djsundog
/
circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
circuitpython/shared-bindings/displayio/Group.c

347 lines
14 KiB
C
Raw Blame History

/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2018 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "shared-bindings/displayio/Group.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 Group:
//| """Manage a group of sprites and groups and how they are inter-related."""
//|
//| def __init__(self, *, max_size: int = 4, scale: int = 1, x: int = 0, y: int = 0):
//| """Create a Group of a given size and scale. Scale is in one dimension. For example, scale=2
//| leads to a layer's pixel being 2x2 pixels when in the group.
//|
//| :param int max_size: The maximum group size.
//| :param int scale: Scale of layer pixels in one dimension.
//| :param int x: Initial x position within the parent.
//| :param int y: Initial y position within the parent."""
//| ...
//|
STATIC mp_obj_t displayio_group_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_max_size, ARG_scale, ARG_x, ARG_y };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_max_size, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 4} },
{ MP_QSTR_scale, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 1} },
{ 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_int_t max_size = args[ARG_max_size].u_int;
if (max_size < 1) {
mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_max_size);
}
mp_int_t scale = args[ARG_scale].u_int;
if (scale < 1) {
mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_scale);
}
displayio_group_t *self = m_new_obj(displayio_group_t);
self->base.type = &displayio_group_type;
common_hal_displayio_group_construct(self, max_size, scale, args[ARG_x].u_int, args[ARG_y].u_int);
return MP_OBJ_FROM_PTR(self);
}
// Helper to ensure we have the native super class instead of a subclass.
displayio_group_t* native_group(mp_obj_t group_obj) {
mp_obj_t native_group = mp_instance_cast_to_native_base(group_obj, &displayio_group_type);
if (native_group == MP_OBJ_NULL) {
mp_raise_ValueError_varg(translate("Must be a %q subclass."), MP_QSTR_Group);
}
mp_obj_assert_native_inited(native_group);
return MP_OBJ_TO_PTR(native_group);
}
//| hidden: Any = ...
//| """True when the Group and all of it's layers are not visible. When False, the Group's layers
//| are visible if they haven't been hidden."""
//|
STATIC mp_obj_t displayio_group_obj_get_hidden(mp_obj_t self_in) {
displayio_group_t *self = native_group(self_in);
return mp_obj_new_bool(common_hal_displayio_group_get_hidden(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(displayio_group_get_hidden_obj, displayio_group_obj_get_hidden);
STATIC mp_obj_t displayio_group_obj_set_hidden(mp_obj_t self_in, mp_obj_t hidden_obj) {
displayio_group_t *self = native_group(self_in);
common_hal_displayio_group_set_hidden(self, mp_obj_is_true(hidden_obj));
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_set_hidden_obj, displayio_group_obj_set_hidden);
const mp_obj_property_t displayio_group_hidden_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&displayio_group_get_hidden_obj,
(mp_obj_t)&displayio_group_set_hidden_obj,
(mp_obj_t)&mp_const_none_obj},
};
//| scale: Any = ...
//| """Scales each pixel within the Group in both directions. For example, when scale=2 each pixel
//| will be represented by 2x2 pixels."""
//|
STATIC mp_obj_t displayio_group_obj_get_scale(mp_obj_t self_in) {
displayio_group_t *self = native_group(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_group_get_scale(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(displayio_group_get_scale_obj, displayio_group_obj_get_scale);
STATIC mp_obj_t displayio_group_obj_set_scale(mp_obj_t self_in, mp_obj_t scale_obj) {
displayio_group_t *self = native_group(self_in);
mp_int_t scale = mp_obj_get_int(scale_obj);
if (scale < 1) {
mp_raise_ValueError_varg(translate("%q must be >= 1"), MP_QSTR_scale);
}
common_hal_displayio_group_set_scale(self, scale);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_set_scale_obj, displayio_group_obj_set_scale);
const mp_obj_property_t displayio_group_scale_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&displayio_group_get_scale_obj,
(mp_obj_t)&displayio_group_set_scale_obj,
(mp_obj_t)&mp_const_none_obj},
};
//| x: Any = ...
//| """X position of the Group in the parent."""
//|
STATIC mp_obj_t displayio_group_obj_get_x(mp_obj_t self_in) {
displayio_group_t *self = native_group(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_group_get_x(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(displayio_group_get_x_obj, displayio_group_obj_get_x);
STATIC mp_obj_t displayio_group_obj_set_x(mp_obj_t self_in, mp_obj_t x_obj) {
displayio_group_t *self = native_group(self_in);
mp_int_t x = mp_obj_get_int(x_obj);
common_hal_displayio_group_set_x(self, x);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_set_x_obj, displayio_group_obj_set_x);
const mp_obj_property_t displayio_group_x_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&displayio_group_get_x_obj,
(mp_obj_t)&displayio_group_set_x_obj,
(mp_obj_t)&mp_const_none_obj},
};
//| y: Any = ...
//| """Y position of the Group in the parent."""
//|
STATIC mp_obj_t displayio_group_obj_get_y(mp_obj_t self_in) {
displayio_group_t *self = native_group(self_in);
return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_group_get_y(self));
}
MP_DEFINE_CONST_FUN_OBJ_1(displayio_group_get_y_obj, displayio_group_obj_get_y);
STATIC mp_obj_t displayio_group_obj_set_y(mp_obj_t self_in, mp_obj_t y_obj) {
displayio_group_t *self = native_group(self_in);
mp_int_t y = mp_obj_get_int(y_obj);
common_hal_displayio_group_set_y(self, y);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_set_y_obj, displayio_group_obj_set_y);
const mp_obj_property_t displayio_group_y_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&displayio_group_get_y_obj,
(mp_obj_t)&displayio_group_set_y_obj,
(mp_obj_t)&mp_const_none_obj},
};
//| def append(self, layer: Any) -> Any:
//| """Append a layer to the group. It will be drawn above other layers."""
//| ...
//|
STATIC mp_obj_t displayio_group_obj_append(mp_obj_t self_in, mp_obj_t layer) {
displayio_group_t *self = native_group(self_in);
common_hal_displayio_group_insert(self, common_hal_displayio_group_get_len(self), layer);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_append_obj, displayio_group_obj_append);
//| def insert(self, index: Any, layer: Any) -> Any:
//| """Insert a layer into the group."""
//| ...
//|
STATIC mp_obj_t displayio_group_obj_insert(mp_obj_t self_in, mp_obj_t index_obj, mp_obj_t layer) {
displayio_group_t *self = native_group(self_in);
size_t index = mp_get_index(&displayio_group_type, common_hal_displayio_group_get_len(self), index_obj, false);
common_hal_displayio_group_insert(self, index, layer);
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_3(displayio_group_insert_obj, displayio_group_obj_insert);
//| def index(self, layer: Any) -> Any:
//| """Returns the index of the first copy of layer. Raises ValueError if not found."""
//| ...
//|
STATIC mp_obj_t displayio_group_obj_index(mp_obj_t self_in, mp_obj_t layer) {
displayio_group_t *self = native_group(self_in);
mp_int_t index = common_hal_displayio_group_index(self, layer);
if (index < 0) {
mp_raise_ValueError(translate("object not in sequence"));
}
return MP_OBJ_NEW_SMALL_INT(index);
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_index_obj, displayio_group_obj_index);
//| def pop(self, i: Any = -1) -> Any:
//| """Remove the ith item and return it."""
//| ...
//|
STATIC mp_obj_t displayio_group_obj_pop(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_i };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_i, MP_ARG_INT, {.u_int = -1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
displayio_group_t *self = native_group(pos_args[0]);
size_t index = mp_get_index(&displayio_group_type,
common_hal_displayio_group_get_len(self),
MP_OBJ_NEW_SMALL_INT(args[ARG_i].u_int),
false);
return common_hal_displayio_group_pop(self, index);
}
MP_DEFINE_CONST_FUN_OBJ_KW(displayio_group_pop_obj, 1, displayio_group_obj_pop);
//| def remove(self, layer: Any) -> Any:
//| """Remove the first copy of layer. Raises ValueError if it is not present."""
//| ...
//|
STATIC mp_obj_t displayio_group_obj_remove(mp_obj_t self_in, mp_obj_t layer) {
mp_obj_t index = displayio_group_obj_index(self_in, layer);
displayio_group_t *self = native_group(self_in);
common_hal_displayio_group_pop(self, MP_OBJ_SMALL_INT_VALUE(index));
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(displayio_group_remove_obj, displayio_group_obj_remove);
//| def __len__(self, ) -> Any:
//| """Returns the number of layers in a Group"""
//| ...
//|
STATIC mp_obj_t group_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
displayio_group_t *self = native_group(self_in);
uint16_t len = common_hal_displayio_group_get_len(self);
switch (op) {
case MP_UNARY_OP_BOOL: return mp_obj_new_bool(len != 0);
case MP_UNARY_OP_LEN: return MP_OBJ_NEW_SMALL_INT(len);
default: return MP_OBJ_NULL; // op not supported
}
}
//| def __getitem__(self, index: Any) -> Any:
//| """Returns the value at the given index.
//|
//| This allows you to::
//|
//| print(group[0])"""
//| ...
//|
//| def __setitem__(self, index: Any, value: Any) -> Any:
//| """Sets the value at the given index.
//|
//| This allows you to::
//|
//| group[0] = sprite"""
//| ...
//|
//| def __delitem__(self, index: Any) -> Any:
//| """Deletes the value at the given index.
//|
//| This allows you to::
//|
//| del group[0]"""
//| ...
//|
STATIC mp_obj_t group_subscr(mp_obj_t self_in, mp_obj_t index_obj, mp_obj_t value) {
displayio_group_t *self = native_group(self_in);
if (MP_OBJ_IS_TYPE(index_obj, &mp_type_slice)) {
mp_raise_NotImplementedError(translate("Slices not supported"));
} else {
size_t index = mp_get_index(&displayio_group_type, common_hal_displayio_group_get_len(self), index_obj, false);
if (value == MP_OBJ_SENTINEL) {
// load
return common_hal_displayio_group_get(self, index);
} else if (value == MP_OBJ_NULL) {
common_hal_displayio_group_pop(self, index);
} else {
common_hal_displayio_group_set(self, index, value);
}
}
return mp_const_none;
}
STATIC const mp_rom_map_elem_t displayio_group_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_hidden), MP_ROM_PTR(&displayio_group_hidden_obj) },
{ MP_ROM_QSTR(MP_QSTR_scale), MP_ROM_PTR(&displayio_group_scale_obj) },
{ MP_ROM_QSTR(MP_QSTR_x), MP_ROM_PTR(&displayio_group_x_obj) },
{ MP_ROM_QSTR(MP_QSTR_y), MP_ROM_PTR(&displayio_group_y_obj) },
{ MP_ROM_QSTR(MP_QSTR_append), MP_ROM_PTR(&displayio_group_append_obj) },
{ MP_ROM_QSTR(MP_QSTR_insert), MP_ROM_PTR(&displayio_group_insert_obj) },
{ MP_ROM_QSTR(MP_QSTR_index), MP_ROM_PTR(&displayio_group_index_obj) },
{ MP_ROM_QSTR(MP_QSTR_pop), MP_ROM_PTR(&displayio_group_pop_obj) },
{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&displayio_group_remove_obj) },
};
STATIC MP_DEFINE_CONST_DICT(displayio_group_locals_dict, displayio_group_locals_dict_table);
const mp_obj_type_t displayio_group_type = {
{ &mp_type_type },
.name = MP_QSTR_Group,
.make_new = displayio_group_make_new,
.subscr = group_subscr,
.unary_op = group_unary_op,
.getiter = mp_obj_new_generic_iterator,
.locals_dict = (mp_obj_dict_t*)&displayio_group_locals_dict,
};
Reference in New Issue View Git Blame Copy Permalink