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Merge remote-tracking branch 'origin/main'
2 parents 8cc44f2 + 81c5a37 commit d6b66b1

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shared-bindings/displayio/Bitmap.c

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -62,8 +62,8 @@
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_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);
65+
uint32_t width = mp_arg_validate_int_range(mp_obj_get_int(all_args[0]), 0, 32767, MP_QSTR_width);
66+
uint32_t height = mp_arg_validate_int_range(mp_obj_get_int(all_args[1]), 0, 32767, MP_QSTR_height);
6767
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

@@ -232,8 +232,8 @@ STATIC mp_obj_t displayio_bitmap_obj_blit(size_t n_args, const mp_obj_t *pos_arg
232232
check_for_deinit(self);
233233

234234
// Check x,y are within self (target) bitmap boundary
235-
int16_t x = mp_arg_validate_int_range(args[ARG_x].u_int, 0, self->width - 1, MP_QSTR_x);
236-
int16_t y = mp_arg_validate_int_range(args[ARG_y].u_int, 0, self->height - 1, MP_QSTR_y);
235+
int16_t x = mp_arg_validate_int_range(args[ARG_x].u_int, 0, MAX(0, self->width - 1), MP_QSTR_x);
236+
int16_t y = mp_arg_validate_int_range(args[ARG_y].u_int, 0, MAX(0, self->height - 1), MP_QSTR_y);
237237

238238
displayio_bitmap_t *source = mp_arg_validate_type(args[ARG_source].u_obj, &displayio_bitmap_type, MP_QSTR_source_bitmap);
239239

@@ -244,8 +244,8 @@ STATIC mp_obj_t displayio_bitmap_obj_blit(size_t n_args, const mp_obj_t *pos_arg
244244
}
245245

246246
// Check x1,y1,x2,y2 are within source bitmap boundary
247-
int16_t x1 = mp_arg_validate_int_range(args[ARG_x1].u_int, 0, source->width - 1, MP_QSTR_x1);
248-
int16_t y1 = mp_arg_validate_int_range(args[ARG_y1].u_int, 0, source->height - 1, MP_QSTR_y1);
247+
int16_t x1 = mp_arg_validate_int_range(args[ARG_x1].u_int, 0, MAX(0, source->width - 1), MP_QSTR_x1);
248+
int16_t y1 = mp_arg_validate_int_range(args[ARG_y1].u_int, 0, MAX(0, source->height - 1), MP_QSTR_y1);
249249
int16_t x2, y2;
250250
// if x2 or y2 is None, then set as the maximum size of the source bitmap
251251
if (args[ARG_x2].u_obj == mp_const_none) {

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