormats.Pbgra32);
rmi.Render(this.diagram);
// fix the VisualOffset so diagram doesn't move inside scroller.
this.graphScroller.Content = null;
this.graphScroller.Content = diagram;
using (FileStream fs = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write))
{
enc.Frames.Add(BitmapFrame.Create(rmi));
enc.Save(fs);
}
}
}
catch (System.Exception e)
{
MessageBox.Show(e.ToString(), "Save Failed", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
// We will have 3 panels:
// 1. event type
// 2. language
// 3. word cloud of each project description
protected void Setup()
{
rnd = new Random();
diagramEvents = new Diagram();
diagramEvents.Arrange();
diagramDescriptions = new Diagram();
diagramDescriptions.Arrange();
diagramLanguages = new Diagram();
diagramLanguages.Arrange();
timer = new System.Windows.Forms.Timer();
timer.Interval = 1000 / 20; // 20 times a second, in milliseconds.
timer.Tick += (sender, args) =>
{
pnlEvents.Invalidate(true);
pnlDescriptions.Invalidate(true);
pnlLanguages.Invalidate(true);
};
// Redraw the events word cloud.
pnlEvents.Paint += (sender, args) =>
{
Graphics gr = args.Graphics;
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
lock (this)
{
diagramEvents.Iterate(Diagram.DEFAULT_DAMPING, Diagram.DEFAULT_SPRING_LENGTH, Diagram.DEFAULT_MAX_ITERATIONS);
diagramEvents.Draw(gr, Rectangle.FromLTRB((int)(pnlEvents.Width * .10), 10, (int)(pnlEvents.Width - pnlEvents.Width * .10), pnlEvents.Height - 20));
}
};
// Redraw the descriptions word cloud.
pnlDescriptions.Paint += (sender, args) =>
{
Graphics gr = args.Graphics;
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
lock (this)
{
diagramDescriptions.Iterate(Diagram.DEFAULT_DAMPING, Diagram.DEFAULT_SPRING_LENGTH, Diagram.DEFAULT_MAX_ITERATIONS);
diagramDescriptions.Draw(gr, Rectangle.FromLTRB((int)(pnlDescriptions.Width * .10), 10, (int)(pnlDescriptions.Width - pnlDescriptions.Width * .10), pnlDescriptions.Height - 20));
}
};
// Redraw the languages word cloud.
pnlLanguages.Paint += (sender, args) =>
{
Graphics gr = args.Graphics;
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
lock (this)
{
diagramLanguages.Iterate(Diagram.DEFAULT_DAMPING, Diagram.DEFAULT_SPRING_LENGTH, Diagram.DEFAULT_MAX_ITERATIONS);
diagramLanguages.Draw(gr, Rectangle.FromLTRB((int)(pnlLanguages.Width * .10), 10, (int)(pnlLanguages.Width - pnlLanguages.Width * .10), pnlLanguages.Height - 20));
}
};
// Resize the panel when the form changes.
SizeChanged += (sender, args) =>
{
int w3 = Width / 3 - 30;
int h3 = Height - 30;
pnlEvents.Size = new Size(w3, h3);
pnlDescriptions.Location = new Point(10 + w3, 10);
pnlDescriptions.Size = new Size(w3, h3);
pnlLanguages.Location = new Point(20 + w3 * 2, 10);
pnlLanguages.Size = new Size(w3, h3);
};
rootNodeEvents = new SpotNode(Color.Black);
rootNodeDescriptions = new SpotNode(Color.Black);
rootNodeLanguages = new SpotNode(Color.Black);
diagramEvents.AddNode(rootNodeEvents);
diagramDescriptions.AddNode(rootNodeDescriptions);
diagramLanguages.AddNode(rootNodeLanguages);
timer.Start();
}
private void Draw()
{
di.Arrange();
Invalidate();
}
protected void Setup()
{
diagram = new Diagram(this);
rnd = new Random();
bool overrun = false;
diagram.Arrange();
timer = new System.Windows.Forms.Timer();
timer.Interval = 1000 / 20; // 20 times a second, in milliseconds.
timer.Tick += (sender, args) => pnlCloud.Invalidate(true);
pnlCloud.Paint += (sender, args) =>
{
Graphics gr = args.Graphics;
gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
++paintIteration;
// ReduceCounts();
if (!overrun)
{
overrun = true;
int maxTweets = 20;
// We assume here that we can parse the data faster than the incoming stream hands it to us.
// But we put in a safety check to handle only 20 tweets.
while (tweetQueue.Count > 0 && (--maxTweets > 0))
{
string tweet;
lock (this)
{
tweet = tweetQueue.Dequeue();
}
SynchronousUpdate(tweet);
}
// gr.Clear(Color.White);
diagram.Iterate(Diagram.DEFAULT_DAMPING, Diagram.DEFAULT_SPRING_LENGTH, Diagram.DEFAULT_MAX_ITERATIONS);
diagram.Draw(gr, Rectangle.FromLTRB(12, 24, pnlCloud.Width - 12, pnlCloud.Height - 36));
// gr.DrawString(paintIteration.ToString() + " " + diagram.Nodes.Count.ToString() + " " + tweetQueue.Count.ToString() + " " + diagram.layout.Count.ToString(), font, brushBlack, new Point(3, 3));
overrun = false;
}
else
{
gr.DrawString("overrun", font, brushBlack, new Point(3, 3));
}
};
pnlCloud.MouseMove += OnMouseMove;
pnlCloud.MouseLeave += (sender, args) =>
{
if (tweetForm != null)
{
tweetForm.Close();
tweetForm = null;
mouseWord = String.Empty;
}
};
timer.Start();
Node node = new SpotNode(Color.Black);
rootNode = node;
diagram.AddNode(node);
}