// This file is part of the CircuitPython project: https://circuitpython.org

//

// SPDX-FileCopyrightText: Copyright (c) 2018 Scott Shawcroft for Adafruit Industries

//

// SPDX-License-Identifier: MIT

#pragma once

#include <stdbool.h>

#include <stdint.h>

#include "py/obj.h"

typedef struct {

uint8_t depth;

uint8_t bytes_per_cell;

uint8_t tricolor_hue;

uint8_t tricolor_luma;

uint8_t grayscale_bit; // The lowest grayscale bit. Normally 8 - depth.

bool grayscale;

bool tricolor;

bool sixcolor; // Spectra6 e-ink screens.

bool sevencolor; // Acep e-ink screens.

bool pixels_in_byte_share_row;

bool reverse_pixels_in_byte;

bool reverse_bytes_in_word;

bool dither;

} _displayio_colorspace_t;

typedef struct {

uint32_t rgb888;

const _displayio_colorspace_t *cached_colorspace;

uint32_t cached_color;

uint8_t cached_colorspace_grayscale_bit;

bool cached_colorspace_grayscale;

bool transparent; // This may have additional bits added later for blending.

} _displayio_color_t;

typedef struct {

uint32_t pixel;

uint16_t x;

uint16_t y;

uint8_t tile;

uint16_t tile_x;

uint16_t tile_y;

} displayio_input_pixel_t;

typedef struct {

uint32_t pixel;

bool opaque;

} displayio_output_pixel_t;

typedef struct displayio_palette {

mp_obj_base_t base;

_displayio_color_t *colors;

uint32_t color_count;

bool needs_refresh;

bool dither;

} displayio_palette_t;

void displayio_palette_get_color(displayio_palette_t *palette, const _displayio_colorspace_t *colorspace, const displayio_input_pixel_t *input_pixel, displayio_output_pixel_t *output_color);

;

bool displayio_palette_needs_refresh(displayio_palette_t *self);

void displayio_palette_finish_refresh(displayio_palette_t *self);