From 8bb95fe13ab4a36335f43c5633243b777d4ddbad Mon Sep 17 00:00:00 2001
From: johanengelen <johanengelen@users.sourceforge.net>
Date: Tue, 6 Nov 2007 18:57:10 +0000
Subject: [PATCH] * UI text change "Curve stitching" to "Stitch subcurves" *
 add better default strokepath for stitch subcurves

---
 src/live_effects/effect.cpp          |  2 +-
 src/live_effects/lpe-curvestitch.cpp | 33 ++++++++++++++++++++++++++--
 src/live_effects/lpe-curvestitch.h   |  8 ++++---
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
index a1cb355a4..77e89ddf4 100644
--- a/src/live_effects/effect.cpp
+++ b/src/live_effects/effect.cpp
@@ -50,7 +50,7 @@ const Util::EnumData<EffectType> LPETypeData[INVALID_LPE] = {
     {DOEFFECTSTACK_TEST,    N_("doEffect stack test"),   "doeffectstacktest"},
 #endif
     {GEARS,                 N_("Gears"),                 "gears"},
-    {CURVE_STITCH,          N_("Curve stitching"),       "curvestitching"},
+    {CURVE_STITCH,          N_("Stitch subcurves"),      "curvestitching"},
 };
 const Util::EnumDataConverter<EffectType> LPETypeConverter(LPETypeData, INVALID_LPE);
 
diff --git a/src/live_effects/lpe-curvestitch.cpp b/src/live_effects/lpe-curvestitch.cpp
index c39277727..0268cec33 100644
--- a/src/live_effects/lpe-curvestitch.cpp
+++ b/src/live_effects/lpe-curvestitch.cpp
@@ -1,4 +1,4 @@
-#define INKSCAPE_LPE_EXPRESSION_CPP
+#define INKSCAPE_LPE_CURVESTITCH_CPP
 /** \file
  * SVG <skeleton> implementation, used as an example for a base starting class
  * when implementing new LivePathEffects.
@@ -16,6 +16,9 @@
 #include "live_effects/lpe-curvestitch.h"
 #include "display/curve.h"
 #include <libnr/n-art-bpath.h>
+#include "sp-item.h"
+#include "sp-path.h"
+#include "live_effects/n-art-bpath-2geom.h"
 
 #include <2geom/path.h>
 #include <2geom/piecewise.h>
@@ -37,7 +40,7 @@ using namespace Geom;
 
 LPECurveStitch::LPECurveStitch(LivePathEffectObject *lpeobject) :
     Effect(lpeobject),
-    strokepath(_("Stroke path"), _("The path that will be stroked, whatever, think of good text here."), "strokepath", &wr, this, "M0,0 L1,0"),
+    strokepath(_("Stroke path"), _("The path that will be used as stitch."), "strokepath", &wr, this, "M0,0 L1,0"),
     nrofpaths(_("Nr of paths"), _("The number of paths that will be generated."), "count", &wr, this, 5),
     startpoint_variation(_("Startpoint variation"), _("..."), "startpoint_variation", &wr, this, 0),
     endpoint_variation(_("Endpoint variation"), _("..."), "endpoint_variation", &wr, this, 0),
@@ -120,6 +123,32 @@ LPECurveStitch::doEffect (std::vector<Geom::Path> & path_in)
     }
 }
 
+void
+LPECurveStitch::resetDefaults(SPItem * item)
+{
+    if (!SP_IS_PATH(item)) return;
+
+    using namespace Geom;
+
+    // set the stroke path to run horizontally in the middle of the bounding box of the original path
+    Piecewise<D2<SBasis> > pwd2;
+    std::vector<Path> temppath = SVGD_to_2GeomPath( SP_OBJECT_REPR(item)->attribute("inkscape:original-d"));
+    for (unsigned int i=0; i < temppath.size(); i++) {
+        pwd2.concat( temppath[i].toPwSb() );
+    }
+
+    D2<Piecewise<SBasis> > d2pw = make_cuts_independant(pwd2);
+    Interval bndsX = bounds_exact(d2pw[0]);
+    Interval bndsY = bounds_exact(d2pw[1]);
+    Point start(bndsX.min(), (bndsY.max()+bndsY.min())/2);
+    Point end(bndsX.max(), (bndsY.max()+bndsY.min())/2);
+
+    Geom::Path path;
+    path.start( start );
+    path.appendNew<Geom::LineSegment>( end );
+    strokepath.param_set_and_write_new_value( path.toPwSb() );
+}
+
 } //namespace LivePathEffect
 } /* namespace Inkscape */
 
diff --git a/src/live_effects/lpe-curvestitch.h b/src/live_effects/lpe-curvestitch.h
index ce7ad583c..db09a34ee 100644
--- a/src/live_effects/lpe-curvestitch.h
+++ b/src/live_effects/lpe-curvestitch.h
@@ -1,5 +1,5 @@
-#ifndef INKSCAPE_LPE_EXPRESSION_H
-#define INKSCAPE_LPE_EXPRESSION_H
+#ifndef INKSCAPE_LPE_CURVESTITCH_H
+#define INKSCAPE_LPE_CURVESTITCH_H
 
 /** \file
  * Implementation of an effect similar to Expression, see lpe-expression.cpp
@@ -28,7 +28,9 @@ public:
     LPECurveStitch(LivePathEffectObject *lpeobject);
     virtual ~LPECurveStitch();
 
-    std::vector<Geom::Path> doEffect (std::vector<Geom::Path> & path_in);
+    virtual std::vector<Geom::Path> doEffect (std::vector<Geom::Path> & path_in);
+
+    virtual void resetDefaults(SPItem * item);
 
 private:
     PathParam strokepath;
-- 
2.30.2