Lines Matching refs:ImageChunk

555 class ImageChunk(object):  class
687     if chunk_hdr_sz != struct.calcsize(ImageChunk.FORMAT):
704       header_bin = self._image.read(struct.calcsize(ImageChunk.FORMAT))
705       (chunk_type, _, chunk_sz, total_sz) = struct.unpack(ImageChunk.FORMAT,
707       data_sz = total_sz - struct.calcsize(ImageChunk.FORMAT)
709       if chunk_type == ImageChunk.TYPE_RAW:
714         self._chunks.append(ImageChunk(ImageChunk.TYPE_RAW,
722       elif chunk_type == ImageChunk.TYPE_FILL:
727         self._chunks.append(ImageChunk(ImageChunk.TYPE_FILL,
733       elif chunk_type == ImageChunk.TYPE_DONT_CARE:
737         self._chunks.append(ImageChunk(ImageChunk.TYPE_DONT_CARE,
743       elif chunk_type == ImageChunk.TYPE_CRC32:
811     self._image.write(struct.pack(ImageChunk.FORMAT,
812                                   ImageChunk.TYPE_DONT_CARE,
815                                   struct.calcsize(ImageChunk.FORMAT)))
839     self._image.write(struct.pack(ImageChunk.FORMAT,
840                                   ImageChunk.TYPE_RAW,
844                                   struct.calcsize(ImageChunk.FORMAT)))
872     self._image.write(struct.pack(ImageChunk.FORMAT,
873                                   ImageChunk.TYPE_FILL,
876                                   4 + struct.calcsize(ImageChunk.FORMAT)))
920       if chunk.chunk_type == ImageChunk.TYPE_RAW:
923       elif chunk.chunk_type == ImageChunk.TYPE_FILL:
928         assert chunk.chunk_type == ImageChunk.TYPE_DONT_CARE
978         if chunk.chunk_type == ImageChunk.TYPE_RAW:
980                          struct.calcsize(ImageChunk.FORMAT) + num_to_keep)
982         elif chunk.chunk_type == ImageChunk.TYPE_FILL:
984                          struct.calcsize(ImageChunk.FORMAT) + 4)
987           assert chunk.chunk_type == ImageChunk.TYPE_DONT_CARE
988           truncate_at = chunk.chunk_offset + struct.calcsize(ImageChunk.FORMAT)
991         total_sz = data_sz + struct.calcsize(ImageChunk.FORMAT)
993         self._image.write(struct.pack(ImageChunk.FORMAT,