image.h

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#ifndef IMAGE_H
#define IMAGE_H


#include <jwsc/config.h>

#include <stdlib.h>
#include <inttypes.h>

#include "jwsc/base/error.h"
#include "jwsc/matrix/matrix.h"


#ifdef __cplusplus
namespace jwsc {
extern "C" {
#endif


typedef struct Pixel_f
{
    float r;

    float g;

    float b;
} 
Pixel_f;




typedef struct Image_f
{
    uint32_t num_rows;

    uint32_t num_cols;

    Pixel_f** pxls;
} 
Image_f;




void create_image_f
(
    Image_f** img_out, 
    uint32_t  num_rows, 
    uint32_t  num_cols
);

void create_init_image_f
(
    Image_f** img_out, 
    uint32_t  num_rows, 
    uint32_t  num_cols,
    Pixel_f   val
);

void create_zero_image_f
(
    Image_f** img_out, 
    uint32_t  num_rows, 
    uint32_t  num_cols
);

void create_random_image_f
(
    Image_f** img_out, 
    uint32_t  num_rows, 
    uint32_t  num_cols,
    Pixel_f   min,
    Pixel_f   max
);

Error* create_image_from_matrices_f
(
    Image_f**   img_out, 
    const Matrix_f* m_r,
    const Matrix_f* m_g,
    const Matrix_f* m_b
);

void create_image_from_matrix_f
(
    Image_f**       img_out, 
    const Matrix_f* m
);

void create_matrices_from_image_f
(
    Matrix_f**     m_r_out, 
    Matrix_f**     m_g_out, 
    Matrix_f**     m_b_out, 
    const Image_f* img
);

void create_matrix_from_image_f
(
    Matrix_f**     m_out, 
    const Image_f* img,
    float          r_weight,
    float          g_weight,
    float          b_weight
);

void copy_image_f(Image_f** img_out, const Image_f* img_in);

void free_image_f(Image_f* img);

#ifdef __cplusplus
}
}
#endif


#endif