diff options
Diffstat (limited to 'tiff/libtiff/tif_thunder.c')
| -rw-r--r-- | tiff/libtiff/tif_thunder.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/tiff/libtiff/tif_thunder.c b/tiff/libtiff/tif_thunder.c index 183199de..db6383a8 100644 --- a/tiff/libtiff/tif_thunder.c +++ b/tiff/libtiff/tif_thunder.c @@ -1,5 +1,3 @@ -/* $Id: tif_thunder.c,v 1.13 2016-09-04 21:32:56 erouault Exp $ */ - /* * Copyright (c) 1988-1997 Sam Leffler * Copyright (c) 1991-1997 Silicon Graphics, Inc. @@ -124,17 +122,17 @@ ThunderDecode(TIFF* tif, uint8* op, tmsize_t maxpixels) break; case THUNDER_2BITDELTAS: /* 2-bit deltas */ if ((delta = ((n >> 4) & 3)) != DELTA2_SKIP) - SETPIXEL(op, lastpixel + twobitdeltas[delta]); + SETPIXEL(op, (unsigned)((int)lastpixel + twobitdeltas[delta])); if ((delta = ((n >> 2) & 3)) != DELTA2_SKIP) - SETPIXEL(op, lastpixel + twobitdeltas[delta]); + SETPIXEL(op, (unsigned)((int)lastpixel + twobitdeltas[delta])); if ((delta = (n & 3)) != DELTA2_SKIP) - SETPIXEL(op, lastpixel + twobitdeltas[delta]); + SETPIXEL(op, (unsigned)((int)lastpixel + twobitdeltas[delta])); break; case THUNDER_3BITDELTAS: /* 3-bit deltas */ if ((delta = ((n >> 3) & 7)) != DELTA3_SKIP) - SETPIXEL(op, lastpixel + threebitdeltas[delta]); + SETPIXEL(op, (unsigned)((int)lastpixel + threebitdeltas[delta])); if ((delta = (n & 7)) != DELTA3_SKIP) - SETPIXEL(op, lastpixel + threebitdeltas[delta]); + SETPIXEL(op, (unsigned)((int)lastpixel + threebitdeltas[delta])); break; case THUNDER_RAW: /* raw data */ SETPIXEL(op, n); |