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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019 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_TILEGRID_H
#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_TILEGRID_H
#include <stdbool.h>
#include <stdint.h>
#include "py/obj.h"
#include "shared-module/displayio/area.h"
#include "shared-module/displayio/Palette.h"
typedef struct {
mp_obj_base_t base;
mp_obj_t bitmap;
mp_obj_t pixel_shader;
int16_t x;
int16_t y;
uint16_t pixel_width;
uint16_t pixel_height;
uint16_t bitmap_width_in_tiles;;
uint16_t tiles_in_bitmap;
uint16_t width_in_tiles;
uint16_t height_in_tiles;
uint16_t tile_width;
uint16_t tile_height;
uint16_t top_left_x;
uint16_t top_left_y;
uint8_t* tiles;
const displayio_buffer_transform_t* absolute_transform;
displayio_area_t dirty_area; // Stored as a relative area until the refresh area is fetched.
displayio_area_t previous_area; // Stored as an absolute area.
displayio_area_t current_area; // Stored as an absolute area so it applies across frames.
bool partial_change :1;
bool full_change :1;
bool moved :1;
bool inline_tiles :1;
bool in_group :1;
bool flip_x :1;
bool flip_y :1;
bool transpose_xy :1;
bool hidden :1;
bool hidden_by_parent :1;
uint8_t padding :6;
} displayio_tilegrid_t;
void displayio_tilegrid_set_hidden_by_parent(displayio_tilegrid_t *self, bool hidden);
// Updating the screen is a three stage process.
// The first stage is used to determine i
displayio_area_t* displayio_tilegrid_get_refresh_areas(displayio_tilegrid_t *self, displayio_area_t* tail);
// Area is always in absolute screen coordinates. Update transform is used to inform TileGrids how
// they relate to it.
bool displayio_tilegrid_fill_area(displayio_tilegrid_t *self, const _displayio_colorspace_t* colorspace, const displayio_area_t* area, uint32_t* mask, uint32_t *buffer);
void displayio_tilegrid_update_transform(displayio_tilegrid_t *group, const displayio_buffer_transform_t* parent_transform);
// Fills in area with the maximum bounds of all related pixels in the last rendered frame. Returns
// false if the tilegrid wasn't rendered in the last frame.
bool displayio_tilegrid_get_previous_area(displayio_tilegrid_t *self, displayio_area_t* area);
void displayio_tilegrid_finish_refresh(displayio_tilegrid_t *self);
#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_TILEGRID_H