125 lines
5.1 KiB
C
125 lines
5.1 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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#include "shared-bindings/displayio/ColorConverter.h"
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#include <stdint.h>
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#include "lib/utils/context_manager_helpers.h"
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#include "py/binary.h"
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#include "py/objproperty.h"
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#include "py/runtime.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-bindings/util.h"
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#include "supervisor/shared/translate.h"
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//| class ColorConverter:
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//| """Converts one color format to another."""
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//|
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//| def __init__(self, *, dither: bool = False):
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//| """Create a ColorConverter object to convert color formats. Only supports RGB888 to RGB565
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//| currently.
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//| :param bool dither: Adds random noise to dither the output image"""
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//| ...
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//|
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// TODO(tannewt): Add support for other color formats.
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//|
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STATIC mp_obj_t displayio_colorconverter_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_dither};
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_dither, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = false} },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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displayio_colorconverter_t *self = m_new_obj(displayio_colorconverter_t);
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self->base.type = &displayio_colorconverter_type;
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common_hal_displayio_colorconverter_construct(self, args[ARG_dither].u_bool);
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return MP_OBJ_FROM_PTR(self);
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}
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//| def convert(self, color: Any) -> Any:
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//| """Converts the given RGB888 color to RGB565"""
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//| ...
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//|
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STATIC mp_obj_t displayio_colorconverter_obj_convert(mp_obj_t self_in, mp_obj_t color_obj) {
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displayio_colorconverter_t *self = MP_OBJ_TO_PTR(self_in);
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mp_int_t color;
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if (!mp_obj_get_int_maybe(color_obj, &color)) {
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mp_raise_ValueError(translate("color should be an int"));
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}
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_displayio_colorspace_t colorspace;
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colorspace.depth = 16;
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uint32_t output_color;
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common_hal_displayio_colorconverter_convert(self, &colorspace, color, &output_color);
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return MP_OBJ_NEW_SMALL_INT(output_color);
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}
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MP_DEFINE_CONST_FUN_OBJ_2(displayio_colorconverter_convert_obj, displayio_colorconverter_obj_convert);
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//| dither: Any = ...
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//| """When true the color converter dithers the output by adding random noise when
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//| truncating to display bitdepth"""
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//|
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STATIC mp_obj_t displayio_colorconverter_obj_get_dither(mp_obj_t self_in) {
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displayio_colorconverter_t *self = MP_OBJ_TO_PTR(self_in);
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return mp_obj_new_bool(common_hal_displayio_colorconverter_get_dither(self));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(displayio_colorconverter_get_dither_obj, displayio_colorconverter_obj_get_dither);
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STATIC mp_obj_t displayio_colorconverter_obj_set_dither(mp_obj_t self_in, mp_obj_t dither) {
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displayio_colorconverter_t *self = MP_OBJ_TO_PTR(self_in);
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common_hal_displayio_colorconverter_set_dither(self, mp_obj_is_true(dither));
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_2(displayio_colorconverter_set_dither_obj, displayio_colorconverter_obj_set_dither);
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const mp_obj_property_t displayio_colorconverter_dither_obj = {
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.base.type = &mp_type_property,
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.proxy = {(mp_obj_t)&displayio_colorconverter_get_dither_obj,
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(mp_obj_t)&displayio_colorconverter_set_dither_obj,
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(mp_obj_t)&mp_const_none_obj},
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};
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STATIC const mp_rom_map_elem_t displayio_colorconverter_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_convert), MP_ROM_PTR(&displayio_colorconverter_convert_obj) },
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{ MP_ROM_QSTR(MP_QSTR_dither), MP_ROM_PTR(&displayio_colorconverter_dither_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(displayio_colorconverter_locals_dict, displayio_colorconverter_locals_dict_table);
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const mp_obj_type_t displayio_colorconverter_type = {
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{ &mp_type_type },
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.name = MP_QSTR_ColorConverter,
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.make_new = displayio_colorconverter_make_new,
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.locals_dict = (mp_obj_dict_t*)&displayio_colorconverter_locals_dict,
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};
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