44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
#ifndef TRANSFORMATIONS_H
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#define TRANSFORMATIONS_H
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#include "utils.h"
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/**
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* @brief Flips image on X-Axis
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* @details Creates a new buffer to move pixels to and flips pixels on X-Axis,
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* freeing the old buffer at the end.
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* @param[in] buf Pointer to original pixel buffer, later freed.
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* @param[in] img Loaded PPM image for calculations
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* @return unsigned int Pointer to new pixel buffer
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* @retval NULL If original buffer is invalid or if new buffer fails to create
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* */
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unsigned int*
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u32_flop(const unsigned int* buf, const PPM img);
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/**
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* @brief Flips image on Y-Axis
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* @details Creates a new buffer to move pixels to and flips pixels on Y-Axis,
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* freeing the old buffer at the end.
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* @param[in] buf Pointer to original pixel buffer, later freed.
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* @param[in] img Loaded PPM image for calculations
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* @return unsigned int Pointer to new pixel buffer
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* @retval NULL If original buffer is invalid or if new buffer fails to create
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* */
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unsigned int*
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ppm_flip(const unsigned int* buf, const PPM img);
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/**
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* @brief Rotates image on 90 Clockwise
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* @details Creates a new buffer to move pixels to and rotates pixels 90 degrees
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* clockwise around center of origin, freeing the old buffer at the end.
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* @param[in] buf Pointer to original pixel buffer, later freed.
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* @param[in] img Pointer to loaded PPM image for calculations
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* @return unsigned int Pointer to new pixel buffer
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* @retval NULL If original buffer is invalid, if image pointer is invalid or if
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* new buffer fails to create and is invalid
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* */
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unsigned int*
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u32_rotate(const unsigned int* buf, PPM* m_img);
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#endif
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