diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_getimage.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_getimage.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_getimage.c b/src/3rdparty/libtiff/libtiff/tif_getimage.c index c51c889..fc554cc 100644 --- a/src/3rdparty/libtiff/libtiff/tif_getimage.c +++ b/src/3rdparty/libtiff/libtiff/tif_getimage.c @@ -1,4 +1,4 @@ -/* $Id: tif_getimage.c,v 1.112 2017-07-24 10:34:14 erouault Exp $ */ +/* $Id: tif_getimage.c,v 1.114 2017-11-17 20:21:00 erouault Exp $ */ /* * Copyright (c) 1991-1997 Sam Leffler @@ -138,7 +138,7 @@ TIFFRGBAImageOK(TIFF* tif, char emsg[1024]) /* * TODO: if at all meaningful and useful, make more complete * support check here, or better still, refactor to let supporting - * code decide whether there is support and what meaningfull + * code decide whether there is support and what meaningful * error to return */ break; @@ -416,7 +416,7 @@ TIFFRGBAImageBegin(TIFFRGBAImage* img, TIFF* tif, int stop, char emsg[1024]) /* * TODO: if at all meaningful and useful, make more complete * support check here, or better still, refactor to let supporting - * code decide whether there is support and what meaningfull + * code decide whether there is support and what meaningful * error to return */ break; @@ -2332,6 +2332,13 @@ initCIELabConversion(TIFFRGBAImage* img) float *whitePoint; float refWhite[3]; + TIFFGetFieldDefaulted(img->tif, TIFFTAG_WHITEPOINT, &whitePoint); + if (whitePoint[1] == 0.0f ) { + TIFFErrorExt(img->tif->tif_clientdata, module, + "Invalid value for WhitePoint tag."); + return NULL; + } + if (!img->cielab) { img->cielab = (TIFFCIELabToRGB *) _TIFFmalloc(sizeof(TIFFCIELabToRGB)); @@ -2342,7 +2349,6 @@ initCIELabConversion(TIFFRGBAImage* img) } } - TIFFGetFieldDefaulted(img->tif, TIFFTAG_WHITEPOINT, &whitePoint); refWhite[1] = 100.0F; refWhite[0] = whitePoint[0] / whitePoint[1] * refWhite[1]; refWhite[2] = (1.0F - whitePoint[0] - whitePoint[1]) |