124 lines
4.9 KiB
C
124 lines
4.9 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) 2019 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/Shape.h"
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#include <stdint.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/util.h"
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#include "supervisor/shared/translate.h"
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//| .. currentmodule:: displayio
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//|
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//| :class:`Shape` -- Represents a shape by defining its bounds on each row
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//| ==========================================================================
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//|
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//| Represents any shape made by defining boundaries that may be mirrored.
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//|
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//| .. warning:: This will likely be changed before 4.0.0. Consider it very experimental.
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//|
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//| .. class:: Shape(width, height, *, mirror_x=False, mirror_y=False)
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//|
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//| Create a Shape object with the given fixed size. Each pixel is one bit and is stored by the
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//| column boundaries of the shape on each row. Each row's boundary defaults to the full row.
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//|
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//| :param int width: The number of pixels wide
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//| :param int height: The number of pixels high
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//| :param bool mirror_x: When true the left boundary is mirrored to the right.
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//| :param bool mirror_y: When true the top boundary is mirrored to the bottom.
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//|
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STATIC mp_obj_t displayio_shape_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_width, ARG_height, ARG_mirror_x, ARG_mirror_y };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_width, MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_height, MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_mirror_x, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} },
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{ MP_QSTR_mirror_y, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.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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mp_int_t width = args[ARG_width].u_int;
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if (width < 1) {
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mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_width);
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}
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mp_int_t height = args[ARG_height].u_int;
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if (height < 1) {
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mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_height);
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}
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displayio_shape_t *self = m_new_obj(displayio_shape_t);
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self->base.type = &displayio_shape_type;
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common_hal_displayio_shape_construct(self,
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width,
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height,
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args[ARG_mirror_x].u_bool,
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args[ARG_mirror_y].u_bool);
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return MP_OBJ_FROM_PTR(self);
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}
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//| .. method:: set_boundary(y, start_x, end_x)
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//|
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//| Loads pre-packed data into the given row.
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//|
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STATIC mp_obj_t displayio_shape_obj_set_boundary(size_t n_args, const mp_obj_t *args) {
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(void) n_args;
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displayio_shape_t *self = MP_OBJ_TO_PTR(args[0]);
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mp_int_t y;
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if (!mp_obj_get_int_maybe(args[1], &y)) {
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mp_raise_ValueError(translate("y should be an int"));
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}
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mp_int_t start_x;
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if (!mp_obj_get_int_maybe(args[2], &start_x)) {
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mp_raise_ValueError(translate("start_x should be an int"));
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}
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mp_int_t end_x;
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if (!mp_obj_get_int_maybe(args[3], &end_x)) {
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mp_raise_ValueError(translate("end_x should be an int"));
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}
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common_hal_displayio_shape_set_boundary(self, y, start_x, end_x);
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(displayio_shape_set_boundary_obj, 4, 4, displayio_shape_obj_set_boundary);
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STATIC const mp_rom_map_elem_t displayio_shape_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_set_boundary), MP_ROM_PTR(&displayio_shape_set_boundary_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(displayio_shape_locals_dict, displayio_shape_locals_dict_table);
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const mp_obj_type_t displayio_shape_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Shape,
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.make_new = displayio_shape_make_new,
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.locals_dict = (mp_obj_dict_t*)&displayio_shape_locals_dict,
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};
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