From a69e3ca5fcc8acacf862c577620d75f472d58cec Mon Sep 17 00:00:00 2001
From: johanengelen <johanengelen@users.sourceforge.net>
Date: Sun, 15 Mar 2009 22:10:43 +0000
Subject: [PATCH] correctly implement 'resetDefaults()' for LPEs. Now when
 applying an LPE, all default values are written to SVG. This greatly improves
 future compatibility.

---
 src/live_effects/effect.cpp            | 6 +++++-
 src/live_effects/effect.h              | 3 +++
 src/live_effects/lpe-bendpath.cpp      | 2 ++
 src/live_effects/lpe-curvestitch.cpp   | 2 ++
 src/live_effects/lpe-envelope.cpp      | 2 ++
 src/live_effects/lpe-interpolate.cpp   | 2 ++
 src/live_effects/lpe-lattice.cpp       | 2 ++
 src/live_effects/lpe-rough-hatches.cpp | 2 ++
 src/live_effects/lpe-vonkoch.cpp       | 2 ++
 9 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
index f67ee28a7..3cdb21d6a 100644
--- a/src/live_effects/effect.cpp
+++ b/src/live_effects/effect.cpp
@@ -647,7 +647,11 @@ Effect::editNextParamOncanvas(SPItem * item, SPDesktop * desktop)
 void
 Effect::resetDefaults(SPItem * /*item*/)
 {
-    // do nothing for simple effects
+    std::vector<Inkscape::LivePathEffect::Parameter *>::iterator p;
+    for (p = param_vector.begin(); p != param_vector.end(); ++p) {
+        (*p)->param_set_default();
+        (*p)->write_to_SVG();
+    }
 }
 
 void
diff --git a/src/live_effects/effect.h b/src/live_effects/effect.h
index ae42e358c..702036f14 100644
--- a/src/live_effects/effect.h
+++ b/src/live_effects/effect.h
@@ -85,6 +85,9 @@ public:
 
     virtual Gtk::Widget * newWidget(Gtk::Tooltips * tooltips);
 
+    /**
+     * Sets all parameters to their default values and writes them to SVG.
+     */
     virtual void resetDefaults(SPItem * item);
 
     virtual void setup_nodepath(Inkscape::NodePath::Path *np);
diff --git a/src/live_effects/lpe-bendpath.cpp b/src/live_effects/lpe-bendpath.cpp
index c3be57981..a820fe478 100644
--- a/src/live_effects/lpe-bendpath.cpp
+++ b/src/live_effects/lpe-bendpath.cpp
@@ -124,6 +124,8 @@ LPEBendPath::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd
 void
 LPEBendPath::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     original_bbox(SP_LPE_ITEM(item));
 
     Geom::Point start(boundingbox_X.min(), (boundingbox_Y.max()+boundingbox_Y.min())/2);
diff --git a/src/live_effects/lpe-curvestitch.cpp b/src/live_effects/lpe-curvestitch.cpp
index 2716e45d7..89fdef2f0 100644
--- a/src/live_effects/lpe-curvestitch.cpp
+++ b/src/live_effects/lpe-curvestitch.cpp
@@ -153,6 +153,8 @@ LPECurveStitch::doEffect_path (std::vector<Geom::Path> const & path_in)
 void
 LPECurveStitch::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     if (!SP_IS_PATH(item)) return;
 
     using namespace Geom;
diff --git a/src/live_effects/lpe-envelope.cpp b/src/live_effects/lpe-envelope.cpp
index 553390585..a730f14ff 100755
--- a/src/live_effects/lpe-envelope.cpp
+++ b/src/live_effects/lpe-envelope.cpp
@@ -220,6 +220,8 @@ LPEEnvelope::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd
 void
 LPEEnvelope::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     original_bbox(SP_LPE_ITEM(item));
 
     Geom::Point Up_Left(boundingbox_X.min(), boundingbox_Y.min());
diff --git a/src/live_effects/lpe-interpolate.cpp b/src/live_effects/lpe-interpolate.cpp
index b2f1547a9..e19d2e6e7 100644
--- a/src/live_effects/lpe-interpolate.cpp
+++ b/src/live_effects/lpe-interpolate.cpp
@@ -95,6 +95,8 @@ LPEInterpolate::doEffect_path (Geom::PathVector const & path_in)
 void
 LPEInterpolate::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     if (!SP_IS_PATH(item))
         return;
 
diff --git a/src/live_effects/lpe-lattice.cpp b/src/live_effects/lpe-lattice.cpp
index f77434f92..0beedb537 100644
--- a/src/live_effects/lpe-lattice.cpp
+++ b/src/live_effects/lpe-lattice.cpp
@@ -183,6 +183,8 @@ LPELattice::doBeforeEffect (SPLPEItem *lpeitem)
 void
 LPELattice::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     original_bbox(SP_LPE_ITEM(item), false);
     
     // place the 16 control points
diff --git a/src/live_effects/lpe-rough-hatches.cpp b/src/live_effects/lpe-rough-hatches.cpp
index 1bac02ec4..7fa865c01 100644
--- a/src/live_effects/lpe-rough-hatches.cpp
+++ b/src/live_effects/lpe-rough-hatches.cpp
@@ -565,6 +565,8 @@ LPERoughHatches::doBeforeEffect (SPLPEItem */*lpeitem*/)
 void
 LPERoughHatches::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     Geom::OptRect bbox = item->getBounds(Geom::identity(), SPItem::GEOMETRIC_BBOX);
     Geom::Point origin(0.,0.);
     Geom::Point vector(50.,0.);
diff --git a/src/live_effects/lpe-vonkoch.cpp b/src/live_effects/lpe-vonkoch.cpp
index 0f105ad60..f18c4011b 100644
--- a/src/live_effects/lpe-vonkoch.cpp
+++ b/src/live_effects/lpe-vonkoch.cpp
@@ -271,6 +271,8 @@ LPEVonKoch::doBeforeEffect (SPLPEItem *lpeitem)
 void
 LPEVonKoch::resetDefaults(SPItem * item)
 {
+    Effect::resetDefaults(item);
+
     using namespace Geom;
     original_bbox(SP_LPE_ITEM(item));
 
-- 
2.30.2