public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
return;
Point prast = overlay.Rasterizer.RasterizePixel(p);
p = overlay.Rasterizer.RasterizePixelToTikz(p);
if (ContinueWithBigImage(p) == false)
return;
overlay.BeginUpdate();
overlay.SetCorrectRaster(overlay.CurEditing, true);
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
// find next tikzpicture and add
bool lcreated;
if (EnsureCurAddToExists(out lcreated))
{
{
// there are three states: (i) new path -> add coordinate
// (ii) add controlpoints
// (iii) 2 cps's added -> add bezier segment
if (CPCount == 2)
{
// add controls
Tikz_Controls tcont = new Tikz_Controls();
tcont.starttag = " .. controls ";
tcont.endtag = " ..";
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord(), tc2 = new Parser.Tikz_Coord(); // control points
tc1.type = tc2.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
tcont.AddChild(tc1);
tcont.AddChild(new Tikz_Something(" and "));
tcont.AddChild(tc2);
curAddTo.AddChild(tcont);
// the endpoint
Parser.Tikz_Coord tcend = new Parser.Tikz_Coord();
tcend.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(new Tikz_Something(" "));
curAddTo.AddChild(tcend);
// do it here since the coordinate calculation needs the parents' coord. transform, and the second added point
tcend.SetAbsPos(p);
tc1.SetAbsPos(CP1);
tc2.SetAbsPos(CP2);
tcont.UpdateText();
tcend.UpdateText();
// draw the added objects in the overlay
// overlay.AddToDisplayTree(tcend);
// overlay.AddToDisplayTree(tcont);
CPCount = 0;
Preview_CP1.Visible = Preview_CP2.Visible = false;
}
else if (lcreated)
{
// add starting point
// create new coordinate
Parser.Tikz_Coord tc = new Parser.Tikz_Coord();
tc.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(tc);
// do it here since the coordinate calculation needs the parents' coord. transform
tc.SetAbsPos(new Point(p.X, p.Y)); //hack
curAddTo.UpdateText();
// draw the added object in the overlay
// overlay.AddToDisplayTree(tc);
CPCount = 0;
} else
{
// remember control points
if (CPCount == 0)
{
CP1 = p;
Preview_CP1.SetCenter(prast.X, prast.Y);
////Canvas.SetLeft(Preview_CP1, prast.X - Preview_CP1.Width / 2);
////Canvas.SetBottom(Preview_CP1, prast.Y - Preview_CP1.Height / 2);
////if (!overlay.canvas.Children.Contains(Preview_CP1))
//// overlay.canvas.Children.Add(Preview_CP1);
////Preview_CP1.Visibility = Visibility.Visible;
Preview_CP1.Visible = true;
}
else if (CPCount == 1)
{
CP2 = p;
Preview_CP2.SetCenter(prast.X, prast.Y);
////Canvas.SetLeft(Preview_CP2, prast.X - Preview_CP2.Width / 2);
////Canvas.SetBottom(Preview_CP2, prast.Y - Preview_CP2.Height / 2);
////if (!overlay.canvas.Children.Contains(Preview_CP2))
//// overlay.canvas.Children.Add(Preview_CP2);
////Preview_CP2.Visibility = Visibility.Visible;
Preview_CP2.Visible = true;
}
CPCount++;
}
}
}
overlay.EndUpdate();
}
Tikz_Option smoothOption; // this has to be changed to smooth cycle for closed curve
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
return;
p = overlay.Rasterizer.RasterizePixelToTikz(p);
if (ContinueWithBigImage(p) == false)
return;
overlay.BeginUpdate();
overlay.SetCorrectRaster(overlay.CurEditing, true);
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
// find tikzpicture and add
bool lcreated;
if (EnsureCurAddToExists(out lcreated))
{
// on double click -> close path
if (e.ClickCount == 2)
{
if (!lcreated)
{
smoothOption.key = "smooth cycle";
smoothOption.UpdateText();
}
}
else
{
if (!lcreated)
{
// for prettier formatting
curAddTo.AddChild(new Parser.Tikz_Something(" "));
}
// create new coordinate
Parser.Tikz_Coord tc = new Parser.Tikz_Coord();
tc.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(tc);
if (item is OverlayNode && IsReferenceable(item))
{
Tikz_Node tn = MakeReferenceableNode((item as OverlayNode).tikzitem);
tc.type = Tikz_CoordType.Named;
tc.nameref = tn.name;
}
else
{
// do it here since the coordinate calculation needs the parents' coord. transform
tc.SetAbsPos(new Point(p.X, p.Y));
}
//tn.UpdateText();
curAddTo.UpdateText();
//tpict.UpdateText();
// draw the added object in the overlay
// overlay.AddToDisplayTree(tc);
}
}
overlay.EndUpdate();
// doubleclick also stops path drawing
if (e.ClickCount == 2)
overlay.ActivateDefaultTool();
}
public Tikz_XYItem CoordByCP(Tikz_Coord ControlPoint)
{
if (ControlPoint == FirstCP)
return CoordBefore;
else if (ControlPoint == LastCP)
return CoordAfter;
else
return null;
}
/// <summary>
/// The Parser calls this method to create a Tikz_Coord from a node of the
/// abstract syntax tree produced by antlr.
/// </summary>
/// <param name="t">The node of the AST.</param>
/// <returns></returns>
public static Tikz_Coord FromCommonTree(ITree t, CommonTokenStream tokens)
{
Tikz_Coord tc = new Tikz_Coord();
if (t.ChildCount == 0)
{
// empty coordinate for loop, treat as named coordinate referencing the current position
tc.type = Tikz_CoordType.Named;
tc.nameref = "";
return tc;
}
else if (t.ChildCount == 1 && t.GetChild(0).Type == simpletikzParser.IM_NODENAME) // named node
{
tc.type = Tikz_CoordType.Named;
tc.nameref = TikzParser.getTokensString(tokens, t.GetChild(0).GetChild(0)); //t.GetChild(0).GetChild(0).Text;
return tc;
}
else if (t.ChildCount >= 2)
{
int i = 0;
if (t.ChildCount == 4)
{
tc.deco = t.GetChild(0).Text;
i = 1;
}
if (t.GetChild(i).Type == simpletikzParser.IM_NUMBERUNIT && t.GetChild(i).Type == simpletikzParser.IM_NUMBERUNIT)
{
tc.uX = new Tikz_NumberUnit(t.GetChild(i));
tc.uY = new Tikz_NumberUnit(t.GetChild(i + 1));
if (t.GetChild(i + 2).Text == ":")
{
tc.type = Tikz_CoordType.Polar;
}
}
else
{
tc.type = Tikz_CoordType.Invalid;
}
//tc.x = tc.uX.number; // hack
//tc.y = tc.uY.number;
return tc;
}
return null; // coming here is an error... this should not happen.
}
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
return;
Point ptikz = overlay.Rasterizer.RasterizePixelToTikz(p);
p = overlay.Rasterizer.RasterizePixel(p);
if (ContinueWithBigImage(ptikz) == false)
return;
if (pointcount == 0)
{
//overlay.SetCorrectRaster(overlay.CurEditing, true);
center = ptikz;
// set raster to polar, and such that origin is at center
overlay.Rasterizer.View.IsCartesian = false;
TikzMatrix M = overlay.Rasterizer.View.CoordinateTransform;
M.m[0, 2] = center.X;
M.m[1, 2] = center.Y;
overlay.Rasterizer.View.CoordinateTransform = M;
pointcount = 1;
PreviewPie.center = PreviewArc.center = new Point(p.X, overlay.Height - p.Y);
////if (!overlay.canvas.Children.Contains(PreviewArc))
//// overlay.canvas.Children.Add(PreviewArc);
////if (!overlay.canvas.Children.Contains(PreviewPie))
//// overlay.canvas.Children.Add(PreviewPie);
}
else if (pointcount == 1)
{
p1 = ptikz;
pointcount = 2;
PreviewPie.p1 = PreviewArc.p2 = new Point(p.X, overlay.Height - p.Y);
// compute radius
TikzMatrix M = overlay.Rasterizer.View.CoordinateTransform;
Point ploc = M.Inverse().Transform(p1);
overlay.Rasterizer.View.ForceRadiusTo = (ploc - (new Point(0, 0))).Length;
}
else if (pointcount == 2)
{
// **** create arc / pie ****
overlay.BeginUpdate();
// find next tikzpicture and add
if (AddNewCurAddTo()) //(EnsureCurAddToExists(out lcreated))
{
// Pie?
if (IsPie)
{
// create new coordinate
Tikz_Coord tc = new Parser.Tikz_Coord();
tc.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(tc);
tc.SetAbsPos(center);
curAddTo.AddChild(new Parser.Tikz_Something(" -- "));
}
Tikz_Coord tc1 = new Parser.Tikz_Coord();
if (IsPie)
{
tc1.type = Tikz_CoordType.Polar;
tc1.deco = "++";
}
curAddTo.AddChild(tc1);
tc1.SetAbsPos(p1);
curAddTo.AddChild(new Parser.Tikz_Something(" "));
// create arc
Tikz_Arc ta = new Tikz_Arc();
curAddTo.AddChild(ta);
ta.SetFromPoints(center, ptikz, IsLargeArc);
if (IsPie)
curAddTo.AddChild(new Parser.Tikz_Something(" -- cycle"));
//tn.UpdateText();
curAddTo.UpdateText();
//tpict.UpdateText();
// draw the added object in the overlay
overlay.AddToDisplayTree(curAddTo);
}
overlay.EndUpdate();
// reset everything
pointcount = 0;
overlay.Rasterizer.View.ForceRadiusTo = -1;
overlay.SetCorrectRaster(overlay.CurEditing, true);
}
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
UpdatePreviewDisplay(p);
}
public override void OnLeftMouseButtonUp(Point p, TEMouseArgs e)
{
// add the rectangle
if (PreviewRect.Visible)
{
if (!EnsureParseTreeExists())
return;
Point firstpoint = overlay.ScreenToTikz(origin, true);
Point secondpoint = overlay.Rasterizer.RasterizePixelToTikz(p);
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform);
TikzMatrix R = TikzMatrix.RotationMatrix(angle);
TikzMatrix RI = R.Inverse();
Point firstpointR = R.Transform(firstpoint), secondpointR = R.Transform(secondpoint);
if (ForcePointsBLTR)
{
// ensure first pt is bottom left, second top right
Rect r = new Rect(firstpointR, secondpointR);
firstpointR = r.TopLeft; // note that we use upside down coordinates, so the c# notations are different
secondpointR = r.BottomRight;
firstpoint = RI.Transform(firstpointR);
secondpoint = RI.Transform(secondpointR);
}
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
{
// both sides the same
double sidelength = Math.Max(Math.Abs(firstpointR.X-secondpointR.X), Math.Abs(firstpointR.Y-secondpointR.Y));
secondpointR = new Point(
firstpointR.X + Math.Sign(secondpointR.X-firstpointR.X) * sidelength,
firstpointR.Y + Math.Sign(secondpointR.Y-firstpointR.Y) * sidelength );
secondpoint = RI.Transform(secondpointR);
}
overlay.BeginUpdate();
if (AddNewCurAddTo())
{
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord();
tc1.type = overlay.UsePolarCoordinates? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
Parser.Tikz_Coord tc2 = new Parser.Tikz_Coord();
tc2.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(new Parser.Tikz_Something(" "));
curAddTo.AddChild(tc1);
curAddTo.AddChild(new Parser.Tikz_Something(codeToInsert));
curAddTo.AddChild(tc2);
if (originRef == null)
{
tc1.SetAbsPos(firstpoint);
}
else
{
Tikz_Node tn = MakeReferenceableNode((originRef as OverlayNode).tikzitem);
tc1.type = Tikz_CoordType.Named;
tc1.nameref = tn.name;
}
OverlayShape hit = overlay.ObjectAtCursor;
if ((hit is OverlayNode) && IsReferenceable(hit as OverlayNode))
{
Tikz_Node tn = MakeReferenceableNode((hit as OverlayNode).tikzitem);
tc2.type = Tikz_CoordType.Named;
tc2.nameref = tn.name;
} else
{
tc2.SetAbsPos(secondpoint);
}
overlay.AddToDisplayTree(tc1);
overlay.AddToDisplayTree(tc2);
curAddTo.UpdateText();
}
overlay.EndUpdate();
PreviewRect.Visible = false;
}
}
public override void OnLeftMouseButtonUp(Point p, TEMouseArgs e)
{
// add the rectangle
if (PreviewEllipse.Visible)
{
if (!EnsureParseTreeExists())
return;
Point center = overlay.ScreenToTikz(origin, true);
Point secondpoint = overlay.Rasterizer.RasterizePixelToTikz(p); // in axis aligned (untranformed) tikz coordinates
// compute rotated diagonal
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform);
TikzMatrix R = TikzMatrix.RotationMatrix(angle);
Vector newdiag = R.Transform(secondpoint - center);
double width = Math.Abs(newdiag.X), // actually half the width/height!
height = Math.Abs(newdiag.Y);
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
width = height = Math.Max(width, height);
overlay.BeginUpdate();
if (AddNewCurAddTo())
{
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord();
tc1.type = overlay.UsePolarCoordinates ? Parser.Tikz_CoordType.Polar : Parser.Tikz_CoordType.Cartesian;
curAddTo.AddChild(new Parser.Tikz_Something(" "));
curAddTo.AddChild(tc1);
// since there might be a coordinate tranform, the width/height have to be transformed
// (note: rotates are not very well supported here)
TikzMatrix M;
if (curAddTo.GetCurrentTransformAt(tc1, out M))
{
R = R.Inverse();
Point size_trans = M.Inverse().Transform(R.Transform(new Point(width, height)), true);
width = size_trans.X;
height = size_trans.Y;
}
else
{
MainWindow.AddStatusLine("Warning: Couldn't compute tranform at insertion position. Coordinates might be wrong.", true);
}
width = Math.Round(width, (int)Properties.Settings.Default.RoundToDecimals);
height = Math.Round(height, (int)Properties.Settings.Default.RoundToDecimals);
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control) && width == height)
curAddTo.AddChild(new Parser.Tikz_Something(" circle (" + width + ")" ));
else
curAddTo.AddChild(new Parser.Tikz_Something(" ellipse (" + width + " and " + height + ")"));
if (originRef == null)
{
tc1.SetAbsPos(center);
}
else
{
Tikz_Node tn = MakeReferenceableNode((originRef as OverlayNode).tikzitem);
tc1.type = Tikz_CoordType.Named;
tc1.nameref = tn.name;
}
overlay.AddToDisplayTree(tc1);
curAddTo.UpdateText();
}
overlay.EndUpdate();
PreviewEllipse.Visible = false;
}
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
return;
p = overlay.Rasterizer.RasterizePixelToTikz(p);
if (ContinueWithBigImage(p) == false)
return;
overlay.BeginUpdate();
//overlay.SetCorrectRaster(overlay.CurEditing, true);
UpdateRaster();
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
// find next tikzpicture and add
bool lcreated;
if (EnsureCurAddToExists(out lcreated))
{
// on double click -> close path
if (e.ClickCount == 2)
{
if (!lcreated)
{
//if (!Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
curAddTo.AddChild(new Parser.Tikz_Something(" -- cycle"));
//else
// curAddTo.AddChild(new Parser.Tikz_Something(" cycle"));
}
}
else
{
if (!lcreated)
{
if (!overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
// add an edge
curAddTo.AddChild(new Parser.Tikz_Something(" -- "));
else
curAddTo.AddChild(new Parser.Tikz_Something(" "));
}
// create new coordinate. If some node was clicked, set a reference to that node. Otherwise, just make new coordinates
Tikz_Coord tc = new Tikz_Coord();
if (item is OverlayNode && IsReferenceable(item))
{
Tikz_Node tn = MakeReferenceableNode((item as OverlayNode).tikzitem);
tc.type = Tikz_CoordType.Named;
tc.nameref = tn.name;
curAddTo.AddChild(tc);
}
else
{
// do it here since the coordinate calculation needs the parents' coord. transform
tc.type = overlay.UsePolarCoordinates ? Tikz_CoordType.Polar : Tikz_CoordType.Cartesian;
if (!lcreated)
tc.deco = overlay.NewNodeModifier; // first node should always be in absolute coordinates
curAddTo.AddChild(tc);
tc.SetAbsPos(new Point(p.X, p.Y)); //hack
// if a nonempty node style is selected, also add a node with that style
if (!String.IsNullOrWhiteSpace(overlay.NodeStyle))
{
Tikz_Node tn = new Tikz_Node()
{
options = "[" + overlay.NodeStyle + "]",
coord = null,
text = ""
};
curAddTo.AddChild(new Tikz_Something(" "));
curAddTo.AddChild(tn);
}
}
//tn.UpdateText();
curAddTo.UpdateText();
//tpict.UpdateText();
// draw the added object in the overlay
// overlay.AddToDisplayTree(tc);
}
}
overlay.EndUpdate();
UpdateRaster();
// doubleclick also stops path drawing
if (e.ClickCount == 2)
overlay.ActivateDefaultTool();
}
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
if (!(item is OverlayNode))
{
curSel = null;
return;
}
OverlayNode n = item as OverlayNode;
// make sure a referenceable item is selected... otherwise we cannot add an edge
if (!IsReferenceable(item))
{
MainWindow.AddStatusLine("Only items that are referenceable (=can be given names) can be connected with the edge tool.");
return;
}
if (curSel == null)
{
curSel = n;
return;
}
// make sure both nodes involved are nodes
/* if (!(curSel.tikzitem is Tikz_Node) || !(n.tikzitem is Tikz_Node))
{
String which = ""; String verb = "is";
if (!(curSel.tikzitem is Tikz_Node) && !(n.tikzitem is Tikz_Node))
{ which = "Both"; verb = "are"; }
else if (!(curSel.tikzitem is Tikz_Node))
which = "The first";
else if (!(n.tikzitem is Tikz_Node))
which = "The second";
MainWindow.AddStatusLine(which + " of the selected coordinates " + verb + " not a node (i.e. not defined with \\node but rather with \\draw or \\path)", true);
curSel = null;
return; // hack
} */
//the return from above must not interfere with BeginModify()
overlay.BeginUpdate();
// add an edge curSel to n
//bool lcreated;
//if (EnsureCurAddToExists(out lcreated))
//always create new \draw command. otherwise it can happen that the \draw-command
//is above the \node-definition which causes an error while compiling the latex code.
if (AddNewCurAddTo())
{
// make sure both nodes involved have names
Parser.Tikz_Node t1 = MakeReferenceableNode(curSel.tikzitem ),
t2 = MakeReferenceableNode(n.tikzitem );
Parser.Tikz_Coord tc1 = new Parser.Tikz_Coord();
tc1.type = Parser.Tikz_CoordType.Named;
Parser.Tikz_Coord tc2 = new Parser.Tikz_Coord();
tc2.type = Parser.Tikz_CoordType.Named;
curAddTo.AddChild(new Parser.Tikz_Something(" "));
curAddTo.AddChild(tc1);
if (t1 == t2)
curAddTo.AddChild(new Parser.Tikz_Something(" edge[loop, looseness=20] "));
else
curAddTo.AddChild(new Parser.Tikz_Something(" edge "));
curAddTo.AddChild(tc2);
//tpict.AddChild(tp);
// make sure both nodes have names
/* Tikz_Picture tpict = overlay.ParseTree.GetTikzPicture();
if (t1.name == "")
{
t1.SetName(tpict.GetUniqueName());
t1.UpdateText();
}
if (t2.name == "")
{
t2.SetName(tpict.GetUniqueName());
t2.UpdateText();
}
*/
tc1.nameref = t1.name;
tc2.nameref = t2.name;
//tc1.UpdateText();
curAddTo.UpdateText();
//tpict.UpdateText();
// txtCode_TextChanged
//RedrawObjects();
//if (OnModified != null)
// OnModified.Invoke();
//edge was drawn. release currently selected node.
curSel = null;
//will neither want to path tool to start from this last select nodes.
curAddTo = null;
}
//forgetting to call EndModify causes weird "No undo group should be open at this point"-message.
overlay.EndUpdate();
}
