#ifndef TRANSFORMATIONS_H
#define TRANSFORMATIONS_H

#include "utils.h"

/**
 * @brief Flips image on X-Axis
 * @details Creates a new buffer to move pixels to and flips pixels on X-Axis,
 * freeing the old buffer at the end.
 * @param[in] buf Pointer to original pixel buffer, later freed.
 * @param[in] img Loaded PPM image for calculations
 * @return unsigned int Pointer to new pixel buffer
 * @retval NULL If original buffer is invalid or if new buffer fails to create
 * */
unsigned int*
u32_flop(const unsigned int* buf, const PPM img);

/**
 * @brief Flips image on Y-Axis
 * @details Creates a new buffer to move pixels to and flips pixels on Y-Axis,
 * freeing the old buffer at the end.
 * @param[in] buf Pointer to original pixel buffer, later freed.
 * @param[in] img Loaded PPM image for calculations
 * @return unsigned int Pointer to new pixel buffer
 * @retval NULL If original buffer is invalid or if new buffer fails to create
 * */
unsigned int*
ppm_flip(const unsigned int* buf, const PPM img);

/**
 * @brief Rotates image on 90 Clockwise
 * @details Creates a new buffer to move pixels to and rotates pixels 90 degrees
 * clockwise around center of origin, freeing the old buffer at the end.
 * @param[in] buf Pointer to original pixel buffer, later freed.
 * @param[in] img Pointer to loaded PPM image for calculations
 * @return unsigned int Pointer to new pixel buffer
 * @retval NULL If original buffer is invalid, if image pointer is invalid or if
 * new buffer fails to create and is invalid
 * */
unsigned int*
u32_rotate(const unsigned int* buf, PPM* m_img);

#endif