From 117336bcc334c1d380b7592f1639c1a586a28559 Mon Sep 17 00:00:00 2001
From: johanengelen <johanengelen@users.sourceforge.net>
Date: Sat, 12 Jul 2008 14:45:33 +0000
Subject: [PATCH] enable writing "H/h" and "V/v" to SVG !

---
 src/svg/path-string.cpp | 10 ++++++++++
 src/svg/path-string.h   | 20 ++++++++++++++++----
 src/svg/svg-path.cpp    |  7 ++++---
 3 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/src/svg/path-string.cpp b/src/svg/path-string.cpp
index 39d66d74e..68fcb26d8 100644
--- a/src/svg/path-string.cpp
+++ b/src/svg/path-string.cpp
@@ -84,6 +84,11 @@ void Inkscape::SVG::PathString::State::append(NR::Point p, NR::Point &rp) {
     appendCoord(str, p[NR::Y], rp[NR::Y]);
 }
 
+void Inkscape::SVG::PathString::State::append(NR::Coord v, NR::Coord& rv) {
+    str += ' ';
+    appendCoord(str, v, rv);
+}
+
 // NOTE: The following two appendRelative methods will not be exact if the total number of digits needed
 // to represent the difference exceeds the precision of a double. This is not very likely though, and if
 // it does happen the imprecise value is not likely to be chosen (because it will probably be a lot longer
@@ -138,6 +143,11 @@ void Inkscape::SVG::PathString::State::appendRelative(NR::Point p, NR::Point r)
     appendRelativeCoord(str, p[NR::Y], r[NR::Y]);
 }
 
+void Inkscape::SVG::PathString::State::appendRelative(NR::Coord v, NR::Coord r) {
+    str += ' ';
+    appendRelativeCoord(str, v, r);
+}
+
 /*
   Local Variables:
   mode:c++
diff --git a/src/svg/path-string.h b/src/svg/path-string.h
index 39d6d3f07..bba4c8473 100644
--- a/src/svg/path-string.h
+++ b/src/svg/path-string.h
@@ -65,6 +65,18 @@ public:
         return *this;
     }
 
+    PathString &horizontalLineTo(NR::Coord x) {
+        _appendOp('H','h');
+        _appendX(x, true);
+        return *this;
+    }
+
+    PathString &verticalLineTo(NR::Coord y) {
+        _appendOp('V','v');
+        _appendY(y, true);
+        return *this;
+    }
+
     PathString &quadTo(NR::Coord cx, NR::Coord cy, NR::Coord x, NR::Coord y) {
         return quadTo(NR::Point(cx, cy), NR::Point(x, y));
     }
@@ -129,7 +141,7 @@ private:
         _abs_state.append(p);
         _rel_state.append(p);
     }
-/*
+
     void _appendX(NR::Coord x, bool sc) {
         double rx;
         _abs_state.append(x, rx);
@@ -142,7 +154,7 @@ private:
         _abs_state.append(y, ry);
         _rel_state.appendRelative(ry, _current_point[NR::Y]);
         if (sc) _current_point[NR::Y] = ry;
-    }*/
+    }
 
     void _appendPoint(NR::Point p, bool sc) {
         NR::Point rp;
@@ -167,9 +179,9 @@ private:
 
         void append(NR::Coord v);
         void append(NR::Point v);
-        //void append(NR::Coord v, NR::Coord& rv);
+        void append(NR::Coord v, NR::Coord& rv);
         void append(NR::Point p, NR::Point& rp);
-        //void appendRelative(NR::Coord v, NR::Coord r);
+        void appendRelative(NR::Coord v, NR::Coord r);
         void appendRelative(NR::Point p, NR::Point r);
 
         bool operator<=(const State& s) const {
diff --git a/src/svg/svg-path.cpp b/src/svg/svg-path.cpp
index 3deb6105c..a57b9248c 100644
--- a/src/svg/svg-path.cpp
+++ b/src/svg/svg-path.cpp
@@ -762,11 +762,12 @@ static void sp_svg_write_curve(Inkscape::SVG::PathString & str, Geom::Curve cons
                    svg_elliptical_arc->rotation_angle(),
                    svg_elliptical_arc->large_arc_flag(), svg_elliptical_arc->sweep_flag(),
                    svg_elliptical_arc->finalPoint() );
-/*    else if(Geom::HLineSegment const *hline_segment = dynamic_cast<Geom::HLineSegment const  *>(c)) {
-        str.horizontalLineTo( ... );
+    }
+    else if(Geom::HLineSegment const *hline_segment = dynamic_cast<Geom::HLineSegment const  *>(c)) {
+        str.horizontalLineTo( hline_segment->finalPoint()[0] );
     }
     else if(Geom::VLineSegment const *vline_segment = dynamic_cast<Geom::VLineSegment const  *>(c)) {
-        str.verticalLineTo( ... ); */
+        str.verticalLineTo( vline_segment->finalPoint()[1] );
     } else { 
         //this case handles sbasis as well as all other curve types
         Geom::Path sbasis_path = Geom::cubicbezierpath_from_sbasis(c->toSBasis(), 0.1);
-- 
2.30.2