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| 1 | + |
| 2 | +#include "shared-module/vectorio/__init__.h" |
| 3 | +#include "shared-bindings/vectorio/Polygon.h" |
| 4 | + |
| 5 | +#include <stdint.h> |
| 6 | + |
| 7 | +#include "py/obj.h" |
| 8 | +#include "py/objproperty.h" |
| 9 | +#include "py/objtype.h" |
| 10 | +#include "py/runtime.h" |
| 11 | +#include "supervisor/shared/translate.h" |
| 12 | + |
| 13 | + |
| 14 | +#define VECTORIO_POLYGON_DEBUG(...) (void)0 |
| 15 | +// #define VECTORIO_POLYGON_DEBUG(...) mp_printf(&mp_plat_print __VA_OPT__(,) __VA_ARGS__) |
| 16 | + |
| 17 | + |
| 18 | +// Converts a list of points tuples to a flat list of ints for speedier internal use. |
| 19 | +// Also validates the points. |
| 20 | +static mp_obj_t _to_points_list(mp_obj_t points_tuple_list) { |
| 21 | + size_t len = 0; |
| 22 | + mp_obj_t *items; |
| 23 | + mp_obj_list_get(points_tuple_list, &len, &items); |
| 24 | + VECTORIO_POLYGON_DEBUG("polygon_points_list len: %d\n", len); |
| 25 | + |
| 26 | + if ( len == 0 ) { |
| 27 | + mp_raise_TypeError_varg(translate("empty %q list"), MP_QSTR_point); |
| 28 | + } |
| 29 | + |
| 30 | + mp_obj_t points_list = mp_obj_new_list(0, NULL); |
| 31 | + |
| 32 | + for ( size_t i = 0; i < len; ++i) { |
| 33 | + size_t tuple_len = 0; |
| 34 | + mp_obj_t *tuple_items; |
| 35 | + mp_obj_tuple_get(items[i], &tuple_len, &tuple_items); |
| 36 | + |
| 37 | + if (tuple_len != 2) { |
| 38 | + mp_raise_ValueError_varg(translate("%q must be a tuple of length 2"), MP_QSTR_point); |
| 39 | + } |
| 40 | + int value; |
| 41 | + if (!mp_obj_get_int_maybe(tuple_items[0], &value)) { |
| 42 | + mp_raise_ValueError_varg(translate("unsupported %q type"), MP_QSTR_point); |
| 43 | + } |
| 44 | + mp_obj_list_append(points_list, MP_OBJ_NEW_SMALL_INT(value)); |
| 45 | + if (!mp_obj_get_int_maybe(tuple_items[1], &value)) { |
| 46 | + mp_raise_ValueError_varg(translate("unsupported %q type"), MP_QSTR_point); |
| 47 | + } |
| 48 | + mp_obj_list_append(points_list, MP_OBJ_NEW_SMALL_INT(value)); |
| 49 | + } |
| 50 | + return points_list; |
| 51 | +} |
| 52 | + |
| 53 | + |
| 54 | + |
| 55 | +//| .. currentmodule:: vectorio |
| 56 | +//| |
| 57 | +//| :class:`Polygon` -- Represents a closed shape by ordered vertices |
| 58 | +//| ========================================================================== |
| 59 | +//| |
| 60 | +//| .. class:: Polygon( List[ Tuple[ x, y ], ... ] ) |
| 61 | +//| |
| 62 | +//| :param [Point] points_array: Vertices for the polygon |
| 63 | +//| |
| 64 | +static mp_obj_t vectorio_polygon_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { |
| 65 | + enum { ARG_points_list }; |
| 66 | + static const mp_arg_t allowed_args[] = { |
| 67 | + { MP_QSTR_points, MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, |
| 68 | + }; |
| 69 | + mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; |
| 70 | + mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); |
| 71 | + |
| 72 | + if (!MP_OBJ_IS_TYPE(args[ARG_points_list].u_obj, &mp_type_list)) { |
| 73 | + mp_raise_TypeError_varg(translate("%q list must be a list"), MP_QSTR_point); |
| 74 | + } |
| 75 | + mp_obj_t points_list = _to_points_list(args[ARG_points_list].u_obj); |
| 76 | + |
| 77 | + vectorio_polygon_t *self = m_new_obj(vectorio_polygon_t); |
| 78 | + self->base.type = &vectorio_polygon_type; |
| 79 | + |
| 80 | + common_hal_vectorio_polygon_construct(self, points_list); |
| 81 | + |
| 82 | + return MP_OBJ_FROM_PTR(self); |
| 83 | +} |
| 84 | + |
| 85 | + |
| 86 | +//| .. attribute:: points |
| 87 | +//| |
| 88 | +//| Set a new look and shape for this polygon |
| 89 | +//| |
| 90 | +STATIC mp_obj_t vectorio_polygon_obj_get_points(mp_obj_t self_in) { |
| 91 | + vectorio_polygon_t *self = MP_OBJ_TO_PTR(self_in); |
| 92 | + mp_obj_t list = mp_obj_new_list(0, NULL); |
| 93 | + |
| 94 | + size_t len = 0; |
| 95 | + mp_obj_t *items; |
| 96 | + mp_obj_list_get(common_hal_vectorio_polygon_get_points(self), &len, &items); |
| 97 | + |
| 98 | + for (size_t i = 0; i < len; i += 2) { |
| 99 | + mp_obj_t tuple[] = { items[i], items[i+1] }; |
| 100 | + mp_obj_list_append( |
| 101 | + list, |
| 102 | + mp_obj_new_tuple(2, tuple) |
| 103 | + ); |
| 104 | + } |
| 105 | + return list; |
| 106 | +} |
| 107 | +MP_DEFINE_CONST_FUN_OBJ_1(vectorio_polygon_get_points_obj, vectorio_polygon_obj_get_points); |
| 108 | + |
| 109 | +STATIC mp_obj_t vectorio_polygon_obj_set_points(mp_obj_t self_in, mp_obj_t points) { |
| 110 | + vectorio_polygon_t *self = MP_OBJ_TO_PTR(self_in); |
| 111 | + |
| 112 | + mp_obj_t points_list = _to_points_list(points); |
| 113 | + |
| 114 | + common_hal_vectorio_polygon_set_points(self, points_list); |
| 115 | + return mp_const_none; |
| 116 | +} |
| 117 | +MP_DEFINE_CONST_FUN_OBJ_2(vectorio_polygon_set_points_obj, vectorio_polygon_obj_set_points); |
| 118 | + |
| 119 | +const mp_obj_property_t vectorio_polygon_points_obj = { |
| 120 | + .base.type = &mp_type_property, |
| 121 | + .proxy = {(mp_obj_t)&vectorio_polygon_get_points_obj, |
| 122 | + (mp_obj_t)&vectorio_polygon_set_points_obj, |
| 123 | + (mp_obj_t)&mp_const_none_obj}, |
| 124 | +}; |
| 125 | + |
| 126 | + |
| 127 | + |
| 128 | +STATIC const mp_rom_map_elem_t vectorio_polygon_locals_dict_table[] = { |
| 129 | + { MP_ROM_QSTR(MP_QSTR_points), MP_ROM_PTR(&vectorio_polygon_points_obj) }, |
| 130 | +}; |
| 131 | +STATIC MP_DEFINE_CONST_DICT(vectorio_polygon_locals_dict, vectorio_polygon_locals_dict_table); |
| 132 | + |
| 133 | +const mp_obj_type_t vectorio_polygon_type = { |
| 134 | + { &mp_type_type }, |
| 135 | + .name = MP_QSTR_Polygon, |
| 136 | + .make_new = vectorio_polygon_make_new, |
| 137 | + .locals_dict = (mp_obj_dict_t*)&vectorio_polygon_locals_dict, |
| 138 | +}; |
| 139 | + |
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