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