From f4afa4b6b61a3b335572a0220c2176c5ab83f07c Mon Sep 17 00:00:00 2001
From: Packit <packit>
Date: Sep 17 2020 18:32:16 +0000
Subject: Apply patch libtiff-ycbcr-clamp.patch


patch_name: libtiff-ycbcr-clamp.patch
present_in_specfile: true

---

diff --git a/libtiff/tif_color.c b/libtiff/tif_color.c
index 02eb346..eb49132 100644
--- a/libtiff/tif_color.c
+++ b/libtiff/tif_color.c
@@ -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);
 }
 
 /*