void draw_wave(TrackCanvas *canvas,
int x, double high, double low);
VFrame *change_title_color(VFrame *title_bg, int color);
+ VFrame *change_picon_alpha(VFrame *picon_frame, int alpha);
void draw_title(TrackCanvas *canvas,
Edit *edit, int64_t edit_x, int64_t edit_w,
int64_t pixmap_x, int64_t pixmap_w);