69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_PALETTE_H
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#define MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_PALETTE_H
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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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typedef struct {
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uint8_t depth;
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uint8_t bytes_per_cell;
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uint8_t tricolor_hue;
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uint8_t tricolor_luma;
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bool grayscale;
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bool tricolor;
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bool pixels_in_byte_share_row;
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bool reverse_pixels_in_byte;
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} _displayio_colorspace_t;
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typedef struct {
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uint32_t rgb888;
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uint16_t rgb565;
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uint8_t luma;
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uint8_t hue;
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uint8_t chroma;
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bool transparent; // This may have additional bits added later for blending.
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} _displayio_color_t;
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typedef struct {
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mp_obj_base_t base;
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_displayio_color_t* colors;
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uint32_t color_count;
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bool needs_refresh;
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} displayio_palette_t;
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// Returns false if color fetch did not succeed (out of range or transparent).
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// Returns true if color is opaque, and sets color.
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bool displayio_palette_get_color(displayio_palette_t *palette, const _displayio_colorspace_t* colorspace, uint32_t palette_index, uint32_t* color);
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bool displayio_palette_needs_refresh(displayio_palette_t *self);
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void displayio_palette_finish_refresh(displayio_palette_t *self);
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#endif // MICROPY_INCLUDED_SHARED_MODULE_DISPLAYIO_PALLETE_H
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