cinelerra/localsession.h

   1 #ifndef LOCALSESSION_H
   2 #define LOCALSESSION_H
   3
   4 #include "bcwindowbase.inc"
   5 #include "defaults.inc"
   6 #include "edl.inc"
   7 #include "filexml.inc"
   8
   9
  10
  11 // Unique session for every EDL
  12
  13 class LocalSession
  14 {
  15 public:
  16         LocalSession(EDL *edl);
  17         ~LocalSession();
  18
  19
  20 // Get selected range based on precidence of in/out points and
  21 // highlighted region.
  22 // 1) If a highlighted selection exists it's used.
  23 // 2) If in_point or out_point exists they're used.
  24 // 3) If no in/out points exist, the insertion point is returned.
  25 // highlight_only - forces it to use highlighted region only.
  26         double get_selectionstart(int highlight_only = 0);
  27         double get_selectionend(int highlight_only = 0);
  28         double get_inpoint();
  29         double get_outpoint();
  30         int inpoint_valid();
  31         int outpoint_valid();
  32         void set_selectionstart(double value);
  33         void set_selectionend(double value);
  34         void set_inpoint(double value);
  35         void set_outpoint(double value);
  36         void unset_inpoint();
  37         void unset_outpoint();
  38
  39
  40         void copy_from(LocalSession *that);
  41         void save_xml(FileXML *file, double start);
  42         void load_xml(FileXML *file, unsigned long load_flags);
  43         int load_defaults(Defaults *defaults);
  44         int save_defaults(Defaults *defaults);
  45 // Used to copy parameters that affect rendering.
  46         void synchronize_params(LocalSession *that);
  47
  48         void boundaries();
  49
  50
  51         EDL *edl;
  52
  53
  54 // Variables specific to each EDL
  55 // Number of samples if pasted from a clipboard.
  56 // If 0 use longest track
  57         double clipboard_length;
  58 // Title if clip
  59         char clip_title[BCTEXTLEN];
  60         char clip_notes[BCTEXTLEN];
  61 // Folder in parent EDL of clip
  62         char folder[BCTEXTLEN];
  63
  64         int loop_playback;
  65         double loop_start;
  66         double loop_end;
  67 // Vertical start of track view
  68         int64_t track_start;
  69 // Horizontal start of view in pixels.  This has to be pixels since either
  70 // samples or seconds would require drawing in fractional pixels.
  71         int64_t view_start;
  72 // Zooming of the timeline.  Number of samples per pixel.
  73         int64_t zoom_sample;
  74 // Amplitude zoom
  75         int64_t zoom_y;
  76 // Track zoom
  77         int64_t zoom_track;
  78 // Vertical automation scale
  79         float automation_min;
  80         float automation_max;
  81
  82 // Eye dropper
  83         float red, green, blue;
  84
  85 // Range for CWindow and VWindow preview in seconds.
  86         double preview_start;
  87         double preview_end;
  88
  89 private:
  90 // The reason why selection ranges and inpoints have to be separate:
  91 // The selection position has to change to set new in points.
  92 // For editing functions we have a precidence for what determines
  93 // the selection.
  94
  95         double selectionstart, selectionend;
  96         double in_point, out_point;
  97 };
  98
  99 #endif