Rotates, stretches and flips a sprite around a specified point. allegro game programming library.
#include <allegro.h>
void pivot_scaled_sprite_v_flip_lit(BITMAP *bmp, BITMAP *sprite, int x, int y, int cx, int cy, fixed angle, fixed scale);
Like rotate_scaled_sprite_v_flip_lit(), but aligns the point in the sprite given by (cx, cy) to (x, y) in the bitmap, then rotates and scales around this point.
rotate_sprite_lit(3alleg4), rotate_scaled_sprite_v_flip_lit(3alleg4), rotate_sprite_v_flip_lit(3alleg4), pivot_sprite_lit(3alleg4), pivot_scaled_sprite_lit(3alleg4)