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

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file template.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: renderer_ducks.cpp,v 1.1.1.1 2005/01/07 03:34:36 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include "renderer_ducks.h"
  33 #include "workarea.h"
  34 #include "duckmatic.h"
  35 #include <ETL/bezier>
  36 #include <ETL/misc>
  37 #include "widget_color.h"
  38 #include <synfig/distance.h>
  39 #include "app.h"
  40
  41 #endif
  42
  43 /* === U S I N G =========================================================== */
  44
  45 using namespace std;
  46 using namespace etl;
  47 using namespace synfig;
  48 using namespace studio;
  49
  50 /* === M A C R O S ========================================================= */
  51
  52 /* === G L O B A L S ======================================================= */
  53
  54 /* === P R O C E D U R E S ================================================= */
  55
  56 /* === M E T H O D S ======================================================= */
  57
  58 Renderer_Ducks::~Renderer_Ducks()
  59 {
  60 }
  61
  62 /*
  63 bool
  64 Renderer_Ducks::get_enabled_vfunc()const
  65 {
  66         return get_work_area()->grid_status();
  67 }
  68 */
  69
  70 struct ScreenDuck
  71 {
  72         synfig::Point pos;
  73         Gdk::Color color;
  74         bool selected;
  75         bool hover;
  76         Real width;
  77
  78         ScreenDuck():width(0) { }
  79 };
  80
  81 void
  82 Renderer_Ducks::render_vfunc(
  83         const Glib::RefPtr<Gdk::Drawable>& drawable,
  84         const Gdk::Rectangle& expose_area
  85 )
  86 {
  87         assert(get_work_area());
  88         if(!get_work_area())
  89                 return;
  90
  91         const synfig::Vector focus_point(get_work_area()->get_focus_point());
  92
  93
  94         int drawable_w,drawable_h;
  95         drawable->get_size(drawable_w,drawable_h);
  96
  97         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
  98
  99
 100         const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 101         const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 102
 103         const float pw(get_pw()),ph(get_ph());
 104
 105         const std::list<etl::handle<Duckmatic::Bezier> >& bezier_list(get_work_area()->bezier_list());
 106         const bool solid_lines(get_work_area()->solid_lines);
 107
 108         const std::list<handle<Duckmatic::Stroke> >& stroke_list(get_work_area()->stroke_list());
 109
 110         Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_work_area()->get_pango_context()));
 111
 112         // Render the strokes
 113         for(std::list<handle<Duckmatic::Stroke> >::const_iterator iter=stroke_list.begin();iter!=stroke_list.end();++iter)
 114         {
 115                 Point window_start(window_startx,window_starty);
 116                 vector<Gdk::Point> points;
 117                 std::list<synfig::Point>::iterator iter2;
 118                 Point holder;
 119
 120                 for(iter2=(*iter)->stroke_data->begin();iter2!=(*iter)->stroke_data->end();++iter2)
 121                 {
 122                         holder=*iter2-window_start;
 123                         holder[0]/=pw;holder[1]/=ph;
 124                         points.push_back(Gdk::Point(round_to_int(holder[0]),round_to_int(holder[1])));
 125                 }
 126
 127                 gc->set_rgb_fg_color(colorconv_synfig2gdk((*iter)->color));
 128                 gc->set_function(Gdk::COPY);
 129                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 130
 131                 // Draw the stroke
 132                 drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 133         }
 134
 135
 136
 137         // Render the beziers
 138         for(std::list<handle<Duckmatic::Bezier> >::const_iterator iter=bezier_list.begin();iter!=bezier_list.end();++iter)
 139         {
 140                 Point window_start(window_startx,window_starty);
 141                 Point p1((*iter)->p1->get_trans_point()-window_start);
 142                 Point p2((*iter)->p2->get_trans_point()-window_start);
 143                 Point c1((*iter)->c1->get_trans_point()-window_start);
 144                 Point c2((*iter)->c2->get_trans_point()-window_start);
 145                 p1[0]/=pw;p1[1]/=ph;
 146                 p2[0]/=pw;p2[1]/=ph;
 147                 c1[0]/=pw;c1[1]/=ph;
 148                 c2[0]/=pw;c2[1]/=ph;
 149                 bezier<Point> curve(p1,c1,c2,p2);
 150                 vector<Gdk::Point> points;
 151
 152                 float f;
 153                 Point pt;
 154                 for(f=0;f<1.0;f+=1.0/17.0)
 155                 {
 156                         pt=curve(f);
 157                         points.push_back(Gdk::Point(round_to_int(pt[0]),round_to_int(pt[1])));
 158                 }
 159                 points.push_back(Gdk::Point(round_to_int(p2[0]),round_to_int(p2[1])));
 160
 161                 // Draw the curve
 162 /*              if(solid_lines)
 163                 {
 164                         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 165                         gc->set_function(Gdk::COPY);
 166                         gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 167                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 168                         gc->set_rgb_fg_color(Gdk::Color("#afafaf"));
 169                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 170                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 171                 }
 172                 else
 173 */
 174                 {
 175 //                      gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
 176 //                      gc->set_function(Gdk::INVERT);
 177 //                      gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 178 //                      drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 179                         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 180                         gc->set_function(Gdk::COPY);
 181                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 182                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 183                         gc->set_rgb_fg_color(Gdk::Color("#afafaf"));
 184                         gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 185                         drawable->draw_lines(gc, Glib::ArrayHandle<Gdk::Point>(points));
 186
 187                 }
 188         }
 189
 190
 191         const DuckList duck_list(get_work_area()->get_duck_list());
 192         //Gtk::StateType state = Gtk::STATE_ACTIVE;
 193         Gtk::ShadowType shadow=Gtk::SHADOW_OUT;
 194         std::list<ScreenDuck> screen_duck_list;
 195         const float radius((abs(pw)+abs(ph))*4);
 196
 197         etl::handle<Duck> hover_duck(get_work_area()->find_duck(get_work_area()->get_cursor_pos(),radius, get_work_area()->get_type_mask()));
 198
 199         // Render the ducks
 200         for(std::list<handle<Duck> >::const_iterator iter=duck_list.begin();iter!=duck_list.end();++iter)
 201         {
 202
 203                 // If this type of duck has been masked, then skip it
 204                 if((*iter)->get_type() && (!(get_work_area()->get_type_mask() & (*iter)->get_type())))
 205                         continue;
 206
 207 //              Real x,y;
 208         //      Gdk::Rectangle area;
 209                 Point point((*iter)->get_trans_point());
 210                 Point origin((*iter)->get_trans_origin());
 211
 212                 point[0]=(point[0]-window_startx)/pw;
 213                 point[1]=(point[1]-window_starty)/ph;
 214
 215                 bool has_connect(false);
 216                 if((*iter)->get_tangent() || (*iter)->get_type()&Duck::TYPE_ANGLE)
 217                 {
 218                         has_connect=true;
 219                 }
 220                 if((*iter)->get_connect_duck())
 221                 {
 222                         has_connect=true;
 223                         origin=(*iter)->get_connect_duck()->get_trans_point();
 224                 }
 225
 226                 origin[0]=(origin[0]-window_startx)/pw;
 227                 origin[1]=(origin[1]-window_starty)/ph;
 228
 229
 230                 bool selected(get_work_area()->duck_is_selected(*iter));
 231                 bool hover(*iter==hover_duck);
 232
 233                 shadow = selected?Gtk::SHADOW_IN:Gtk::SHADOW_OUT;
 234
 235                 if(get_work_area()->get_selected_value_node())
 236                 {
 237                         synfigapp::ValueDesc value_desc((*iter)->get_value_desc());
 238                         if(value_desc.is_valid() && value_desc.is_value_node() && get_work_area()->get_selected_value_node()==value_desc.get_value_node())
 239                         {
 240                                 gc->set_function(Gdk::COPY);
 241                                 gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
 242                                 //gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 243                                 gc->set_line_attributes(2,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 244
 245                                 drawable->draw_rectangle(gc,false,
 246                                         round_to_int(point[0]-5),
 247                                         round_to_int(point[1]-5),
 248                                         10,
 249                                         10
 250                                 );
 251                         }
 252
 253                 }
 254
 255                 if((*iter)->get_box_duck())
 256                 {
 257                         Point boxpoint((*iter)->get_box_duck()->get_trans_point());
 258                         boxpoint[0]=(boxpoint[0]-window_startx)/pw;
 259                         boxpoint[1]=(boxpoint[1]-window_starty)/ph;
 260                         Point tl(min(point[0],boxpoint[0]),min(point[1],boxpoint[1]));
 261
 262                         gc->set_function(Gdk::COPY);
 263                         gc->set_rgb_fg_color(Gdk::Color("#FFFFFF"));
 264                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 265                         drawable->draw_rectangle(gc,false,
 266                                 round_to_int(tl[0]),
 267                                 round_to_int(tl[1]),
 268                                 round_to_int(abs(boxpoint[0]-point[0])),
 269                                 round_to_int(abs(boxpoint[1]-point[1]))
 270                         );
 271                         gc->set_function(Gdk::COPY);
 272                         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 273                         gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 274                         drawable->draw_rectangle(gc,false,
 275                                 round_to_int(tl[0]),
 276                                 round_to_int(tl[1]),
 277                                 round_to_int(abs(boxpoint[0]-point[0])),
 278                                 round_to_int(abs(boxpoint[1]-point[1]))
 279                         );
 280                 }
 281
 282                 ScreenDuck screen_duck;
 283                 screen_duck.pos=point;
 284                 screen_duck.selected=selected;
 285                 screen_duck.hover=hover;
 286
 287                 if(!(*iter)->get_editable())
 288                         screen_duck.color=(Gdk::Color("#cfcfcf"));
 289                 else if((*iter)->get_tangent())
 290                         screen_duck.color=((*iter)->get_scalar()<0?Gdk::Color("#ffff00"):Gdk::Color("#ff0000"));
 291                 else if((*iter)->get_type()&Duck::TYPE_VERTEX)
 292                         screen_duck.color=Gdk::Color("#ff7f00");
 293                 else if((*iter)->get_type()&Duck::TYPE_RADIUS)
 294                         screen_duck.color=Gdk::Color("#00ffff");
 295                 else if((*iter)->get_type()&Duck::TYPE_WIDTH)
 296                         screen_duck.color=Gdk::Color("#ff00ff");
 297                 else if((*iter)->get_type()&Duck::TYPE_ANGLE)
 298                         screen_duck.color=(Gdk::Color("#0000ff"));
 299                 else
 300                         screen_duck.color=Gdk::Color("#00ff00");
 301
 302                 screen_duck_list.push_front(screen_duck);
 303
 304                 if(has_connect)
 305                 {
 306                         if(solid_lines)
 307                         {
 308                                 gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 309                                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 310                                 gc->set_function(Gdk::COPY);
 311                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 312                                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 313                                 gc->set_rgb_fg_color(Gdk::Color("#9fefef"));
 314                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 315                         }
 316                         else
 317                         {
 318 //                              gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
 319 //                              gc->set_function(Gdk::INVERT);
 320 //                              drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 321                                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 322                                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 323                                 gc->set_function(Gdk::COPY);
 324                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 325                                 gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 326                                 gc->set_rgb_fg_color(Gdk::Color("#9fefef"));
 327                                 drawable->draw_line(gc, (int)origin[0],(int)origin[1],(int)(point[0]),(int)(point[1]));
 328                         }
 329                 }
 330
 331                 if((*iter)->is_radius())
 332                 {
 333                         const Real mag((point-origin).mag());
 334                         const int d(round_to_int(mag*2));
 335                         const int x(round_to_int(origin[0]-mag));
 336                         const int y(round_to_int(origin[1]-mag));
 337
 338                         if(solid_lines)
 339                         {
 340                                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 341                                 gc->set_function(Gdk::COPY);
 342                                 gc->set_line_attributes(3,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 343                                 drawable->draw_arc(
 344                                         gc,
 345                                         false,
 346                                         x,
 347                                         y,
 348                                         d,
 349                                         d,
 350                                         0,
 351                                         360*64
 352                                 );
 353                                 gc->set_rgb_fg_color(Gdk::Color("#afafaf"));
 354                         }
 355                         else
 356                         {
 357                                 gc->set_rgb_fg_color(Gdk::Color("#ffffff"));
 358                                 gc->set_function(Gdk::INVERT);
 359                         }
 360                         gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 361
 362                         drawable->draw_arc(
 363                                 gc,
 364                                 false,
 365                                 x,
 366                                 y,
 367                                 d,
 368                                 d,
 369                                 0,
 370                                 360*64
 371                         );
 372
 373                         if(hover)
 374                         {
 375                                 Distance real_mag(((*iter)->get_trans_point()-(*iter)->get_trans_origin()).mag(),Distance::SYSTEM_UNITS);
 376                                 real_mag.convert(App::distance_system,get_work_area()->get_rend_desc());
 377                                 layout->set_text(real_mag.get_string());
 378
 379                                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 380                                 drawable->draw_layout(
 381                                         gc,
 382                                         round_to_int(point[0])+1+6,
 383                                         round_to_int(point[1])+1-8,
 384                                         layout
 385                                 );
 386                                 gc->set_rgb_fg_color(Gdk::Color("#FF00FF"));
 387                                 drawable->draw_layout(
 388                                         gc,
 389                                         round_to_int(point[0])+6,
 390                                         round_to_int(point[1])-8,
 391                                         layout
 392                                 );
 393                         }
 394
 395                 }
 396
 397         }
 398
 399
 400         for(;screen_duck_list.size();screen_duck_list.pop_front())
 401         {
 402                 int radius=4;
 403                 int outline=1;
 404                 Gdk::Color color(screen_duck_list.front().color);
 405
 406                 if(!screen_duck_list.front().selected)
 407                 {
 408                         color.set_red(color.get_red()*2/3);
 409                         color.set_green(color.get_green()*2/3);
 410                         color.set_blue(color.get_blue()*2/3);
 411                 }
 412
 413                 if(screen_duck_list.front().hover && !screen_duck_list.back().hover && screen_duck_list.size()>1)
 414                 {
 415                         screen_duck_list.push_back(screen_duck_list.front());
 416                         continue;
 417                 }
 418
 419                 if(screen_duck_list.front().hover)
 420                 {
 421                         radius+=2;
 422                         outline++;
 423                 }
 424
 425                 gc->set_function(Gdk::COPY);
 426                 gc->set_line_attributes(1,Gdk::LINE_SOLID,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 427                 gc->set_rgb_fg_color(Gdk::Color("#000000"));
 428                 drawable->draw_arc(
 429                         gc,
 430                         true,
 431                         round_to_int(screen_duck_list.front().pos[0]-radius),
 432                         round_to_int(screen_duck_list.front().pos[1]-radius),
 433                         radius*2,
 434                         radius*2,
 435                         0,
 436                         360*64
 437                 );
 438
 439
 440                 gc->set_rgb_fg_color(color);
 441
 442                 drawable->draw_arc(
 443                         gc,
 444                         true,
 445                         round_to_int(screen_duck_list.front().pos[0]-radius+outline),
 446                         round_to_int(screen_duck_list.front().pos[1]-radius+outline),
 447                         radius*2-outline*2,
 448                         radius*2-outline*2,
 449                         0,
 450                         360*64
 451                 );
 452         }
 453 }