206d0e598a
vectorio builds on m4 express feather
Concrete shapes are composed into a VectorShape which is put into a displayio Group for display.
VectorShape provides transpose and x/y positioning for shape implementations.
Included Shapes:
* Circle
- A radius; Circle is positioned at its axis in the VectorShape.
- You can freely modify the radius to grow and shrink the circle in-place.
* Polygon
- An ordered list of points.
- Beteween each successive point an edge is inferred. A final edge closing the shape is inferred between the last
point and the first point.
- You can modify the points in a Polygon. The points' coordinate system is relative to (0, 0) so if you'd like a
top-center justified 10x20 rectangle you can do points [(-5, 0), (5, 0), (5, 20), (0, 20)] and your VectorShape
x and y properties will position the rectangle relative to its top center point
* Rectangle
A width and a height.
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
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#include "shared-bindings/vectorio/Circle.h"
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#include <stdint.h>
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#include "py/objproperty.h"
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#include "py/objtype.h"
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#include "py/runtime.h"
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#include "supervisor/shared/translate.h"
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//| .. currentmodule:: vectorio
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//|
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//| :class:`Circle` -- Represents a circle by its radius
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//| ==========================================================================
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//|
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//| .. class:: Circle(radius)
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//|
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//| :param int radius: The radius of the circle in pixels
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//|
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static mp_obj_t vectorio_circle_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_radius };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_radius, MP_ARG_REQUIRED | MP_ARG_INT },
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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 radius = args[ARG_radius].u_int;
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if (radius < 1) {
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mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_radius);
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}
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vectorio_circle_t *self = m_new_obj(vectorio_circle_t);
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self->base.type = &vectorio_circle_type;
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common_hal_vectorio_circle_construct(self, radius);
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return MP_OBJ_FROM_PTR(self);
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}
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//| .. attribute:: radius
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//|
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//| Update the radius of the circle
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//|
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STATIC mp_obj_t vectorio_circle_obj_get_radius(mp_obj_t self_in) {
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vectorio_circle_t *self = MP_OBJ_TO_PTR(self_in);
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return mp_obj_new_int(common_hal_vectorio_circle_get_radius(self));
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}
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MP_DEFINE_CONST_FUN_OBJ_1(vectorio_circle_get_radius_obj, vectorio_circle_obj_get_radius);
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STATIC mp_obj_t vectorio_circle_obj_set_radius(mp_obj_t self_in, mp_obj_t radius) {
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vectorio_circle_t *self = MP_OBJ_TO_PTR(self_in);
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common_hal_vectorio_circle_set_radius(self, mp_obj_get_int(radius));
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_2(vectorio_circle_set_radius_obj, vectorio_circle_obj_set_radius);
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const mp_obj_property_t vectorio_circle_radius_obj = {
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.base.type = &mp_type_property,
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.proxy = {(mp_obj_t)&vectorio_circle_get_radius_obj,
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(mp_obj_t)&vectorio_circle_set_radius_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 vectorio_circle_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_radius), MP_ROM_PTR(&vectorio_circle_radius_obj) },
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};
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STATIC MP_DEFINE_CONST_DICT(vectorio_circle_locals_dict, vectorio_circle_locals_dict_table);
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const mp_obj_type_t vectorio_circle_type = {
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{ &mp_type_type },
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.name = MP_QSTR_Circle,
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.make_new = vectorio_circle_make_new,
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.locals_dict = (mp_obj_dict_t*)&vectorio_circle_locals_dict,
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};
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