23#ifndef XKNOB_PRIVATE_H_
24#define XKNOB_PRIVATE_H_
void _draw_knob_image(void *w_, void *user_data)
_draw_knob_image - internal draw the knob to the buffer
void _draw_knob(void *w_, void *user_data)
_draw_knob - internal draw the knob to the buffer
void _knob_released(void *w_, void *button_, void *user_data)
_knob_released - redraw the slider when buttob released
void _draw_image_knob(Widget_t *w, int width_t, int height_t)
_draw_image_knob - internal draw the knob from image to the buffer