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FramebufferDisplay.h

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

//

// SPDX-FileCopyrightText: Copyright (c) 2019 Scott Shawcroft for Adafruit Industries

// SPDX-FileCopyrightText: Copyright (c) 2020 Jeff Epler for Adafruit Industries

//

// SPDX-License-Identifier: MIT

#pragma once

#include "py/obj.h"

#include "py/proto.h"

#include "shared-bindings/displayio/Group.h"

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

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

typedef struct {

mp_obj_base_t base;

displayio_display_core_t core;

mp_obj_t framebuffer;

const struct _framebuffer_p_t *framebuffer_protocol;

mp_buffer_info_t bufinfo;

uint64_t last_refresh_call;

uint16_t native_frames_per_second;

uint16_t native_ms_per_frame;

uint16_t first_pixel_offset;

uint16_t row_stride;

bool auto_refresh;

bool first_manual_refresh;

} framebufferio_framebufferdisplay_obj_t;

void framebufferio_framebufferdisplay_background(framebufferio_framebufferdisplay_obj_t *self);

void release_framebufferdisplay(framebufferio_framebufferdisplay_obj_t *self);

void framebufferio_framebufferdisplay_reset(framebufferio_framebufferdisplay_obj_t *self);

void framebufferio_framebufferdisplay_collect_ptrs(framebufferio_framebufferdisplay_obj_t *self);

mp_obj_t common_hal_framebufferio_framebufferdisplay_get_framebuffer(framebufferio_framebufferdisplay_obj_t *self);

typedef bool (*framebuffer_get_reverse_pixels_in_byte_fun)(mp_obj_t);

typedef bool (*framebuffer_get_reverse_pixels_in_word_fun)(mp_obj_t);

typedef bool (*framebuffer_set_brightness_fun)(mp_obj_t, mp_float_t);

typedef int (*framebuffer_get_bytes_per_cell_fun)(mp_obj_t);

typedef int (*framebuffer_get_color_depth_fun)(mp_obj_t);

typedef int (*framebuffer_get_first_pixel_offset_fun)(mp_obj_t);

typedef bool (*framebuffer_get_grayscale_fun)(mp_obj_t);

typedef int (*framebuffer_get_height_fun)(mp_obj_t);

typedef int (*framebuffer_get_native_frames_per_second_fun)(mp_obj_t);

typedef bool (*framebuffer_get_pixels_in_byte_share_row_fun)(mp_obj_t);

typedef int (*framebuffer_get_row_stride_fun)(mp_obj_t);

typedef int (*framebuffer_get_width_fun)(mp_obj_t);

typedef mp_float_t (*framebuffer_get_brightness_fun)(mp_obj_t);

typedef void (*framebuffer_deinit_fun)(mp_obj_t);

typedef void (*framebuffer_get_bufinfo_fun)(mp_obj_t, mp_buffer_info_t *bufinfo);

typedef void (*framebuffer_swapbuffers_fun)(mp_obj_t, uint8_t *dirty_row_bitmask);

typedef struct _framebuffer_p_t {

MP_PROTOCOL_HEAD // MP_QSTR_protocol_framebuffer

// Mandatory

framebuffer_get_bufinfo_fun get_bufinfo;

framebuffer_swapbuffers_fun swapbuffers;

framebuffer_deinit_fun deinit;

framebuffer_get_width_fun get_width;

framebuffer_get_height_fun get_height;

// Optional getters

framebuffer_get_bytes_per_cell_fun get_bytes_per_cell; // default: 2

framebuffer_get_color_depth_fun get_color_depth; // default: 16

framebuffer_get_first_pixel_offset_fun get_first_pixel_offset; // default: 0

framebuffer_get_grayscale_fun get_grayscale; // default: grayscale if depth < 8

framebuffer_get_native_frames_per_second_fun get_native_frames_per_second; // default: 60

framebuffer_get_pixels_in_byte_share_row_fun get_pixels_in_byte_share_row; // default: false

framebuffer_get_reverse_pixels_in_byte_fun get_reverse_pixels_in_byte; // default: false

framebuffer_get_reverse_pixels_in_word_fun get_reverse_pixels_in_word; // default: false

framebuffer_get_row_stride_fun get_row_stride; // default: 0 (no extra row padding)

// Optional -- default is no brightness control

framebuffer_get_brightness_fun get_brightness;

framebuffer_set_brightness_fun set_brightness;

} framebuffer_p_t;