circuitpython/shared-bindings/vectorio/Circle.c
Jeff Epler 31da335cac
Introduce, use MP_PROPERTY_GETTER, _GETSET
Later, these can be changed in cunning ways to save flash storage.
2022-05-03 08:48:52 -05:00

142 lines
6.1 KiB
C

#include "shared-bindings/vectorio/__init__.h"
#include "shared-bindings/vectorio/Circle.h"
#include "shared-bindings/vectorio/VectorShape.h"
#include <stdint.h>
#include "py/objproperty.h"
#include "py/objtype.h"
#include "py/runtime.h"
#include "supervisor/shared/translate.h"
//| class Circle:
//|
//| def __init__(self, pixel_shader: Union[displayio.ColorConverter, displayio.Palette], radius: int, x: int, y: int) -> None:
//| """Circle is positioned on screen by its center point.
//|
//| :param Union[~displayio.ColorConverter,~displayio.Palette] pixel_shader: The pixel shader that produces colors from values
//| :param int radius: The radius of the circle in pixels
//| :param int x: Initial x position of the axis.
//| :param int y: Initial y position of the axis.
//| :param int color_index: Initial color_index to use when selecting color from the palette."""
//|
static mp_obj_t vectorio_circle_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
enum { ARG_pixel_shader, ARG_radius, ARG_x, ARG_y, ARG_color_index };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_pixel_shader, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ MP_QSTR_radius, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_x, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
{ MP_QSTR_y, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
{ MP_QSTR_color_index, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
mp_int_t radius = args[ARG_radius].u_int;
if (radius < 1) {
mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_radius);
}
vectorio_circle_t *self = m_new_obj(vectorio_circle_t);
self->base.type = &vectorio_circle_type;
uint16_t color_index = args[ARG_color_index].u_int;
common_hal_vectorio_circle_construct(self, radius, color_index);
// VectorShape parts
mp_obj_t pixel_shader = args[ARG_pixel_shader].u_obj;
int32_t x = args[ARG_x].u_int;
int32_t y = args[ARG_y].u_int;
mp_obj_t vector_shape = vectorio_vector_shape_make_new(self, pixel_shader, x, y);
self->draw_protocol_instance = vector_shape;
return MP_OBJ_FROM_PTR(self);
}
STATIC const vectorio_draw_protocol_t circle_draw_protocol = {
MP_PROTO_IMPLEMENT(MP_QSTR_protocol_draw)
.draw_get_protocol_self = (draw_get_protocol_self_fun)common_hal_vectorio_circle_get_draw_protocol,
.draw_protocol_impl = &vectorio_vector_shape_draw_protocol_impl
};
//| radius : int
//| """The radius of the circle in pixels."""
//|
STATIC mp_obj_t vectorio_circle_obj_get_radius(mp_obj_t self_in) {
vectorio_circle_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_int(common_hal_vectorio_circle_get_radius(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(vectorio_circle_get_radius_obj, vectorio_circle_obj_get_radius);
STATIC mp_obj_t vectorio_circle_obj_set_radius(mp_obj_t self_in, mp_obj_t radius) {
vectorio_circle_t *self = MP_OBJ_TO_PTR(self_in);
common_hal_vectorio_circle_set_radius(self, mp_obj_get_int(radius));
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(vectorio_circle_set_radius_obj, vectorio_circle_obj_set_radius);
const mp_obj_property_getset_t vectorio_circle_radius_obj = MP_PROPERTY_GETSET(vectorio_circle_radius_obj,
(mp_obj_t)&vectorio_circle_get_radius_obj,
(mp_obj_t)&vectorio_circle_set_radius_obj);
//| color_index : int
//| """The color_index of the circle as 0 based index of the palette."""
//|
STATIC mp_obj_t vectorio_circle_obj_get_color_index(mp_obj_t self_in) {
vectorio_circle_t *self = MP_OBJ_TO_PTR(self_in);
return mp_obj_new_int(common_hal_vectorio_circle_get_color_index(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(vectorio_circle_get_color_index_obj, vectorio_circle_obj_get_color_index);
STATIC mp_obj_t vectorio_circle_obj_set_color_index(mp_obj_t self_in, mp_obj_t color_index) {
vectorio_circle_t *self = MP_OBJ_TO_PTR(self_in);
common_hal_vectorio_circle_set_color_index(self, mp_obj_get_int(color_index));
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(vectorio_circle_set_color_index_obj, vectorio_circle_obj_set_color_index);
const mp_obj_property_getset_t vectorio_circle_color_index_obj = MP_PROPERTY_GETSET(vectorio_circle_color_index_obj,
(mp_obj_t)&vectorio_circle_get_color_index_obj,
(mp_obj_t)&vectorio_circle_set_color_index_obj);
// Documentation for properties inherited from VectorShape.
//| x : int
//| """X position of the center point of the circle in the parent."""
//|
//| y : int
//| """Y position of the center point of the circle in the parent."""
//|
//| location : Tuple[int,int]
//| """(X,Y) position of the center point of the circle in the parent."""
//|
//| pixel_shader : Union[displayio.ColorConverter,displayio.Palette]
//| """The pixel shader of the circle."""
//|
STATIC const mp_rom_map_elem_t vectorio_circle_locals_dict_table[] = {
// Functions
{ MP_ROM_QSTR(MP_QSTR_contains), MP_ROM_PTR(&vectorio_vector_shape_contains_obj) },
// Properties
{ MP_ROM_QSTR(MP_QSTR_radius), MP_ROM_PTR(&vectorio_circle_radius_obj) },
{ MP_ROM_QSTR(MP_QSTR_x), MP_ROM_PTR(&vectorio_vector_shape_x_obj) },
{ MP_ROM_QSTR(MP_QSTR_y), MP_ROM_PTR(&vectorio_vector_shape_y_obj) },
{ MP_ROM_QSTR(MP_QSTR_color_index), MP_ROM_PTR(&vectorio_circle_color_index_obj) },
{ MP_ROM_QSTR(MP_QSTR_location), MP_ROM_PTR(&vectorio_vector_shape_location_obj) },
{ MP_ROM_QSTR(MP_QSTR_pixel_shader), MP_ROM_PTR(&vectorio_vector_shape_pixel_shader_obj) },
};
STATIC MP_DEFINE_CONST_DICT(vectorio_circle_locals_dict, vectorio_circle_locals_dict_table);
const mp_obj_type_t vectorio_circle_type = {
{ &mp_type_type },
.name = MP_QSTR_Circle,
.flags = MP_TYPE_FLAG_EXTENDED,
.make_new = vectorio_circle_make_new,
.locals_dict = (mp_obj_dict_t *)&vectorio_circle_locals_dict,
MP_TYPE_EXTENDED_FIELDS(
.protocol = &circle_draw_protocol,
),
};