def serialize(self, builder: Builder):
image_offset = builder.CreateByteVector(self.image)
TesseractOcrRequestStart(builder)
TesseractOcrRequestAddImage(builder, image_offset)
return TesseractOcrRequestEnd(builder)
def _encode_vector(self, builder: flatbuffers.Builder, value: Collection,
element_type: BaseType) -> int:
if element_type == BaseType.UByte or element_type == BaseType.Byte:
return builder.CreateByteVector(value)
elements_encoded = [
self._encode_value(builder, element, element_type)
for element in value
]
element_bytesize = _number_type_by_base_type[element_type].bytewidth
vector_element_type = _number_type_by_base_type[element_type]
builder.StartVector(element_bytesize, len(elements_encoded),
element_bytesize)
for index, element in enumerate(reversed(elements_encoded)):
if vector_element_type == flatbuffers.number_types.UOffsetTFlags:
builder.PrependUOffsetTRelative(element)
else:
builder.Prepend(_number_type_by_base_type[element_type],
element)
return builder.EndVector(len(elements_encoded))