synfig-studio/src/gtkmm/renderer_timecode.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file renderer_timecode.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 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_timecode.h"
  34 #include "workarea.h"
  35 #include <pangomm/layout.h>
  36 #include <pangomm/context.h>
  37 #include "app.h"
  38 #include <cassert>
  39
  40 #include "general.h"
  41
  42 #endif
  43
  44 /* === U S I N G =========================================================== */
  45
  46 using namespace std;
  47 using namespace etl;
  48 using namespace synfig;
  49 using namespace studio;
  50
  51 /* === M A C R O S ========================================================= */
  52
  53 /* === G L O B A L S ======================================================= */
  54
  55 /* === P R O C E D U R E S ================================================= */
  56
  57 /* === M E T H O D S ======================================================= */
  58
  59 Renderer_Timecode::~Renderer_Timecode()
  60 {
  61 }
  62
  63 bool
  64 Renderer_Timecode::get_enabled_vfunc()const
  65 {
  66         Canvas::Handle canvas(get_work_area()->get_canvas());
  67         return (canvas->rend_desc().get_time_start()!=canvas->rend_desc().get_time_end() ||
  68                 canvas->get_time()!=canvas->rend_desc().get_time_start());
  69 }
  70
  71 synfig::Vector
  72 Renderer_Timecode::get_grid_size()const
  73 {
  74         return get_work_area()->get_grid_size();
  75 }
  76
  77 void
  78 Renderer_Timecode::render_vfunc(
  79         const Glib::RefPtr<Gdk::Drawable>& drawable,
  80         const Gdk::Rectangle& /*expose_area*/
  81 )
  82 {
  83         assert(get_work_area());
  84         if(!get_work_area())
  85                 return;
  86
  87         //const synfig::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
  88
  89         const synfig::Vector focus_point(get_work_area()->get_focus_point());
  90
  91         //std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
  92
  93         int drawable_w,drawable_h;
  94         drawable->get_size(drawable_w,drawable_h);
  95
  96         // Calculate the window coordinates of the top-left
  97         // corner of the canvas.
  98 //      const synfig::Vector::value_type
  99 //              x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
 100 //              y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
 101
 102         /*const synfig::Vector::value_type window_startx(window_tl[0]);
 103         const synfig::Vector::value_type window_endx(window_br[0]);
 104         const synfig::Vector::value_type window_starty(window_tl[1]);
 105         const synfig::Vector::value_type window_endy(window_br[1]);
 106         */
 107 //      const int
 108 //              tile_w(get_work_area()->get_tile_w()),
 109 //              tile_h(get_work_area()->get_tile_h());
 110
 111 //      const int
 112 //              w(get_w()),
 113 //              h(get_h());
 114
 115         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
 116
 117         //const synfig::Vector grid_size(get_grid_size());
 118
 119 //      const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 120 //      const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
 121 //      const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 122 //      const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
 123 //      const float pw(get_pw()),ph(get_ph());
 124
 125         Canvas::Handle canvas(get_work_area()->get_canvas());
 126         synfig::Time cur_time(canvas->get_time());
 127
 128         // Print out the timecode
 129         {
 130                 Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_work_area()->get_pango_context()));
 131
 132 /*              Glib::ustring timecode(cur_time.get_string(rend_desc.get_frame_rate(),App::get_time_format()));
 133
 134                 try
 135                 {
 136                         timecode+="\n"+canvas->keyframe_list().find(cur_time)->get_description();
 137                         gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
 138                 }
 139                 catch(synfig::Exception::NotFound)
 140                 {
 141                         return;
 142                         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 143                 }
 144
 145                 layout->set_text(timecode);
 146 */
 147
 148                 gc->set_rgb_fg_color(Gdk::Color("#5f0000"));
 149                 try
 150                 {
 151                         int w, h;
 152                         layout->set_text(canvas->keyframe_list().find(cur_time)->get_description());
 153                         layout->get_size(w, h);
 154                         get_work_area()->timecode_width = int(w*1.0/Pango::SCALE);
 155                         get_work_area()->timecode_height = int(h*1.0/Pango::SCALE);
 156                 }
 157                 catch(synfig::Exception::NotFound)
 158                 {
 159                         get_work_area()->timecode_width = get_work_area()->timecode_height = 0;
 160                         return;
 161                 }
 162                 catch(...) {
 163                         assert(0);
 164                 }
 165
 166                 drawable->draw_layout(gc, 4, 4, layout);
 167         }
 168 }