cinelerra/floatautos.h

   1 #ifndef FLOATAUTOS_H
   2 #define FLOATAUTOS_H
   3
   4 #include "autos.h"
   5 #include "edl.inc"
   6 #include "guicast.h"
   7 #include "filexml.inc"
   8 #include "floatauto.inc"
   9
  10 class FloatAutos : public Autos
  11 {
  12 public:
  13         FloatAutos(EDL *edl,
  14                 Track *track,
  15 // Value for default auto
  16                 float default_);
  17         ~FloatAutos();
  18
  19
  20         int draw_joining_line(BC_SubWindow *canvas, int vertical, int center_pixel, int x1, int y1, int x2, int y2);
  21         int get_testy(float slope, int cursor_x, int ax, int ay);
  22 // Return 1 if the automation is constant.
  23 // constant - set to the value if it is constant
  24         int automation_is_constant(int64_t start,
  25                 int64_t length,
  26                 int direction,
  27                 double &constant);
  28         double get_automation_constant(int64_t start, int64_t end);
  29 // Get value at a specific point.  This needs previous and next stores
  30 // because it is used for every pixel in the drawing function.
  31         float get_value(int64_t position,
  32                 int direction,
  33                 FloatAuto* &previous,
  34                 FloatAuto* &next);
  35         void get_fade_automation(double &slope,
  36                 double &intercept,
  37                 int64_t input_position,
  38                 int64_t &slope_len,
  39                 int direction);
  40         void get_extents(float *min,
  41                 float *max,
  42                 int *coords_undefined,
  43                 int64_t unit_start,
  44                 int64_t unit_end);
  45
  46         void straighten(int64_t start, int64_t end);
  47
  48         void dump();
  49         Auto* add_auto(int64_t position, float value);
  50         Auto* append_auto();
  51         Auto* new_auto();
  52         float default_;
  53 };
  54
  55
  56 #endif