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

//

// SPDX-FileCopyrightText: Copyright (c) 2024 Jeff Epler for Adafruit Industries

//

// SPDX-License-Identifier: MIT

#pragma once

#include "shared-module/displayio/Bitmap.h"

void shared_module_bitmapfilter_morph(

displayio_bitmap_t *bitmap,

displayio_bitmap_t *mask,

const int ksize,

const int *krn,

const mp_float_t m,

const mp_float_t b,

bool threshold,

int offset,

bool invert);

void shared_module_bitmapfilter_morph9(

displayio_bitmap_t *bitmap,

displayio_bitmap_t *mask,

const int ksize,

int krn[9 * (2 * ksize + 1) * (2 * ksize + 1)], // Note: modifies krn[]

const mp_float_t m[3],

const mp_float_t b[3],

bool threshold,

int offset,

bool invert);

void shared_module_bitmapfilter_mix(

displayio_bitmap_t *bitmap,

displayio_bitmap_t *mask,

const mp_float_t weights[12]);

void shared_module_bitmapfilter_solarize(

displayio_bitmap_t *bitmap,

displayio_bitmap_t *mask,

const mp_float_t threshold);

typedef struct {

uint8_t r[32], g[64], b[32];

} bitmapfilter_lookup_table_t;

void shared_module_bitmapfilter_lookup(

displayio_bitmap_t *bitmap,

displayio_bitmap_t *mask,

const bitmapfilter_lookup_table_t *table);

void shared_module_bitmapfilter_false_color(

displayio_bitmap_t *bitmap,

displayio_bitmap_t *mask,

_displayio_color_t palette[256]);

void shared_module_bitmapfilter_blend_precompute(mp_obj_t fun, uint8_t lookup[4096]);

void shared_module_bitmapfilter_blend(

displayio_bitmap_t *dest,

displayio_bitmap_t *src1,

displayio_bitmap_t *src2,

displayio_bitmap_t *mask,

const uint8_t lookup[4096]);