51 lines
1.8 KiB
Diff
51 lines
1.8 KiB
Diff
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From 42a62648e727e9a0217280474546de3ac69cbff1 Mon Sep 17 00:00:00 2001
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From: Mitchell Blank Jr <mitch@bodyfour.com>
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Date: Thu, 10 Dec 2020 01:26:00 +0000
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Subject: [PATCH] Compile against newer versions of Jasper
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jasper changed the callback API (twice!) This is the workaround that
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gdal used to deal with the problem (reference in the code comment)
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fixes #90
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---
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DevIL/src-IL/src/il_jp2.cpp | 19 +++++++++++++++++++
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1 file changed, 19 insertions(+)
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diff --git a/DevIL/src-IL/src/il_jp2.cpp b/DevIL/src-IL/src/il_jp2.cpp
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index 730afee8..89075a52 100644
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--- a/DevIL/src-IL/src/il_jp2.cpp
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+++ b/DevIL/src-IL/src/il_jp2.cpp
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@@ -314,13 +314,32 @@ ILboolean iLoadJp2Internal(jas_stream_t *Stream, ILimage *Image)
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+// Hack to compile against different versions of Jasper which expect
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+// slightly different function types for their callbacks. The defined()
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+// checks are just looking for sybols that happen to have arrived around
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+// the same time as the API change, so no reason they won't break in the
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+// future :-( Hopefully by the time it does nobody will care about pre-2.0.20
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+// versions of jasper
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+//
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+// see: https://github.com/OSGeo/gdal/commit/9ef8e16e27c5fc4c491debe50bf2b7f3e94ed334
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+// https://github.com/DentonW/DevIL/issues/90
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+#if defined(PRIjas_seqent)
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+static int iJp2_file_read(jas_stream_obj_t *obj, char *buf, unsigned cnt)
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+#else
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static int iJp2_file_read(jas_stream_obj_t *obj, char *buf, int cnt)
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+#endif
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{
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obj;
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return iread(buf, 1, cnt);
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}
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+#if defined(JAS_INCLUDE_JP2_CODEC)
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+static int iJp2_file_write(jas_stream_obj_t *obj, const char *buf, unsigned cnt)
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+#elif defined(PRIjas_seqent)
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+static int iJp2_file_write(jas_stream_obj_t *obj, char *buf, unsigned cnt)
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+#else
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static int iJp2_file_write(jas_stream_obj_t *obj, char *buf, int cnt)
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+#endif
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{
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obj;
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return iwrite(buf, 1, cnt);
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