trying for hsva set

diff --git a/lib/inkpot/inkpot_xlate.c b/lib/inkpot/inkpot_xlate.c
index d5aa5eb65e553c9af5b6a28cee99e002a7746b7d..b4bd481da82afc8de5fe6f147db1be35318f6bb5 100644 (file)
--- a/lib/inkpot/inkpot_xlate.c
+++ b/lib/inkpot/inkpot_xlate.c
@@ -22,9 +22,13 @@ void hsva2rgba(double hsva[4], double rgba[4])
     double f, p, q, t, h, s, v;
 
     rgba[3] = hsva[3]; /* copy alpha */
-    h = hsva[0];
-    s = hsva[1];
-    v = hsva[2];
+
+    h = (hsva[0] < 0.0) ? 0.0 : hsva[0];
+    h = (h > 1.0) ? 1.0 : h;
+    s = (hsva[1] < 0.0) ? 0.0 : hsva[1];
+    s = (s > 1.0) ? 1.0 : s;
+    v = (hsva[2] < 0.0) ? 0.0 : hsva[2];
+    v = (v > 1.0) ? 1.0 : v;
 
     if (s <= 0.0) {            /* achromatic */
        rgba[0] = v;