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Diffstat (limited to 'third_party/libtiff/tif_dumpmode.c')
-rw-r--r--third_party/libtiff/tif_dumpmode.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/third_party/libtiff/tif_dumpmode.c b/third_party/libtiff/tif_dumpmode.c
new file mode 100644
index 0000000000..a94cf0b34a
--- /dev/null
+++ b/third_party/libtiff/tif_dumpmode.c
@@ -0,0 +1,143 @@
+/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dumpmode.c,v 1.14 2011-04-02 20:54:09 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"
+
+static int
+DumpFixupTags(TIFF* tif)
+{
+ (void) tif;
+ return (1);
+}
+
+/*
+ * Encode a hunk of pixels.
+ */
+static int
+DumpModeEncode(TIFF* tif, uint8* pp, tmsize_t cc, uint16 s)
+{
+ (void) s;
+ while (cc > 0) {
+ tmsize_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, uint8* buf, tmsize_t cc, uint16 s)
+{
+ static const char module[] = "DumpModeDecode";
+ (void) s;
+ if (tif->tif_rawcc < cc) {
+#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
+ TIFFErrorExt(tif->tif_clientdata, module,
+"Not enough data for scanline %lu, expected a request for at most %I64d bytes, got a request for %I64d bytes",
+ (unsigned long) tif->tif_row,
+ (signed __int64) tif->tif_rawcc,
+ (signed __int64) cc);
+#else
+ TIFFErrorExt(tif->tif_clientdata, module,
+"Not enough data for scanline %lu, expected a request for at most %lld bytes, got a request for %lld bytes",
+ (unsigned long) tif->tif_row,
+ (signed long long) tif->tif_rawcc,
+ (signed long long) cc);
+#endif
+ 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_fixuptags = DumpFixupTags;
+ 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);
+}
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */