From afd21a94139c8e747ef048bc64ceea0fc8d3d572 Mon Sep 17 00:00:00 2001
From: "Johan B. C. Engelen" <jbc.engelen@swissonline.ch>
Date: Tue, 27 Jul 2010 21:56:51 +0200
Subject: powerstroke: arbitrary number of control points.

(bzr r9659)
---
 src/live_effects/parameter/array.h                  |  9 +++++----
 .../parameter/powerstrokepointarray.cpp             | 21 +++++++++++----------
 src/live_effects/parameter/powerstrokepointarray.h  |  4 ++++
 3 files changed, 20 insertions(+), 14 deletions(-)

(limited to 'src/live_effects/parameter')

diff --git a/src/live_effects/parameter/array.h b/src/live_effects/parameter/array.h
index e5f230111..89c344594 100644
--- a/src/live_effects/parameter/array.h
+++ b/src/live_effects/parameter/array.h
@@ -85,10 +85,7 @@ public:
         g_free(str);
     }
 
-private:
-    ArrayParam(const ArrayParam&);
-    ArrayParam& operator=(const ArrayParam&);
-
+protected:
     std::vector<StorageType> _vector;
     size_t _default_size;
 
@@ -103,6 +100,10 @@ private:
     }
 
     StorageType readsvg(const gchar * str);
+
+private:
+    ArrayParam(const ArrayParam&);
+    ArrayParam& operator=(const ArrayParam&);
 };
 
 
diff --git a/src/live_effects/parameter/powerstrokepointarray.cpp b/src/live_effects/parameter/powerstrokepointarray.cpp
index 923266a94..49ef05319 100644
--- a/src/live_effects/parameter/powerstrokepointarray.cpp
+++ b/src/live_effects/parameter/powerstrokepointarray.cpp
@@ -33,7 +33,7 @@ PowerStrokePointArrayParam::PowerStrokePointArrayParam( const Glib::ustring& lab
 {
     knot_shape = SP_KNOT_SHAPE_DIAMOND;
     knot_mode  = SP_KNOT_MODE_XOR;
-    knot_color = 0xffffff00;
+    knot_color = 0xff00ff00;
     handle_tip = g_strdup(htip);
 }
 
@@ -110,15 +110,16 @@ PowerStrokePointArrayParamKnotHolderEntity::PowerStrokePointArrayParamKnotHolder
 void
 PowerStrokePointArrayParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint /*state*/)
 {
-//    Geom::Point const s = snap_knot_position(p);
-//    pparam->param_setValue(s);
-//    sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
+    Geom::Point const s = snap_knot_position(p);
+    _pparam->_vector.at(_index) = s;
+//    _pparam->param_set_and_write_new_value(_pparam->_vector);
+    sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
 }
 
 Geom::Point
 PowerStrokePointArrayParamKnotHolderEntity::knot_get()
 {
-    Geom::Point canvas_point;
+    Geom::Point canvas_point = _pparam->_vector.at(_index);
     return canvas_point;
 }
 
@@ -131,11 +132,11 @@ PowerStrokePointArrayParamKnotHolderEntity::knot_click(guint /*state*/)
 void
 PowerStrokePointArrayParam::addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item)
 {
-    //PowerStrokePointArrayParamKnotHolderEntity *e = new PowerStrokePointArrayParamKnotHolderEntity(this);
-    // TODO: can we ditch handleTip() etc. because we have access to handle_tip etc. itself???
-    //e->create(desktop, item, knotholder, handleTip(), knot_shape, knot_mode, knot_color);
-    //knotholder->add(e);
-
+    for (unsigned int i = 0; i < _vector.size(); ++i) {
+        PowerStrokePointArrayParamKnotHolderEntity *e = new PowerStrokePointArrayParamKnotHolderEntity(this, i);
+        e->create(desktop, item, knotholder, handle_tip, knot_shape, knot_mode, knot_color);
+        knotholder->add(e);
+    }
 }
 
 } /* namespace LivePathEffect */
diff --git a/src/live_effects/parameter/powerstrokepointarray.h b/src/live_effects/parameter/powerstrokepointarray.h
index 0a33c0369..66eb3c987 100644
--- a/src/live_effects/parameter/powerstrokepointarray.h
+++ b/src/live_effects/parameter/powerstrokepointarray.h
@@ -22,6 +22,8 @@ namespace Inkscape {
 
 namespace LivePathEffect {
 
+class PowerStrokePointArrayParamKnotHolderEntity;
+
 class PowerStrokePointArrayParam : public ArrayParam<Geom::Point> {
 public:
     PowerStrokePointArrayParam( const Glib::ustring& label,
@@ -41,6 +43,8 @@ public:
     virtual bool providesKnotHolderEntities() { return true; }
     virtual void addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item);
 
+    friend class PowerStrokePointArrayParamKnotHolderEntity;
+
 private:
     PowerStrokePointArrayParam(const PowerStrokePointArrayParam&);
     PowerStrokePointArrayParam& operator=(const PowerStrokePointArrayParam&);
-- 
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