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Add a 'radius ratio' option to the star tool.
[synfig.git] / synfig-studio / trunk / src / gtkmm / state_star.cpp
diff --git a/synfig-studio/trunk/src/gtkmm/state_star.cpp b/synfig-studio/trunk/src/gtkmm/state_star.cpp
index 63f3883..667c484 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/state_star.cpp
+++ b/synfig-studio/trunk/src/gtkmm/state_star.cpp
@@ -96,9 +96,15 @@ class studio::StateStar_Context : public sigc::trackable
 
        Gtk::Adjustment adj_feather;
        Gtk::Adjustment adj_number_of_points;
+       Gtk::Adjustment adj_inner_tangent;
+       Gtk::Adjustment adj_outer_tangent;
+       Gtk::Adjustment adj_radius_ratio;
        Gtk::Adjustment adj_angle_offset;
        Gtk::SpinButton spin_feather;
        Gtk::SpinButton spin_number_of_points;
+       Gtk::SpinButton spin_inner_tangent;
+       Gtk::SpinButton spin_outer_tangent;
+       Gtk::SpinButton spin_radius_ratio;
        Gtk::SpinButton spin_angle_offset;
 
        Gtk::CheckButton checkbutton_invert;
@@ -132,6 +138,15 @@ public:
        Real get_number_of_points()const { return adj_number_of_points.get_value(); }
        void set_number_of_points(Real f) { adj_number_of_points.set_value(f); }
 
+       Real get_inner_tangent()const { return adj_inner_tangent.get_value(); }
+       void set_inner_tangent(Real f) { adj_inner_tangent.set_value(f); }
+
+       Real get_outer_tangent()const { return adj_outer_tangent.get_value(); }
+       void set_outer_tangent(Real f) { adj_outer_tangent.set_value(f); }
+
+       Real get_radius_ratio()const { return adj_radius_ratio.get_value(); }
+       void set_radius_ratio(Real f) { adj_radius_ratio.set_value(f); }
+
        Real get_angle_offset()const { return adj_angle_offset.get_value(); }
        void set_angle_offset(Real f) { adj_angle_offset.set_value(f); }
 
@@ -234,6 +249,21 @@ StateStar_Context::load_settings()
        else
                set_number_of_points(5);
 
+       if(settings.get_value("star.inner_tangent",value))
+               set_inner_tangent(atof(value.c_str()));
+       else
+               set_inner_tangent(0);
+
+       if(settings.get_value("star.outer_tangent",value))
+               set_outer_tangent(atof(value.c_str()));
+       else
+               set_outer_tangent(0);
+
+       if(settings.get_value("star.radius_ratio",value))
+               set_radius_ratio(atof(value.c_str()));
+       else
+               set_radius_ratio(0.5);
+
        if(settings.get_value("star.angle_offset",value))
                set_angle_offset(atof(value.c_str()));
        else
@@ -286,6 +316,9 @@ StateStar_Context::save_settings()
        settings.set_value("star.id",get_id());
        settings.set_value("star.feather",strprintf("%f",(float)get_feather()));
        settings.set_value("star.number_of_points",strprintf("%d",(int)(get_number_of_points() + 0.5)));
+       settings.set_value("star.inner_tangent",strprintf("%f",(float)get_inner_tangent()));
+       settings.set_value("star.outer_tangent",strprintf("%f",(float)get_outer_tangent()));
+       settings.set_value("star.radius_ratio",strprintf("%f",(float)get_radius_ratio()));
        settings.set_value("star.angle_offset",strprintf("%f",(float)get_angle_offset()));
        settings.set_value("star.invert",get_invert()?"1":"0");
        settings.set_value("star.regular_polygon",get_regular_polygon()?"1":"0");
@@ -357,9 +390,15 @@ StateStar_Context::StateStar_Context(CanvasView* canvas_view):
        entry_id(),
        adj_feather(0,0,1,0.01,0.1),
        adj_number_of_points(4,2,120,1,1,1), // value, lower, upper, step_increment, page_increment, page_size
+       adj_inner_tangent(0,-3,3,.01,.1,.1),
+       adj_outer_tangent(0,-3,10,.01,.1,.1),
+       adj_radius_ratio(0.5,-10,10,.01,.1,.1), // value, lower, upper, step_increment, page_increment, page_size
        adj_angle_offset(0,-360,360,.1,1,1), // value, lower, upper, step_increment, page_increment, page_size
        spin_feather(adj_feather,0.1,3),
        spin_number_of_points(adj_number_of_points,1,0),
+       spin_inner_tangent(adj_inner_tangent,1,2),
+       spin_outer_tangent(adj_outer_tangent,1,2),
+       spin_radius_ratio(adj_radius_ratio,1,2),
        spin_angle_offset(adj_angle_offset,1,1),
        checkbutton_invert(_("Invert")),
        checkbutton_regular_polygon(_("Regular Polygon")),
@@ -371,13 +410,12 @@ StateStar_Context::StateStar_Context(CanvasView* canvas_view):
        checkbutton_layer_link_offsets(_("Link BLine Offsets"))
 {
        egress_on_selection_change=true;
-       // Set up the tool options dialog
-       //options_table.attach(*manage(new Gtk::Label(_("Star Tool"))), 0, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(entry_id, 0, 2, 1, 2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
        load_settings();
 
-       //feather stuff
+       // Set up the tool options dialog
+       options_table.attach(*manage(new Gtk::Label(_("Star Tool"))),                   0, 2,  0,  1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(entry_id,                                                                                  0, 2,  1,  2, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
        options_table.attach(*manage(new Gtk::Label(_("Feather:"))),                    0, 1,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
        options_table.attach(spin_feather,                                                                              1, 2,  2,  3, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
        options_table.attach(checkbutton_invert,                                                                0, 2,  5,  6, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
@@ -390,8 +428,14 @@ StateStar_Context::StateStar_Context(CanvasView* canvas_view):
        options_table.attach(checkbutton_layer_link_offsets,                                    0, 2, 12, 13, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
        options_table.attach(*manage(new Gtk::Label(_("Number of Points:"))),   0, 1, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
        options_table.attach(spin_number_of_points,                                                             1, 2, 13, 14, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(*manage(new Gtk::Label(_("Angle Offset:"))),               0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
-       options_table.attach(spin_angle_offset,                                                                 1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Inner Tangent:"))),              0, 1, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_inner_tangent,                                                                1, 2, 14, 15, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Outer Tangent:"))),              0, 1, 15, 16, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_outer_tangent,                                                                1, 2, 15, 16, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Radius Ratio:"))),               0, 1, 16, 17, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_radius_ratio,                                                                 1, 2, 16, 17, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(*manage(new Gtk::Label(_("Angle Offset:"))),               0, 1, 17, 18, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
+       options_table.attach(spin_angle_offset,                                                                 1, 2, 17, 18, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
 
        options_table.show_all();
 
@@ -501,14 +545,16 @@ StateStar_Context::make_star(const Point& _p1, const Point& _p2)
        const Point p1(transform.unperform(_p1));
        const Point p2(transform.unperform(_p2));
 
+       Real radius_ratio(get_radius_ratio());
        Real radius1((p2-p1).mag());
-       Real radius2(radius1/2);
+       Real radius2(radius1 * radius_ratio);
        int points = get_number_of_points();
+       Real inner_tangent = get_inner_tangent() * radius1;
+       Real outer_tangent = get_outer_tangent() * radius2;
        Angle::deg offset(get_angle_offset());
        bool regular(get_regular_polygon());
        Angle::deg angle(360.0/points);
        Real x(p1[0]), y(p1[1]);
-       Real tangent(0);
 
        std::vector<BLinePoint> new_list;
        int point(0);
@@ -518,13 +564,18 @@ StateStar_Context::make_star(const Point& _p1, const Point& _p2)
                new_list[point].set_width(1);
                new_list[point].set_vertex(Point(radius1*Angle::cos(angle*i + offset).get() + x,
                                                                         radius1*Angle::sin(angle*i + offset).get() + y));
-               new_list[point++].set_tangent(Point(0,0));
+               new_list[point++].set_tangent(Point(-Angle::sin(angle*i + offset).get(),
+                                                                                        Angle::cos(angle*i + offset).get()) * outer_tangent);
 
-               new_list.push_back(*(new BLinePoint));
-               new_list[point].set_width(1);
-               new_list[point].set_vertex(Point(radius2*Angle::cos(angle*i + angle/2 + offset).get() + x,
-                                                                        radius2*Angle::sin(angle*i + angle/2 + offset).get() + y));
-               new_list[point++].set_tangent(Point(0,0));
+               if (!regular)
+               {
+                       new_list.push_back(*(new BLinePoint));
+                       new_list[point].set_width(1);
+                       new_list[point].set_vertex(Point(radius2*Angle::cos(angle*i + angle/2 + offset).get() + x,
+                                                                                        radius2*Angle::sin(angle*i + angle/2 + offset).get() + y));
+                       new_list[point++].set_tangent(Point(-Angle::sin(angle*i + angle/2 + offset).get(),
+                                                                                                Angle::cos(angle*i + angle/2 + offset).get()) * inner_tangent);
+               }
        }
 
        ValueNode_BLine::Handle value_node_bline(ValueNode_BLine::create(new_list));
@@ -579,6 +630,12 @@ StateStar_Context::make_star(const Point& _p1, const Point& _p2)
 
                layer->set_description(get_id());
                get_canvas_interface()->signal_layer_new_description()(layer,layer->get_description());
+
+               if(get_layer_outline_flag())
+               {
+                       layer->set_param("color",synfigapp::Main::get_background_color());
+                       get_canvas_interface()->signal_layer_param_changed()(layer,"color");
+               }
        }
 
        ///////////////////////////////////////////////////////////////////////////
Synfig (Bombe’s repository)