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-rw-r--r--src/3rdparty/libtiff/libtiff/tif_dumpmode.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_dumpmode.c b/src/3rdparty/libtiff/libtiff/tif_dumpmode.c
new file mode 100644
index 0000000000..767d6d9263
--- /dev/null
+++ b/src/3rdparty/libtiff/libtiff/tif_dumpmode.c
@@ -0,0 +1,119 @@
+/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dumpmode.c,v 1.5.2.1 2009-01-01 00:10:43 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.
+ *
+ * "Null" Compression Algorithm Support.
+ */
+#include "tiffiop.h"
+
+/*
+ * Encode a hunk of pixels.
+ */
+static int
+DumpModeEncode(TIFF* tif, tidata_t pp, tsize_t cc, tsample_t s)
+{
+ (void) s;
+ while (cc > 0) {
+ tsize_t n;
+
+ n = cc;
+ if (tif->tif_rawcc + n > tif->tif_rawdatasize)
+ n = tif->tif_rawdatasize - tif->tif_rawcc;
+
+ assert( n > 0 );
+
+ /*
+ * Avoid copy if client has setup raw
+ * data buffer to avoid extra copy.
+ */
+ if (tif->tif_rawcp != pp)
+ _TIFFmemcpy(tif->tif_rawcp, pp, n);
+ tif->tif_rawcp += n;
+ tif->tif_rawcc += n;
+ pp += n;
+ cc -= n;
+ if (tif->tif_rawcc >= tif->tif_rawdatasize &&
+ !TIFFFlushData1(tif))
+ return (-1);
+ }
+ return (1);
+}
+
+/*
+ * Decode a hunk of pixels.
+ */
+static int
+DumpModeDecode(TIFF* tif, tidata_t buf, tsize_t cc, tsample_t s)
+{
+ (void) s;
+/* fprintf(stderr,"DumpModeDecode: scanline %ld, expected %ld bytes, got %ld bytes\n", */
+/* (long) tif->tif_row, (long) tif->tif_rawcc, (long) cc); */
+ if (tif->tif_rawcc < cc) {
+ TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
+ "DumpModeDecode: Not enough data for scanline %d",
+ tif->tif_row);
+ return (0);
+ }
+ /*
+ * Avoid copy if client has setup raw
+ * data buffer to avoid extra copy.
+ */
+ if (tif->tif_rawcp != buf)
+ _TIFFmemcpy(buf, tif->tif_rawcp, cc);
+ tif->tif_rawcp += cc;
+ tif->tif_rawcc -= cc;
+ return (1);
+}
+
+/*
+ * Seek forwards nrows in the current strip.
+ */
+static int
+DumpModeSeek(TIFF* tif, uint32 nrows)
+{
+ tif->tif_rawcp += nrows * tif->tif_scanlinesize;
+ tif->tif_rawcc -= nrows * tif->tif_scanlinesize;
+ return (1);
+}
+
+/*
+ * Initialize dump mode.
+ */
+int
+TIFFInitDumpMode(TIFF* tif, int scheme)
+{
+ (void) scheme;
+ tif->tif_decoderow = DumpModeDecode;
+ tif->tif_decodestrip = DumpModeDecode;
+ tif->tif_decodetile = DumpModeDecode;
+ tif->tif_encoderow = DumpModeEncode;
+ tif->tif_encodestrip = DumpModeEncode;
+ tif->tif_encodetile = DumpModeEncode;
+ tif->tif_seek = DumpModeSeek;
+ return (1);
+}