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,
  37         (int)BC_INFINITY,
  38         w,
  39         h,
  40         10,
  41         10,
  42         1,
  43         1,
  44         1)
  45 {
  46         this->thread = thread;
  47 }
  48
  49 VideoWindowGUI::~VideoWindowGUI()
  50 {
  51 }
  52
  53 void VideoWindowGUI::create_objects()
  54 {
  55         add_subwindow(canvas = new VideoWindowCanvas(this, get_w(), get_h()));
  56         update_title();
  57 }
  58
  59
  60 int VideoWindowGUI::keypress_event()
  61 {
  62 }
  63
  64 int VideoWindowGUI::resize_event(int w, int h)
  65 {
  66 //      int output_w = thread->mwindow->session->output_w;
  67 //      int output_h = thread->mwindow->session->output_h;
  68 //      int new_w, new_h, full_w, full_h;
  69 //
  70 //      new_w = w;
  71 //      new_h = h;
  72 //      thread->get_full_sizes(full_w, full_h);
  73 //
  74 //      if(labs(full_w - new_w) < 50)
  75 //      {
  76 //              new_w = full_w;
  77 //              new_h = full_h;
  78 //      }
  79 //      else
  80 //              thread->fix_size(new_w, new_h, w, thread->mwindow->get_aspect_ratio());
  81 //
  82 //      if(new_w < 10) new_w = 10;
  83 //      if(new_h < 10) new_h = 10;
  84 //      w = thread->video_window_w = new_w;
  85 //      h = new_h;
  86 //
  87 //      resize_window(w, h);
  88 //      canvas->reposition_window(0, 0, w, h);
  89 //      update_title();
  90 //      if(thread->video_cropping) canvas->draw_crop_box();
  91 }
  92
  93 int VideoWindowGUI::update_title()
  94 {
  95 //      char string[1024];
  96 //
  97 //      if(thread->mwindow->get_aspect_ratio() > (float)thread->mwindow->session->output_w / thread->mwindow->session->output_h)
  98 //      {
  99 //              sprintf(string, PROGRAM_NAME ": Video out %d%%",
 100 //                      (int)((float)thread->video_window_w / (thread->mwindow->session->output_h * thread->mwindow->get_aspect_ratio()) * 100 + 0.5));
 101 //      }
 102 //      else
 103 //      {
 104 //              sprintf(string, PROGRAM_NAME ": Video out %d%%",
 105 //                      (int)((float)thread->video_window_w / thread->mwindow->session->output_w * 100 + 0.5));
 106 //      }
 107 //
 108 //      set_title(string);
 109 }
 110
 111 int VideoWindowGUI::close_event()
 112 {
 113         thread->hide_window();
 114 }
 115
 116
 117 VideoWindowCanvas::VideoWindowCanvas(VideoWindowGUI *gui, int w, int h)
 118  : BC_SubWindow(0, 0, w, h, BLACK)
 119 {
 120         this->gui = gui;
 121         corner_selected = 0;
 122         button_down = 0;
 123 }
 124
 125 VideoWindowCanvas::~VideoWindowCanvas()
 126 {
 127 }
 128
 129 int VideoWindowCanvas::button_press()
 130 {
 131         if(gui->thread->video_cropping)
 132         {
 133                 int x = get_cursor_x();
 134                 int y = get_cursor_y();
 135                 button_down = 1;
 136
 137                 if(x > gui->x1 && y > gui->y1 && x < gui->x1 + CROPHANDLE_W && y < gui->y1 + CROPHANDLE_H)
 138                 {
 139                         corner_selected = 1;
 140                         gui->x_offset = x - gui->x1;
 141                         gui->y_offset = y - gui->y1;
 142                 }
 143                 if(x > gui->x1 && y > gui->y2 - CROPHANDLE_H && x < gui->x1 + CROPHANDLE_W && y < gui->y2)
 144                 {
 145                         corner_selected = 2;
 146                         gui->x_offset = x - gui->x1;
 147                         gui->y_offset = y - gui->y2;
 148                 }
 149                 if(x > gui->x2 - CROPHANDLE_W && y > gui->y2 - CROPHANDLE_H && x < gui->x2 && y < gui->y2)
 150                 {
 151                         corner_selected = 3;
 152                         gui->x_offset = x - gui->x2;
 153                         gui->y_offset = y - gui->y2;
 154                 }
 155                 if(x > gui->x2 - CROPHANDLE_W && y > gui->y1 && x < gui->x2 && y < gui->y1 + CROPHANDLE_H)
 156                 {
 157                         corner_selected = 4;
 158                         gui->x_offset = x - gui->x2;
 159                         gui->y_offset = y - gui->y1;
 160                 }
 161         }
 162 }
 163
 164 int VideoWindowCanvas::button_release()
 165 {
 166         if(gui->thread->video_cropping && button_down)
 167         {
 168                 button_down = 0;
 169                 corner_selected = 0;
 170         }
 171 }
 172
 173 int VideoWindowCanvas::cursor_motion()
 174 {
 175         if(button_down && gui->thread->video_cropping && corner_selected)
 176         {
 177                 int x = get_cursor_x();
 178                 int y = get_cursor_y();
 179                 draw_crop_box();
 180
 181                 switch(corner_selected)
 182                 {
 183                         case 1:
 184                                 gui->x1 = x - gui->x_offset;  gui->y1 = y - gui->y_offset;
 185                                 break;
 186                         case 2:
 187                                 gui->x1 = x - gui->x_offset;  gui->y2 = y - gui->y_offset;
 188                                 break;
 189                         case 3:
 190                                 gui->x2 = x - gui->x_offset;  gui->y2 = y - gui->y_offset;
 191                                 break;
 192                         case 4:
 193                                 gui->x2 = x - gui->x_offset;  gui->y1 = y - gui->y_offset;
 194                                 break;
 195                 };
 196
 197                 if(gui->x1 < 0) gui->x1 = 0;
 198                 if(gui->y1 < 0) gui->y1 = 0;
 199                 if(gui->x1 > get_w()) gui->x1 = get_w();
 200                 if(gui->y1 > get_h()) gui->y1 = get_h();
 201                 if(gui->x2 < 0) gui->x2 = 0;
 202                 if(gui->y2 < 0) gui->y2 = 0;
 203                 if(gui->x2 > get_w()) gui->x2 = get_w();
 204                 if(gui->y2 > get_h()) gui->y2 = get_h();
 205                 draw_crop_box();
 206                 flash();
 207         }
 208 }
 209
 210 int VideoWindowCanvas::draw_crop_box()
 211 {
 212         int w = gui->x2 - gui->x1;
 213         int h = gui->y2 - gui->y1;
 214
 215         set_inverse();
 216         set_color(WHITE);
 217         draw_box(gui->x1 + 1, gui->y1 + 1, CROPHANDLE_W - 1, CROPHANDLE_H - 1);
 218         draw_box(gui->x1 + 1, gui->y2 - CROPHANDLE_H, CROPHANDLE_W - 1, CROPHANDLE_H);
 219         draw_box(gui->x2 - CROPHANDLE_W, gui->y2 - CROPHANDLE_H, CROPHANDLE_W, CROPHANDLE_H);
 220         draw_box(gui->x2 - CROPHANDLE_W, gui->y1 + 1, CROPHANDLE_W, CROPHANDLE_H - 1);
 221         draw_rectangle(gui->x1, gui->y1, w, h);
 222         set_opaque();
 223 }
 224