Lines Matching refs:ImageChunk

208 class ImageChunk(object):  class
344     if chunk_hdr_sz != struct.calcsize(ImageChunk.FORMAT):
361       header_bin = self._image.read(struct.calcsize(ImageChunk.FORMAT))
362       (chunk_type, _, chunk_sz, total_sz) = struct.unpack(ImageChunk.FORMAT,
364       data_sz = total_sz - struct.calcsize(ImageChunk.FORMAT)
366       if chunk_type == ImageChunk.TYPE_RAW:
371         self._chunks.append(ImageChunk(ImageChunk.TYPE_RAW,
379       elif chunk_type == ImageChunk.TYPE_FILL:
384         self._chunks.append(ImageChunk(ImageChunk.TYPE_FILL,
390       elif chunk_type == ImageChunk.TYPE_DONT_CARE:
394         self._chunks.append(ImageChunk(ImageChunk.TYPE_DONT_CARE,
400       elif chunk_type == ImageChunk.TYPE_CRC32:
468     self._image.write(struct.pack(ImageChunk.FORMAT,
469                                   ImageChunk.TYPE_DONT_CARE,
472                                   struct.calcsize(ImageChunk.FORMAT)))
496     self._image.write(struct.pack(ImageChunk.FORMAT,
497                                   ImageChunk.TYPE_RAW,
501                                   struct.calcsize(ImageChunk.FORMAT)))
529     self._image.write(struct.pack(ImageChunk.FORMAT,
530                                   ImageChunk.TYPE_FILL,
533                                   4 + struct.calcsize(ImageChunk.FORMAT)))
577       if chunk.chunk_type == ImageChunk.TYPE_RAW:
580       elif chunk.chunk_type == ImageChunk.TYPE_FILL:
585         assert chunk.chunk_type == ImageChunk.TYPE_DONT_CARE
635         if chunk.chunk_type == ImageChunk.TYPE_RAW:
637                          struct.calcsize(ImageChunk.FORMAT) + num_to_keep)
639         elif chunk.chunk_type == ImageChunk.TYPE_FILL:
641                          struct.calcsize(ImageChunk.FORMAT) + 4)
644           assert chunk.chunk_type == ImageChunk.TYPE_DONT_CARE
645           truncate_at = chunk.chunk_offset + struct.calcsize(ImageChunk.FORMAT)
648         total_sz = data_sz + struct.calcsize(ImageChunk.FORMAT)
650         self._image.write(struct.pack(ImageChunk.FORMAT,