-// ============================= drawing
-
- virtual int draw(int flash, int center_pixel,
- int x, int w, int y, int h, int set_index_file) { return 0; }
- virtual int set_index_file(int flash, int center_pixel,
- int x, int y, int w, int h) { return 0; }
- int draw_transition(int flash, int center_pixel,
- int x, int w, int y, int h, int set_index_file);
-
- int draw_handles(BC_SubWindow *canvas, float view_start, float view_units,
- float zoom_units, int view_pixels, int center_pixel);
- int draw_titles(BC_SubWindow *canvas, float view_start, float zoom_units,
- int view_pixels, int center_pixel);
-
-// ============================= editing
-