public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
// initiate drawing process
Point mousep = overlay.Rasterizer.RasterizePixel(p);
origin = new Point(mousep.X, overlay.Height - mousep.Y);
if (IsReferenceable(item))
{
originRef = item;
}
else
{
originRef = null;
}
PreviewEllipse.SetPosition(origin.X, origin.Y, 0, 0);
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform) * 180 / Math.PI;
PreviewEllipse.Rotation = angle;
PreviewEllipse.Visible = true;
overlay.MouseCaptured = true;
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
base.OnMouseMove(p, e);
//Point mousep = e.GetPosition(overlay.canvas);
Point mousep = overlay.Rasterizer.RasterizePixel(p);
////mousep = new Point(mousep.X, overlay.canvas.ActualHeight - mousep.Y);
mousep = new Point(mousep.X, overlay.Height - mousep.Y);
if (PreviewEllipse.Visible)
{
// compute rotated diagonal
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform);
//TikzMatrix R
TikzMatrix R = TikzMatrix.RotationMatrix(-angle);
Vector newdiag = R.Transform(mousep - origin);
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);
}
R = R.Inverse();
Point topleft = origin + R.Transform(new Vector(-width, -height));
PreviewEllipse.SetPosition(topleft.X, topleft.Y, 2 * width, 2 * height);
}
}
/// <summary>
/// Packages the Mouse event arguments into UI framework independent format.
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public static TEMouseArgs ToTEMouseArgs(this MouseButtonEventArgs e)
{
TEMouseArgs ee = (e as MouseEventArgs).ToTEMouseArgs();
ee.ClickCount = e.ClickCount;
return(ee);
}
/// <summary>
/// The standard handling of right click is as follows (with this priority):
/// 1. The current tool uses the click.
/// 2. Set the tool to the standard tool (move)
/// 3. Deselect the CurEditing item.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void canvas1_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
// call right down-method in the current tool
Point mousep = e.GetPosition(canvas1);
var oo = ObjectAtPosition(mousep);
TEMouseArgs ee = e.ToTEMouseArgs();
TheModel.CurrentTool.OnRightMouseButtonDown(oo, new Point(mousep.X, Height - mousep.Y), ee);
e.Handled = ee.Handled;
// if the tool didn't use the click-> proceed with standard handling
if (!e.Handled)
{
if (Tool == OverlayToolType.move)
{
//canvas1.ContextMenu.IsEnabled = true;
if (TheModel.CurEditing != null)
{
TheModel.CurEditing = null;
PreventContextMenuOpening = true;
}
}
else
{
Tool = OverlayToolType.move;
PreventContextMenuOpening = true;
}
}
else
{
PreventContextMenuOpening = true;
}
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
// initiate drawing process
Point mousep = overlay.Rasterizer.RasterizePixel(p);
origin = new Point(mousep.X, overlay.Height - mousep.Y);
if (IsReferenceable(item))
{
originRef = item;
}
else
{
originRef = null;
}
PreviewRect.SetPosition(origin.X, origin.Y, 0, 0);
// adjust rotation in case we are in a rotated frame
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform) * 180 / Math.PI;
PreviewRect.Rotation = angle;
////if (!overlay.canvas.Children.Contains(PreviewRect))
//// overlay.canvas.Children.Add(PreviewRect);
/////PreviewRect.Visibility = Visibility.Visible;
PreviewRect.Visible = true;
overlay.MouseCaptured = true;
}
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
{
return;
}
overlay.BeginUpdate();
overlay.SetCorrectRaster(overlay.CurEditing, true);
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
p = overlay.Rasterizer.RasterizePixelToTikz(p);
if (ContinueWithBigImage(p) == false)
{
return;
}
// find next tikzpicture and add
Parser.Tikz_Picture tpict = overlay.ParseTree.GetTikzPicture();
if (tpict != null)
{
Parser.Tikz_Node tn = new Parser.Tikz_Node();
tn.label = "";
tn.coord = new Parser.Tikz_Coord();
if (overlay.NodeStyle != "")
{
tn.options = "[" + overlay.NodeStyle + "]";
}
Parser.Tikz_Path tp = new Parser.Tikz_Path();
tp.starttag = @"\node ";
tp.endtag = ";";
tp.AddChild(tn);
if (overlay.CurEditing != null)
{
overlay.CurEditing.tikzitem.AddChild(tp);
overlay.CurEditing.tikzitem.AddChild(new Parser.Tikz_Something("\r\n"));
}
else
{
tpict.AddChild(tp);
tpict.AddChild(new Parser.Tikz_Something("\r\n"));
}
// do it here since the coordinate calculation needs the parents' coord. transform
tn.SetAbsPos(new Point(p.X, p.Y)); //hack
//tn.UpdateText();
tp.UpdateText();
//tpict.UpdateText();
//RedrawObjects();
overlay.AddToDisplayTree(tp);
}
overlay.EndUpdate();
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
base.OnMouseMove(p, e);
p = overlay.Rasterizer.RasterizePixel(p);
if (pointcount > 0)
UpdatePreviewDisplay(p);
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
Point mousep = overlay.CursorPosition;
if (SelectionRect.Visible)
{
// update the size of the selection rect
double x = Math.Min(mousep.X, SelectionRectOrigin.X),
y = Math.Min(mousep.Y, SelectionRectOrigin.Y);
//SelectionRect.RenderTransform = new TranslateTransform(x, y);
////Canvas.SetLeft(SelectionRect, x);
////Canvas.SetTop(SelectionRect, y);
////SelectionRect.Width = Math.Abs(mousep.X - SelectionRectOrigin.X);
////SelectionRect.Height = Math.Abs(mousep.Y - SelectionRectOrigin.Y);
SelectionRect.SetPosition(x, y, Math.Abs(mousep.X - SelectionRectOrigin.X), Math.Abs(mousep.Y - SelectionRectOrigin.Y));
// update current selection
Rect selr = SelectionRect.GetBB();////System.Windows.Controls.Primitives.LayoutInformation.GetLayoutSlot(SelectionRect); // this is BB of selection rect
UpdateSelection(selr, overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control));
}
// start a drag operation only after the mouse moved at least xx pixels to avoid accidental moving
if ((DragOriginC - p).Length > 5)
{
movedenough = true;
}
// for a dragged scope, the relative movement gets rasterized
// for a dragged node, the center of the node gets rasterized
if (curDragged != null && e.LeftButtonPressed && movedenough)
{
if (curDragged is OverlayScope)
{
// total shift
Point relshift_pixel = new Point(p.X - DragOriginC.X, p.Y - DragOriginC.Y);
relshift_pixel = overlay.Rasterizer.RasterizePixelRelative(relshift_pixel);
// shift yet to be done
Vector relshift_tobedone = (Vector)(DragOriginO + (relshift_pixel - curDragged.Center));
ShiftSelItemsOnScreen(relshift_tobedone);
}
else if (curDragged is OverlayNode)
{
// use width instead actual width
////Point center_pixel = new Point(p.X - DragOrigin.X + curDragged.Width / 2,
//// p.Y - DragOrigin.Y + curDragged.Height / 2);
Point center_pixel = new Point(p.X - DragOrigin.X,
p.Y - DragOrigin.Y);
// the center pixel of the node should go here
center_pixel = overlay.Rasterizer.RasterizePixel(center_pixel);
// shift yet to be done
Vector relshift_tobedone = center_pixel - curDragged.Center;
ShiftSelItemsOnScreen(relshift_tobedone);
}
}
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
base.OnMouseMove(p, e);
p = overlay.Rasterizer.RasterizePixel(p);
if (pointcount > 0)
{
UpdatePreviewDisplay(p);
}
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (item != null)
{
// initiate a drag/drop operation
curDragged = (OverlayShapeVM)item;
DragOrigin = (new Point(item.Center.X, item.Center.Y)) - (Vector)p;
////DragOrigin = e.GetPosition(item);
////DragOrigin = new Point(DragOrigin.X, (item as OverlayShape).Height - DragOrigin.Y);
DragOriginC = p;
DragOriginO = new Point(curDragged.Center.X, curDragged.Center.Y);
movedenough = false;
//MessageBox.Show(o.ToString());
// select the clicked shape
/* if (Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
{
if (!ToggleItem(curDragged))
{
// unselected -> start no drag operation
curDragged = null;
}
}
else
{
AddItem(curDragged, !IsItemSelected(curDragged));
}*/
// adjust raster origin/scale/polar/cartesian
overlay.SetCorrectRaster(curDragged);
// for an arc, display preview
//if (curDragged.item is Tikz_Arc)
//{
FillNodesOnArc();
//check whether starting moving arc was successful
if (PreviewArc.Spokes == null)
{
SetCursorNo();
curDragged = null;
return;
}
AdjustPreviewPos(p);
PreviewArc.Visible = true;
//}
// capture mouse. this is important if the user drags sth. outside canvas1's bounds
if (curDragged != null)
overlay.MouseCaptured = true;
}
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (item != null)
{
// initiate a drag/drop operation
curDragged = (OverlayShapeVM)item;
DragOrigin = (new Point(item.Center.X, item.Center.Y)) - (Vector)p;
////DragOrigin = e.GetPosition(item);
////DragOrigin = new Point(DragOrigin.X, (item as OverlayShape).Height - DragOrigin.Y);
DragOriginC = p;
DragOriginO = new Point(curDragged.Center.X, curDragged.Center.Y);
movedenough = false;
//MessageBox.Show(o.ToString());
// select the clicked shape
/* if (Keyboard.Modifiers.HasFlag(ModifierKeys.Control))
* {
* if (!ToggleItem(curDragged))
* {
* // unselected -> start no drag operation
* curDragged = null;
* }
* }
* else
* {
* AddItem(curDragged, !IsItemSelected(curDragged));
* }*/
// adjust raster origin/scale/polar/cartesian
overlay.SetCorrectRaster(curDragged);
// for an arc, display preview
//if (curDragged.item is Tikz_Arc)
//{
FillNodesOnArc();
//check whether starting moving arc was successful
if (PreviewArc.Spokes == null)
{
SetCursorNo();
curDragged = null;
return;
}
AdjustPreviewPos(p);
PreviewArc.Visible = true;
//}
// capture mouse. this is important if the user drags sth. outside canvas1's bounds
if (curDragged != null)
{
overlay.MouseCaptured = true;
}
}
}
public override void OnRightMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
//base.OnRightMouseButtonDown(item, p, e);
// if a node is selected, unselect it
if (curSel != null)
{
curSel = null;
e.Handled = true; // we don't want anything else to happen (contextmenu opening etc)
}
}
private void canvas1_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
if (canvas1.IsMouseCaptured)
{
canvas1.ReleaseMouseCapture(); // release mouse capture here to make sure the tools cannot forget
}
Point mousep = e.GetPosition(canvas1);
TEMouseArgs ee = e.ToTEMouseArgs();
TheModel.CurrentTool.OnLeftMouseButtonUp(new Point(mousep.X, Height - mousep.Y), ee);
e.Handled = ee.Handled;
}
private void canvas1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// for some unknown reason the focus has to be set using the dispatcher...
Dispatcher.BeginInvoke(new Action(delegate() { Keyboard.Focus(canvas1); }));
// call left down-method in the current tool
Point mousep = e.GetPosition(canvas1);
var oo = ObjectAtPosition(mousep);
TEMouseArgs ee = e.ToTEMouseArgs();
TheModel.CurrentTool.OnLeftMouseButtonDown(oo, new Point(mousep.X, Height - mousep.Y), ee);
e.Handled = ee.Handled;
}
public override void OnLeftMouseButtonUp(Point p, TEMouseArgs e)
{
if (SelectionRect.Visible)
{
SelectionRect.Visible = false;
}
// adjust position of dragged item (in parsetree)
if (curDragged != null && movedenough)
{
overlay.BeginUpdate();
// determine the relative shift
Point relshift = new Point(curDragged.View.GetLeft() - DragOriginO.X, curDragged.View.GetBottom() - DragOriginO.Y);
Point relshift_tikz = new Point(relshift.X / overlay.Resolution, relshift.Y / overlay.Resolution);
ShiftSelItemsInParseTree(relshift_tikz, overlay.TopLevelItems);
/*
* Point pp = new Point(Canvas.GetLeft(curDragged) + curDragged.Width / 2, Canvas.GetBottom(curDragged) + curDragged.Height / 2);
* pp = ScreenToTikz(pp);
* if (curDragged is OverlayNode)
* {
* (curDragged as OverlayNode).tikzitem.SetAbsPos(pp);
* (curDragged as OverlayNode).tikzitem.UpdateText();
*
* }
* else if (curDragged is OverlayScope)
* {
* Point pdiff = new Point(e.GetPosition(canvas1).X - DragOriginC.X, e.GetPosition(canvas1).Y - DragOriginC.Y);
* pdiff = rasterizer.RasterizePixel(pdiff);
*
* double xs = pdiff.X / Resolution, ys = -pdiff.Y / Resolution;
*
* curDragged.ShiftItemRelative(pdiff);
* }*/
// update all item's positions
foreach (OverlayShape o in overlay.TopLevelItems)
{
o.AdjustPosition(overlay.Resolution);
}
// update raster in case it has changed
overlay.SetCorrectRaster(curDragged);
curDragged = null;
overlay.EndUpdate();
}
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
base.OnMouseMove(p, e);
//Point mousep = e.GetPosition(overlay.canvas);
Point mousep = overlay.Rasterizer.RasterizePixel(p);
////mousep = new Point(mousep.X, overlay.canvas.ActualHeight - mousep.Y);
mousep = new Point(mousep.X, overlay.Height - mousep.Y);
if (PreviewRect.Visible)
{
// compute rotated diagonal
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform);
TikzMatrix R = TikzMatrix.RotationMatrix(-angle);
Vector newdiag = R.Transform(mousep - origin);
// update the size and position of the preview rect
double width, height;
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
{
// both sides the same
width = height = Math.Max(Math.Abs(newdiag.X), Math.Abs(newdiag.Y));
newdiag = new Vector(Math.Sign(newdiag.X) * width, Math.Sign(newdiag.Y) * height);
}
else
{
width = Math.Abs(newdiag.X);
height = Math.Abs(newdiag.Y);
}
R = R.Inverse();
Point topleft = origin + R.Transform(new Vector(Math.Min(0, newdiag.X), Math.Min(0, newdiag.Y)));
//double x = (newdiag.X<0 ? mousep.X : origin.X),
// y = (newdiag.Y<0 ? mousep.Y : origin.Y);
//SelectionRect.RenderTransform = new TranslateTransform(x, y);
PreviewRect.SetPosition(topleft.X, topleft.Y, width, height);
}
}
/*
* /// <summary>
* /// Sets the current parsetree and updates the overlay.
* /// </summary>
* /// <param name="t">The new parsetree.</param>
* /// <param name="tBB">The new bounding box.</param>
* public void SetParseTree(Tikz_ParseTree t, Rect tBB)
* {
* BB = tBB;
* ParseTree = t;
* //curSel = null; //curDragged = null;
* Resolution = Resolution; // to recalc size
* ActivateDefaultTool(); // to reset current tool
* RedrawObjects();
* } */
#region Events forwarded to Current tool
private void canvas1_MouseMove(object sender, MouseEventArgs e)
{
Point mousep = e.GetPosition(canvas1);
// convert to bottom left coordinates
Point p = new Point(mousep.X, Height - mousep.Y);
TEMouseArgs ee = e.ToTEMouseArgs();
TheModel.CurrentTool.OnMouseMove(p, ee);
e.Handled = ee.Handled;
// display the current mouse position
/* p.Y /= Resolution;
* p.X /= Resolution;
* p.X += BB.X;
* p.Y += BB.Y;
*
* String s = "(" + String.Format("{0:f1}", p.X) + "; " + String.Format("{0:f1}", p.Y) + ")";
* ((MainWindow)Application.Current.Windows[0]).AddStatusBarCoordinate(s);
*/
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
Point mousep = overlay.CursorPosition;
// start a drag operation only after the mouse moved at least xx pixels to avoid accidental moving
if ((DragOriginC - p).Length > 5)
{
movedenough = true;
}
// for a dragged scope, the relative movement gets rasterized
// for a dragged node, the center of the node gets rasterized
if (curDragged != null && e.LeftButtonPressed && movedenough)
{
if (curDragged is OverlayScope)
{
}
else if (curDragged is OverlayNode)
{
// use width instead actual width
Point center_pixel = new Point(p.X - DragOrigin.X,
p.Y - DragOrigin.Y);
// the center pixel of the node should go here
center_pixel = overlay.Rasterizer.RasterizePixel(center_pixel);
// shift yet to be done
Point relshift_tobedone = new Point(
center_pixel.X - curDragged.Center.X,
center_pixel.Y - curDragged.Center.Y
);
//ShiftSelItemsOnScreen(relshift_tobedone);
curDragged.Center = center_pixel;
AdjustPreviewPos(center_pixel);
}
}
}
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
// initiate drawing process
Point mousep = overlay.Rasterizer.RasterizePixel(p);
origin = new Point(mousep.X, overlay.Height - mousep.Y);
if (IsReferenceable(item))
originRef = item;
else
originRef = null;
PreviewRect.SetPosition(origin.X, origin.Y, 0,0);
// adjust rotation in case we are in a rotated frame
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform) * 180 / Math.PI;
PreviewRect.Rotation = angle;
////if (!overlay.canvas.Children.Contains(PreviewRect))
//// overlay.canvas.Children.Add(PreviewRect);
/////PreviewRect.Visibility = Visibility.Visible;
PreviewRect.Visible = true;
overlay.MouseCaptured = true;
}
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
if (e.ClickCount == 2 && (item is OverlayScope)) // Select for editing
{
overlay.CurEditing = item as OverlayScope;
}
else if (e.ClickCount == 2 && (item is OverlayNode))
{
overlay.JumpToSourceDoIt(item);
}
else if (item is OverlayShape)
{
// initiate a drag/drop operation
curDragged = (OverlayShape)item;
DragOrigin = (Point)((new Point(item.View.GetLeft(), item.View.GetBottom())) - p); ////e.GetPosition(item);
////DragOrigin = new Point(DragOrigin.X, (item as OverlayShape).Height - DragOrigin.Y);
DragOriginC = p;
DragOriginO = new Point(curDragged.View.GetLeft(), curDragged.View.GetBottom());
movedenough = false;
//MessageBox.Show(o.ToString());
// select the clicked shape
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
{
if (!ToggleItem(curDragged))
{
// unselected -> start no drag operation
curDragged = null;
}
}
else
{
AddItem(curDragged, !IsItemSelected(curDragged));
}
// adjust raster origin/scale/polar/cartesian
overlay.SetCorrectRaster(curDragged);
// capture mouse. this is important if the user drags sth. outside canvas1's bounds
if (curDragged != null)
{
overlay.MouseCaptured = true;
}
}
else if (item == null)
{
BeginSelectionChange(overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control));
// display selection rectangle
SelectionRectOrigin = overlay.CursorPosition;
//SelectionRect.RenderTransform = new TranslateTransform(SelectionRectOrigin.X, SelectionRectOrigin.Y);
SelectionRect.SetPosition(SelectionRectOrigin.X, SelectionRectOrigin.Y, 0, 0);
////Canvas.SetLeft(SelectionRect, SelectionRectOrigin.X);
////Canvas.SetTop(SelectionRect, SelectionRectOrigin.Y);
////SelectionRect.Width = 0;
////SelectionRect.Height = 0;
////Canvas.SetZIndex(SelectionRect, overlay.canvas.Children.Count);
////if (!overlay.canvas.Children.Contains(SelectionRect))
//// overlay.canvas.Children.Add(SelectionRect);
////SelectionRect.Visibility = System.Windows.Visibility.Visible;
SelectionRect.Visible = true;
overlay.MouseCaptured = true;
}
}
/// <summary>
/// LeftMouseButtonUp event, forwarded from the overlay control.
/// </summary>
/// <param name="p"></param>
/// <param name="e"></param>
public virtual void OnLeftMouseButtonUp(Point p, TEMouseArgs e) { }
/// <summary>
/// Set e.Handled if you want to turn off the default handling... like opening the context menu etc.
/// </summary>
/// <param name="item">The item on which the event occurred.</param>
/// <param name="p">The cursor position, in BOTTOM LEFT CENTERED pixel coordinates.</param>
///
public virtual void OnRightMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
}
/// <summary>
/// MouseMove event, forwarded from the overlay control.
/// </summary>
/// <param name="p"></param>
///
public virtual void OnMouseMove(Point p, TEMouseArgs e)
{
}
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();
}
public override void OnRightMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
//base.OnRightMouseButtonDown(item, p, e);
// if a node is selected, unselect it
if (curSel != null)
{
curSel = null;
e.Handled = true; // we don't want anything else to happen (contextmenu opening etc)
}
}
public override void OnLeftMouseButtonUp(Point p, TEMouseArgs e)
{
if (PreviewArc.Spokes == null)
{
SetCursorDefault();
return;
}
PreviewArc.Visible = false;
// adjust position of dragged item (in parsetree)
if (curDragged != null && movedenough && curDragged.item is Tikz_XYItem)
{
overlay.BeginUpdate();
// determine the relative shift
Vector relshift = new Vector(curDragged.Center.X - DragOriginO.X, curDragged.Center.Y - DragOriginO.Y);
Vector relshift_tikz = relshift / overlay.Resolution;
// compute new radius
Point pold;
(curDragged.item as Tikz_XYItem).GetAbsPos(out pold);
Point pnew = pold + relshift_tikz;
double Rnew = (pnew - center_tikz).Length;
// adjust all position accordingly...
for (int i=0;i<nodesOnArc.Count;i++)
{
Point newp = center_tikz + Rnew * (new Vector(Math.Cos(PreviewArc.Spokes[i]), Math.Sin(PreviewArc.Spokes[i])));
if (i == 0)
{
nodesOnArc[i].SetAbsPos(newp);
}
else
{
//if (nodesOnArc[i] == curDragged.item)
//(nodesOnArc[i] as Tikz_Arc).SetAbsPosRandPhi2(Rnew, PreviewArc.Spokes[i]);
(nodesOnArc[i] as Tikz_Arc).SetFromPoints(center_tikz, newp, PreviewArc.Spokes[i-1], PreviewArc.Spokes[i]);
//else
// (nodesOnArc[i] as Tikz_Arc).SetAbsPosOnlyR(newp);
}
nodesOnArc[i].UpdateText();
}
// set first angle of arc segment directly after curDragged
//if (curDraggedInd + 1 < nodesOnArc.Count)
//{
// (nodesOnArc[curDraggedInd + 1] as Tikz_Arc).SetAbsPosRandPhi1(pnew);
//}
// ShiftSelItemsInParseTree(relshift_tikz, overlay.TopLevelItems);
/*
Point pp = new Point(Canvas.GetLeft(curDragged) + curDragged.Width / 2, Canvas.GetBottom(curDragged) + curDragged.Height / 2);
pp = ScreenToTikz(pp);
if (curDragged is OverlayNode)
{
(curDragged as OverlayNode).tikzitem.SetAbsPos(pp);
(curDragged as OverlayNode).tikzitem.UpdateText();
}
else if (curDragged is OverlayScope)
{
Point pdiff = new Point(e.GetPosition(canvas1).X - DragOriginC.X, e.GetPosition(canvas1).Y - DragOriginC.Y);
pdiff = rasterizer.RasterizePixel(pdiff);
double xs = pdiff.X / Resolution, ys = -pdiff.Y / Resolution;
curDragged.ShiftItemRelative(pdiff);
}*/
// update all item's positions
overlay.DisplayTree.AdjustPositions();
curDragged = null;
PreviewArc.Spokes = null;
overlay.EndUpdate();
}
else if (curDragged != null && curDragged.item is Tikz_XYItem)
{ //if not movedenough, reset all "moving variables" anyways
curDragged = null;
PreviewArc.Spokes = null;
}
}
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();
}
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();
}
public override void OnMouseMove(Point p, TEMouseArgs e)
{
Point mousep = overlay.CursorPosition;
if (SelectionRect.Visible)
{
// update the size of the selection rect
double x = Math.Min(mousep.X, SelectionRectOrigin.X),
y = Math.Min(mousep.Y, SelectionRectOrigin.Y);
//SelectionRect.RenderTransform = new TranslateTransform(x, y);
////Canvas.SetLeft(SelectionRect, x);
////Canvas.SetTop(SelectionRect, y);
////SelectionRect.Width = Math.Abs(mousep.X - SelectionRectOrigin.X);
////SelectionRect.Height = Math.Abs(mousep.Y - SelectionRectOrigin.Y);
SelectionRect.SetPosition(x, y, Math.Abs(mousep.X - SelectionRectOrigin.X), Math.Abs(mousep.Y - SelectionRectOrigin.Y));
// update current selection
Rect selr = SelectionRect.GetBB();////System.Windows.Controls.Primitives.LayoutInformation.GetLayoutSlot(SelectionRect); // this is BB of selection rect
UpdateSelection(selr, overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control));
}
// start a drag operation only after the mouse moved at least xx pixels to avoid accidental moving
if ((DragOriginC - p).Length > 5)
movedenough = true;
// for a dragged scope, the relative movement gets rasterized
// for a dragged node, the center of the node gets rasterized
if (curDragged != null && e.LeftButtonPressed && movedenough)
{
if (curDragged is OverlayScope)
{
// total shift
Point relshift_pixel = new Point(p.X - DragOriginC.X, p.Y - DragOriginC.Y);
relshift_pixel = overlay.Rasterizer.RasterizePixelRelative(relshift_pixel);
// shift yet to be done
Vector relshift_tobedone = (Vector)(DragOriginO + (relshift_pixel - curDragged.Center));
ShiftSelItemsOnScreen(relshift_tobedone);
}
else if (curDragged is OverlayNode)
{
// use width instead actual width
////Point center_pixel = new Point(p.X - DragOrigin.X + curDragged.Width / 2,
//// p.Y - DragOrigin.Y + curDragged.Height / 2);
Point center_pixel = new Point(p.X - DragOrigin.X,
p.Y - DragOrigin.Y);
// the center pixel of the node should go here
center_pixel = overlay.Rasterizer.RasterizePixel(center_pixel);
// shift yet to be done
Vector relshift_tobedone = center_pixel - curDragged.Center;
ShiftSelItemsOnScreen(relshift_tobedone);
}
}
}
public override void OnLeftMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e)
{
if (e.ClickCount == 2 && (item is OverlayScope)) // Select for editing
{
overlay.CurEditing = item as OverlayScope;
}
else if (e.ClickCount == 2 && (item is OverlayNode))
{
overlay.JumpToSourceDoIt(item);
}
else if (item is OverlayShapeVM)
{
// initiate a drag/drop operation
curDragged = (OverlayShapeVM)item;
DragOrigin = (Point)(item.Center - p); ////e.GetPosition(item);
////DragOrigin = new Point(DragOrigin.X, (item as OverlayShape).Height - DragOrigin.Y);
DragOriginC = p;
DragOriginO = curDragged.Center;
movedenough = false;
//MessageBox.Show(o.ToString());
// select the clicked shape
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
{
if (!ToggleItem(curDragged))
{
// unselected -> start no drag operation
curDragged = null;
}
}
else
{
AddItem(curDragged, !IsItemSelected(curDragged));
}
// adjust raster origin/scale/polar/cartesian
overlay.SetCorrectRaster(curDragged);
// capture mouse. this is important if the user drags sth. outside canvas1's bounds
if (curDragged != null)
overlay.MouseCaptured = true;
}
else if (item == null)
{
BeginSelectionChange(overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control));
// display selection rectangle
SelectionRectOrigin = overlay.CursorPosition;
//SelectionRect.RenderTransform = new TranslateTransform(SelectionRectOrigin.X, SelectionRectOrigin.Y);
SelectionRect.SetPosition(SelectionRectOrigin.X, SelectionRectOrigin.Y,0,0);
////Canvas.SetLeft(SelectionRect, SelectionRectOrigin.X);
////Canvas.SetTop(SelectionRect, SelectionRectOrigin.Y);
////SelectionRect.Width = 0;
////SelectionRect.Height = 0;
////Canvas.SetZIndex(SelectionRect, overlay.canvas.Children.Count);
////if (!overlay.canvas.Children.Contains(SelectionRect))
//// overlay.canvas.Children.Add(SelectionRect);
////SelectionRect.Visibility = System.Windows.Visibility.Visible;
SelectionRect.Visible = true;
overlay.MouseCaptured = true;
}
}
/// <summary>
/// MouseMove event, forwarded from the overlay control.
/// </summary>
/// <param name="p"></param>
///
public virtual void OnMouseMove(Point p, TEMouseArgs e) { }
/// <summary>
/// Set e.Handled if you want to turn off the default handling... like opening the context menu etc.
/// </summary>
/// <param name="item">The item on which the event occurred.</param>
/// <param name="p">The cursor position, in BOTTOM LEFT CENTERED pixel coordinates.</param>
///
public virtual void OnRightMouseButtonDown(OverlayShapeVM item, Point p, TEMouseArgs e) { }
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 OnMouseMove(Point p, TEMouseArgs e)
{
Point mousep = overlay.CursorPosition;
// start a drag operation only after the mouse moved at least xx pixels to avoid accidental moving
if ((DragOriginC - p).Length > 5)
movedenough = true;
// for a dragged scope, the relative movement gets rasterized
// for a dragged node, the center of the node gets rasterized
if (curDragged != null && e.LeftButtonPressed && movedenough)
{
if (curDragged is OverlayScope)
{
}
else if (curDragged is OverlayNode)
{
// use width instead actual width
Point center_pixel = new Point(p.X - DragOrigin.X ,
p.Y - DragOrigin.Y );
// the center pixel of the node should go here
center_pixel = overlay.Rasterizer.RasterizePixel(center_pixel);
// shift yet to be done
Point relshift_tobedone = new Point(
center_pixel.X - curDragged.Center.X,
center_pixel.Y - curDragged.Center.Y
);
//ShiftSelItemsOnScreen(relshift_tobedone);
curDragged.Center = center_pixel;
AdjustPreviewPos(center_pixel);
}
}
}
public override void OnLeftMouseButtonDown(OverlayShape 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();
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.type = overlay.UsePolarCoordinates ? Tikz_CoordType.Polar : Tikz_CoordType.Cartesian;
if (!lcreated)
tc.deco = overlay.NewNodeModifier; // first node should always be in absolute coordinates
tc.SetAbsPos(new Point(p.X, p.Y)); //hack
// if a nonempty node style is selected, also add a node with that style
if (overlay.NodeStyle.Trim() != "")
{
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();
}
/// <summary>
/// This method is called when the tool is active and the appropriate mouse event occurs.
///
/// </summary>
/// <param name="item">The item at cursor position.</param>
/// <param name="p">The cursor position, in BOTTOM LEFT CENTERED pixel coordinates.</param>
/// <param name="e"></param>
public virtual void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e) { }
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
// initiate drawing process
Point mousep = overlay.Rasterizer.RasterizePixel(p);
origin = new Point(mousep.X, overlay.Height - mousep.Y);
if (IsReferenceable(item))
originRef = item;
else
originRef = null;
PreviewEllipse.SetPosition(origin.X,origin.Y,0,0);
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform) * 180 / Math.PI;
PreviewEllipse.Rotation = angle;
PreviewEllipse.Visible = true;
overlay.MouseCaptured = true;
}
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)
{
if (PreviewArc.Spokes == null)
{
SetCursorDefault();
return;
}
PreviewArc.Visible = false;
// adjust position of dragged item (in parsetree)
if (curDragged != null && movedenough && curDragged.item is Tikz_XYItem)
{
overlay.BeginUpdate();
// determine the relative shift
Vector relshift = new Vector(curDragged.Center.X - DragOriginO.X, curDragged.Center.Y - DragOriginO.Y);
Vector relshift_tikz = relshift / overlay.Resolution;
// compute new radius
Point pold;
(curDragged.item as Tikz_XYItem).GetAbsPos(out pold);
Point pnew = pold + relshift_tikz;
double Rnew = (pnew - center_tikz).Length;
// adjust all position accordingly...
for (int i = 0; i < nodesOnArc.Count; i++)
{
Point newp = center_tikz + Rnew * (new Vector(Math.Cos(PreviewArc.Spokes[i]), Math.Sin(PreviewArc.Spokes[i])));
if (i == 0)
{
nodesOnArc[i].SetAbsPos(newp);
}
else
{
//if (nodesOnArc[i] == curDragged.item)
//(nodesOnArc[i] as Tikz_Arc).SetAbsPosRandPhi2(Rnew, PreviewArc.Spokes[i]);
(nodesOnArc[i] as Tikz_Arc).SetFromPoints(center_tikz, newp, PreviewArc.Spokes[i - 1], PreviewArc.Spokes[i]);
//else
// (nodesOnArc[i] as Tikz_Arc).SetAbsPosOnlyR(newp);
}
nodesOnArc[i].UpdateText();
}
// set first angle of arc segment directly after curDragged
//if (curDraggedInd + 1 < nodesOnArc.Count)
//{
// (nodesOnArc[curDraggedInd + 1] as Tikz_Arc).SetAbsPosRandPhi1(pnew);
//}
// ShiftSelItemsInParseTree(relshift_tikz, overlay.TopLevelItems);
/*
* Point pp = new Point(Canvas.GetLeft(curDragged) + curDragged.Width / 2, Canvas.GetBottom(curDragged) + curDragged.Height / 2);
* pp = ScreenToTikz(pp);
* if (curDragged is OverlayNode)
* {
* (curDragged as OverlayNode).tikzitem.SetAbsPos(pp);
* (curDragged as OverlayNode).tikzitem.UpdateText();
*
* }
* else if (curDragged is OverlayScope)
* {
* Point pdiff = new Point(e.GetPosition(canvas1).X - DragOriginC.X, e.GetPosition(canvas1).Y - DragOriginC.Y);
* pdiff = rasterizer.RasterizePixel(pdiff);
*
* double xs = pdiff.X / Resolution, ys = -pdiff.Y / Resolution;
*
* curDragged.ShiftItemRelative(pdiff);
* }*/
// update all item's positions
overlay.DisplayTree.AdjustPositions();
curDragged = null;
PreviewArc.Spokes = null;
overlay.EndUpdate();
}
else if (curDragged != null && curDragged.item is Tikz_XYItem)
{ //if not movedenough, reset all "moving variables" anyways
curDragged = null;
PreviewArc.Spokes = null;
}
}
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 override void OnLeftMouseButtonDown(OverlayShape 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();
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.type = overlay.UsePolarCoordinates ? Tikz_CoordType.Polar : Tikz_CoordType.Cartesian;
if (!lcreated)
{
tc.deco = overlay.NewNodeModifier; // first node should always be in absolute coordinates
}
tc.SetAbsPos(new Point(p.X, p.Y)); //hack
// if a nonempty node style is selected, also add a node with that style
if (overlay.NodeStyle.Trim() != "")
{
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();
}
}
/// <summary>
/// LeftMouseButtonUp event, forwarded from the overlay control.
/// </summary>
/// <param name="p"></param>
/// <param name="e"></param>
public virtual void OnLeftMouseButtonUp(Point p, TEMouseArgs e)
{
}
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;
}
}
/// <summary>
/// This method is called when the tool is active and the appropriate mouse event occurs.
///
/// </summary>
/// <param name="item">The item at cursor position.</param>
/// <param name="p">The cursor position, in BOTTOM LEFT CENTERED pixel coordinates.</param>
/// <param name="e"></param>
public virtual void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
}
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
{
GlobalUI.UI.AddStatusLine(this, "Warning: Couldn't compute tranform at insertion position. Coordinates might be wrong.", true);
}
width = Math.Round(width, (int)CompilerSettings.Instance.RoundToDecimals);
height = Math.Round(height, (int)CompilerSettings.Instance.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 OnMouseMove(Point p, TEMouseArgs e)
{
base.OnMouseMove(p, e);
//Point mousep = e.GetPosition(overlay.canvas);
Point mousep = overlay.Rasterizer.RasterizePixel(p);
////mousep = new Point(mousep.X, overlay.canvas.ActualHeight - mousep.Y);
mousep = new Point(mousep.X, overlay.Height - mousep.Y);
if (PreviewEllipse.Visible)
{
// compute rotated diagonal
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform);
//TikzMatrix R
TikzMatrix R = TikzMatrix.RotationMatrix(-angle);
Vector newdiag = R.Transform(mousep - origin);
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);
R = R.Inverse();
Point topleft = origin + R.Transform(new Vector(-width, -height));
PreviewEllipse.SetPosition(topleft.X, topleft.Y, 2 * width, 2 * height);
}
}
public override void OnLeftMouseButtonUp(Point p, TEMouseArgs e)
{
if (SelectionRect.Visible)
{
SelectionRect.Visible = false;
}
// adjust position of dragged item (in parsetree)
if (curDragged != null && movedenough)
{
overlay.BeginUpdate();
// determine the relative shift
Vector relshift = curDragged.Center - DragOriginO;
Vector relshift_tikz = relshift / overlay.Resolution;
ShiftSelItemsInParseTree(relshift_tikz, overlay.DisplayTree.TopLevelItems);
/*
Point pp = new Point(Canvas.GetLeft(curDragged) + curDragged.Width / 2, Canvas.GetBottom(curDragged) + curDragged.Height / 2);
pp = ScreenToTikz(pp);
if (curDragged is OverlayNode)
{
(curDragged as OverlayNode).tikzitem.SetAbsPos(pp);
(curDragged as OverlayNode).tikzitem.UpdateText();
}
else if (curDragged is OverlayScope)
{
Point pdiff = new Point(e.GetPosition(canvas1).X - DragOriginC.X, e.GetPosition(canvas1).Y - DragOriginC.Y);
pdiff = rasterizer.RasterizePixel(pdiff);
double xs = pdiff.X / Resolution, ys = -pdiff.Y / Resolution;
curDragged.ShiftItemRelative(pdiff);
}*/
// update all item's positions
overlay.DisplayTree.AdjustPositions();
// update raster in case it has changed
overlay.SetCorrectRaster(curDragged);
curDragged = null;
overlay.EndUpdate();
}
}
public override void OnLeftMouseButtonDown(OverlayShape item, Point p, TEMouseArgs e)
{
if (!EnsureParseTreeExists())
return;
overlay.BeginUpdate();
overlay.SetCorrectRaster(overlay.CurEditing, true);
//Point p = new Point(e.GetPosition(canvas1).X, Height - e.GetPosition(canvas1).Y);
p = overlay.Rasterizer.RasterizePixelToTikz(p);
if (ContinueWithBigImage(p) == false)
return;
// find next tikzpicture and add
Parser.Tikz_Picture tpict = overlay.ParseTree.GetTikzPicture();
if (tpict != null)
{
Parser.Tikz_Node tn = new Parser.Tikz_Node();
tn.label = "";
tn.coord = new Parser.Tikz_Coord();
if (overlay.NodeStyle != "")
tn.options = "[" + overlay.NodeStyle + "]";
Parser.Tikz_Path tp = new Parser.Tikz_Path();
tp.starttag = @"\node ";
tp.endtag = ";";
tp.AddChild(tn);
if (overlay.CurEditing != null)
{
overlay.CurEditing.tikzitem.AddChild(tp);
overlay.CurEditing.tikzitem.AddChild(new Parser.Tikz_Something("\r\n"));
}
else
{
tpict.AddChild(tp);
tpict.AddChild(new Parser.Tikz_Something("\r\n"));
}
// do it here since the coordinate calculation needs the parents' coord. transform
tn.SetAbsPos(new Point(p.X, p.Y)); //hack
//tn.UpdateText();
tp.UpdateText();
//tpict.UpdateText();
//RedrawObjects();
overlay.AddToDisplayTree(tp);
}
overlay.EndUpdate();
}
Tikz_Option smoothOption; // this has to be changed to smooth cycle for closed curve
public override void OnLeftMouseButtonDown(OverlayShape 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 override void OnMouseMove(Point p, TEMouseArgs e)
{
base.OnMouseMove(p, e);
//Point mousep = e.GetPosition(overlay.canvas);
Point mousep = overlay.Rasterizer.RasterizePixel(p);
////mousep = new Point(mousep.X, overlay.canvas.ActualHeight - mousep.Y);
mousep = new Point(mousep.X, overlay.Height - mousep.Y);
if (PreviewRect.Visible)
{
// compute rotated diagonal
double angle = -Helper.RotationFromMatrix(overlay.Rasterizer.View.CoordinateTransform);
TikzMatrix R =TikzMatrix.RotationMatrix(-angle);
Vector newdiag = R.Transform(mousep-origin);
// update the size and position of the preview rect
double width, height;
if (overlay.KeyboardModifiers.HasFlag(TEModifierKeys.Control))
{
// both sides the same
width = height = Math.Max(Math.Abs(newdiag.X), Math.Abs(newdiag.Y));
newdiag = new Vector(Math.Sign(newdiag.X) * width, Math.Sign(newdiag.Y) * height);
}
else
{
width = Math.Abs(newdiag.X);
height = Math.Abs(newdiag.Y);
}
R = R.Inverse();
Point topleft = origin + R.Transform( new Vector(Math.Min(0, newdiag.X), Math.Min(0, newdiag.Y)) );
//double x = (newdiag.X<0 ? mousep.X : origin.X),
// y = (newdiag.Y<0 ? mousep.Y : origin.Y);
//SelectionRect.RenderTransform = new TranslateTransform(x, y);
PreviewRect.SetPosition(topleft.X, topleft.Y, width, height);
}
}
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;
}
OverlayShapeVM 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 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();
}
