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authorLei Zhang <thestig@chromium.org>2016-01-07 15:52:44 -0800
committerLei Zhang <thestig@chromium.org>2016-01-07 15:52:44 -0800
commit9c2c87d1c7443b4eeb3e439af7dc34f695bbd2c8 (patch)
treed40131c4030f331b224abcd0efe707767f58fd75 /third_party/libtiff/tif_extension.c
parent0aec19b09e48097df6096802f70daeb53d348c79 (diff)
downloadpdfium-9c2c87d1c7443b4eeb3e439af7dc34f695bbd2c8.tar.xz
XFA: Upgrade to libtiff 4.0.6.
R=jun_fang@foxitsoftware.com, tsepez@chromium.org Review URL: https://codereview.chromium.org/1563103002 .
Diffstat (limited to 'third_party/libtiff/tif_extension.c')
-rw-r--r--third_party/libtiff/tif_extension.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/third_party/libtiff/tif_extension.c b/third_party/libtiff/tif_extension.c
new file mode 100644
index 0000000000..10afd4162c
--- /dev/null
+++ b/third_party/libtiff/tif_extension.c
@@ -0,0 +1,118 @@
+/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_extension.c,v 1.7 2010-03-10 18:56:48 bfriesen Exp $ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * TIFF Library.
+ *
+ * Various routines support external extension of the tag set, and other
+ * application extension capabilities.
+ */
+
+#include "tiffiop.h"
+
+int TIFFGetTagListCount( TIFF *tif )
+
+{
+ TIFFDirectory* td = &tif->tif_dir;
+
+ return td->td_customValueCount;
+}
+
+uint32 TIFFGetTagListEntry( TIFF *tif, int tag_index )
+
+{
+ TIFFDirectory* td = &tif->tif_dir;
+
+ if( tag_index < 0 || tag_index >= td->td_customValueCount )
+ return (uint32)(-1);
+ else
+ return td->td_customValues[tag_index].info->field_tag;
+}
+
+/*
+** This provides read/write access to the TIFFTagMethods within the TIFF
+** structure to application code without giving access to the private
+** TIFF structure.
+*/
+TIFFTagMethods *TIFFAccessTagMethods( TIFF *tif )
+
+{
+ return &(tif->tif_tagmethods);
+}
+
+void *TIFFGetClientInfo( TIFF *tif, const char *name )
+
+{
+ TIFFClientInfoLink *link = tif->tif_clientinfo;
+
+ while( link != NULL && strcmp(link->name,name) != 0 )
+ link = link->next;
+
+ if( link != NULL )
+ return link->data;
+ else
+ return NULL;
+}
+
+void TIFFSetClientInfo( TIFF *tif, void *data, const char *name )
+
+{
+ TIFFClientInfoLink *link = tif->tif_clientinfo;
+
+ /*
+ ** Do we have an existing link with this name? If so, just
+ ** set it.
+ */
+ while( link != NULL && strcmp(link->name,name) != 0 )
+ link = link->next;
+
+ if( link != NULL )
+ {
+ link->data = data;
+ return;
+ }
+
+ /*
+ ** Create a new link.
+ */
+
+ link = (TIFFClientInfoLink *) _TIFFmalloc(sizeof(TIFFClientInfoLink));
+ assert (link != NULL);
+ link->next = tif->tif_clientinfo;
+ link->name = (char *) _TIFFmalloc((tmsize_t)(strlen(name)+1));
+ assert (link->name != NULL);
+ strcpy(link->name, name);
+ link->data = data;
+
+ tif->tif_clientinfo = link;
+}
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */