/// <summary>
/// The base curaddto only adds a \draw ;
/// We also need to add a plot coordinates { }
/// </summary>
/// <param name="created"></param>
/// <returns></returns>
protected override bool EnsureCurAddToExists(out bool created)
{
bool ret = base.EnsureCurAddToExists(out created);
if (!ret)
{
return(ret);
}
if (created)
{
curAddTo.AddChild(new Tikz_Something(" plot"));
Tikz_Options topts = new Tikz_Options();
topts.starttag = "[";
topts.endtag = "]";
smoothOption = topts.AddOption("smooth");
topts.AddOption("tension", ".7");
curAddTo.options = topts;
curAddTo.AddChild(topts);
curAddTo.AddChild(new Tikz_Something(" coordinates "));
Tikz_Path tp = new Tikz_Path();
tp.starttag = "{";
tp.endtag = "}";
curAddTo.AddChild(tp);
curAddTo = tp;
}
return(ret);
}
/// <summary>
/// Determines whether the object represented by the OverlayShape item can be
/// given a reference to. This is the case, e.g., for standard coordinates. It is
/// however not the case for the coordinates in a smooth curve.
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
protected bool IsReferenceable(OverlayShape item)
{
if (!(item is OverlayNode))
{
return(false);
}
Tikz_XYItem it = (item as OverlayNode).tikzitem;
// check whether item occurs in smooth curve
// we check whether the parent's parent has the word "coordinates" preceding the parent (this is a bit of a hack)
if (it is Tikz_Coord && (it.parent.parent is Tikz_Path))
{
Tikz_Path grandpa = it.parent.parent as Tikz_Path;
for (int i = grandpa.Children.IndexOf(it.parent) - 1; i > 0; i--)
{
if (!(grandpa.Children[i] is Tikz_Something))
{
break;
}
if (grandpa.Children[i].text.ToLower().Contains("coordinates"))
{
return(false);
}
}
}
return(true);
}
public void ParseTest2()
{
string code =
@"\begin{tikzpicture}
\draw (1,2) -- (3,3);
\end{tikzpicture}
";
Tikz_ParseTree actual = TikzParser.Parse(code);
Tikz_Picture tp = actual.GetTikzPicture();
Assert.AreEqual(0, tp.StartPosition());
Tikz_Path tpa = tp.Children.Find(tpi => tpi is Tikz_Path) as Tikz_Path;
Assert.AreEqual(21, tpa.StartPosition());
Tikz_Coord tc = tpa.Children.Find(tpi => tpi is Tikz_Coord) as Tikz_Coord;
Assert.AreEqual(1, tc.uX.number);
Assert.AreEqual(2, tc.uY.number);
Assert.AreEqual(27, tc.StartPosition());
}
public void SetCorrectRaster(TikzParseItem tpi, bool IsParent = false)
{
if (ParseTree == null)
{
return;
}
if (tpi == null)
{
Tikz_Picture tp = ParseTree.GetTikzPicture();
if (tp != null)
{
TikzMatrix M;
if (!tp.GetCurrentTransformAt(null, out M))
{
Rasterizer.View.CoordinateTransform = new TikzMatrix(); // if the program gets here, the global coord. transformation could not be understood->ovelay should display nothing
}
else
{
Rasterizer.View.CoordinateTransform = M;
}
//rasterizer.RasterOrigin = M.Transform(new Point(0, 0));
//rasterizer.RasterScale = M.m[1, 1];
Rasterizer.View.IsCartesian = !UsePolarCoordinates;
}
}
else if (tpi is Tikz_Scope)
{
Tikz_Scope ts = tpi as Tikz_Scope;
TikzMatrix M;
if (IsParent)
{
if (!ts.GetCurrentTransformAt(null, out M)) // todo
{
M = new TikzMatrix(); // broken coords-> take unity as backup
}
}
else
{
//if (!ts.parent.GetCurrentTransformAt(ts, out M))
// M = new TikzMatrix();
if (!ts.GetRasterTransform(out M))
{
M = new TikzMatrix();
}
}
Rasterizer.View.CoordinateTransform = M;
//rasterizer.RasterOrigin = M.Transform(new Point(0, 0));
//rasterizer.RasterScale = M.m[1, 1];
Rasterizer.View.IsCartesian = !IsParent || !UsePolarCoordinates;
}
else if (tpi is Tikz_XYItem)
{
Tikz_XYItem t = tpi as Tikz_XYItem;
Point offset;
if (t.GetAbsPos(out offset, true))
{
TikzMatrix M;
if (!t.parent.GetCurrentTransformAt(t, out M)) //.CloneIt();
{
M = new TikzMatrix();
}
M.m[0, 2] = offset.X;
M.m[1, 2] = offset.Y;
//rasterizer.RasterScale = M.m[1, 1];
Rasterizer.View.CoordinateTransform = M;
Rasterizer.View.IsCartesian = !(t.IsPolar());
}
else
{
throw new Exception("In PdfOverlay: Encountered drawn item without valid coordinates");
}
}
else if (tpi is Tikz_Path)
{
Tikz_Path ts = tpi as Tikz_Path;
TikzMatrix M;
if (IsParent)
{
Point curPointAtEnd;
if (!ts.GetCurrentTransformAt(null, out M)) // todo
{
M = new TikzMatrix(); // broken coords-> take unity as backup
}
if (ts.GetAbsOffset(out curPointAtEnd, null))
{
M.m[0, 2] = curPointAtEnd.X;
M.m[1, 2] = curPointAtEnd.Y;
}
}
else
{
if (!ts.parent.GetCurrentTransformAt(ts, out M))
{
M = new TikzMatrix();
}
//if (!ts.GetRasterTransform(out M))
// M = new TikzMatrix();
}
Rasterizer.View.CoordinateTransform = M;
//rasterizer.RasterOrigin = M.Transform(new Point(0, 0));
//rasterizer.RasterScale = M.m[1, 1];
Rasterizer.View.IsCartesian = !IsParent || !UsePolarCoordinates;
}
else
{
Debug.WriteLine("Error in SetCorrectRaster: unsupported type");//Rasterizer.IsCartesian = true; // should not get here
}
}
static bool FillItem(TikzContainerParseItem item, CommonTree t, CommonTokenStream tokens)
{
int curToken = t.TokenStartIndex;
if (item is Tikz_ParseTree)
{
curToken = 0; // for root, start at the beginning
}
if (t.Children == null)
{
return(false);
}
foreach (CommonTree childt in t.Children)
{
addSomething(item, tokens, curToken, childt.TokenStartIndex - 1);
switch (childt.Type)
{
case simpletikzParser.IM_PICTURE:
Tikz_Picture tp = new Tikz_Picture();
FillItem(tp, childt, tokens);
item.AddChild(tp);
break;
case simpletikzParser.IM_STARTTAG:
item.starttag = getTokensString(tokens, childt.TokenStartIndex, childt.TokenStopIndex);
break;
case simpletikzParser.IM_ENDTAG:
item.endtag = getTokensString(tokens, childt.TokenStartIndex, childt.TokenStopIndex);
break;
case simpletikzParser.IM_PATH:
Tikz_Path tpath = new Tikz_Path();
FillItem(tpath, childt, tokens);
item.AddChild(tpath);
break;
case simpletikzParser.IM_SCOPE:
Tikz_Scope tscope = new Tikz_Scope();
FillItem(tscope, childt, tokens);
item.AddChild(tscope);
break;
case simpletikzParser.IM_COORD:
Tikz_Coord tc = Tikz_Coord.FromCommonTree(childt, tokens);
tc.text = getTokensString(tokens, childt);
item.AddChild(tc);
break;
case simpletikzParser.IM_ARC:
Tikz_Arc ta = Tikz_Arc.FromCommonTree(childt, tokens);
ta.text = getTokensString(tokens, childt);
item.AddChild(ta);
break;
case simpletikzParser.IM_NODE:
Tikz_Node tn = Tikz_Node.FromCommonTree(childt, tokens);
tn.text = getTokensString(tokens, childt);
item.AddChild(tn);
break;
case simpletikzParser.IM_OPTION_KV:
case simpletikzParser.IM_OPTION_STYLE:
Tikz_Option topt = Tikz_Option.FromCommonTree(childt, tokens);
if (topt == null)
{
break;
}
//topt.text = getTokensString(tokens, childt);
String s = getTokensString(tokens, childt);
topt.text = s;
item.AddChild(topt);
break;
case simpletikzParser.IM_OPTIONS:
//Tikz_Options to = Tikz_Options.FromCommonTree(childt);
Tikz_Options to = new Tikz_Options();
FillItem(to, childt, tokens);
item.AddChild(to);
//to.text = getTokensString(tokens, childt);
//item.AddChild(tn);
if (item.options == null)
{
// determine whether option belongs to the item (e.g. \draw [this belongs to draw] blabla [thisnot])
// i.e., the scope of the options is the whole item's body
// this is hacky
if (item.Children.Count == 1 ||
(item.Children.Count == 2 && (item.Children[0] is Tikz_Something) &&
item.Children[0].ToString().Trim() == ""))
{
item.options = to;
}
}
break;
case simpletikzParser.IM_TIKZSET:
Tikz_Options to2 = new Tikz_Options();
FillItem(to2, childt, tokens);
item.AddChild(to2);
break;
case simpletikzParser.IM_STYLE:
Tikz_Option topt2 = Tikz_Option.FromCommonTree(childt, tokens);
//FillItem(to2, childt, tokens);
topt2.text = getTokensString(tokens, childt);
item.AddChild(topt2);
break;
case simpletikzParser.IM_CONTROLS:
Tikz_Controls tcontrols = new Tikz_Controls();
FillItem(tcontrols, childt, tokens);
item.AddChild(tcontrols);
break;
case simpletikzParser.IM_SIZE:
Tikz_Size tsize = Tikz_Size.FromCommonTree(childt, tokens);
tsize.text = getTokensString(tokens, childt);
item.AddChild(tsize);
//Tikz_Size tsize = new Tikz_Size();
//item.AddChild(tsize);
break;
//case simpletikzParser.ID:
//case simpletikzParser.IM_STRING:
//case simpletikzParser.COMMAND:
//case simpletikzParser.T__57:
// break;
case simpletikzParser.IM_TIKZEDT_CMD:
Tikz_EdtCommand cmd = new Tikz_EdtCommand(getTokensString(tokens, childt));
item.AddChild(cmd);
break;
case simpletikzParser.IM_DONTCARE:
Tikz_Something st = new Tikz_Something(getTokensString(tokens, childt));
item.AddChild(st);
break;
default:
// getting here is an error
throw new Exception(" childt.Type not handled! " + childt.Type.ToString() + " (\"" + getTokensString(tokens, childt) + "\")");
//break;
}
curToken = childt.TokenStopIndex + 1;
}
if (t.TokenStartIndex >= 0) // rule out empty code
{
addSomething(item, tokens, curToken, t.TokenStopIndex);
}
return(true);
}
