[gegl] vignette: increase parameter limits

[Ell <ell src gnome org>]

commit 3256c6318befcbb6fac2d5ce74c1cc933b522937
Author: Ell <ell_se yahoo com>
Date:   Thu May 14 21:34:36 2020 +0300

    vignette: increase parameter limits
    
    Don't use hard limits for the radius and gamma props (but keep the
    existing UI limits).  Arbitrary values are more likely when
    controlling the op through an on-canvas controller.

 operations/common/vignette.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/operations/common/vignette.c b/operations/common/vignette.c
index 71d120917..b2d9436f2 100644
--- a/operations/common/vignette.c
+++ b/operations/common/vignette.c
@@ -39,7 +39,8 @@ property_color (color, _("Color"), "black")
 
 property_double (radius, _("Radius"), 1.2)
     description (_("How far out vignetting goes as portion of half image diagonal"))
-    value_range (0.0, 3.0)
+    value_range (0.0, G_MAXDOUBLE)
+    ui_range    (0.0, 3.0)
     ui_meta     ("unit", "relative-distance")
 
 property_double (softness, _("Softness"), 0.8)
@@ -47,7 +48,8 @@ property_double (softness, _("Softness"), 0.8)
 
 property_double (gamma, _("Gamma"), 2.0)
     description (_("Falloff linearity"))
-    value_range (0.0, 10.0)
+    value_range (0.0, G_MAXDOUBLE)
+    ui_range    (0.0, 10.0)
 
 property_double (proportion, _("Proportion"), 1.0)
     description(_("How close we are to image proportions"))