hvirtual/cinelerra/bezierauto.h

   1 #ifndef BEZIERAUTO_H
   2 #define BEZIERAUTO_H
   3
   4 // Automation point that takes floating point values
   5
   6 #include "auto.h"
   7 #include "bezierautos.inc"
   8 #include "filexml.inc"
   9
  10 class BezierAuto : public Auto
  11 {
  12 public:
  13         BezierAuto() {};
  14         BezierAuto(EDL *edl, BezierAutos *autos);
  15         ~BezierAuto();
  16
  17         int operator==(Auto &that);
  18         int operator==(BezierAuto &that);
  19         void copy_from(Auto *that);
  20         void copy_from(BezierAuto *that);
  21         void load(FileXML *file);
  22         void copy(int64_t start, int64_t end, FileXML *file, int default_only);
  23         int draw(BC_SubWindow *canvas,
  24                                         int x,
  25                                         int center_pixel,
  26                                         float scale,
  27                                         int vertical,
  28                                         int show_value);
  29
  30 // return a selection type if selected
  31 // 0 - none
  32 // 1 - frame number
  33 // 2 - xy
  34 // 3 - zoom
  35 // 4 - control_in_xy
  36 // 5 - control_out_xy
  37 // 6 - control_in_zoom
  38 // 7 - control_out_zoom
  39         int select(BC_SubWindow *canvas,
  40                                 int x,
  41                                 int center_pixel,
  42                                 float scale,
  43                                 int cursor_x,
  44                                 int cursor_y,
  45                                 int shift_down,
  46                                 int ctrl_down,
  47                                 int mouse_button,
  48                                 int vertical);
  49
  50 // Z is no longer used
  51         float center_x, center_y, center_z;
  52 // ***control points are relative to center points***
  53         float control_in_x, control_in_y;
  54         float control_out_x, control_out_y;
  55         float control_in_z, control_out_z;
  56
  57 private:
  58         int identical(BezierAuto *src);
  59         int WIDTH, HEIGHT;
  60         int value_to_str(char *string, float value) {};
  61         int value_to_str(char *string);
  62         int get_control_points(int x, int center_pixel, float scale, int *control_x, int *control_y, int vertical);
  63         int test_control_point(int center_x, int center_y, int x, int y, int cursor_x, int cursor_y);
  64         float get_distance(int x1, int y1, int x2, int y2);
  65 };
  66
  67
  68
  69 #endif