circuitpython/shared-module/displayio/Group.h
Radomir Dopieralski 6e0ce23f3e displaio: don't store group children native object
Since we want to expose the list of group's children to the user,
we should only have the original objects in it, without any other
additional data, and compute the native object as needed.
2021-02-27 20:52:38 +01:00

67 lines
2.8 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_GROUP_H
#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_GROUP_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_t original;
} displayio_group_child_t;
typedef struct {
mp_obj_base_t base;
displayio_group_child_t* children;
displayio_buffer_transform_t absolute_transform;
displayio_area_t dirty_area; // Catch all for changed area
int16_t x;
int16_t y;
uint16_t scale;
uint16_t size;
uint16_t max_size;
bool item_removed :1;
bool in_group :1;
bool hidden :1;
bool hidden_by_parent :1;
uint8_t padding :4;
} displayio_group_t;
void displayio_group_construct(displayio_group_t* self, displayio_group_child_t* child_array, uint32_t max_size, uint32_t scale, mp_int_t x, mp_int_t y);
void displayio_group_set_hidden_by_parent(displayio_group_t *self, bool hidden);
bool displayio_group_get_previous_area(displayio_group_t *group, displayio_area_t* area);
bool displayio_group_fill_area(displayio_group_t *group, const _displayio_colorspace_t* colorspace, const displayio_area_t* area, uint32_t* mask, uint32_t *buffer);
void displayio_group_update_transform(displayio_group_t *group, const displayio_buffer_transform_t* parent_transform);
void displayio_group_finish_refresh(displayio_group_t *self);
displayio_area_t* displayio_group_get_refresh_areas(displayio_group_t *self, displayio_area_t* tail);
#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_GROUP_H