cinelerra-5.1/cinelerra/transition.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  * Copyright (C) 2003-2016 Cinelerra CV contributors
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  */
  22
  23 #include "edit.h"
  24 #include "edits.h"
  25 #include "errorbox.h"
  26 #include "filexml.h"
  27 #include "keyframes.h"
  28 #include "mainundo.h"
  29 #include "mwindow.h"
  30 #include "mwindowgui.h"
  31 #include "patch.h"
  32 #include "plugindialog.h"
  33 #include "pluginset.h"
  34 #include "mainsession.h"
  35 #include "track.h"
  36 #include "trackcanvas.h"
  37 #include "tracks.h"
  38 #include "transition.h"
  39 #include "transitionpopup.h"
  40 #include <string.h>
  41
  42
  43 TransitionMenuItem::TransitionMenuItem(MWindow *mwindow, int audio, int video)
  44  : BC_MenuItem(_("Paste Transition"))
  45 {
  46         this->audio = audio;
  47         this->video = video;
  48 }
  49
  50 TransitionMenuItem::~TransitionMenuItem()
  51 {
  52 }
  53
  54 int TransitionMenuItem::handle_event()
  55 {
  56         return 1;
  57 }
  58
  59
  60 PasteTransition::PasteTransition(MWindow *mwindow, int audio, int video)
  61  : Thread()
  62 {
  63         this->mwindow = mwindow;
  64         this->audio = audio;
  65         this->video = video;
  66 }
  67
  68 PasteTransition::~PasteTransition()
  69 {
  70 }
  71
  72 void PasteTransition::run()
  73 {
  74 }
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88 Transition::Transition(EDL *edl, Edit *edit, const char *title, long unit_length)
  89  : Plugin(edl, (PluginSet*)edit->edits, title)
  90 {
  91         this->edit = edit;
  92         this->length = unit_length;
  93 //printf("Transition::Transition %p %p %p %p\n", this, keyframes, keyframes->first, keyframes->last);
  94 }
  95
  96 Transition::~Transition()
  97 {
  98 }
  99
 100 KeyFrame* Transition::get_keyframe()
 101 {
 102         return (KeyFrame*)keyframes->default_auto;
 103 }
 104
 105 Transition& Transition::operator=(Transition &that)
 106 {
 107 //printf("Transition::operator= 1\n");
 108         copy_from(&that);
 109         return *this;
 110 }
 111
 112 Plugin& Transition::operator=(Plugin &that)
 113 {
 114         copy_from((Transition*)&that);
 115         return *this;
 116 }
 117
 118 Edit& Transition::operator=(Edit &that)
 119 {
 120         copy_from((Transition*)&that);
 121         return *this;
 122 }
 123
 124
 125 int Transition::operator==(Transition &that)
 126 {
 127         return identical(&that);
 128 }
 129
 130 int Transition::operator==(Plugin &that)
 131 {
 132         return identical((Transition*)&that);
 133 }
 134
 135 int Transition::operator==(Edit &that)
 136 {
 137         return identical((Transition*)&that);
 138 }
 139
 140
 141 void Transition::copy_from(Transition *that)
 142 {
 143         Plugin::copy_from(that);
 144 }
 145
 146 int Transition::identical(Transition *that)
 147 {
 148         return this->length == that->length && Plugin::identical(that);
 149 }
 150
 151
 152 int Transition::reset_parameters()
 153 {
 154         return 0;
 155 }
 156
 157 void Transition::save_xml(FileXML *file)
 158 {
 159         file->append_newline();
 160         file->tag.set_title("TRANSITION");
 161         file->tag.set_property("TITLE", title);
 162         file->tag.set_property("LENGTH", length);
 163         file->append_tag();
 164         if( on ) {
 165                 file->tag.set_title("ON");
 166                 file->append_tag();
 167                 file->tag.set_title("/ON");
 168                 file->append_tag();
 169         }
 170         keyframes->copy(0, 0, file, 1, 0);
 171         file->tag.set_title("/TRANSITION");
 172         file->append_tag();
 173         file->append_newline();
 174 }
 175
 176 void Transition::load_xml(FileXML *file)
 177 {
 178         file->tag.get_property("TITLE", title);
 179         Plugin::fix_plugin_title(title);
 180         length = file->tag.get_property("LENGTH", length);
 181         on = 0;
 182
 183         while( !file->read_tag() ) {
 184                 if( file->tag.title_is("/TRANSITION") ) break;
 185                 if( file->tag.title_is("ON") ) { on = 1;  continue; }
 186                 if( file->tag.title_is("KEYFRAME") )
 187                         keyframes->default_auto->load(file);;
 188         }
 189 }
 190
 191
 192 int Transition::popup_transition(int x, int y)
 193 {
 194 //      if(mwindow->session->tracks_vertical)
 195 //              mwindow->gui->transition_popup->activate_menu(this, PROGRAM_NAME ": Transition", y, x);
 196 //      else
 197 //              mwindow->gui->transition_popup->activate_menu(this, PROGRAM_NAME ": Transition", x, y);
 198         return 0;
 199 }
 200
 201 int Transition::update_derived()
 202 {
 203 // Redraw transition titles
 204         return 0;
 205 }
 206
 207 int Transition::update_display()
 208 {
 209 // Don't draw anything during loads.
 210         return 0;
 211 }
 212
 213 const char* Transition::default_title()
 214 {
 215         return _("Transition");
 216 }
 217
 218 void Transition::dump(FILE *fp)
 219 {
 220         fprintf(fp,"       title: %s length: %jd\n", title, length);
 221 }
 222
 223