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/*
* 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.
*/
#include "shared-bindings/displayio/ColorConverter.h"
void common_hal_displayio_colorconverter_construct(displayio_colorconverter_t* self) {
}
bool common_hal_displayio_colorconverter_convert(displayio_colorconverter_t *self, uint32_t input_color, uint16_t* output_color) {
// TODO(tannewt): Validate the color input against the input format.
uint32_t r5 = (input_color >> 19);
uint32_t g6 = (input_color >> 10) & 0x3f;
uint32_t b5 = (input_color >> 3) & 0x1f;
uint32_t packed = r5 << 11 | g6 << 5 | b5;
// swap bytes
*output_color = __builtin_bswap16(packed);
return true;
}
// Currently no refresh logic is needed for a ColorConverter.
bool displayio_colorconverter_needs_refresh(displayio_colorconverter_t *self) {
return false;
}
void displayio_colorconverter_finish_refresh(displayio_colorconverter_t *self) {
}
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