op_palettize.h

 
#ifndef MPIX_OP_PALETTIZE_H
#define MPIX_OP_PALETTIZE_H
 
#include <stdlib.h>
#include <stdint.h>
 
#include <mpix/op.h>
 
struct mpix_palette {
    uint8_t *colors;
    uint32_t format;
};
 
struct mpix_palette_op {
    struct mpix_base_op base;
    void (*palette_fn)(const uint8_t *s, uint8_t *d, uint16_t w, const struct mpix_palette *p);
    struct mpix_palette *palette;
};
 
#define MPIX_REGISTER_PALETTE_OP(id, fn, format_in, format_out)                                    \
    const struct mpix_palette_op mpix_palette_op_##id = {                                      \
        .base.name = ("palettize_" #id),                                                   \
        .base.format_src = (MPIX_FMT_##format_in),                                         \
        .base.format_dst = (MPIX_FMT_##format_out),                                        \
        .base.window_size = 1,                                                             \
        .base.run = mpix_palettize_op,                                                     \
        .palette_fn = (fn),                                                                \
    }
 
void mpix_convert_rgb24_to_palette8(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_palette8_to_rgb24(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_rgb24_to_palette4(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_palette4_to_rgb24(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_rgb24_to_palette2(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_palette2_to_rgb24(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_rgb24_to_palette1(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
void mpix_convert_palette1_to_rgb24(const uint8_t *src, uint8_t *dst, uint16_t width,
                    const struct mpix_palette *palette);
 
void mpix_palettize_op(struct mpix_base_op *op);
 
#endif