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