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