static SkImageFilter* make_serialized_image_filter() {
SkAutoTUnref<SkImageFilter> filter(make_image_filter(false));
SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter));
const unsigned char* ptr = static_cast<const unsigned char*>(data->data());
size_t len = data->size();
#ifdef SK_ADD_RANDOM_BIT_FLIPS
unsigned char* p = const_cast<unsigned char*>(ptr);
for (size_t i = 0; i < len; ++i, ++p) {
if (R(250) == 1) { // 0.4% of the time, flip a bit or byte
if (R(10) == 1) { // Then 10% of the time, change a whole byte
switch(R(3)) {
case 0:
*p ^= 0xFF; // Flip entire byte
break;
case 1:
*p = 0xFF; // Set all bits to 1
break;
case 2:
*p = 0x00; // Set all bits to 0
break;
}
} else {
*p ^= (1 << R(8));
}
}
}
#endif // SK_ADD_RANDOM_BIT_FLIPS
SkFlattenable* flattenable = SkValidatingDeserializeFlattenable(ptr, len,
SkImageFilter::GetFlattenableType());
return static_cast<SkImageFilter*>(flattenable);
}
static sk_sp<SkImageFilter> make_serialized_image_filter() {
sk_sp<SkImageFilter> filter(make_image_filter(false));
sk_sp<SkData> data(SkValidatingSerializeFlattenable(filter.get()));
const unsigned char* ptr = static_cast<const unsigned char*>(data->data());
size_t len = data->size();
#ifdef SK_ADD_RANDOM_BIT_FLIPS
unsigned char* p = const_cast<unsigned char*>(ptr);
for (size_t i = 0; i < len; ++i, ++p) {
uint8_t j;
fuzz->nextRange(&j, 1, 250);
if (j == 1) { // 0.4% of the time, flip a bit or byte
uint8_t k;
fuzz->nextRange(&k, 1, 10);
if (k == 1) { // Then 10% of the time, change a whole byte
uint8_t s;
fuzz->nextRange(&s, 0, 2);
switch(s) {
case 0:
*p ^= 0xFF; // Flip entire byte
break;
case 1:
*p = 0xFF; // Set all bits to 1
break;
case 2:
*p = 0x00; // Set all bits to 0
break;
}
} else {
uint8_t s;
fuzz->nextRange(&s, 0, 7);
*p ^= (1 << 7);
}
}
}
#endif // SK_ADD_RANDOM_BIT_FLIPS
return SkValidatingDeserializeImageFilter(ptr, len);
}
