forked from pool/python-Pillow
2fcadec505
- Add patch tiff-readcount.patch to fix build with the new tiff OBS-URL: https://build.opensuse.org/request/show/980378 OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-Pillow?expand=0&rev=129
45 lines
1.5 KiB
Diff
45 lines
1.5 KiB
Diff
From 40a918d274182b7d7c063d7797fb77d967982c4a Mon Sep 17 00:00:00 2001
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From: Andrew Murray <radarhere@users.noreply.github.com>
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Date: Sat, 28 May 2022 20:14:05 +1000
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Subject: [PATCH] Set readcount to TIFF_VARIABLE for a variable number of
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values
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---
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src/libImaging/TiffDecode.c | 14 +++-----------
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1 file changed, 3 insertions(+), 11 deletions(-)
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diff --git a/src/libImaging/TiffDecode.c b/src/libImaging/TiffDecode.c
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index f818f19d50..3bb444c804 100644
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--- a/src/libImaging/TiffDecode.c
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+++ b/src/libImaging/TiffDecode.c
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@@ -815,11 +815,11 @@ ImagingLibTiffMergeFieldInfo(
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// custom fields added with ImagingLibTiffMergeFieldInfo are only used for
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// decoding, ignore readcount;
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- int readcount = 1;
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+ int readcount = is_var_length ? TIFF_VARIABLE : 1;
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// we support writing a single value, or a variable number of values
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- int writecount = 1;
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+ int writecount = is_var_length ? TIFF_VARIABLE : 1;
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// whether the first value should encode the number of values.
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- int passcount = 0;
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+ int passcount = (is_var_length && field_type != TIFF_ASCII) ? 1 : 0;
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TIFFFieldInfo info[] = {
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{key,
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@@ -831,14 +831,6 @@ ImagingLibTiffMergeFieldInfo(
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passcount,
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"CustomField"}};
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- if (is_var_length) {
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- info[0].field_writecount = -1;
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- }
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-
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- if (is_var_length && field_type != TIFF_ASCII) {
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- info[0].field_passcount = 1;
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- }
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-
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n = sizeof(info) / sizeof(info[0]);
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// Test for libtiff 4.0 or later, excluding libtiff 3.9.6 and 3.9.7
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