Support some more SVG stuff.

Can now get a dodgy, slightly hacked bit of gnuplot output to
render.

diff --git a/src/document.cpp b/src/document.cpp
index 9cb5aa8..dab0868 100644 (file)
--- a/src/document.cpp
+++ b/src/document.cpp
@@ -540,9 +540,9 @@ void Document::ParseSVGPathData(const string & d, const SVGMatrix & transform)
        
        bool start = false;
        
-       static string delims("()[],{}<>;:=LlmMqQzZcC");
+       static string delims("()[],{}<>;:=LlHhVvmMqQzZcC");
        
-       while (i < d.size() && GetToken(d, token, i).size() > 0)
+       while (i < d.size() && GetToken(d, token, i, delims).size() > 0)
        {
                if (isalpha(token[0]))
                        command = token;
@@ -620,16 +620,32 @@ void Document::ParseSVGPathData(const string & d, const SVGMatrix & transform)
 
                        
                }
-               else if (command == "l" || command == "L")
+               else if (command == "l" || command == "L" || command == "h" || command == "H" || command == "v" || command == "V")
                {
                        Debug("Construct lineto command, relative %d", relative);
                
                        Real dx = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
-                       assert(GetToken(d,token,i,delims) == ",");
-                       Real dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+                       Real dy;
+                       if (command == "l" || command == "L")
+                       {
+                               assert(GetToken(d,token,i,delims) == ",");
+                               dy = Real(strtod(GetToken(d,token,i,delims).c_str(),NULL));
+                       }
+                       else if (command == "v" || command == "V")
+                       {
+                               swap(dx,dy);
+                       }
                        
                        x[1] = (relative) ? x[0] + dx : dx;
                        y[1] = (relative) ? y[0] + dy : dy;
+                       if (command == "v" || command == "V")
+                       {
+                               x[1] = x[0];
+                       }
+                       else if (command == "h" || command == "H")
+                       {
+                               y[1] = y[0];
+                       }
                        
                        Real x1(x[1]);
                        Real y1(y[1]);