Lines Matching refs:_image

672     self._image = open(self._image_filename, 'r+b')
673     self._image.seek(0, os.SEEK_END)
674     self.image_size = self._image.tell()
676     self._image.seek(0, os.SEEK_SET)
677     header_bin = self._image.read(struct.calcsize(self.HEADER_FORMAT))
706       chunk_offset = self._image.tell()
708       header_bin = self._image.read(struct.calcsize(ImageChunk.FORMAT))
722                                        self._image.tell(),
724         self._image.read(data_sz)
730         fill_data = self._image.read(4)
751         self._image.read(4)
759     self._sparse_end = self._image.tell()
765     junk_len = len(self._image.read())
786     self._image.seek(self.NUM_CHUNKS_AND_BLOCKS_OFFSET, os.SEEK_SET)
787     self._image.write(struct.pack(self.NUM_CHUNKS_AND_BLOCKS_FORMAT,
802       self._image.seek(0, os.SEEK_END)
806       self._image.truncate(self._image.tell() + num_bytes)
814     self._image.seek(self._sparse_end, os.SEEK_SET)
815     self._image.write(struct.pack(ImageChunk.FORMAT,
833       self._image.seek(0, os.SEEK_END)
834       self._image.write(data)
842     self._image.seek(self._sparse_end, os.SEEK_SET)
843     self._image.write(struct.pack(ImageChunk.FORMAT,
849     self._image.write(data)
866       self._image.seek(0, os.SEEK_END)
867       self._image.write(fill_data * (size/4))
875     self._image.seek(self._sparse_end, os.SEEK_SET)
876     self._image.write(struct.pack(ImageChunk.FORMAT,
881     self._image.write(fill_data)
911       self._image.seek(self._file_pos)
912       data = self._image.read(size)
927         self._image.seek(chunk.input_offset + chunk_pos_offset)
928         data.extend(self._image.read(chunk_pos_to_go))
964       self._image.truncate(size)
998         self._image.seek(chunk.chunk_offset)
999         self._image.write(struct.pack(ImageChunk.FORMAT,
1015       self._image.truncate(truncate_at)