circuitpython/shared-bindings/vectorio/VectorShape.c
2020-07-27 18:05:13 +09:00

191 lines
7.7 KiB
C

#include "shared-module/vectorio/__init__.h"
#include "shared-bindings/vectorio/VectorShape.h"
#include "shared-bindings/vectorio/Circle.h"
#include "shared-bindings/vectorio/Polygon.h"
#include "shared-bindings/vectorio/Rectangle.h"
#include "shared-bindings/displayio/ColorConverter.h"
#include "shared-bindings/displayio/Palette.h"
#include <stdint.h>
#include "lib/utils/context_manager_helpers.h"
#include "py/binary.h"
#include "py/objproperty.h"
#include "py/objtype.h"
#include "py/runtime.h"
#include "supervisor/shared/translate.h"
//| class VectorShape:
//| def __init__(self, shape: Polygon, pixel_shader: displayio.Palette, x: int=0, y: int=0) -> None:
//| """Binds a vector shape to a location and pixel color
//|
//| :param shape: The shape to draw.
//| :param pixel_shader: The pixel shader that produces colors from values
//| :param x: Initial x position of the center axis of the shape within the parent.
//| :param y: Initial y position of the center axis of the shape within the parent."""
//| ...
//|
STATIC mp_obj_t vectorio_vector_shape_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_shape, ARG_pixel_shader, ARG_x, ARG_y };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_shape, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ MP_QSTR_pixel_shader, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
{ 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_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
mp_obj_t pixel_shader = args[ARG_pixel_shader].u_obj;
if (!MP_OBJ_IS_TYPE(pixel_shader, &displayio_colorconverter_type) &&
!MP_OBJ_IS_TYPE(pixel_shader, &displayio_palette_type)) {
mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_pixel_shader);
}
int16_t x = args[ARG_x].u_int;
int16_t y = args[ARG_y].u_int;
mp_obj_t shape = args[ARG_shape].u_obj;
vectorio_ishape_t ishape;
// Wire up shape functions
if (MP_OBJ_IS_TYPE(shape, &vectorio_polygon_type)) {
ishape.shape = shape;
ishape.get_area = &common_hal_vectorio_polygon_get_area;
ishape.get_pixel = &common_hal_vectorio_polygon_get_pixel;
} else if (MP_OBJ_IS_TYPE(shape, &vectorio_rectangle_type)) {
ishape.shape = shape;
ishape.get_area = &common_hal_vectorio_rectangle_get_area;
ishape.get_pixel = &common_hal_vectorio_rectangle_get_pixel;
} else if (MP_OBJ_IS_TYPE(shape, &vectorio_circle_type)) {
ishape.shape = shape;
ishape.get_area = &common_hal_vectorio_circle_get_area;
ishape.get_pixel = &common_hal_vectorio_circle_get_pixel;
} else {
mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_shape);
}
vectorio_vector_shape_t *self = m_new_obj(vectorio_vector_shape_t);
self->base.type = &vectorio_vector_shape_type;
common_hal_vectorio_vector_shape_construct(self,
ishape, pixel_shader, x, y
);
// Wire up event callbacks
vectorio_event_t on_dirty = {
.obj = self,
.event = &common_hal_vectorio_vector_shape_set_dirty
};
if (MP_OBJ_IS_TYPE(shape, &vectorio_polygon_type)) {
common_hal_vectorio_polygon_set_on_dirty(self->ishape.shape, on_dirty);
} else if (MP_OBJ_IS_TYPE(shape, &vectorio_rectangle_type)) {
} else if (MP_OBJ_IS_TYPE(shape, &vectorio_circle_type)) {
common_hal_vectorio_circle_set_on_dirty(self->ishape.shape, on_dirty);
} else {
mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_shape);
}
return MP_OBJ_FROM_PTR(self);
}
//| x: int
//| """X position of the center point of the shape in the parent."""
//|
STATIC mp_obj_t vectorio_vector_shape_obj_get_x(mp_obj_t self_in) {
vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_vectorio_vector_shape_get_x(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(vectorio_vector_shape_get_x_obj, vectorio_vector_shape_obj_get_x);
STATIC mp_obj_t vectorio_vector_shape_obj_set_x(mp_obj_t self_in, mp_obj_t x_obj) {
vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
mp_int_t x = mp_obj_get_int(x_obj);
common_hal_vectorio_vector_shape_set_x(self, x);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(vectorio_vector_shape_set_x_obj, vectorio_vector_shape_obj_set_x);
const mp_obj_property_t vectorio_vector_shape_x_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&vectorio_vector_shape_get_x_obj,
(mp_obj_t)&vectorio_vector_shape_set_x_obj,
(mp_obj_t)&mp_const_none_obj},
};
//| y: int
//| """Y position of the center point of the shape in the parent."""
//|
STATIC mp_obj_t vectorio_vector_shape_obj_get_y(mp_obj_t self_in) {
vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_vectorio_vector_shape_get_y(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(vectorio_vector_shape_get_y_obj, vectorio_vector_shape_obj_get_y);
STATIC mp_obj_t vectorio_vector_shape_obj_set_y(mp_obj_t self_in, mp_obj_t y_obj) {
vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
mp_int_t y = mp_obj_get_int(y_obj);
common_hal_vectorio_vector_shape_set_y(self, y);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(vectorio_vector_shape_set_y_obj, vectorio_vector_shape_obj_set_y);
const mp_obj_property_t vectorio_vector_shape_y_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&vectorio_vector_shape_get_y_obj,
(mp_obj_t)&vectorio_vector_shape_set_y_obj,
(mp_obj_t)&mp_const_none_obj},
};
//| pixel_shader: displayio.Palette
//| """The pixel shader of the shape."""
//|
STATIC mp_obj_t vectorio_vector_shape_obj_get_pixel_shader(mp_obj_t self_in) {
vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
return common_hal_vectorio_vector_shape_get_pixel_shader(self);
}
MP_DEFINE_CONST_FUN_OBJ_1(vectorio_vector_shape_get_pixel_shader_obj, vectorio_vector_shape_obj_get_pixel_shader);
STATIC mp_obj_t vectorio_vector_shape_obj_set_pixel_shader(mp_obj_t self_in, mp_obj_t pixel_shader) {
vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
if (!MP_OBJ_IS_TYPE(pixel_shader, &displayio_palette_type) && !MP_OBJ_IS_TYPE(pixel_shader, &displayio_colorconverter_type)) {
mp_raise_TypeError(translate("pixel_shader must be displayio.Palette or displayio.ColorConverter"));
}
common_hal_vectorio_vector_shape_set_pixel_shader(self, pixel_shader);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(vectorio_vector_shape_set_pixel_shader_obj, vectorio_vector_shape_obj_set_pixel_shader);
const mp_obj_property_t vectorio_vector_shape_pixel_shader_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&vectorio_vector_shape_get_pixel_shader_obj,
(mp_obj_t)&vectorio_vector_shape_set_pixel_shader_obj,
(mp_obj_t)&mp_const_none_obj},
};
STATIC const mp_rom_map_elem_t vectorio_vector_shape_locals_dict_table[] = {
// Properties
{ 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_pixel_shader), MP_ROM_PTR(&vectorio_vector_shape_pixel_shader_obj) },
};
STATIC MP_DEFINE_CONST_DICT(vectorio_vector_shape_locals_dict, vectorio_vector_shape_locals_dict_table);
const mp_obj_type_t vectorio_vector_shape_type = {
{ &mp_type_type },
.name = MP_QSTR_VectorShape,
.make_new = vectorio_vector_shape_make_new,
.locals_dict = (mp_obj_dict_t*)&vectorio_vector_shape_locals_dict,
};