Accept 1927294 (a further patch from Gerald Young): the previous patch stopped the...
[synfig.git] / synfig-studio / trunk / src / gtkmm / renderer_ducks.cpp
index 735d2a1..c842811 100644 (file)
@@ -6,6 +6,7 @@
 **
 **     \legal
 **     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2007, 2008 Chris Moore
 **
 **     This package is free software; you can redistribute it and/or
 **     modify it under the terms of the GNU General Public License as
 #include <ETL/misc>
 #include "widget_color.h"
 #include <synfig/distance.h>
+#include <synfig/valuenode_blinecalcvertex.h>
+#include <synfig/valuenode_bline.h>
 #include "app.h"
 
+#include "general.h"
+
 #endif
 
 /* === U S I N G =========================================================== */
@@ -55,6 +60,46 @@ using namespace studio;
 
 /* === M E T H O D S ======================================================= */
 
+bool
+restrict_blinevertex_duck(etl::handle<Duck> duck, WorkArea& w_area, synfig::Point *point)
+{
+       synfig::Point sub_trans_origin(duck->get_sub_trans_origin());
+       etl::handle<Duck> origin_duck = duck->get_origin_duck();
+       bool origin_changed = false;
+       if(origin_duck)
+               origin_changed = restrict_blinevertex_duck(origin_duck, w_area, &sub_trans_origin);
+
+       if( ValueNode_BLineCalcVertex::Handle bline_vertex =
+               ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())
+       )
+       {
+               synfig::Point closest_point = duck->get_point();
+               synfig::Real radius = 0.0;
+               ValueNode_BLine::Handle bline = ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link(bline_vertex->get_link_index_from_name("bline")));
+               synfig::find_closest_point( 
+                       (*bline)(w_area.get_time()),
+                       duck->get_point(),
+                       radius,
+                       bline->get_loop(),
+                       &closest_point
+               );
+
+               if(closest_point != duck->get_point())
+               {
+                       *point = closest_point * duck->get_scalar() + sub_trans_origin;
+                       return true;
+               }
+       }
+       
+       if(origin_changed)
+       {
+               *point = duck->get_point() * duck->get_scalar() + sub_trans_origin;
+               return true;
+       }
+       
+       return false;
+}
+
 Renderer_Ducks::~Renderer_Ducks()
 {
 }
@@ -137,11 +182,22 @@ Renderer_Ducks::render_vfunc(
        // Render the beziers
        for(std::list<handle<Duckmatic::Bezier> >::const_iterator iter=bezier_list.begin();iter!=bezier_list.end();++iter)
        {
+               Point sub_trans_p1((*iter)->p1->get_sub_trans_point());
+               Point sub_trans_p2((*iter)->p2->get_sub_trans_point());
+               Point sub_trans_c1((*iter)->c1->get_sub_trans_point());
+               Point sub_trans_c2((*iter)->c2->get_sub_trans_point());
+
+               WorkArea* w_area = get_work_area();
+               restrict_blinevertex_duck((*iter)->p1, *w_area, &sub_trans_p1);
+               restrict_blinevertex_duck((*iter)->p2, *w_area, &sub_trans_p2);
+               restrict_blinevertex_duck((*iter)->c1, *w_area, &sub_trans_c1);
+               restrict_blinevertex_duck((*iter)->c2, *w_area, &sub_trans_c2);
+               
                Point window_start(window_startx,window_starty);
-               Point p1((*iter)->p1->get_trans_point()-window_start);
-               Point p2((*iter)->p2->get_trans_point()-window_start);
-               Point c1((*iter)->c1->get_trans_point()-window_start);
-               Point c2((*iter)->c2->get_trans_point()-window_start);
+               Point p1((*iter)->p1->get_transform_stack().perform(sub_trans_p1)-window_start);
+               Point p2((*iter)->p2->get_transform_stack().perform(sub_trans_p2)-window_start);
+               Point c1((*iter)->c1->get_transform_stack().perform(sub_trans_c1)-window_start);
+               Point c2((*iter)->c2->get_transform_stack().perform(sub_trans_c2)-window_start);
                p1[0]/=pw;p1[1]/=ph;
                p2[0]/=pw;p2[1]/=ph;
                c1[0]/=pw;c1[1]/=ph;
@@ -161,11 +217,11 @@ Renderer_Ducks::render_vfunc(
                // Draw the curve
 /*             if(solid_lines)
                {
-                       gc->set_rgb_fg_color(Gdk::Color("#000000"));
+                       gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_1);
                        gc->set_function(Gdk::COPY);
                        gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                        drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
-                       gc->set_rgb_fg_color(Gdk::Color("#afafaf"));
+                       gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_2);
                        gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                        drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
                }
@@ -176,11 +232,11 @@ Renderer_Ducks::render_vfunc(
 //                     gc->set_function(Gdk::INVERT);
 //                     gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 //                     drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
-                       gc->set_rgb_fg_color(Gdk::Color("#000000"));
+                       gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_1);
                        gc->set_function(Gdk::COPY);
                        gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                        drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
-                       gc->set_rgb_fg_color(Gdk::Color("#afafaf"));
+                       gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_2);
                        gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                        drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 
@@ -206,11 +262,9 @@ Renderer_Ducks::render_vfunc(
 
 //             Real x,y;
        //      Gdk::Rectangle area;
-               Point point((*iter)->get_trans_point());
-               Point origin((*iter)->get_trans_origin());
-
-               point[0]=(point[0]-window_startx)/pw;
-               point[1]=(point[1]-window_starty)/ph;
+               Point sub_trans_point((*iter)->get_sub_trans_point());
+               Point sub_trans_origin((*iter)->get_sub_trans_origin());
+               etl::handle<Duck> origin_duck = (*iter)->get_origin_duck();
 
                bool has_connect(false);
                if((*iter)->get_tangent() || (*iter)->get_type()&Duck::TYPE_ANGLE)
@@ -220,25 +274,48 @@ Renderer_Ducks::render_vfunc(
                if((*iter)->get_connect_duck())
                {
                        has_connect=true;
-                       origin=(*iter)->get_connect_duck()->get_trans_point();
+                       sub_trans_origin = (*iter)->get_connect_duck()->get_sub_trans_point();
+                       origin_duck = (*iter)->get_connect_duck();
                }
 
+
+               if (App::restrict_radius_ducks &&
+                       (*iter)->is_radius())
+               {
+                       if (sub_trans_point[0] < sub_trans_origin[0])
+                               sub_trans_point[0] = sub_trans_origin[0];
+                       if (sub_trans_point[1] < sub_trans_origin[1])
+                               sub_trans_point[1] = sub_trans_origin[1];
+               }
+
+               WorkArea* w_area = get_work_area();
+               restrict_blinevertex_duck((*iter), *w_area, &sub_trans_point);
+               if(origin_duck)
+                       restrict_blinevertex_duck(origin_duck, *w_area, &sub_trans_origin);
+
+               Point point((*iter)->get_transform_stack().perform(sub_trans_point));
+               Point origin((*iter)->get_transform_stack().perform(sub_trans_origin));
+
+               point[0]=(point[0]-window_startx)/pw;
+               point[1]=(point[1]-window_starty)/ph;
+
                origin[0]=(origin[0]-window_startx)/pw;
                origin[1]=(origin[1]-window_starty)/ph;
 
-
                bool selected(get_work_area()->duck_is_selected(*iter));
-               bool hover(*iter==hover_duck);
+               bool hover(*iter==hover_duck || (*iter)->get_hover());
 
                shadow = selected?Gtk::SHADOW_IN:Gtk::SHADOW_OUT;
 
                if(get_work_area()->get_selected_value_node())
                {
                        synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
-                       if(value_desc.is_valid() && value_desc.is_value_node() && get_work_area()->get_selected_value_node()==value_desc.get_value_node())
+                       if (value_desc.is_valid() &&
+                               ((value_desc.is_value_node()            && get_work_area()->get_selected_value_node() == value_desc.get_value_node()) ||
+                                (value_desc.parent_is_value_node()     && get_work_area()->get_selected_value_node() == value_desc.get_parent_value_node())))
                        {
                                gc->set_function(Gdk::COPY);
-                               gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_SELECTED);
                                //gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                                gc->set_line_attributes(2,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 
@@ -260,7 +337,7 @@ Renderer_Ducks::render_vfunc(
                        Point tl(min(point[0],boxpoint[0]),min(point[1],boxpoint[1]));
 
                        gc->set_function(Gdk::COPY);
-                       gc->set_rgb_fg_color(Gdk::Color("#FFFFFF"));
+                       gc->set_rgb_fg_color(DUCK_COLOR_BOX_1);
                        gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                        drawable->draw_rectangle(gc,false,
                                round_to_int(tl[0]),
@@ -269,7 +346,7 @@ Renderer_Ducks::render_vfunc(
                                round_to_int(abs(boxpoint[1]-point[1]))
                        );
                        gc->set_function(Gdk::COPY);
-                       gc->set_rgb_fg_color(Gdk::Color("#000000"));
+                       gc->set_rgb_fg_color(DUCK_COLOR_BOX_2);
                        gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
                        drawable->draw_rectangle(gc,false,
                                round_to_int(tl[0]),
@@ -285,19 +362,19 @@ Renderer_Ducks::render_vfunc(
                screen_duck.hover=hover;
 
                if(!(*iter)->get_editable())
-                       screen_duck.color=(Gdk::Color("#cfcfcf"));
+                       screen_duck.color=(DUCK_COLOR_NOT_EDITABLE);
                else if((*iter)->get_tangent())
-                       screen_duck.color=((*iter)->get_scalar()<0?Gdk::Color("#ffff00"):Gdk::Color("#ff0000"));
+                       screen_duck.color=((*iter)->get_scalar()<0 ? DUCK_COLOR_TANGENT_1 : DUCK_COLOR_TANGENT_2);
                else if((*iter)->get_type()&Duck::TYPE_VERTEX)
-                       screen_duck.color=Gdk::Color("#ff7f00");
+                       screen_duck.color=DUCK_COLOR_VERTEX;
                else if((*iter)->get_type()&Duck::TYPE_RADIUS)
-                       screen_duck.color=Gdk::Color("#00ffff");
+                       screen_duck.color=DUCK_COLOR_RADIUS;
                else if((*iter)->get_type()&Duck::TYPE_WIDTH)
-                       screen_duck.color=Gdk::Color("#ff00ff");
+                       screen_duck.color=DUCK_COLOR_WIDTH;
                else if((*iter)->get_type()&Duck::TYPE_ANGLE)
-                       screen_duck.color=(Gdk::Color("#0000ff"));
+                       screen_duck.color=(DUCK_COLOR_ANGLE);
                else
-                       screen_duck.color=Gdk::Color("#00ff00");
+                       screen_duck.color=DUCK_COLOR_OTHER;
 
                screen_duck_list.push_front(screen_duck);
 
@@ -306,11 +383,11 @@ Renderer_Ducks::render_vfunc(
                        if(solid_lines)
                        {
                                gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
-                               gc->set_rgb_fg_color(Gdk::Color("#000000"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_OUTSIDE);
                                gc->set_function(Gdk::COPY);
                                drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
                                gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
-                               gc->set_rgb_fg_color(Gdk::Color("#9fefef"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_INSIDE);
                                drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
                        }
                        else
@@ -319,11 +396,11 @@ Renderer_Ducks::render_vfunc(
 //                             gc->set_function(Gdk::INVERT);
 //                             drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
                                gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
-                               gc->set_rgb_fg_color(Gdk::Color("#000000"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_OUTSIDE);
                                gc->set_function(Gdk::COPY);
                                drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
                                gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
-                               gc->set_rgb_fg_color(Gdk::Color("#9fefef"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_INSIDE);
                                drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
                        }
                }
@@ -372,18 +449,37 @@ Renderer_Ducks::render_vfunc(
 
                        if(hover)
                        {
-                               Distance real_mag(((*iter)->get_trans_point()-(*iter)->get_trans_origin()).mag(),Distance::SYSTEM_UNITS);
+                               Real mag;
+                               if (App::restrict_radius_ducks)
+                               {
+                                       Point sub_trans_point((*iter)->get_sub_trans_point());
+                                       Point sub_trans_origin((*iter)->get_sub_trans_origin());
+
+                                       if (sub_trans_point[0] < sub_trans_origin[0])
+                                               sub_trans_point[0] = sub_trans_origin[0];
+                                       if (sub_trans_point[1] < sub_trans_origin[1])
+                                               sub_trans_point[1] = sub_trans_origin[1];
+
+                                       Point point((*iter)->get_transform_stack().perform(sub_trans_point));
+                                       Point origin((*iter)->get_transform_stack().perform(sub_trans_origin));
+
+                                       mag = (point-origin).mag();
+                               }
+                               else
+                                       mag = ((*iter)->get_trans_point()-(*iter)->get_trans_origin()).mag();
+
+                               Distance real_mag(mag, Distance::SYSTEM_UNITS);
                                real_mag.convert(App::distance_system,get_work_area()->get_rend_desc());
                                layout->set_text(real_mag.get_string());
 
-                               gc->set_rgb_fg_color(Gdk::Color("#000000"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_WIDTH_TEXT_1);
                                drawable->draw_layout(
                                        gc,
                                        round_to_int(point[0])+1+6,
                                        round_to_int(point[1])+1-8,
                                        layout
                                );
-                               gc->set_rgb_fg_color(Gdk::Color("#FF00FF"));
+                               gc->set_rgb_fg_color(DUCK_COLOR_WIDTH_TEXT_2);
                                drawable->draw_layout(
                                        gc,
                                        round_to_int(point[0])+6,
@@ -424,7 +520,7 @@ Renderer_Ducks::render_vfunc(
 
                gc->set_function(Gdk::COPY);
                gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
-               gc->set_rgb_fg_color(Gdk::Color("#000000"));
+               gc->set_rgb_fg_color(DUCK_COLOR_OUTLINE);
                drawable->draw_arc(
                        gc,
                        true,