cinelerra/localsession.h

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