synfig-studio/tags/stable/src/gtkmm/renderer_guides.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file renderer_guides.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   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_guides.h"
  33 #include "workarea.h"
  34 #include <ETL/misc>
  35
  36 #include "general.h"
  37
  38 #endif
  39
  40 /* === U S I N G =========================================================== */
  41
  42 using namespace std;
  43 using namespace etl;
  44 using namespace synfig;
  45 using namespace studio;
  46
  47 /* === M A C R O S ========================================================= */
  48
  49 /* === G L O B A L S ======================================================= */
  50
  51 /* === P R O C E D U R E S ================================================= */
  52
  53 /* === M E T H O D S ======================================================= */
  54
  55 Renderer_Guides::Renderer_Guides():
  56         dragging(false)
  57 {
  58
  59 }
  60
  61 Renderer_Guides::~Renderer_Guides()
  62 {
  63 }
  64
  65 bool
  66 Renderer_Guides::get_enabled_vfunc()const
  67 {
  68         return get_work_area()->get_show_guides();
  69 }
  70
  71 std::list<float>&
  72 Renderer_Guides::get_guide_list_x()
  73 {
  74         return get_work_area()->get_guide_list_x();
  75 }
  76
  77 std::list<float>&
  78 Renderer_Guides::get_guide_list_y()
  79 {
  80         return get_work_area()->get_guide_list_y();
  81 }
  82
  83 bool
  84 Renderer_Guides::event_vfunc(GdkEvent* event)
  85 {
  86         synfig::Point mouse_pos;
  87         // float bezier_click_pos;
  88         // const float radius((abs(get_pw())+abs(get_ph()))*4);
  89         int button_pressed(0);
  90         float pressure(0);
  91         bool is_mouse(false);
  92         Gdk::ModifierType modifier(Gdk::ModifierType(0));
  93
  94         // Handle input stuff
  95         if(
  96                 event->any.type==GDK_MOTION_NOTIFY ||
  97                 event->any.type==GDK_BUTTON_PRESS ||
  98                 event->any.type==GDK_2BUTTON_PRESS ||
  99                 event->any.type==GDK_3BUTTON_PRESS ||
 100                 event->any.type==GDK_BUTTON_RELEASE
 101         )
 102         {
 103                 GdkDevice *device;
 104                 if(event->any.type==GDK_MOTION_NOTIFY)
 105                 {
 106                         device=event->motion.device;
 107                         modifier=Gdk::ModifierType(event->motion.state);
 108                 }
 109                 else
 110                 {
 111                         device=event->button.device;
 112                         modifier=Gdk::ModifierType(event->button.state);
 113                 }
 114
 115                 // Make sure we recognize the device
 116                 /*if(curr_input_device)
 117                 {
 118                         if(curr_input_device!=device)
 119                         {
 120                                 assert(device);
 121                                 curr_input_device=device;
 122                                 signal_input_device_changed()(curr_input_device);
 123                         }
 124                 }
 125                 else*/ if(device)
 126                 {
 127                         //curr_input_device=device;
 128                         //signal_input_device_changed()(curr_input_device);
 129                 }
 130
 131                 //assert(curr_input_device);
 132
 133                 // Calculate the position of the
 134                 // input device in canvas coordinates
 135                 // and the buttons
 136                 if(!event->button.axes)
 137                 {
 138                         mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(event->button.x,event->button.y)));
 139                         button_pressed=event->button.button;
 140                         pressure=1.0f;
 141                         is_mouse=true;
 142                         if(isnan(event->button.x) || isnan(event->button.y))
 143                                 return false;
 144                 }
 145                 else
 146                 {
 147                         double x(event->button.axes[0]);
 148                         double y(event->button.axes[1]);
 149                         if(isnan(x) || isnan(y))
 150                                 return false;
 151
 152                         pressure=event->button.axes[2];
 153                         //synfig::info("pressure=%f",pressure);
 154                         pressure-=0.04f;
 155                         pressure/=1.0f-0.04f;
 156
 157
 158                         assert(!isnan(pressure));
 159
 160                         mouse_pos=synfig::Point(screen_to_comp_coords(synfig::Point(x,y)));
 161
 162                         button_pressed=event->button.button;
 163
 164                         if(button_pressed==1 && pressure<0 && (event->any.type!=GDK_BUTTON_RELEASE && event->any.type!=GDK_BUTTON_PRESS))
 165                                 button_pressed=0;
 166                         if(pressure<0)
 167                                 pressure=0;
 168
 169                         //if(event->any.type==GDK_BUTTON_PRESS && button_pressed)
 170                         //      synfig::info("Button pressed on input device = %d",event->button.button);
 171
 172                         //if(event->button.axes[2]>0.1)
 173                         //      button_pressed=1;
 174                         //else
 175                         //      button_pressed=0;
 176                 }
 177         }
 178         switch(event->type)
 179     {
 180         case GDK_BUTTON_PRESS:
 181                 break;
 182         case GDK_MOTION_NOTIFY:
 183                 break;
 184         case GDK_BUTTON_RELEASE:
 185                 break;
 186         default:
 187                 break;
 188         }
 189
 190         return false;
 191 }
 192
 193 void
 194 Renderer_Guides::render_vfunc(
 195         const Glib::RefPtr<Gdk::Drawable>& drawable,
 196         const Gdk::Rectangle& /*expose_area*/
 197 )
 198 {
 199         assert(get_work_area());
 200         if(!get_work_area())
 201                 return;
 202
 203         // const synfig::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
 204
 205         const synfig::Vector focus_point(get_work_area()->get_focus_point());
 206
 207         //std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
 208
 209         int drawable_w,drawable_h;
 210         drawable->get_size(drawable_w,drawable_h);
 211
 212         // Calculate the window coordinates of the top-left
 213         // corner of the canvas.
 214         // const synfig::Vector::value_type
 215         //      x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
 216         //      y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
 217
 218         /*const synfig::Vector::value_type window_startx(window_tl[0]);
 219         const synfig::Vector::value_type window_endx(window_br[0]);
 220         const synfig::Vector::value_type window_starty(window_tl[1]);
 221         const synfig::Vector::value_type window_endy(window_br[1]);
 222         */
 223         // const int
 224         //      tile_w(get_work_area()->get_tile_w()),
 225         //      tile_h(get_work_area()->get_tile_h());
 226
 227         // const int
 228         //      w(get_w()),
 229         //      h(get_h());
 230
 231         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
 232
 233         //const synfig::Vector grid_size(get_grid_size());
 234
 235         const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 236         // const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
 237         const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 238         // const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
 239         const float pw(get_pw()),ph(get_ph());
 240
 241         // Draw out the guides
 242         {
 243                 gc->set_function(Gdk::COPY);
 244                 gc->set_rgb_fg_color(Gdk::Color("#9f9fff"));
 245                 gc->set_line_attributes(1,Gdk::LINE_ON_OFF_DASH,Gdk::CAP_BUTT,Gdk::JOIN_MITER);
 246
 247                 Duckmatic::GuideList::const_iterator iter;
 248
 249                 // vertical
 250                 for(iter=get_guide_list_x().begin();iter!=get_guide_list_x().end();++iter)
 251                 {
 252                         const float x((*iter-window_startx)/pw);
 253
 254                         if(iter==get_work_area()->curr_guide)
 255                                 gc->set_rgb_fg_color(Gdk::Color("#ff6f6f"));
 256                         else
 257                                 gc->set_rgb_fg_color(Gdk::Color("#6f6fff"));
 258
 259                         drawable->draw_line(gc,
 260                                 round_to_int(x),
 261                                 0,
 262                                 round_to_int(x),
 263                                 drawable_h
 264                         );
 265                 }
 266                 // horizontal
 267                 for(iter=get_guide_list_y().begin();iter!=get_guide_list_y().end();++iter)
 268                 {
 269                         const float y((*iter-window_starty)/ph);
 270
 271                         if(iter==get_work_area()->curr_guide)
 272                                 gc->set_rgb_fg_color(Gdk::Color("#ff6f6f"));
 273                         else
 274                                 gc->set_rgb_fg_color(Gdk::Color("#6f6fff"));
 275
 276                         drawable->draw_line(gc,
 277                                 0,
 278                                 round_to_int(y),
 279                                 drawable_w,
 280                                 round_to_int(y)
 281                         );
 282                 }
 283         }
 284 }