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Merge remote-tracking branch 'origin/main'
2 parents fc60624 + 29b3580 commit 618cfb0

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3 files changed

+20
-40
lines changed

3 files changed

+20
-40
lines changed

‎shared-bindings/displayio/Bitmap.c

Lines changed: 18 additions & 38 deletions
Original file line numberDiff line numberDiff line change
@@ -62,14 +62,11 @@
6262
//| ...
6363
STATIC mp_obj_t displayio_bitmap_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
6464
mp_arg_check_num(n_args, n_kw, 3, 3, false);
65-
uint32_t width = mp_obj_get_int(all_args[0]);
66-
uint32_t height = mp_obj_get_int(all_args[1]);
67-
uint32_t value_count = mp_obj_get_int(all_args[2]);
65+
uint32_t width = mp_arg_validate_int_range(mp_obj_get_int(all_args[0]), 1, 32767, MP_QSTR_width);
66+
uint32_t height = mp_arg_validate_int_range(mp_obj_get_int(all_args[1]), 1, 32767, MP_QSTR_height);
67+
uint32_t value_count = mp_arg_validate_int_range(mp_obj_get_int(all_args[2]), 1, 65535, MP_QSTR_value_count);
6868
uint32_t bits = 1;
6969

70-
if (value_count == 0) {
71-
mp_raise_ValueError(translate("value_count must be > 0"));
72-
}
7370
while ((value_count - 1) >> bits) {
7471
if (bits < 8) {
7572
bits <<= 1;
@@ -154,28 +151,24 @@ STATIC mp_obj_t bitmap_subscr(mp_obj_t self_in, mp_obj_t index_obj, mp_obj_t val
154151
uint16_t x = 0;
155152
uint16_t y = 0;
156153
if (mp_obj_is_small_int(index_obj)) {
157-
mp_int_t i = MP_OBJ_SMALL_INT_VALUE(index_obj);
154+
mp_int_t i = mp_arg_validate_int_min(MP_OBJ_SMALL_INT_VALUE(index_obj), 0, MP_QSTR_index);
158155
uint16_t width = common_hal_displayio_bitmap_get_width(self);
159156
x = i % width;
160157
y = i / width;
161158
} else {
162159
mp_obj_t *items;
163160
mp_obj_get_array_fixed_n(index_obj, 2, &items);
164-
x = mp_obj_get_int(items[0]);
165-
y = mp_obj_get_int(items[1]);
166-
if (x >= common_hal_displayio_bitmap_get_width(self) || y >= common_hal_displayio_bitmap_get_height(self)) {
167-
mp_raise_IndexError(translate("pixel coordinates out of bounds"));
168-
}
161+
x = mp_arg_validate_int_range(mp_obj_get_int(items[0]), 0, self->width - 1, MP_QSTR_x);
162+
y = mp_arg_validate_int_range(mp_obj_get_int(items[1]), 0, self->height - 1, MP_QSTR_y);
169163
}
170164

171165
if (value_obj == MP_OBJ_SENTINEL) {
172166
// load
173167
return MP_OBJ_NEW_SMALL_INT(common_hal_displayio_bitmap_get_pixel(self, x, y));
174168
} else {
175-
mp_uint_t value = (mp_uint_t)mp_obj_get_int(value_obj);
176-
if ((value >> common_hal_displayio_bitmap_get_bits_per_value(self)) != 0) {
177-
mp_raise_ValueError(translate("pixel value requires too many bits"));
178-
}
169+
mp_uint_t value = (mp_uint_t)mp_arg_validate_int_range(
170+
mp_obj_get_int(value_obj), 0,
171+
(UINT32_MAX >> (32 - common_hal_displayio_bitmap_get_bits_per_value(self))), MP_QSTR_value);
179172
common_hal_displayio_bitmap_set_pixel(self, x, y, value);
180173
}
181174
return mp_const_none;
@@ -226,8 +219,9 @@ STATIC mp_obj_t displayio_bitmap_obj_blit(size_t n_args, const mp_obj_t *pos_arg
226219
displayio_bitmap_t *self = MP_OBJ_TO_PTR(pos_args[0]);
227220
check_for_deinit(self);
228221

229-
int16_t x = args[ARG_x].u_int;
230-
int16_t y = args[ARG_y].u_int;
222+
// Check x,y are within self (target) bitmap boundary
223+
int16_t x = mp_arg_validate_int_range(args[ARG_x].u_int, 0, self->width - 1, MP_QSTR_x);
224+
int16_t y = mp_arg_validate_int_range(args[ARG_y].u_int, 0, self->height - 1, MP_QSTR_y);
231225

232226
displayio_bitmap_t *source = mp_arg_validate_type(args[ARG_source].u_obj, &displayio_bitmap_type, MP_QSTR_source_bitmap);
233227

@@ -237,32 +231,21 @@ STATIC mp_obj_t displayio_bitmap_obj_blit(size_t n_args, const mp_obj_t *pos_arg
237231
mp_raise_ValueError(translate("source palette too large"));
238232
}
239233

240-
int16_t x1 = args[ARG_x1].u_int;
241-
int16_t y1 = args[ARG_y1].u_int;
234+
// Check x1,y1,x2,y2 are within source bitmap boundary
235+
int16_t x1 = mp_arg_validate_int_range(args[ARG_x1].u_int, 0, source->width - 1, MP_QSTR_x1);
236+
int16_t y1 = mp_arg_validate_int_range(args[ARG_y1].u_int, 0, source->height - 1, MP_QSTR_y1);
242237
int16_t x2, y2;
243238
// if x2 or y2 is None, then set as the maximum size of the source bitmap
244239
if (args[ARG_x2].u_obj == mp_const_none) {
245240
x2 = source->width;
246241
} else {
247-
x2 = mp_obj_get_int(args[ARG_x2].u_obj);
242+
x2 = mp_arg_validate_int_range(mp_obj_get_int(args[ARG_x2].u_obj), 0, source->width, MP_QSTR_x2);
248243
}
249244
// int16_t y2;
250245
if (args[ARG_y2].u_obj == mp_const_none) {
251246
y2 = source->height;
252247
} else {
253-
y2 = mp_obj_get_int(args[ARG_y2].u_obj);
254-
}
255-
256-
// Check x,y are within self (target) bitmap boundary
257-
if ((x < 0) || (y < 0) || (x > self->width) || (y > self->height)) {
258-
mp_raise_ValueError(translate("out of range of target"));
259-
}
260-
// Check x1,y1,x2,y2 are within source bitmap boundary
261-
if ((x1 < 0) || (x1 > source->width) ||
262-
(y1 < 0) || (y1 > source->height) ||
263-
(x2 < 0) || (x2 > source->width) ||
264-
(y2 < 0) || (y2 > source->height)) {
265-
mp_raise_ValueError(translate("out of range of source"));
248+
y2 = mp_arg_validate_int_range(mp_obj_get_int(args[ARG_y2].u_obj), 0, source->height, MP_QSTR_y2);
266249
}
267250

268251
// Ensure x1 < x2 and y1 < y2
@@ -301,10 +284,7 @@ STATIC mp_obj_t displayio_bitmap_obj_fill(mp_obj_t self_in, mp_obj_t value_obj)
301284
displayio_bitmap_t *self = MP_OBJ_TO_PTR(self_in);
302285
check_for_deinit(self);
303286

304-
mp_uint_t value = (mp_uint_t)mp_obj_get_int(value_obj);
305-
if ((value >> common_hal_displayio_bitmap_get_bits_per_value(self)) != 0) {
306-
mp_raise_ValueError(translate("pixel value requires too many bits"));
307-
}
287+
mp_uint_t value = (mp_uint_t)mp_arg_validate_int_range(mp_obj_get_int(value_obj), 0,(1u << common_hal_displayio_bitmap_get_bits_per_value(self)) - 1,MP_QSTR_value);
308288
common_hal_displayio_bitmap_fill(self, value);
309289

310290
return mp_const_none;

‎shared-bindings/displayio/Group.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -56,7 +56,7 @@ STATIC mp_obj_t displayio_group_make_new(const mp_obj_type_t *type, size_t n_arg
5656
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
5757
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
5858

59-
mp_int_t scale = mp_arg_validate_int_min(args[ARG_scale].u_int, 1, MP_QSTR_scale);
59+
mp_int_t scale = mp_arg_validate_int_range(args[ARG_scale].u_int, 1, 32767,MP_QSTR_scale);
6060

6161
displayio_group_t *self = m_new_obj(displayio_group_t);
6262
self->base.type = &displayio_group_type;

‎shared-bindings/displayio/Palette.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -61,7 +61,7 @@ STATIC mp_obj_t displayio_palette_make_new(const mp_obj_type_t *type, size_t n_a
6161

6262
displayio_palette_t *self = m_new_obj(displayio_palette_t);
6363
self->base.type = &displayio_palette_type;
64-
common_hal_displayio_palette_construct(self, args[ARG_color_count].u_int, args[ARG_dither].u_bool);
64+
common_hal_displayio_palette_construct(self, mp_arg_validate_int_range(args[ARG_color_count].u_int, 1, 32767, MP_QSTR_color_count), args[ARG_dither].u_bool);
6565

6666
return MP_OBJ_FROM_PTR(self);
6767
}

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