synfig-studio/trunk/src/gtkmm/renderer_ducks.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file renderer_ducks.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "renderer_ducks.h"
  34 #include "workarea.h"
  35 #include "duckmatic.h"
  36 #include <ETL/bezier>
  37 #include <ETL/misc>
  38 #include "widget_color.h"
  39 #include <synfig/distance.h>
  40 #include <synfig/valuenode_blinecalcvertex.h>
  41 #include <synfig/valuenode_bline.h>
  42 #include "app.h"
  43
  44 #include "general.h"
  45
  46 #endif
  47
  48 /* === U S I N G =========================================================== */
  49
  50 using namespace std;
  51 using namespace etl;
  52 using namespace synfig;
  53 using namespace studio;
  54
  55 /* === M A C R O S ========================================================= */
  56
  57 /* === G L O B A L S ======================================================= */
  58
  59 /* === P R O C E D U R E S ================================================= */
  60
  61 /* === M E T H O D S ======================================================= */
  62
  63 bool
  64 restrict_blinevertex_duck(etl::handle<Duck> duck, WorkArea& w_area, synfig::Point *point)
  65 {
  66         synfig::Point sub_trans_origin(duck->get_sub_trans_origin());
  67         etl::handle<Duck> origin_duck = duck->get_origin_duck();
  68         bool origin_changed = false;
  69         if(origin_duck)
  70                 origin_changed = restrict_blinevertex_duck(origin_duck, w_area, &sub_trans_origin);
  71
  72         if( ValueNode_BLineCalcVertex::Handle bline_vertex =
  73                 ValueNode_BLineCalcVertex::Handle::cast_dynamic(duck->get_value_desc().get_value_node())
  74         )
  75         {
  76                 synfig::Point closest_point = duck->get_point();
  77                 synfig::Real radius = 0.0;
  78                 ValueNode_BLine::Handle bline = ValueNode_BLine::Handle::cast_dynamic(bline_vertex->get_link(bline_vertex->get_link_index_from_name("bline")));
  79                 synfig::find_closest_point(
  80                         (*bline)(w_area.get_time()),
  81                         duck->get_point(),
  82                         radius,
  83                         bline->get_loop(),
  84                         &closest_point
  85                 );
  86
  87                 if(closest_point != duck->get_point())
  88                 {
  89                         *point = closest_point * duck->get_scalar() + sub_trans_origin;
  90                         return true;
  91                 }
  92         }
  93
  94         if(origin_changed)
  95         {
  96                 *point = duck->get_point() * duck->get_scalar() + sub_trans_origin;
  97                 return true;
  98         }
  99
 100         return false;
 101 }
 102
 103 Renderer_Ducks::~Renderer_Ducks()
 104 {
 105 }
 106
 107 /*
 108 bool
 109 Renderer_Ducks::get_enabled_vfunc()const
 110 {
 111         return get_work_area()->grid_status();
 112 }
 113 */
 114
 115 struct ScreenDuck
 116 {
 117         synfig::Point pos;
 118         Gdk::Color color;
 119         bool selected;
 120         bool hover;
 121         Real width;
 122
 123         ScreenDuck():width(0) { }
 124 };
 125
 126 void
 127 Renderer_Ducks::render_vfunc(
 128         const Glib::RefPtr<Gdk::Drawable>& drawable,
 129         const Gdk::Rectangle& /*expose_area*/
 130 )
 131 {
 132         assert(get_work_area());
 133         if(!get_work_area())
 134                 return;
 135
 136         const synfig::Vector focus_point(get_work_area()->get_focus_point());
 137
 138
 139         int drawable_w,drawable_h;
 140         drawable->get_size(drawable_w,drawable_h);
 141
 142         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
 143
 144
 145         const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 146         const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 147
 148         const float pw(get_pw()),ph(get_ph());
 149
 150         const std::list<etl::handle<Duckmatic::Bezier> >& bezier_list(get_work_area()->bezier_list());
 151         const bool solid_lines(get_work_area()->solid_lines);
 152
 153         const std::list<handle<Duckmatic::Stroke> >& stroke_list(get_work_area()->stroke_list());
 154
 155         Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_work_area()->get_pango_context()));
 156
 157         // Render the strokes
 158         for(std::list<handle<Duckmatic::Stroke> >::const_iterator iter=stroke_list.begin();iter!=stroke_list.end();++iter)
 159         {
 160                 Point window_start(window_startx,window_starty);
 161                 vector<Gdk::Point> points;
 162                 std::list<synfig::Point>::iterator iter2;
 163                 Point holder;
 164
 165                 for(iter2=(*iter)->stroke_data->begin();iter2!=(*iter)->stroke_data->end();++iter2)
 166                 {
 167                         holder=*iter2-window_start;
 168                         holder[0]/=pw;holder[1]/=ph;
 169                         points.push_back(Gdk::Point(round_to_int(holder[0]),round_to_int(holder[1])));
 170                 }
 171
 172                 gc->set_rgb_fg_color(colorconv_synfig2gdk((*iter)->color));
 173                 gc->set_function(Gdk::COPY);
 174                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 175
 176                 // Draw the stroke
 177                 drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 178         }
 179
 180
 181
 182         // Render the beziers
 183         for(std::list<handle<Duckmatic::Bezier> >::const_iterator iter=bezier_list.begin();iter!=bezier_list.end();++iter)
 184         {
 185                 Point sub_trans_p1((*iter)->p1->get_sub_trans_point());
 186                 Point sub_trans_p2((*iter)->p2->get_sub_trans_point());
 187                 Point sub_trans_c1((*iter)->c1->get_sub_trans_point());
 188                 Point sub_trans_c2((*iter)->c2->get_sub_trans_point());
 189
 190                 WorkArea* w_area = get_work_area();
 191                 restrict_blinevertex_duck((*iter)->p1, *w_area, &sub_trans_p1);
 192                 restrict_blinevertex_duck((*iter)->p2, *w_area, &sub_trans_p2);
 193                 restrict_blinevertex_duck((*iter)->c1, *w_area, &sub_trans_c1);
 194                 restrict_blinevertex_duck((*iter)->c2, *w_area, &sub_trans_c2);
 195
 196                 Point window_start(window_startx,window_starty);
 197                 Point p1((*iter)->p1->get_transform_stack().perform(sub_trans_p1)-window_start);
 198                 Point p2((*iter)->p2->get_transform_stack().perform(sub_trans_p2)-window_start);
 199                 Point c1((*iter)->c1->get_transform_stack().perform(sub_trans_c1)-window_start);
 200                 Point c2((*iter)->c2->get_transform_stack().perform(sub_trans_c2)-window_start);
 201                 p1[0]/=pw;p1[1]/=ph;
 202                 p2[0]/=pw;p2[1]/=ph;
 203                 c1[0]/=pw;c1[1]/=ph;
 204                 c2[0]/=pw;c2[1]/=ph;
 205                 bezier<Point> curve(p1,c1,c2,p2);
 206                 vector<Gdk::Point> points;
 207
 208                 float f;
 209                 Point pt;
 210                 for(f=0;f<1.0;f+=1.0/17.0)
 211                 {
 212                         pt=curve(f);
 213                         points.push_back(Gdk::Point(round_to_int(pt[0]),round_to_int(pt[1])));
 214                 }
 215                 points.push_back(Gdk::Point(round_to_int(p2[0]),round_to_int(p2[1])));
 216
 217                 // Draw the curve
 218 /*              if(solid_lines)
 219                 {
 220                         gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_1);
 221                         gc->set_function(Gdk::COPY);
 222                         gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 223                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 224                         gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_2);
 225                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 226                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 227                 }
 228                 else
 229 */
 230                 {
 231 //                      gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
 232 //                      gc->set_function(Gdk::INVERT);
 233 //                      gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 234 //                      drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 235                         gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_1);
 236                         gc->set_function(Gdk::COPY);
 237                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 238                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 239                         gc->set_rgb_fg_color(DUCK_COLOR_BEZIER_2);
 240                         gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 241                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 242
 243                 }
 244         }
 245
 246
 247         const DuckList duck_list(get_work_area()->get_duck_list());
 248         //Gtk::StateType state = Gtk::STATE_ACTIVE;
 249         Gtk::ShadowType shadow=Gtk::SHADOW_OUT;
 250         std::list<ScreenDuck> screen_duck_list;
 251         const float radius((abs(pw)+abs(ph))*4);
 252
 253         etl::handle<Duck> hover_duck(get_work_area()->find_duck(get_work_area()->get_cursor_pos(),radius, get_work_area()->get_type_mask()));
 254
 255         // Render the ducks
 256         for(std::list<handle<Duck> >::const_iterator iter=duck_list.begin();iter!=duck_list.end();++iter)
 257         {
 258
 259                 // If this type of duck has been masked, then skip it
 260                 if((*iter)->get_type() && (!(get_work_area()->get_type_mask() & (*iter)->get_type())))
 261                         continue;
 262
 263 //              Real x,y;
 264         //      Gdk::Rectangle area;
 265                 Point sub_trans_point((*iter)->get_sub_trans_point());
 266                 Point sub_trans_origin((*iter)->get_sub_trans_origin());
 267                 etl::handle<Duck> origin_duck = (*iter)->get_origin_duck();
 268
 269                 bool has_connect(false);
 270                 if((*iter)->get_tangent() || (*iter)->get_type()&Duck::TYPE_ANGLE)
 271                 {
 272                         has_connect=true;
 273                 }
 274                 if((*iter)->get_connect_duck())
 275                 {
 276                         has_connect=true;
 277                         sub_trans_origin = (*iter)->get_connect_duck()->get_sub_trans_point();
 278                         origin_duck = (*iter)->get_connect_duck();
 279                 }
 280
 281
 282                 if (App::restrict_radius_ducks &&
 283                         (*iter)->is_radius())
 284                 {
 285                         if (sub_trans_point[0] < sub_trans_origin[0])
 286                                 sub_trans_point[0] = sub_trans_origin[0];
 287                         if (sub_trans_point[1] < sub_trans_origin[1])
 288                                 sub_trans_point[1] = sub_trans_origin[1];
 289                 }
 290
 291                 WorkArea* w_area = get_work_area();
 292                 restrict_blinevertex_duck((*iter), *w_area, &sub_trans_point);
 293                 if(origin_duck)
 294                         restrict_blinevertex_duck(origin_duck, *w_area, &sub_trans_origin);
 295
 296                 Point point((*iter)->get_transform_stack().perform(sub_trans_point));
 297                 Point origin((*iter)->get_transform_stack().perform(sub_trans_origin));
 298
 299                 point[0]=(point[0]-window_startx)/pw;
 300                 point[1]=(point[1]-window_starty)/ph;
 301
 302                 origin[0]=(origin[0]-window_startx)/pw;
 303                 origin[1]=(origin[1]-window_starty)/ph;
 304
 305                 bool selected(get_work_area()->duck_is_selected(*iter));
 306                 bool hover(*iter==hover_duck || (*iter)->get_hover());
 307
 308                 shadow = selected?Gtk::SHADOW_IN:Gtk::SHADOW_OUT;
 309
 310                 if(get_work_area()->get_selected_value_node())
 311                 {
 312                         synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
 313                         if (value_desc.is_valid() &&
 314                                 ((value_desc.is_value_node()            && get_work_area()->get_selected_value_node() == value_desc.get_value_node()) ||
 315                                  (value_desc.parent_is_value_node()     && get_work_area()->get_selected_value_node() == value_desc.get_parent_value_node())))
 316                         {
 317                                 gc->set_function(Gdk::COPY);
 318                                 gc->set_rgb_fg_color(DUCK_COLOR_SELECTED);
 319                                 //gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 320                                 gc->set_line_attributes(2,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 321
 322                                 drawable->draw_rectangle(gc,false,
 323                                         round_to_int(point[0]-5),
 324                                         round_to_int(point[1]-5),
 325                                         10,
 326                                         10
 327                                 );
 328                         }
 329
 330                 }
 331
 332                 if((*iter)->get_box_duck())
 333                 {
 334                         Point boxpoint((*iter)->get_box_duck()->get_trans_point());
 335                         boxpoint[0]=(boxpoint[0]-window_startx)/pw;
 336                         boxpoint[1]=(boxpoint[1]-window_starty)/ph;
 337                         Point tl(min(point[0],boxpoint[0]),min(point[1],boxpoint[1]));
 338
 339                         gc->set_function(Gdk::COPY);
 340                         gc->set_rgb_fg_color(DUCK_COLOR_BOX_1);
 341                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 342                         drawable->draw_rectangle(gc,false,
 343                                 round_to_int(tl[0]),
 344                                 round_to_int(tl[1]),
 345                                 round_to_int(abs(boxpoint[0]-point[0])),
 346                                 round_to_int(abs(boxpoint[1]-point[1]))
 347                         );
 348                         gc->set_function(Gdk::COPY);
 349                         gc->set_rgb_fg_color(DUCK_COLOR_BOX_2);
 350                         gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 351                         drawable->draw_rectangle(gc,false,
 352                                 round_to_int(tl[0]),
 353                                 round_to_int(tl[1]),
 354                                 round_to_int(abs(boxpoint[0]-point[0])),
 355                                 round_to_int(abs(boxpoint[1]-point[1]))
 356                         );
 357                 }
 358
 359                 ScreenDuck screen_duck;
 360                 screen_duck.pos=point;
 361                 screen_duck.selected=selected;
 362                 screen_duck.hover=hover;
 363
 364                 if(!(*iter)->get_editable())
 365                         screen_duck.color=(DUCK_COLOR_NOT_EDITABLE);
 366                 else if((*iter)->get_tangent())
 367                         screen_duck.color=((*iter)->get_scalar()<0 ? DUCK_COLOR_TANGENT_1 : DUCK_COLOR_TANGENT_2);
 368                 else if((*iter)->get_type()&Duck::TYPE_VERTEX)
 369                         screen_duck.color=DUCK_COLOR_VERTEX;
 370                 else if((*iter)->get_type()&Duck::TYPE_RADIUS)
 371                         screen_duck.color=DUCK_COLOR_RADIUS;
 372                 else if((*iter)->get_type()&Duck::TYPE_WIDTH)
 373                         screen_duck.color=DUCK_COLOR_WIDTH;
 374                 else if((*iter)->get_type()&Duck::TYPE_ANGLE)
 375                         screen_duck.color=(DUCK_COLOR_ANGLE);
 376                 else
 377                         screen_duck.color=DUCK_COLOR_OTHER;
 378
 379                 screen_duck_list.push_front(screen_duck);
 380
 381                 if(has_connect)
 382                 {
 383                         if(solid_lines)
 384                         {
 385                                 gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 386                                 gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_OUTSIDE);
 387                                 gc->set_function(Gdk::COPY);
 388                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 389                                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 390                                 gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_INSIDE);
 391                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 392                         }
 393                         else
 394                         {
 395 //                              gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
 396 //                              gc->set_function(Gdk::INVERT);
 397 //                              drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 398                                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 399                                 gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_OUTSIDE);
 400                                 gc->set_function(Gdk::COPY);
 401                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 402                                 gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 403                                 gc->set_rgb_fg_color(DUCK_COLOR_CONNECT_INSIDE);
 404                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 405                         }
 406                 }
 407
 408                 if((*iter)->is_radius())
 409                 {
 410                         const Real mag((point-origin).mag());
 411                         const int d(round_to_int(mag*2));
 412                         const int x(round_to_int(origin[0]-mag));
 413                         const int y(round_to_int(origin[1]-mag));
 414
 415                         if(solid_lines)
 416                         {
 417                                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 418                                 gc->set_function(Gdk::COPY);
 419                                 gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 420                                 drawable->draw_arc(
 421                                         gc,
 422                                         false,
 423                                         x,
 424                                         y,
 425                                         d,
 426                                         d,
 427                                         0,
 428                                         360*64
 429                                 );
 430                                 gc->set_rgb_fg_color(Gdk::Color("#afafaf"));
 431                         }
 432                         else
 433                         {
 434                                 gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
 435                                 gc->set_function(Gdk::INVERT);
 436                         }
 437                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 438
 439                         drawable->draw_arc(
 440                                 gc,
 441                                 false,
 442                                 x,
 443                                 y,
 444                                 d,
 445                                 d,
 446                                 0,
 447                                 360*64
 448                         );
 449
 450                         if(hover)
 451                         {
 452                                 Real mag;
 453                                 if (App::restrict_radius_ducks)
 454                                 {
 455                                         Point sub_trans_point((*iter)->get_sub_trans_point());
 456                                         Point sub_trans_origin((*iter)->get_sub_trans_origin());
 457
 458                                         if (sub_trans_point[0] < sub_trans_origin[0])
 459                                                 sub_trans_point[0] = sub_trans_origin[0];
 460                                         if (sub_trans_point[1] < sub_trans_origin[1])
 461                                                 sub_trans_point[1] = sub_trans_origin[1];
 462
 463                                         Point point((*iter)->get_transform_stack().perform(sub_trans_point));
 464                                         Point origin((*iter)->get_transform_stack().perform(sub_trans_origin));
 465
 466                                         mag = (point-origin).mag();
 467                                 }
 468                                 else
 469                                         mag = ((*iter)->get_trans_point()-(*iter)->get_trans_origin()).mag();
 470
 471                                 Distance real_mag(mag, Distance::SYSTEM_UNITS);
 472                                 real_mag.convert(App::distance_system,get_work_area()->get_rend_desc());
 473                                 layout->set_text(real_mag.get_string());
 474
 475                                 gc->set_rgb_fg_color(DUCK_COLOR_WIDTH_TEXT_1);
 476                                 drawable->draw_layout(
 477                                         gc,
 478                                         round_to_int(point[0])+1+6,
 479                                         round_to_int(point[1])+1-8,
 480                                         layout
 481                                 );
 482                                 gc->set_rgb_fg_color(DUCK_COLOR_WIDTH_TEXT_2);
 483                                 drawable->draw_layout(
 484                                         gc,
 485                                         round_to_int(point[0])+6,
 486                                         round_to_int(point[1])-8,
 487                                         layout
 488                                 );
 489                         }
 490
 491                 }
 492
 493         }
 494
 495
 496         for(;screen_duck_list.size();screen_duck_list.pop_front())
 497         {
 498                 int radius=4;
 499                 int outline=1;
 500                 Gdk::Color color(screen_duck_list.front().color);
 501
 502                 if(!screen_duck_list.front().selected)
 503                 {
 504                         color.set_red(color.get_red()*2/3);
 505                         color.set_green(color.get_green()*2/3);
 506                         color.set_blue(color.get_blue()*2/3);
 507                 }
 508
 509                 if(screen_duck_list.front().hover && !screen_duck_list.back().hover && screen_duck_list.size()>1)
 510                 {
 511                         screen_duck_list.push_back(screen_duck_list.front());
 512                         continue;
 513                 }
 514
 515                 if(screen_duck_list.front().hover)
 516                 {
 517                         radius+=2;
 518                         outline++;
 519                 }
 520
 521                 gc->set_function(Gdk::COPY);
 522                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 523                 gc->set_rgb_fg_color(DUCK_COLOR_OUTLINE);
 524                 drawable->draw_arc(
 525                         gc,
 526                         true,
 527                         round_to_int(screen_duck_list.front().pos[0]-radius),
 528                         round_to_int(screen_duck_list.front().pos[1]-radius),
 529                         radius*2,
 530                         radius*2,
 531                         0,
 532                         360*64
 533                 );
 534
 535
 536                 gc->set_rgb_fg_color(color);
 537
 538                 drawable->draw_arc(
 539                         gc,
 540                         true,
 541                         round_to_int(screen_duck_list.front().pos[0]-radius+outline),
 542                         round_to_int(screen_duck_list.front().pos[1]-radius+outline),
 543                         radius*2-outline*2,
 544                         radius*2-outline*2,
 545                         0,
 546                         360*64
 547                 );
 548         }
 549 }