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-rw-r--r--src/3rdparty/libtiff/libtiff/tif_next.c301
1 files changed, 154 insertions, 147 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_next.c b/src/3rdparty/libtiff/libtiff/tif_next.c
index 695fc5d..f000574 100644
--- a/src/3rdparty/libtiff/libtiff/tif_next.c
+++ b/src/3rdparty/libtiff/libtiff/tif_next.c
@@ -2,23 +2,23 @@
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
- * Permission to use, copy, modify, distribute, and sell this software and
+ * 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.
- *
+ *
+ * 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
+ * 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.
*/
@@ -30,158 +30,165 @@
* NeXT 2-bit Grey Scale Compression Algorithm Support
*/
-#define SETPIXEL(op, v) { \
- switch (npixels++ & 3) { \
- case 0: op[0] = (unsigned char) ((v) << 6); break; \
- case 1: op[0] |= (v) << 4; break; \
- case 2: op[0] |= (v) << 2; break; \
- case 3: *op++ |= (v); op_offset++; break; \
- } \
-}
+#define SETPIXEL(op, v) \
+ { \
+ switch (npixels++ & 3) \
+ { \
+ case 0: \
+ op[0] = (unsigned char)((v) << 6); \
+ break; \
+ case 1: \
+ op[0] |= (v) << 4; \
+ break; \
+ case 2: \
+ op[0] |= (v) << 2; \
+ break; \
+ case 3: \
+ *op++ |= (v); \
+ op_offset++; \
+ break; \
+ } \
+ }
-#define LITERALROW 0x00
-#define LITERALSPAN 0x40
-#define WHITE ((1<<2)-1)
+#define LITERALROW 0x00
+#define LITERALSPAN 0x40
+#define WHITE ((1 << 2) - 1)
-static int
-NeXTDecode(TIFF* tif, uint8_t* buf, tmsize_t occ, uint16_t s)
+static int NeXTDecode(TIFF *tif, uint8_t *buf, tmsize_t occ, uint16_t s)
{
- static const char module[] = "NeXTDecode";
- unsigned char *bp, *op;
- tmsize_t cc;
- uint8_t* row;
- tmsize_t scanline, n;
+ static const char module[] = "NeXTDecode";
+ unsigned char *bp, *op;
+ tmsize_t cc;
+ uint8_t *row;
+ tmsize_t scanline, n;
- (void) s;
- /*
- * Each scanline is assumed to start off as all
- * white (we assume a PhotometricInterpretation
- * of ``min-is-black'').
- */
- for (op = (unsigned char*) buf, cc = occ; cc-- > 0;)
- *op++ = 0xff;
+ (void)s;
+ /*
+ * Each scanline is assumed to start off as all
+ * white (we assume a PhotometricInterpretation
+ * of ``min-is-black'').
+ */
+ for (op = (unsigned char *)buf, cc = occ; cc-- > 0;)
+ *op++ = 0xff;
- bp = (unsigned char *)tif->tif_rawcp;
- cc = tif->tif_rawcc;
- scanline = tif->tif_scanlinesize;
- if (occ % scanline)
- {
- TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be read");
- return (0);
- }
- for (row = buf; cc > 0 && occ > 0; occ -= scanline, row += scanline) {
- n = *bp++;
- cc--;
- switch (n) {
- case LITERALROW:
- /*
- * The entire scanline is given as literal values.
- */
- if (cc < scanline)
- goto bad;
- _TIFFmemcpy(row, bp, scanline);
- bp += scanline;
- cc -= scanline;
- break;
- case LITERALSPAN: {
- tmsize_t off;
- /*
- * The scanline has a literal span that begins at some
- * offset.
- */
- if( cc < 4 )
- goto bad;
- off = (bp[0] * 256) + bp[1];
- n = (bp[2] * 256) + bp[3];
- if (cc < 4+n || off+n > scanline)
- goto bad;
- _TIFFmemcpy(row+off, bp+4, n);
- bp += 4+n;
- cc -= 4+n;
- break;
- }
- default: {
- uint32_t npixels = 0, grey;
- tmsize_t op_offset = 0;
- uint32_t imagewidth = tif->tif_dir.td_imagewidth;
- if( isTiled(tif) )
- imagewidth = tif->tif_dir.td_tilewidth;
+ bp = (unsigned char *)tif->tif_rawcp;
+ cc = tif->tif_rawcc;
+ scanline = tif->tif_scanlinesize;
+ if (occ % scanline)
+ {
+ TIFFErrorExtR(tif, module, "Fractional scanlines cannot be read");
+ return (0);
+ }
+ for (row = buf; cc > 0 && occ > 0; occ -= scanline, row += scanline)
+ {
+ n = *bp++;
+ cc--;
+ switch (n)
+ {
+ case LITERALROW:
+ /*
+ * The entire scanline is given as literal values.
+ */
+ if (cc < scanline)
+ goto bad;
+ _TIFFmemcpy(row, bp, scanline);
+ bp += scanline;
+ cc -= scanline;
+ break;
+ case LITERALSPAN:
+ {
+ tmsize_t off;
+ /*
+ * The scanline has a literal span that begins at some
+ * offset.
+ */
+ if (cc < 4)
+ goto bad;
+ off = (bp[0] * 256) + bp[1];
+ n = (bp[2] * 256) + bp[3];
+ if (cc < 4 + n || off + n > scanline)
+ goto bad;
+ _TIFFmemcpy(row + off, bp + 4, n);
+ bp += 4 + n;
+ cc -= 4 + n;
+ break;
+ }
+ default:
+ {
+ uint32_t npixels = 0, grey;
+ tmsize_t op_offset = 0;
+ uint32_t imagewidth = tif->tif_dir.td_imagewidth;
+ if (isTiled(tif))
+ imagewidth = tif->tif_dir.td_tilewidth;
- /*
- * The scanline is composed of a sequence of constant
- * color ``runs''. We shift into ``run mode'' and
- * interpret bytes as codes of the form
- * <color><npixels> until we've filled the scanline.
- */
- op = row;
- for (;;) {
- grey = (uint32_t)((n >> 6) & 0x3);
- n &= 0x3f;
- /*
- * Ensure the run does not exceed the scanline
- * bounds, potentially resulting in a security
- * issue.
- */
- while (n-- > 0 && npixels < imagewidth && op_offset < scanline)
- SETPIXEL(op, grey);
- if (npixels >= imagewidth)
- break;
- if (op_offset >= scanline ) {
- TIFFErrorExt(tif->tif_clientdata, module, "Invalid data for scanline %"PRIu32,
- tif->tif_row);
- return (0);
+ /*
+ * The scanline is composed of a sequence of constant
+ * color ``runs''. We shift into ``run mode'' and
+ * interpret bytes as codes of the form
+ * <color><npixels> until we've filled the scanline.
+ */
+ op = row;
+ for (;;)
+ {
+ grey = (uint32_t)((n >> 6) & 0x3);
+ n &= 0x3f;
+ /*
+ * Ensure the run does not exceed the scanline
+ * bounds, potentially resulting in a security
+ * issue.
+ */
+ while (n-- > 0 && npixels < imagewidth &&
+ op_offset < scanline)
+ SETPIXEL(op, grey);
+ if (npixels >= imagewidth)
+ break;
+ if (op_offset >= scanline)
+ {
+ TIFFErrorExtR(tif, module,
+ "Invalid data for scanline %" PRIu32,
+ tif->tif_row);
+ return (0);
+ }
+ if (cc == 0)
+ goto bad;
+ n = *bp++;
+ cc--;
}
- if (cc == 0)
- goto bad;
- n = *bp++;
- cc--;
- }
- break;
- }
- }
- }
- tif->tif_rawcp = (uint8_t*) bp;
- tif->tif_rawcc = cc;
- return (1);
+ break;
+ }
+ }
+ }
+ tif->tif_rawcp = (uint8_t *)bp;
+ tif->tif_rawcc = cc;
+ return (1);
bad:
- TIFFErrorExt(tif->tif_clientdata, module, "Not enough data for scanline %"PRIu32,
- tif->tif_row);
- return (0);
+ TIFFErrorExtR(tif, module, "Not enough data for scanline %" PRIu32,
+ tif->tif_row);
+ return (0);
}
-static int
-NeXTPreDecode(TIFF* tif, uint16_t s)
+static int NeXTPreDecode(TIFF *tif, uint16_t s)
{
- static const char module[] = "NeXTPreDecode";
- TIFFDirectory *td = &tif->tif_dir;
- (void)s;
+ static const char module[] = "NeXTPreDecode";
+ TIFFDirectory *td = &tif->tif_dir;
+ (void)s;
- if( td->td_bitspersample != 2 )
- {
- TIFFErrorExt(tif->tif_clientdata, module, "Unsupported BitsPerSample = %"PRIu16,
- td->td_bitspersample);
- return (0);
- }
- return (1);
+ if (td->td_bitspersample != 2)
+ {
+ TIFFErrorExtR(tif, module, "Unsupported BitsPerSample = %" PRIu16,
+ td->td_bitspersample);
+ return (0);
+ }
+ return (1);
}
-
-int
-TIFFInitNeXT(TIFF* tif, int scheme)
+
+int TIFFInitNeXT(TIFF *tif, int scheme)
{
- (void) scheme;
- tif->tif_predecode = NeXTPreDecode;
- tif->tif_decoderow = NeXTDecode;
- tif->tif_decodestrip = NeXTDecode;
- tif->tif_decodetile = NeXTDecode;
- return (1);
+ (void)scheme;
+ tif->tif_predecode = NeXTPreDecode;
+ tif->tif_decoderow = NeXTDecode;
+ tif->tif_decodestrip = NeXTDecode;
+ tif->tif_decodetile = NeXTDecode;
+ return (1);
}
#endif /* NEXT_SUPPORT */
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
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