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author | AlexSm <alex@ydb.tech> | 2024-01-26 16:00:50 +0100 |
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committer | GitHub <noreply@github.com> | 2024-01-26 16:00:50 +0100 |
commit | 7ebcfd058d924bcc8c23da70e034f7415687885c (patch) | |
tree | e4f00d163c77528c1855f2d7af54a8be83fc1ccb /contrib/python/Pillow/py3/PIL/TiffImagePlugin.py | |
parent | 64ca2dcd06312b9eef624054ceb5f787e11be79a (diff) | |
parent | 6d79e7793c2c462134f4b4a7d911abc7b9b0766f (diff) | |
download | ydb-7ebcfd058d924bcc8c23da70e034f7415687885c.tar.gz |
Merge pull request #1260 from ydb-platform/mergelibs10
mergelibs10
Diffstat (limited to 'contrib/python/Pillow/py3/PIL/TiffImagePlugin.py')
-rw-r--r-- | contrib/python/Pillow/py3/PIL/TiffImagePlugin.py | 53 |
1 files changed, 28 insertions, 25 deletions
diff --git a/contrib/python/Pillow/py3/PIL/TiffImagePlugin.py b/contrib/python/Pillow/py3/PIL/TiffImagePlugin.py index dabf8dbfb5..e20d4d5ea8 100644 --- a/contrib/python/Pillow/py3/PIL/TiffImagePlugin.py +++ b/contrib/python/Pillow/py3/PIL/TiffImagePlugin.py @@ -38,6 +38,8 @@ # # See the README file for information on usage and redistribution. # +from __future__ import annotations + import io import itertools import logging @@ -1702,25 +1704,27 @@ def _save(im, fp, filename): colormap += [0] * (256 - colors) ifd[COLORMAP] = colormap # data orientation - stride = len(bits) * ((im.size[0] * bits[0] + 7) // 8) - # aim for given strip size (64 KB by default) when using libtiff writer - if libtiff: - im_strip_size = encoderinfo.get("strip_size", STRIP_SIZE) - rows_per_strip = 1 if stride == 0 else min(im_strip_size // stride, im.size[1]) - # JPEG encoder expects multiple of 8 rows - if compression == "jpeg": - rows_per_strip = min(((rows_per_strip + 7) // 8) * 8, im.size[1]) - else: - rows_per_strip = im.size[1] - if rows_per_strip == 0: - rows_per_strip = 1 - strip_byte_counts = 1 if stride == 0 else stride * rows_per_strip - strips_per_image = (im.size[1] + rows_per_strip - 1) // rows_per_strip - ifd[ROWSPERSTRIP] = rows_per_strip + w, h = ifd[IMAGEWIDTH], ifd[IMAGELENGTH] + stride = len(bits) * ((w * bits[0] + 7) // 8) + if ROWSPERSTRIP not in ifd: + # aim for given strip size (64 KB by default) when using libtiff writer + if libtiff: + im_strip_size = encoderinfo.get("strip_size", STRIP_SIZE) + rows_per_strip = 1 if stride == 0 else min(im_strip_size // stride, h) + # JPEG encoder expects multiple of 8 rows + if compression == "jpeg": + rows_per_strip = min(((rows_per_strip + 7) // 8) * 8, h) + else: + rows_per_strip = h + if rows_per_strip == 0: + rows_per_strip = 1 + ifd[ROWSPERSTRIP] = rows_per_strip + strip_byte_counts = 1 if stride == 0 else stride * ifd[ROWSPERSTRIP] + strips_per_image = (h + ifd[ROWSPERSTRIP] - 1) // ifd[ROWSPERSTRIP] if strip_byte_counts >= 2**16: ifd.tagtype[STRIPBYTECOUNTS] = TiffTags.LONG ifd[STRIPBYTECOUNTS] = (strip_byte_counts,) * (strips_per_image - 1) + ( - stride * im.size[1] - strip_byte_counts * (strips_per_image - 1), + stride * h - strip_byte_counts * (strips_per_image - 1), ) ifd[STRIPOFFSETS] = tuple( range(0, strip_byte_counts * strips_per_image, strip_byte_counts) @@ -1885,13 +1889,14 @@ class AppendingTiffWriter: 8, # long8 ] - # StripOffsets = 273 - # FreeOffsets = 288 - # TileOffsets = 324 - # JPEGQTables = 519 - # JPEGDCTables = 520 - # JPEGACTables = 521 - Tags = {273, 288, 324, 519, 520, 521} + Tags = { + 273, # StripOffsets + 288, # FreeOffsets + 324, # TileOffsets + 519, # JPEGQTables + 520, # JPEGDCTables + 521, # JPEGACTables + } def __init__(self, fn, new=False): if hasattr(fn, "read"): @@ -1941,8 +1946,6 @@ class AppendingTiffWriter: iimm = self.f.read(4) if not iimm: - # msg = "nothing written into new page" - # raise RuntimeError(msg) # Make it easy to finish a frame without committing to a new one. return |