Spray Tool by the students at Ecole Centrale de Lyon, Lyon, France

(bzr r8851)

1 files changed, 1199 insertions, 0 deletions

diff --git a/src/spray-context.cpp b/src/spray-context.cpp
new file mode 100644
index 000000000..71dc9648a
--- /dev/null
+++ b/src/spray-context.cpp
@@ -0,0 +1,1199 @@
+#define __SP_SPRAY_CONTEXT_C__
+
+/*
+ * Spray Tool
+ *
+ * Authors:
+ *   Pierre-Antoine MARC
+ *   Pierre CACLIN
+ *   Aurel-Aimé MARMION   
+ *   Julien LERAY
+ *   Benoît LAVORATA
+ *   Vincent MONTAGNE
+ *   Pierre BARBRY-BLOT
+ *
+ * Copyright (C) 2009 authors
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#include "config.h"
+
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include <glibmm/i18n.h>
+
+#include <numeric>
+
+#include "svg/svg.h"
+#include "display/canvas-bpath.h"
+
+#include <glib/gmem.h>
+#include "macros.h"
+#include "document.h"
+#include "selection.h"
+#include "desktop.h"
+#include "desktop-events.h"
+#include "desktop-handles.h"
+#include "unistd.h"
+#include "desktop-style.h"
+#include "message-context.h"
+#include "pixmaps/cursor-spray.xpm"
+#include "pixmaps/cursor-spray-move.xpm"
+#include "pixmaps/cursor-thin.xpm"
+#include "pixmaps/cursor-thicken.xpm"
+#include "pixmaps/cursor-attract.xpm"
+#include "pixmaps/cursor-repel.xpm"
+#include "pixmaps/cursor-push.xpm"
+#include "pixmaps/cursor-roughen.xpm"
+#include "pixmaps/cursor-color.xpm"
+#include <boost/optional.hpp>
+#include "libnr/nr-matrix-ops.h"
+#include "libnr/nr-scale-translate-ops.h"
+#include "xml/repr.h"
+#include "context-fns.h"
+#include "sp-item.h"
+#include "inkscape.h"
+#include "color.h"
+#include "svg/svg-color.h"
+#include "splivarot.h"
+#include "sp-item-group.h"
+#include "sp-shape.h"
+#include "sp-path.h"
+#include "path-chemistry.h"
+#include "sp-gradient.h"
+#include "sp-stop.h"
+#include "sp-stop-fns.h"
+#include "sp-gradient-reference.h"
+#include "sp-linear-gradient.h"
+#include "sp-radial-gradient.h"
+#include "gradient-chemistry.h"
+#include "sp-text.h"
+#include "sp-flowtext.h"
+#include "display/canvas-bpath.h"
+#include "display/canvas-arena.h"
+#include "display/curve.h"
+#include "livarot/Shape.h"
+#include <2geom/isnan.h>        
+#include <2geom/transforms.h>
+#include "preferences.h"
+#include "style.h"
+#include "box3d.h"
+#include "sp-item-transform.h"
+#include "filter-chemistry.h"
+#include "sp-gaussian-blur-fns.h"
+#include "sp-gaussian-blur.h"
+
+#include "spray-context.h"
+#include "ui/dialog/dialog-manager.h"
+#include "helper/action.h"
+
+#include <iostream>
+using namespace std;
+
+
+#define DDC_RED_RGBA 0xff0000ff
+
+#define DYNA_MIN_WIDTH 1.0e-6
+
+static void sp_spray_context_class_init(SPSprayContextClass *klass);
+static void sp_spray_context_init(SPSprayContext *ddc);
+static void sp_spray_context_dispose(GObject *object);
+
+static void sp_spray_context_setup(SPEventContext *ec);
+static void sp_spray_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val);
+static gint sp_spray_context_root_handler(SPEventContext *ec, GdkEvent *event);
+
+static SPEventContextClass *parent_class;
+
+
+
+// The following code implements NormalDistribution wich is used for the density of the spray
+
+
+/*
+   RAND is a macro which returns a pseudo-random numbers from a uniform
+   distribution on the interval [0 1]
+*/
+#define RAND ((double) rand())/((double) RAND_MAX)
+
+/*
+   TWOPI = 2.0*pi
+*/
+#define TWOPI 2.0*3.141592653589793238462643383279502884197169399375
+
+/*
+   RANDN is a macro which returns a pseudo-random numbers from a normal
+   distribution with mean zero and standard deviation one. This macro uses Box
+   Muller's algorithm
+*/
+#define RANDN sqrt(-2.0*log(RAND))*cos(TWOPI*RAND)
+
+
+double NormalDistribution(double mu,double sigma)
+{
+/*
+   This function returns a pseudo-random numbers from a normal distribution with
+   mean equal at mu and standard deviation equal at sigma > 0
+*/
+
+  return (mu+sigma*RANDN);
+
+}
+
+//Fin de la création de NormalDistribution
+
+GtkType
+sp_spray_context_get_type(void)
+{
+    static GType type = 0;
+    if (!type) {
+        GTypeInfo info = {
+            sizeof(SPSprayContextClass),
+            NULL, NULL,
+            (GClassInitFunc) sp_spray_context_class_init,
+            NULL, NULL,
+            sizeof(SPSprayContext),
+            4,
+            (GInstanceInitFunc) sp_spray_context_init,
+            NULL,   /* value_table */
+        };
+        type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SPSprayContext", &info, (GTypeFlags)0);
+    }
+    return type;
+}
+
+static void
+sp_spray_context_class_init(SPSprayContextClass *klass)
+{
+    GObjectClass *object_class = (GObjectClass *) klass;
+    SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
+
+    parent_class = (SPEventContextClass*)g_type_class_peek_parent(klass);
+
+    object_class->dispose = sp_spray_context_dispose;
+
+    event_context_class->setup = sp_spray_context_setup;
+    event_context_class->set = sp_spray_context_set;
+    event_context_class->root_handler = sp_spray_context_root_handler;
+}
+/*Method to rotate items*/
+void
+sp_spray_rotate_rel(Geom::Point c,SPDesktop *desktop,SPItem *item, Geom::Rotate const &rotation)
+{
+
+    Geom::Point center = c;
+    Geom::Translate const s(c);
+    Geom::Matrix affine = Geom::Matrix(s).inverse() * Geom::Matrix(rotation) * Geom::Matrix(s);
+
+    // Rotate item.
+    sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * (Geom::Matrix)affine);
+    // Use each item's own transform writer, consistent with sp_selection_apply_affine()
+    sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform);
+
+    // Restore the center position (it's changed because the bbox center changed)
+    if (item->isCenterSet()) {
+        item->setCenter(c);
+        item->updateRepr();
+    }
+}
+/*Method to scale items*/
+void
+sp_spray_scale_rel (Geom::Point c, SPDesktop *desktop, SPItem *item, Geom::Scale  const &scale)
+{
+        Geom::Translate const s(c); 
+
+        
+        sp_item_set_i2d_affine(item, sp_item_i2d_affine(item) * s.inverse() * scale * s  );
+        sp_item_write_transform(item, SP_OBJECT_REPR(item), item->transform);
+
+
+}
+static void
+sp_spray_context_init(SPSprayContext *tc)
+{   
+   SPEventContext *event_context = SP_EVENT_CONTEXT(tc);
+    
+
+
+    event_context->cursor_shape = cursor_spray_xpm;
+    event_context->hot_x = 4;
+    event_context->hot_y = 4;
+
+    /* attributes */
+    tc->dragging = FALSE;
+    tc->distrib = 1;
+    tc->width = 0.2;
+    tc->force = 0.2;
+    tc->ratio = 0;
+    tc->tilt=0;
+    tc->mean = 0.2;
+    tc->rot_min=0;
+    tc->rot_max=0;
+    tc->standard_deviation=0.2;
+    tc->scale=1;
+    tc->scale_min = 1;
+    tc->scale_max=1;
+    tc->pressure = TC_DEFAULT_PRESSURE;
+
+    tc->is_dilating = false;
+    tc->has_dilated = false;
+
+    tc->do_h = true;
+    tc->do_s = true;
+    tc->do_l = true;
+    tc->do_o = false;
+
+    new (&tc->style_set_connection) sigc::connection();
+}
+
+static void
+sp_spray_context_dispose(GObject *object)
+{
+    SPSprayContext *tc = SP_SPRAY_CONTEXT(object);
+
+    tc->style_set_connection.disconnect();
+    tc->style_set_connection.~connection();
+
+    if (tc->dilate_area) {
+        gtk_object_destroy(GTK_OBJECT(tc->dilate_area));
+        tc->dilate_area = NULL;
+    }
+
+    if (tc->_message_context) {
+        delete tc->_message_context;
+    }
+
+    G_OBJECT_CLASS(parent_class)->dispose(object);
+}
+
+bool is_transform_modes (gint mode)
+{
+    return (mode == SPRAY_MODE_COPY ||
+            mode == SPRAY_MODE_CLONE ||
+            mode == SPRAY_MODE_SINGLE_PATH ||
+            mode == SPRAY_OPTION);
+}
+
+void
+sp_spray_update_cursor (SPSprayContext *tc, bool with_shift)
+{
+   SPEventContext *event_context = SP_EVENT_CONTEXT(tc);
+   SPDesktop *desktop = event_context->desktop;
+
+                guint num = 0;
+                gchar *sel_message = NULL;
+                if (!desktop->selection->isEmpty()) {
+                    num = g_slist_length((GSList *) desktop->selection->itemList());
+                    sel_message = g_strdup_printf(ngettext("<b>%i</b> object selected","<b>%i</b> objects selected",num), num);
+                } else {
+                    sel_message = g_strdup_printf(_("<b>Nothing</b> selected"));
+                }
+
+
+   switch (tc->mode) {
+       case SPRAY_MODE_COPY:
+           tc->_message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag, click or scroll to spray <b>copies</b> of the initial selection"), sel_message);
+           break;
+       case SPRAY_MODE_CLONE:
+           tc->_message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag, click or scroll to spray <b>clones</b> of the initial selection"), sel_message);
+           break;
+       case SPRAY_MODE_SINGLE_PATH:
+           tc->_message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Drag, click or scroll to spray in a <b>single path</b> of the initial selection"), sel_message);
+           break;
+       case SPRAY_OPTION:
+           tc->_message_context->setF(Inkscape::NORMAL_MESSAGE, _("%s. Modify <b>spray</b> options"), sel_message);
+           break;
+   }
+   sp_event_context_update_cursor(event_context);
+   g_free(sel_message);
+}
+
+static void
+sp_spray_context_setup(SPEventContext *ec)
+{
+    SPSprayContext *tc = SP_SPRAY_CONTEXT(ec);
+
+    if (((SPEventContextClass *) parent_class)->setup)
+        ((SPEventContextClass *) parent_class)->setup(ec);
+
+    {
+        /* TODO: have a look at sp_dyna_draw_context_setup where the same is done.. generalize? at least make it an arcto! */
+        SPCurve *c = new SPCurve();
+        const double C1 = 0.552;
+        c->moveto(-1,0);
+        c->curveto(-1, C1, -C1, 1, 0, 1 );
+        c->curveto(C1, 1, 1, C1, 1, 0 );
+        c->curveto(1, -C1, C1, -1, 0, -1 );
+        c->curveto(-C1, -1, -1, -C1, -1, 0 );
+        c->closepath();
+        tc->dilate_area = sp_canvas_bpath_new(sp_desktop_controls(ec->desktop), c);
+        c->unref();
+        sp_canvas_bpath_set_fill(SP_CANVAS_BPATH(tc->dilate_area), 0x00000000,(SPWindRule)0);
+        sp_canvas_bpath_set_stroke(SP_CANVAS_BPATH(tc->dilate_area), 0xff9900ff, 1.0, SP_STROKE_LINEJOIN_MITER, SP_STROKE_LINECAP_BUTT);
+        sp_canvas_item_hide(tc->dilate_area);
+    }
+
+    tc->is_drawing = false;
+
+    tc->_message_context = new Inkscape::MessageContext((ec->desktop)->messageStack());
+
+    sp_event_context_read(ec, "distrib");    
+    sp_event_context_read(ec, "width");
+    sp_event_context_read(ec, "ratio");
+    sp_event_context_read(ec, "tilt");
+    sp_event_context_read(ec, "rot_min");
+    sp_event_context_read(ec, "rot_max");
+    sp_event_context_read(ec, "scale_min");
+    sp_event_context_read(ec, "scale_max");
+    sp_event_context_read(ec, "mode");
+    sp_event_context_read(ec, "population");
+    sp_event_context_read(ec, "force");
+    sp_event_context_read(ec, "mean");
+    sp_event_context_read(ec, "standard_deviation");
+    sp_event_context_read(ec, "usepressure");
+    sp_event_context_read(ec, "Rotation min");
+    sp_event_context_read(ec, "Rotation max");
+    sp_event_context_read(ec, "Scale");
+    sp_event_context_read(ec, "doh");
+    sp_event_context_read(ec, "dol");
+    sp_event_context_read(ec, "dos");
+    sp_event_context_read(ec, "doo");
+
+    ;
+
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+    if (prefs->getBool("/tools/spray/selcue")) {
+        ec->enableSelectionCue();
+    }
+
+    if (prefs->getBool("/tools/spray/gradientdrag")) {
+        ec->enableGrDrag();
+    }
+}
+
+static void
+sp_spray_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val)
+{
+    SPSprayContext *tc = SP_SPRAY_CONTEXT(ec);
+    Glib::ustring path = val->getEntryName();
+
+    if (path == "width") {
+        tc->width = CLAMP(val->getDouble(0.1), -1000.0, 1000.0);
+    } else if (path == "mode") {
+        tc->mode = val->getInt();
+        sp_spray_update_cursor(tc, false);
+    } else if (path == "distribution") {
+        tc->distrib = val->getInt(1);
+    } else if (path == "population") {
+        tc->population = CLAMP(val->getDouble(), 0.0, 1.0);
+     } else if (path == "tilt") {
+        tc->tilt = CLAMP(val->getDouble(0.1), 0, 1000.0);
+     } else if (path == "ratio") {
+        tc->ratio = CLAMP(val->getDouble(), 0.0, 0.9);
+    } else if (path == "force") {
+        tc->force = CLAMP(val->getDouble(1.0), 0, 1.0);
+    } else if (path == "rot_min") {
+        tc->rot_min = CLAMP(val->getDouble(0), 0, 10.0);
+    } else if (path == "rot_max") {
+        tc->rot_max = CLAMP(val->getDouble(0), 0, 10.0);
+    } else if (path == "scale_min") {
+        tc->scale_min = CLAMP(val->getDouble(1.0), 0, 10.0);    
+    } else if (path == "scale_max") {
+        tc->scale_max = CLAMP(val->getDouble(1.0), 0, 10.0);
+    } else if (path == "mean") {
+        tc->mean = CLAMP(val->getDouble(1.0), 0, 1.0);
+    } else if (path == "standard_deviation") {
+        tc->standard_deviation = CLAMP(val->getDouble(1.0), 0, 1.0);
+    } else if (path == "usepressure") {
+        tc->usepressure = val->getBool();
+    } else if (path == "doh") {
+        tc->do_h = val->getBool();
+    } else if (path == "dos") {
+        tc->do_s = val->getBool();
+    } else if (path == "dol") {
+        tc->do_l = val->getBool();
+    } else if (path == "doo") {
+        tc->do_o = val->getBool();
+    }
+}
+
+static void
+sp_spray_extinput(SPSprayContext *tc, GdkEvent *event)
+{
+    if (gdk_event_get_axis (event, GDK_AXIS_PRESSURE, &tc->pressure))
+        tc->pressure = CLAMP (tc->pressure, TC_MIN_PRESSURE, TC_MAX_PRESSURE);
+    else
+        tc->pressure = TC_DEFAULT_PRESSURE;
+}
+
+double
+get_dilate_radius (SPSprayContext *tc)
+{
+
+    return 250 * tc->width/SP_EVENT_CONTEXT(tc)->desktop->current_zoom();
+
+
+}
+
+double
+get_path_force (SPSprayContext *tc)
+{
+    double force = 8 * (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE)
+        /sqrt(SP_EVENT_CONTEXT(tc)->desktop->current_zoom());
+    if (force > 3) {
+        force += 4 * (force - 3);
+    }
+    return force * tc->force;
+}
+
+double
+get_path_mean (SPSprayContext *tc)
+{
+    return tc->mean;
+}
+
+double
+get_path_standard_deviation (SPSprayContext *tc)
+{
+    return tc->standard_deviation;
+}
+
+double
+get_move_force (SPSprayContext *tc)
+{
+    double force = (tc->usepressure? tc->pressure : TC_DEFAULT_PRESSURE);
+    return force * tc->force;
+}
+
+double
+get_move_mean (SPSprayContext *tc)
+{
+    return tc->mean;
+}
+
+double
+get_move_standard_deviation (SPSprayContext *tc)
+{
+    return tc->standard_deviation;
+}
+
+/* Method to handle the distribution of the items */
+
+
+void random_position( double &r, double &p, double &a, double &s, int choix)
+{
+       if (choix == 0) // Mode 1 : uniform repartition
+    {
+        r = (1-pow(g_random_double_range(0, 1),2));
+        p = g_random_double_range(0, M_PI*2);
+    }
+    if (choix == 1) //Mode 0 : gaussian repartition
+    {
+        double r_temp =-1;
+while(!((r_temp>=0)&&(r_temp<=1)))
+{
+         r_temp = NormalDistribution(a,s/4);
+}
+// generates a number following a normal distribution
+        p = g_random_double_range(0, M_PI*2);
+        r=r_temp;
+       /* if (r_temp<=0) r=0;
+        else
+        {
+            if (r_temp>1) r=1;
+            else r = r_temp;
+        }*/
+    }
+}
+
+
+
+
+
+bool
+sp_spray_dilate_recursive (SPDesktop *desktop, Inkscape::Selection *selection, SPItem *item, Geom::Point p, Geom::Point vector, gint mode, double radius, double force, double population, double &scale, double scale_min, double scale_max, bool reverse, double mean, double standard_deviation, double ratio,double tilt, double rot_min, double rot_max, gint _distrib )
+{
+
+
+
+    bool did = false;
+
+    if (SP_IS_BOX3D(item) /*&& !is_transform_modes(mode)*/) {
+        // convert 3D boxes to ordinary groups before spraying their shapes
+        item = SP_ITEM(box3d_convert_to_group(SP_BOX3D(item)));
+        selection->add(item);
+    }
+
+/*if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item)) {
+        GSList *items = g_slist_prepend (NULL, item);
+        GSList *selected = NULL;
+        GSList *to_select = NULL;
+        SPDocument *doc = SP_OBJECT_DOCUMENT(item);
+        sp_item_list_to_curves (items, &selected, &to_select);
+        g_slist_free (items);
+        SPObject* newObj = doc->getObjectByRepr((Inkscape::XML::Node *) to_select->data);
+        g_slist_free (to_select);
+        item = (SPItem *) newObj;
+      //  selection->add(item);
+    }
+*/
+   /*if (SP_IS_GROUP(item) && !SP_IS_BOX3D(item)) {
+        for (SPObject *child = sp_object_first_child(SP_OBJECT(item)) ; child != NULL; child = SP_OBJECT_NEXT(child) ) {
+            if (SP_IS_ITEM(child)) {
+                if (sp_spray_dilate_recursive (desktop,selection, SP_ITEM(child), p, vector, mode, radius, force, population, scale, scale_min, scale_max, reverse, mean, standard_deviation,ratio,tilt, rot_min, rot_max,_distrib))
+                    did = true;
+            }
+        }
+
+    } else {*/
+        if (mode == SPRAY_MODE_COPY) {
+
+            Geom::OptRect a = item->getBounds(sp_item_i2doc_affine(item));
+            if (a) {
+                double dr; double dp; 
+                random_position(dr,dp,mean,standard_deviation,_distrib);
+                dr=dr*radius;
+                double _fid = g_random_double_range(0,1);
+                SPItem *item_copied;
+                double angle = g_random_double_range(rot_min, rot_max);                
+                double _scale = g_random_double_range(scale_min, scale_max);  
+                if(_fid<=population)
+                {
+                          // duplicate
+                            SPDocument *doc = SP_OBJECT_DOCUMENT(item);
+                            Inkscape::XML::Document* xml_doc = sp_document_repr_doc(doc);
+                            Inkscape::XML::Node *old_repr = SP_OBJECT_REPR(item);
+                            Inkscape::XML::Node *parent = old_repr->parent();
+                            Inkscape::XML::Node *copy = old_repr->duplicate(xml_doc);
+                            parent->appendChild(copy);
+
+                            SPObject *new_obj = doc->getObjectByRepr(copy);
+                            item_copied = (SPItem *) new_obj;   //convertion object->item
+                            Geom::Point center=item->getCenter();
+                            sp_spray_scale_rel(center,desktop,item_copied, Geom::Scale(_scale,_scale));  
+                            sp_spray_scale_rel(center,desktop,item_copied, Geom::Scale(scale,scale));   
+                            
+                            sp_spray_rotate_rel(center,desktop,item_copied, Geom::Rotate(angle));                             
+                            Geom::Point move = (Geom::Point(cos(tilt)*cos(dp)*dr/(1-ratio)+sin(tilt)*sin(dp)*dr/(1+ratio),-sin(tilt)*cos(dp)*dr/(1-ratio)+cos(tilt)*sin(dp)*dr/(1+ratio)))+(p-a->midpoint());//Move the cursor p
+                            sp_item_move_rel(item_copied, Geom::Translate(move[Geom::X], -move[Geom::Y]));
+
+
+                   
+                         
+                            
+                        did = true;
+                        }
+            }
+
+        } else if (mode == SPRAY_MODE_SINGLE_PATH) {
+
+
+            SPItem *Pere; //Objet initial
+            SPItem *item_copied;//Objet projeté
+            SPItem *Union;//Union précédente
+            SPItem *fils;//Copie du père
+
+           // GSList *items = g_slist_copy((GSList *) selection->itemList()); //Récupère la liste des objects sélectionnés
+//Pere = (SPItem *) items->data;//Le premier objet est le père du spray
+
+            int i=1;
+            for (GSList *items = g_slist_copy((GSList *) selection->itemList());
+                    items != NULL;
+                    items = items->next) {
+
+                SPItem *item1 = (SPItem *) items->data;
+                if (i==1) {
+                    Pere=item1;
+                }
+                if (i==2) {
+                    Union=item1;
+                }
+                i++;
+            }
+            SPDocument *doc = SP_OBJECT_DOCUMENT(Pere);
+            Inkscape::XML::Document* xml_doc = sp_document_repr_doc(doc);
+            Inkscape::XML::Node *old_repr = SP_OBJECT_REPR(Pere);
+            //SPObject *old_obj = doc->getObjectByRepr(old_repr);
+            Inkscape::XML::Node *parent = old_repr->parent();
+
+            Geom::OptRect a = Pere->getBounds(sp_item_i2doc_affine(Pere));
+            if (a) {
+                double dr; double dp; //initialisation des variables
+                random_position(dr,dp,mean,standard_deviation,_distrib);
+                dr=dr*radius;
+                double _fid = g_random_double_range(0,1);
+                double angle = (g_random_double_range(rot_min, rot_max)); 
+                double _scale = g_random_double_range(scale_min, scale_max);  
+                if (i==2) {
+                    Inkscape::XML::Node *copy1 = old_repr->duplicate(xml_doc);
+                    parent->appendChild(copy1);
+                    SPObject *new_obj1 = doc->getObjectByRepr(copy1);
+                    fils = (SPItem *) new_obj1;   //conversion object->item
+                    Union=fils;
+                    Inkscape::GC::release(copy1);
+                   }
+
+                if (_fid<=population) { //Rules the population of objects sprayed
+                    // duplicates the father
+                    Inkscape::XML::Node *copy2 = old_repr->duplicate(xml_doc);
+                    parent->appendChild(copy2);
+                    SPObject *new_obj2 = doc->getObjectByRepr(copy2);
+                    item_copied = (SPItem *) new_obj2;
+                    
+                    Geom::Point move = (Geom::Point(cos(tilt)*cos(dp)*dr/(1-ratio)+sin(tilt)*sin(dp)*dr/(1+ratio),-sin(tilt)*cos(dp)*dr/(1-ratio)+cos(tilt)*sin(dp)*dr/(1+ratio)))+(p-a->midpoint());//Move around the cursor                          
+
+                            Geom::Point center=Pere->getCenter();
+                            sp_spray_scale_rel(center,desktop,item_copied, Geom::Scale(_scale,_scale));     
+                            sp_spray_scale_rel(center,desktop,item_copied, Geom::Scale(scale,scale));
+                            sp_spray_rotate_rel(center,desktop,item_copied, Geom::Rotate(angle));
+                            sp_item_move_rel(item_copied, Geom::Translate(move[Geom::X], -move[Geom::Y]));
+
+//UNION et surduplication
+                    selection->clear();
+                    selection->add(item_copied);
+                    selection->add(Union);
+                    sp_selected_path_union(selection->desktop());
+                    selection->add(Pere);
+                    Inkscape::GC::release(copy2);
+                    did = true;
+                }
+
+            }
+        } else if (mode == SPRAY_MODE_CLONE) {
+         
+        Geom::OptRect a = item->getBounds(sp_item_i2doc_affine(item));
+                if (a) {
+                double dr; double dp; 
+                random_position(dr,dp,mean,standard_deviation,_distrib);
+                dr=dr*radius;
+                double _fid = g_random_double_range(0,1);
+                double angle = (g_random_double_range(rot_min, rot_max));
+                double _scale = g_random_double_range(scale_min, scale_max);
+
+        if(_fid<=population)
+                {
+                            SPItem *item_copied; 
+                            SPDocument *doc = SP_OBJECT_DOCUMENT(item);
+                            Inkscape::XML::Document* xml_doc = sp_document_repr_doc(doc);
+                            Inkscape::XML::Node *old_repr = SP_OBJECT_REPR(item);
+                            Inkscape::XML::Node *parent = old_repr->parent();
+
+                            //Creation of the clone
+                            Inkscape::XML::Node *clone = xml_doc->createElement("svg:use");
+                            parent->appendChild(clone); //Ajout du clone à la liste d'enfants du père (selection initiale
+                            clone->setAttribute("xlink:href", g_strdup_printf("#%s", old_repr->attribute("id")), false); //Génère le lien entre les attributs du père et du fils
+                            
+                            SPObject *clone_object = doc->getObjectByRepr(clone); 
+                            item_copied = (SPItem *) clone_object;//conversion object->item
+                              Geom::Point center=item->getCenter();
+                            sp_spray_scale_rel(center,desktop,item_copied, Geom::Scale(_scale,_scale));     
+                            sp_spray_scale_rel(center,desktop,item_copied, Geom::Scale(scale,scale));
+                            sp_spray_rotate_rel(center,desktop,item_copied, Geom::Rotate(angle)); 
+                            Geom::Point move = (Geom::Point(cos(tilt)*cos(dp)*dr/(1-ratio)+sin(tilt)*sin(dp)*dr/(1+ratio),-sin(tilt)*cos(dp)*dr/(1-ratio)+cos(tilt)*sin(dp)*dr/(1+ratio)))+(p-a->midpoint());
+                            sp_item_move_rel(item_copied, Geom::Translate(move[Geom::X], -move[Geom::Y]));                               
+
+                            Inkscape::GC::release(clone);
+
+                            did = true;
+                } }}
+                return did;
+               
+}
+
+
+bool
+sp_spray_color_recursive (guint mode, SPItem *item, SPItem *item_at_point,
+                          guint32 fill_goal, bool do_fill,
+                          guint32 stroke_goal, bool do_stroke,
+                          float opacity_goal, bool do_opacity,
+                          bool do_blur, bool reverse,
+                          Geom::Point p, double radius, double force,
+                          bool do_h, bool do_s, bool do_l, bool do_o)
+{
+    bool did = false;
+
+    return did;
+}
+
+
+bool
+sp_spray_dilate (SPSprayContext *tc, Geom::Point event_p, Geom::Point p, Geom::Point vector, bool reverse)
+{
+    Inkscape::Selection *selection = sp_desktop_selection(SP_EVENT_CONTEXT(tc)->desktop);
+    SPDesktop *desktop = SP_EVENT_CONTEXT(tc)->desktop;
+
+
+    if (selection->isEmpty()) {
+        return false;
+    }
+
+    bool did = false;
+    double radius = get_dilate_radius(tc);
+
+
+
+    bool do_fill = false, do_stroke = false, do_opacity = false;
+    guint32 fill_goal = sp_desktop_get_color_tool(desktop, "/tools/spray", true, &do_fill);
+    guint32 stroke_goal = sp_desktop_get_color_tool(desktop, "/tools/spray", false, &do_stroke);
+    double opacity_goal = sp_desktop_get_master_opacity_tool(desktop, "/tools/spray", &do_opacity);
+    if (reverse) {
+#if 0
+        // HSL inversion
+        float hsv[3];
+        float rgb[3];
+        sp_color_rgb_to_hsv_floatv (hsv,
+                                    SP_RGBA32_R_F(fill_goal),
+                                    SP_RGBA32_G_F(fill_goal),
+                                    SP_RGBA32_B_F(fill_goal));
+        sp_color_hsv_to_rgb_floatv (rgb, hsv[0]<.5? hsv[0]+.5 : hsv[0]-.5, 1 - hsv[1], 1 - hsv[2]);
+        fill_goal = SP_RGBA32_F_COMPOSE(rgb[0], rgb[1], rgb[2], 1);
+        sp_color_rgb_to_hsv_floatv (hsv,
+                                    SP_RGBA32_R_F(stroke_goal),
+                                    SP_RGBA32_G_F(stroke_goal),
+                                    SP_RGBA32_B_F(stroke_goal));
+        sp_color_hsv_to_rgb_floatv (rgb, hsv[0]<.5? hsv[0]+.5 : hsv[0]-.5, 1 - hsv[1], 1 - hsv[2]);
+        stroke_goal = SP_RGBA32_F_COMPOSE(rgb[0], rgb[1], rgb[2], 1);
+#else
+        // RGB inversion
+        fill_goal = SP_RGBA32_U_COMPOSE(
+            (255 - SP_RGBA32_R_U(fill_goal)),
+            (255 - SP_RGBA32_G_U(fill_goal)),
+            (255 - SP_RGBA32_B_U(fill_goal)),
+            (255 - SP_RGBA32_A_U(fill_goal)));
+        stroke_goal = SP_RGBA32_U_COMPOSE(
+            (255 - SP_RGBA32_R_U(stroke_goal)),
+            (255 - SP_RGBA32_G_U(stroke_goal)),
+            (255 - SP_RGBA32_B_U(stroke_goal)),
+            (255 - SP_RGBA32_A_U(stroke_goal)));
+#endif
+        opacity_goal = 1 - opacity_goal;
+    }
+
+    double path_force = get_path_force(tc);
+    if (radius == 0 || path_force == 0) {
+        return false;
+    }
+    double path_mean = get_path_mean(tc);
+    if (radius == 0 || path_mean == 0) {
+        return false;
+    }
+    double path_standard_deviation = get_path_standard_deviation(tc);
+    if (radius == 0 || path_standard_deviation == 0) {
+        return false;
+    }
+    double move_force = get_move_force(tc);
+    double move_mean = get_move_mean(tc);
+    double move_standard_deviation = get_move_standard_deviation(tc);
+
+
+    for (GSList *items = g_slist_copy((GSList *) selection->itemList());
+         items != NULL;
+         items = items->next) {
+
+        SPItem *item = (SPItem *) items->data;
+
+        /*if (is_color_modes (tc->mode)) {
+            if (do_fill || do_stroke || do_opacity) {
+                if (sp_spray_color_recursive (tc->mode, item, item_at_point,
+                                          fill_goal, do_fill,
+                                          stroke_goal, do_stroke,
+                                          opacity_goal, do_opacity,
+                                          tc->mode == SPRAY_MODE_BLUR, reverse,
+                                          p, radius, color_force, tc->do_h, tc->do_s, tc->do_l, tc->do_o))
+                did = true;
+            }
+        }else*/ if (is_transform_modes(tc->mode)) {
+            if (sp_spray_dilate_recursive (desktop,selection, item, p, vector, tc->mode, radius, move_force, tc->population,tc->scale, tc->scale_min, tc->scale_max, reverse, move_mean, move_standard_deviation,tc->ratio,tc->tilt, tc->rot_min, tc->rot_max, tc->distrib))
+                did = true;
+        } else {
+            if (sp_spray_dilate_recursive (desktop,selection, item, p, vector, tc->mode, radius, path_force, tc->population,tc->scale, tc->scale_min, tc->scale_max, reverse, path_mean, path_standard_deviation,tc->ratio,tc->tilt, tc->rot_min, tc->rot_max, tc->distrib))
+                did = true;
+        }
+    }
+
+    return did;
+}
+
+void
+sp_spray_update_area (SPSprayContext *tc)
+{
+        double radius = get_dilate_radius(tc);
+        Geom::Matrix const sm ( Geom::Scale(radius/(1-tc->ratio), radius/(1+tc->ratio)) );
+        sp_canvas_item_affine_absolute(tc->dilate_area,   (sm* Geom::Rotate(tc->tilt))* Geom::Translate(SP_EVENT_CONTEXT(tc)->desktop->point()));
+        sp_canvas_item_show(tc->dilate_area);
+}
+
+void
+sp_spray_switch_mode (SPSprayContext *tc, gint mode, bool with_shift)
+{
+    SP_EVENT_CONTEXT(tc)->desktop->setToolboxSelectOneValue ("spray_tool_mode", mode); //sélectionne le bouton numéro "mode"
+    // need to set explicitly, because the prefs may not have changed by the previous
+    tc->mode = mode;
+    sp_spray_update_cursor (tc, with_shift);
+}
+
+void
+sp_spray_switch_mode_temporarily (SPSprayContext *tc, gint mode, bool with_shift)
+{
+    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+   // Juggling about so that prefs have the old value but tc->mode and the button show new mode:
+   gint now_mode = prefs->getInt("/tools/spray/mode", 0);
+   SP_EVENT_CONTEXT(tc)->desktop->setToolboxSelectOneValue ("spray_tool_mode", mode);
+   // button has changed prefs, restore
+   prefs->setInt("/tools/spray/mode", now_mode);
+   // changing prefs changed tc->mode, restore back :)
+   tc->mode = mode;
+   sp_spray_update_cursor (tc, with_shift);
+}
+
+gint
+sp_spray_context_root_handler(SPEventContext *event_context,
+                                  GdkEvent *event)
+{
+    SPSprayContext *tc = SP_SPRAY_CONTEXT(event_context);
+    SPDesktop *desktop = event_context->desktop;
+
+    gint ret = FALSE;
+
+    switch (event->type) {
+        case GDK_ENTER_NOTIFY:
+            sp_canvas_item_show(tc->dilate_area);
+            break;
+        case GDK_LEAVE_NOTIFY:
+            sp_canvas_item_hide(tc->dilate_area);
+            break;
+        case GDK_BUTTON_PRESS:
+            if (event->button.button == 1 && !event_context->space_panning) {
+
+                if (Inkscape::have_viable_layer(desktop, tc->_message_context) == false) {
+                    return TRUE;
+                }
+
+                Geom::Point const motion_w(event->button.x,
+                                         event->button.y);
+                Geom::Point const motion_dt(desktop->w2d(motion_w));
+                tc->last_push = desktop->dt2doc(motion_dt);
+
+                sp_spray_extinput(tc, event);
+
+                sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 3);
+                tc->is_drawing = true;
+                tc->is_dilating = true;
+                                tc->has_dilated = false;
+
+
+
+                if(tc->is_dilating && event->button.button == 1 && !event_context->space_panning)
+
+                                sp_spray_dilate (tc, motion_w, desktop->dt2doc(motion_dt), Geom::Point(0,0), MOD__SHIFT);
+
+
+
+                                                          tc->has_dilated=true;
+
+                ret = TRUE;
+            }
+            break;
+        case GDK_MOTION_NOTIFY:
+        {
+            Geom::Point const motion_w(event->motion.x,
+                                     event->motion.y);
+            Geom::Point motion_dt(desktop->w2d(motion_w));
+            Geom::Point motion_doc(desktop->dt2doc(motion_dt));
+            sp_spray_extinput(tc, event);
+
+            // draw the dilating cursor
+                double radius = get_dilate_radius(tc);
+                Geom::Matrix const sm (Geom::Scale(radius/(1-tc->ratio), radius/(1+tc->ratio)) );
+                sp_canvas_item_affine_absolute(tc->dilate_area, (sm*Geom::Rotate(tc->tilt))*Geom::Translate(desktop->w2d(motion_w)));
+                sp_canvas_item_show(tc->dilate_area);
+
+                guint num = 0;
+                if (!desktop->selection->isEmpty()) {
+                    num = g_slist_length((GSList *) desktop->selection->itemList());
+                }
+                if (num == 0) {
+                    tc->_message_context->flash(Inkscape::ERROR_MESSAGE, _("<b>Nothing selected!</b> Select objects to spray."));
+                }
+
+            // dilating:
+            if (tc->is_drawing && ( event->motion.state & GDK_BUTTON1_MASK )) {
+                sp_spray_dilate (tc, motion_w, motion_doc, motion_doc - tc->last_push, event->button.state & GDK_SHIFT_MASK? true : false);
+                //tc->last_push = motion_doc;
+                tc->has_dilated = true;
+               
+                // it's slow, so prevent clogging up with events
+                gobble_motion_events(GDK_BUTTON1_MASK);
+                return TRUE;
+            }
+
+        }
+        break;
+/*Spray with the scroll*/
+        case GDK_SCROLL:
+               {
+              if (event->scroll.state & GDK_BUTTON1_MASK)
+                                  {
+                  double temp ;
+                  temp=tc->population;
+                  tc->population=1.0;
+                  desktop->setToolboxAdjustmentValue ("population", tc->population * 100);
+                  Geom::Point const scroll_w(event->button.x,event->button.y);
+                  Geom::Point const scroll_dt = desktop->point();;
+                  Geom::Point motion_doc(desktop->dt2doc(scroll_dt));
+                       switch (event->scroll.direction) 
+                       {
+                         case GDK_SCROLL_UP:
+                           {
+                                   if (Inkscape::have_viable_layer(desktop, tc->_message_context) == false)
+                                   {
+                                    return TRUE;
+                                   }
+                                   tc->last_push = desktop->dt2doc(scroll_dt);
+                                   sp_spray_extinput(tc, event);
+                                   sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 3);
+                                   tc->is_drawing = true;
+                                   tc->is_dilating = true;
+                                   tc->has_dilated = false;
+                                   if(tc->is_dilating && !event_context->space_panning)
+ 
+                                                        sp_spray_dilate (tc, scroll_w, desktop->dt2doc(scroll_dt), Geom::Point(0,0),false);
+
+
+ 
+                                   tc->has_dilated=true;
+                                   tc->population=temp;
+
+                                   desktop->setToolboxAdjustmentValue ("population", tc->population * 100);
+                                    
+                                   ret = TRUE;
+                           }
+                               break;
+                           case GDK_SCROLL_DOWN:
+                           {
+                                   if (Inkscape::have_viable_layer(desktop, tc->_message_context) == false)
+                                                                   {
+                                                                    return TRUE;
+                                                                   }
+                                                                   tc->last_push = desktop->dt2doc(scroll_dt);
+                                                                   sp_spray_extinput(tc, event);
+                                                                   sp_canvas_force_full_redraw_after_interruptions(desktop->canvas, 3);
+                                                                   tc->is_drawing = true;
+                                                                   tc->is_dilating = true;
+                                                                   tc->has_dilated = false;
+                                                                   if(tc->is_dilating && !event_context->space_panning)
+                                                                                        sp_spray_dilate (tc, scroll_w, desktop->dt2doc(scroll_dt), Geom::Point(0,0), false);
+
+                                                                   tc->has_dilated=true;
+
+                                                                   ret = TRUE;
+
+
+                           }
+                               break;
+case GDK_SCROLL_RIGHT:
+                           {} break;
+case GDK_SCROLL_LEFT:
+                           {} break;
+                                                                                                                   }
+                                  }
+
+
+                               break;
+
+               }
+    case GDK_BUTTON_RELEASE:
+    {
+        Geom::Point const motion_w(event->button.x, event->button.y);
+        Geom::Point const motion_dt(desktop->w2d(motion_w));
+
+        sp_canvas_end_forced_full_redraws(desktop->canvas);
+        tc->is_drawing = false;
+
+        if (tc->is_dilating && event->button.button == 1 && !event_context->space_panning) {
+            if (!tc->has_dilated) {
+                // if we did not rub, do a light tap
+                tc->pressure = 0.03;
+                sp_spray_dilate (tc, motion_w, desktop->dt2doc(motion_dt), Geom::Point(0,0), MOD__SHIFT);
+            }
+            tc->is_dilating = false;
+            tc->has_dilated = false;
+            switch (tc->mode) {
+                case SPRAY_MODE_COPY:
+                    sp_document_done(sp_desktop_document(SP_EVENT_CONTEXT(tc)->desktop),
+                                     SP_VERB_CONTEXT_SPRAY, _("Spray with copies"));
+                    break;
+                case SPRAY_MODE_CLONE:
+                    sp_document_done(sp_desktop_document(SP_EVENT_CONTEXT(tc)->desktop),
+                                     SP_VERB_CONTEXT_SPRAY, _("Spray with clones"));
+                    break;
+                case SPRAY_MODE_SINGLE_PATH:
+                    sp_document_done(sp_desktop_document(SP_EVENT_CONTEXT(tc)->desktop),
+                                     SP_VERB_CONTEXT_SPRAY, _("Spray in single path"));
+                    break;
+            }
+        }
+        break;
+    }
+
+    case GDK_KEY_PRESS:
+        switch (get_group0_keyval (&event->key)) {
+case GDK_j:  if (MOD__SHIFT_ONLY) {
+                sp_spray_switch_mode(tc, SPRAY_MODE_COPY, MOD__SHIFT);
+                ret = TRUE;
+            }   
+case GDK_J: if (MOD__SHIFT_ONLY) {
+                sp_spray_switch_mode(tc, SPRAY_MODE_COPY, MOD__SHIFT);
+                ret = TRUE;
+            }
+                
+break;
+        case GDK_m:
+        case GDK_M:
+        case GDK_0:
+        
+            break;
+        case GDK_i:
+        case GDK_I:
+        case GDK_k:    if (MOD__SHIFT_ONLY) {
+                sp_spray_switch_mode(tc, SPRAY_MODE_SINGLE_PATH, MOD__SHIFT);
+                ret = TRUE;
+            }
+        case GDK_K:if (MOD__SHIFT_ONLY) {
+                sp_spray_switch_mode(tc, SPRAY_MODE_SINGLE_PATH, MOD__SHIFT);
+                ret = TRUE;
+            }
+break;
+   
+        case GDK_l: if (MOD__SHIFT_ONLY) {
+                sp_spray_switch_mode(tc, SPRAY_MODE_CLONE, MOD__SHIFT);
+                ret = TRUE;
+            }
+            
+        case GDK_L:
+ if (MOD__SHIFT_ONLY) {
+                sp_spray_switch_mode(tc, SPRAY_MODE_CLONE, MOD__SHIFT);
+                ret = TRUE;
+            }
+            break;
+        case GDK_Up:
+        case GDK_KP_Up:
+            if (!MOD__CTRL_ONLY) {
+                tc->scale += 0.05;
+
+                //desktop->setToolboxAdjustmentValue ("spray-force", tc->force * 100);
+                ret = TRUE;
+            }
+            break;
+        case GDK_Down:
+        case GDK_KP_Down:
+            if (!MOD__CTRL_ONLY) {
+
+                tc->scale -= 0.05;
+                if (tc->scale < 0.0)
+                    tc->scale = 0.0;
+                //desktop->setToolboxAdjustmentValue ("spray-force", tc->force * 100);
+
+                ret = TRUE;
+
+            }
+            break;
+        case GDK_Right:
+        case GDK_KP_Right:
+            if (!MOD__CTRL_ONLY) {
+                tc->width += 0.01;
+                if (tc->width > 1.0)
+                    tc->width = 1.0;
+                desktop->setToolboxAdjustmentValue ("altx-spray", tc->width * 100); // the same spinbutton is for alt+x
+                sp_spray_update_area(tc);
+                ret = TRUE;
+            }
+            break;
+        case GDK_Left:
+        case GDK_KP_Left:
+            if (!MOD__CTRL_ONLY) {
+                tc->width -= 0.01;
+                if (tc->width < 0.01)
+                    tc->width = 0.01;
+                desktop->setToolboxAdjustmentValue ("altx-spray", tc->width * 100);
+                sp_spray_update_area(tc);
+                ret = TRUE;
+            }
+            break;
+        case GDK_Home:
+        case GDK_KP_Home:
+            tc->width = 0.01;
+            desktop->setToolboxAdjustmentValue ("altx-spray", tc->width * 100);
+            sp_spray_update_area(tc);
+            ret = TRUE;
+            break;
+        case GDK_End:
+        case GDK_KP_End:
+            tc->width = 1.0;
+            desktop->setToolboxAdjustmentValue ("altx-spray", tc->width * 100);
+            sp_spray_update_area(tc);
+            ret = TRUE;
+            break;
+        case GDK_x:
+        case GDK_X:
+            if (MOD__ALT_ONLY) {
+                desktop->setToolboxFocusTo ("altx-spray");
+                ret = TRUE;
+            }
+            break;
+
+        case GDK_Shift_L:
+        case GDK_Shift_R:
+            sp_spray_update_cursor(tc, true);
+            break;
+/*Set the scale to 1*/
+        case GDK_Control_L:
+                tc->scale=1;
+        default:
+            break;
+        }
+        break;
+
+    case GDK_KEY_RELEASE: {
+        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
+        switch (get_group0_keyval(&event->key)) {
+            case GDK_Shift_L:
+            case GDK_Shift_R:
+                sp_spray_update_cursor(tc, false);
+                break;
+            case GDK_Control_L:
+            case GDK_Control_R:
+                sp_spray_switch_mode (tc, prefs->getInt("/tools/spray/mode"), MOD__SHIFT);
+                tc->_message_context->clear();
+                break;
+            default:
+                sp_spray_switch_mode (tc, prefs->getInt("/tools/spray/mode"), MOD__SHIFT);
+                break;
+        }
+    }
+
+    default:
+        break;
+    }
+
+    if (!ret) {
+        if (((SPEventContextClass *) parent_class)->root_handler) {
+            ret = ((SPEventContextClass *) parent_class)->root_handler(event_context, event);
+        }
+    }
+
+    return ret;
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
+