[gegl] color-to-alpha: default to white

[Ãyvind KolÃs <ok src gnome org>]

commit 7cba423640ecc3254118c35f8b2f810274bbb2d5
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Tue May 1 04:04:35 2012 +0200

    color-to-alpha: default to white

 operations/common/color-to-alpha.c |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)
---
diff --git a/operations/common/color-to-alpha.c b/operations/common/color-to-alpha.c
index 0785c52..f55fddb 100644
--- a/operations/common/color-to-alpha.c
+++ b/operations/common/color-to-alpha.c
@@ -25,8 +25,8 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_color (color, _("Color"), "black",
-                  _("The color to render (defaults to 'black')"))
+gegl_chant_color (color, _("Color"), "white",
+                  _("The color to render (defaults to 'white')"))
 
 #else
 
@@ -40,9 +40,9 @@ gegl_chant_color (color, _("Color"), "black",
 static void prepare (GeglOperation *operation)
 {
   gegl_operation_set_format (operation, "input",
-                             babl_format ("R'G'B'A float"));
+                             babl_format ("R'G'B'A double"));
   gegl_operation_set_format (operation, "output",
-                             babl_format ("R'G'B'A float"));
+                             babl_format ("R'G'B'A double"));
 }
 
 /*
@@ -79,12 +79,12 @@ static void prepare (GeglOperation *operation)
 */
 
 static void
-color_to_alpha (const gfloat *color,
-                const gfloat *src,
-                gfloat       *dst)
+color_to_alpha (const gdouble *color,
+                const gdouble *src,
+                gdouble       *dst)
 {
   gint i;
-  gfloat alpha[4];
+  gdouble alpha[4];
 
   for (i=0; i<4; i++)
     dst[i] = src[i];
@@ -139,12 +139,12 @@ process (GeglOperation       *operation,
          gint                 level)
 {
   GeglChantO *o      = GEGL_CHANT_PROPERTIES (operation);
-  const Babl *format = babl_format ("R'G'B'A float");
-  gfloat      color[4];
+  const Babl *format = babl_format ("R'G'B'A double");
+  gdouble      color[4];
   gint        x;
 
-  gfloat *in_buff = in_buf;
-  gfloat *out_buff = out_buf;
+  gdouble *in_buff = in_buf;
+  gdouble *out_buff = out_buf;
 
   gegl_color_get_pixel (o->color, format, color);