cinelerra-5.1/cinelerra/videowindowgui.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "mbuttons.h"
  23 #include "mwindow.h"
  24 #include "mwindowgui.h"
  25 #include "mainsession.h"
  26 #include "videowindow.h"
  27 #include "videowindowgui.h"
  28
  29
  30
  31 #define CROPHANDLE_W 10
  32 #define CROPHANDLE_H 10
  33
  34 VideoWindowGUI::VideoWindowGUI(VideoWindow *thread, int w, int h)
  35  : BC_Window(_(PROGRAM_NAME ": Video out"),
  36         (int)BC_INFINITY, (int)BC_INFINITY,
  37         w, h, 10, 10, 1, 1, 1)
  38 {
  39         this->thread = thread;
  40 }
  41
  42 VideoWindowGUI::~VideoWindowGUI()
  43 {
  44 }
  45
  46 void VideoWindowGUI::create_objects()
  47 {
  48         lock_window("VideoWindowGUI::create_objects");
  49         add_subwindow(canvas = new VideoWindowCanvas(this, get_w(), get_h()));
  50         update_title();
  51         unlock_window();
  52 }
  53
  54 int VideoWindowGUI::keypress_event()
  55 {
  56 }
  57
  58 int VideoWindowGUI::resize_event(int w, int h)
  59 {
  60 //      int output_w = thread->mwindow->session->output_w;
  61 //      int output_h = thread->mwindow->session->output_h;
  62 //      int new_w, new_h, full_w, full_h;
  63 //
  64 //      new_w = w;
  65 //      new_h = h;
  66 //      thread->get_full_sizes(full_w, full_h);
  67 //
  68 //      if(labs(full_w - new_w) < 50)
  69 //      {
  70 //              new_w = full_w;
  71 //              new_h = full_h;
  72 //      }
  73 //      else
  74 //              thread->fix_size(new_w, new_h, w, thread->mwindow->get_aspect_ratio());
  75 //
  76 //      if(new_w < 10) new_w = 10;
  77 //      if(new_h < 10) new_h = 10;
  78 //      w = thread->video_window_w = new_w;
  79 //      h = new_h;
  80 //
  81 //      resize_window(w, h);
  82 //      canvas->reposition_window(0, 0, w, h);
  83 //      update_title();
  84 //      if(thread->video_cropping) canvas->draw_crop_box();
  85 }
  86
  87 int VideoWindowGUI::update_title()
  88 {
  89 //      char string[1024];
  90 //
  91 //      if(thread->mwindow->get_aspect_ratio() > (float)thread->mwindow->session->output_w / thread->mwindow->session->output_h)
  92 //      {
  93 //              sprintf(string, PROGRAM_NAME ": Video out %d%%",
  94 //                      (int)((float)thread->video_window_w / (thread->mwindow->session->output_h * thread->mwindow->get_aspect_ratio()) * 100 + 0.5));
  95 //      }
  96 //      else
  97 //      {
  98 //              sprintf(string, PROGRAM_NAME ": Video out %d%%",
  99 //                      (int)((float)thread->video_window_w / thread->mwindow->session->output_w * 100 + 0.5));
 100 //      }
 101 //
 102 //      set_title(string);
 103 }
 104
 105 int VideoWindowGUI::close_event()
 106 {
 107         thread->hide_window();
 108 }
 109
 110
 111 VideoWindowCanvas::VideoWindowCanvas(VideoWindowGUI *gui, int w, int h)
 112  : BC_SubWindow(0, 0, w, h, BLACK)
 113 {
 114         this->gui = gui;
 115         corner_selected = 0;
 116         button_down = 0;
 117 }
 118
 119 VideoWindowCanvas::~VideoWindowCanvas()
 120 {
 121 }
 122
 123 int VideoWindowCanvas::button_press()
 124 {
 125         if(gui->thread->video_cropping)
 126         {
 127                 int x = get_cursor_x();
 128                 int y = get_cursor_y();
 129                 button_down = 1;
 130
 131                 if(x > gui->x1 && y > gui->y1 && x < gui->x1 + CROPHANDLE_W && y < gui->y1 + CROPHANDLE_H)
 132                 {
 133                         corner_selected = 1;
 134                         gui->x_offset = x - gui->x1;
 135                         gui->y_offset = y - gui->y1;
 136                 }
 137                 if(x > gui->x1 && y > gui->y2 - CROPHANDLE_H && x < gui->x1 + CROPHANDLE_W && y < gui->y2)
 138                 {
 139                         corner_selected = 2;
 140                         gui->x_offset = x - gui->x1;
 141                         gui->y_offset = y - gui->y2;
 142                 }
 143                 if(x > gui->x2 - CROPHANDLE_W && y > gui->y2 - CROPHANDLE_H && x < gui->x2 && y < gui->y2)
 144                 {
 145                         corner_selected = 3;
 146                         gui->x_offset = x - gui->x2;
 147                         gui->y_offset = y - gui->y2;
 148                 }
 149                 if(x > gui->x2 - CROPHANDLE_W && y > gui->y1 && x < gui->x2 && y < gui->y1 + CROPHANDLE_H)
 150                 {
 151                         corner_selected = 4;
 152                         gui->x_offset = x - gui->x2;
 153                         gui->y_offset = y - gui->y1;
 154                 }
 155         }
 156 }
 157
 158 int VideoWindowCanvas::button_release()
 159 {
 160         if(gui->thread->video_cropping && button_down)
 161         {
 162                 button_down = 0;
 163                 corner_selected = 0;
 164         }
 165 }
 166
 167 int VideoWindowCanvas::cursor_motion()
 168 {
 169         if(button_down && gui->thread->video_cropping && corner_selected)
 170         {
 171                 int x = get_cursor_x();
 172                 int y = get_cursor_y();
 173                 draw_crop_box();
 174
 175                 switch(corner_selected)
 176                 {
 177                         case 1:
 178                                 gui->x1 = x - gui->x_offset;  gui->y1 = y - gui->y_offset;
 179                                 break;
 180                         case 2:
 181                                 gui->x1 = x - gui->x_offset;  gui->y2 = y - gui->y_offset;
 182                                 break;
 183                         case 3:
 184                                 gui->x2 = x - gui->x_offset;  gui->y2 = y - gui->y_offset;
 185                                 break;
 186                         case 4:
 187                                 gui->x2 = x - gui->x_offset;  gui->y1 = y - gui->y_offset;
 188                                 break;
 189                 };
 190
 191                 if(gui->x1 < 0) gui->x1 = 0;
 192                 if(gui->y1 < 0) gui->y1 = 0;
 193                 if(gui->x1 > get_w()) gui->x1 = get_w();
 194                 if(gui->y1 > get_h()) gui->y1 = get_h();
 195                 if(gui->x2 < 0) gui->x2 = 0;
 196                 if(gui->y2 < 0) gui->y2 = 0;
 197                 if(gui->x2 > get_w()) gui->x2 = get_w();
 198                 if(gui->y2 > get_h()) gui->y2 = get_h();
 199                 draw_crop_box();
 200                 flash();
 201         }
 202 }
 203
 204 int VideoWindowCanvas::draw_crop_box()
 205 {
 206         int w = gui->x2 - gui->x1;
 207         int h = gui->y2 - gui->y1;
 208
 209         set_inverse();
 210         set_color(WHITE);
 211         draw_box(gui->x1 + 1, gui->y1 + 1, CROPHANDLE_W - 1, CROPHANDLE_H - 1);
 212         draw_box(gui->x1 + 1, gui->y2 - CROPHANDLE_H, CROPHANDLE_W - 1, CROPHANDLE_H);
 213         draw_box(gui->x2 - CROPHANDLE_W, gui->y2 - CROPHANDLE_H, CROPHANDLE_W, CROPHANDLE_H);
 214         draw_box(gui->x2 - CROPHANDLE_W, gui->y1 + 1, CROPHANDLE_W, CROPHANDLE_H - 1);
 215         draw_rectangle(gui->x1, gui->y1, w, h);
 216         set_opaque();
 217 }
 218