circuitpython/shared-module/displayio/Bitmap.h

57 lines
2.2 KiB
C

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_BITMAP_H
#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_BITMAP_H
#include <stdbool.h>
#include <stdint.h>
#include "py/obj.h"
#include "shared-module/displayio/area.h"
typedef struct {
mp_obj_base_t base;
uint16_t width;
uint16_t height;
uint32_t *data;
uint16_t stride; // uint32_t's
uint8_t bits_per_value;
uint8_t x_shift;
size_t x_mask;
displayio_area_t dirty_area;
uint16_t bitmask;
bool read_only;
bool data_alloc; // did bitmap allocate data or someone else
} displayio_bitmap_t;
void displayio_bitmap_finish_refresh(displayio_bitmap_t *self);
displayio_area_t *displayio_bitmap_get_refresh_areas(displayio_bitmap_t *self, displayio_area_t *tail);
void displayio_bitmap_set_dirty_area(displayio_bitmap_t *self, const displayio_area_t *area);
void displayio_bitmap_write_pixel(displayio_bitmap_t *self, int16_t x, int16_t y, uint32_t value);
#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_BITMAP_H