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 #include "general.h"
  42
  43 #endif
  44
  45 /* === U S I N G =========================================================== */
  46
  47 using namespace std;
  48 using namespace etl;
  49 using namespace synfig;
  50 using namespace studio;
  51
  52 /* === M A C R O S ========================================================= */
  53
  54 /* === G L O B A L S ======================================================= */
  55
  56 /* === P R O C E D U R E S ================================================= */
  57
  58 /* === M E T H O D S ======================================================= */
  59
  60 Renderer_Timecode::~Renderer_Timecode()
  61 {
  62 }
  63
  64 bool
  65 Renderer_Timecode::get_enabled_vfunc()const
  66 {
  67         Canvas::Handle canvas(get_work_area()->get_canvas());
  68         return (canvas->rend_desc().get_time_start()!=canvas->rend_desc().get_time_end() ||
  69                 canvas->get_time()!=canvas->rend_desc().get_time_start());
  70 }
  71
  72 synfig::Vector
  73 Renderer_Timecode::get_grid_size()const
  74 {
  75         return get_work_area()->get_grid_size();
  76 }
  77
  78 void
  79 Renderer_Timecode::render_vfunc(
  80         const Glib::RefPtr<Gdk::Drawable>& drawable,
  81         const Gdk::Rectangle& /*expose_area*/
  82 )
  83 {
  84         assert(get_work_area());
  85         if(!get_work_area())
  86                 return;
  87
  88         //const synfig::RendDesc &rend_desc(get_work_area()->get_canvas()->rend_desc());
  89
  90         const synfig::Vector focus_point(get_work_area()->get_focus_point());
  91
  92         //std::vector< std::pair<Glib::RefPtr<Gdk::Pixbuf>,int> >& tile_book(get_tile_book());
  93
  94         int drawable_w,drawable_h;
  95         drawable->get_size(drawable_w,drawable_h);
  96
  97         // Calculate the window coordinates of the top-left
  98         // corner of the canvas.
  99 //      const synfig::Vector::value_type
 100 //              x(focus_point[0]/get_pw()+drawable_w/2-get_w()/2),
 101 //              y(focus_point[1]/get_ph()+drawable_h/2-get_h()/2);
 102
 103         /*const synfig::Vector::value_type window_startx(window_tl[0]);
 104         const synfig::Vector::value_type window_endx(window_br[0]);
 105         const synfig::Vector::value_type window_starty(window_tl[1]);
 106         const synfig::Vector::value_type window_endy(window_br[1]);
 107         */
 108 //      const int
 109 //              tile_w(get_work_area()->get_tile_w()),
 110 //              tile_h(get_work_area()->get_tile_h());
 111
 112 //      const int
 113 //              w(get_w()),
 114 //              h(get_h());
 115
 116         Glib::RefPtr<Gdk::GC> gc(Gdk::GC::create(drawable));
 117
 118         //const synfig::Vector grid_size(get_grid_size());
 119
 120 //      const synfig::Vector::value_type window_startx(get_work_area()->get_window_tl()[0]);
 121 //      const synfig::Vector::value_type window_endx(get_work_area()->get_window_br()[0]);
 122 //      const synfig::Vector::value_type window_starty(get_work_area()->get_window_tl()[1]);
 123 //      const synfig::Vector::value_type window_endy(get_work_area()->get_window_br()[1]);
 124 //      const float pw(get_pw()),ph(get_ph());
 125
 126         Canvas::Handle canvas(get_work_area()->get_canvas());
 127         synfig::Time cur_time(canvas->get_time());
 128
 129         // Print out the timecode
 130         {
 131                 Glib::RefPtr<Pango::Layout> layout(Pango::Layout::create(get_work_area()->get_pango_context()));
 132
 133 /*              Glib::ustring timecode(cur_time.get_string(rend_desc.get_frame_rate(),App::get_time_format()));
 134
 135                 try
 136                 {
 137                         timecode+="\n"+canvas->keyframe_list().find(cur_time)->get_description();
 138                         gc->set_rgb_fg_color(Gdk::Color("#FF0000"));
 139                 }
 140                 catch(synfig::Exception::NotFound)
 141                 {
 142                         return;
 143                         gc->set_rgb_fg_color(Gdk::Color("#000000"));
 144                 }
 145
 146                 layout->set_text(timecode);
 147 */
 148
 149                 gc->set_rgb_fg_color(Gdk::Color("#5f0000"));
 150                 try
 151                 {
 152                         int w, h;
 153                         layout->set_text(canvas->keyframe_list().find(cur_time)->get_description());
 154                         layout->get_size(w, h);
 155                         get_work_area()->timecode_width = int(w*1.0/Pango::SCALE);
 156                         get_work_area()->timecode_height = int(h*1.0/Pango::SCALE);
 157                 }
 158                 catch(synfig::Exception::NotFound)
 159                 {
 160                         get_work_area()->timecode_width = get_work_area()->timecode_height = 0;
 161                         return;
 162                 }
 163                 catch(...) {
 164                         assert(0);
 165                 }
 166
 167                 drawable->draw_layout(gc, 4, 4, layout);
 168         }
 169 }