diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_color.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_color.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_color.c b/src/3rdparty/libtiff/libtiff/tif_color.c index 0f484aa7cc..be4850ce6b 100644 --- a/src/3rdparty/libtiff/libtiff/tif_color.c +++ b/src/3rdparty/libtiff/libtiff/tif_color.c @@ -1,4 +1,4 @@ -/* $Id: tif_color.c,v 1.12 2006/02/09 15:42:20 dron Exp $ */ +/* $Id: tif_color.c,v 1.19 2010-12-14 02:22:42 faxguy Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler @@ -123,7 +123,7 @@ TIFFXYZToRGB(TIFFCIELabToRGB *cielab, float X, float Y, float Z, */ int TIFFCIELabToRGBInit(TIFFCIELabToRGB* cielab, - TIFFDisplay *display, float *refWhite) + const TIFFDisplay *display, float *refWhite) { int i; double gamma; @@ -183,13 +183,18 @@ void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *ycbcr, uint32 Y, int32 Cb, int32 Cr, uint32 *r, uint32 *g, uint32 *b) { + int32 i; + /* XXX: Only 8-bit YCbCr input supported for now */ Y = HICLAMP(Y, 255), Cb = CLAMP(Cb, 0, 255), Cr = CLAMP(Cr, 0, 255); - *r = ycbcr->clamptab[ycbcr->Y_tab[Y] + ycbcr->Cr_r_tab[Cr]]; - *g = ycbcr->clamptab[ycbcr->Y_tab[Y] - + (int)((ycbcr->Cb_g_tab[Cb] + ycbcr->Cr_g_tab[Cr]) >> SHIFT)]; - *b = ycbcr->clamptab[ycbcr->Y_tab[Y] + ycbcr->Cb_b_tab[Cb]]; + i = ycbcr->Y_tab[Y] + ycbcr->Cr_r_tab[Cr]; + *r = CLAMP(i, 0, 255); + i = ycbcr->Y_tab[Y] + + (int)((ycbcr->Cb_g_tab[Cb] + ycbcr->Cr_g_tab[Cr]) >> SHIFT); + *g = CLAMP(i, 0, 255); + i = ycbcr->Y_tab[Y] + ycbcr->Cb_b_tab[Cb]; + *b = CLAMP(i, 0, 255); } /* @@ -219,7 +224,7 @@ TIFFYCbCrToRGBInit(TIFFYCbCrToRGB* ycbcr, float *luma, float *refBlackWhite) #define LumaBlue luma[2] clamptab = (TIFFRGBValue*)( - (tidata_t) ycbcr+TIFFroundup(sizeof (TIFFYCbCrToRGB), sizeof (long))); + (uint8*) ycbcr+TIFFroundup_32(sizeof (TIFFYCbCrToRGB), sizeof (long))); _TIFFmemset(clamptab, 0, 256); /* v < 0 => 0 */ ycbcr->clamptab = (clamptab += 256); for (i = 0; i < 256; i++) @@ -273,3 +278,10 @@ TIFFYCbCrToRGBInit(TIFFYCbCrToRGB* ycbcr, float *luma, float *refBlackWhite) #undef FIX /* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |