app: move gimp_babl_format_get_base_type() to gimp-babl.[ch]

The GimpImageBaseType enum is going to go away, but a format -> enum
API is going to stay around.

app/core/gimpdrawable.c

@@ -28,6 +28,7 @@
 
 #include "base/pixel-region.h"
 
+#include "gegl/gimp-babl.h"
 #include "gegl/gimp-gegl-nodes.h"
 #include "gegl/gimp-gegl-utils.h"
 

app/core/gimpimage-new.c

@@ -26,7 +26,7 @@
 
 #include "config/gimpcoreconfig.h"
 
-#include "gegl/gimp-gegl-utils.h"
+#include "gegl/gimp-babl.h"
 
 #include "gimp.h"
 #include "gimpbuffer.h"

app/gegl/gimp-babl.c

@@ -122,3 +122,27 @@ gimp_babl_get_description (const Babl *babl)
   return g_strconcat ("ERROR: unknown Babl format ",
                       babl_get_name (babl), NULL);
 }
+
+GimpImageBaseType
+gimp_babl_format_get_base_type (const Babl *format)
+{
+  g_return_val_if_fail (format != NULL, -1);
+
+  if (format == babl_format ("Y u8")  ||
+      format == babl_format ("Y' u8") ||
+      format == babl_format ("Y'A u8"))
+    {
+      return GIMP_GRAY;
+    }
+  else if (format == babl_format ("R'G'B' u8") ||
+           format == babl_format ("R'G'B'A u8"))
+    {
+      return GIMP_RGB;
+    }
+  else if (babl_format_is_palette (format))
+    {
+      return GIMP_INDEXED;
+    }
+
+  g_return_val_if_reached (-1);
+}

app/gegl/gimp-babl.h

@@ -22,9 +22,11 @@
 #define __GIMP_BABL_H__
 
 
-void          gimp_babl_init            (void);
+void                gimp_babl_init                  (void);
 
-const gchar * gimp_babl_get_description (const Babl *babl);
+const gchar       * gimp_babl_get_description       (const Babl *babl);
+
+GimpImageBaseType   gimp_babl_format_get_base_type  (const Babl *format);
 
 
 #endif /* __GIMP_BABL_H__ */

app/gegl/gimp-gegl-utils.c

@@ -57,30 +57,6 @@ gimp_babl_format_get_image_type (const Babl *format)
   g_return_val_if_reached (-1);
 }
 
-GimpImageBaseType
-gimp_babl_format_get_base_type (const Babl *format)
-{
-  g_return_val_if_fail (format != NULL, -1);
-
-  if (format == babl_format ("Y u8")  ||
-      format == babl_format ("Y' u8") ||
-      format == babl_format ("Y'A u8"))
-    {
-      return GIMP_GRAY;
-    }
-  else if (format == babl_format ("R'G'B' u8") ||
-           format == babl_format ("R'G'B'A u8"))
-    {
-      return GIMP_RGB;
-    }
-  else if (babl_format_is_palette (format))
-    {
-      return GIMP_INDEXED;
-    }
-
-  g_return_val_if_reached (-1);
-}
-
 /**
  * gimp_bpp_to_babl_format:
  * @bpp: bytes per pixel

app/gegl/gimp-gegl-utils.h

@@ -25,8 +25,7 @@
 #include <gdk-pixbuf/gdk-pixbuf.h> /* temp hack */
 
 
-GimpImageType     gimp_babl_format_get_image_type (const Babl           *format);
-GimpImageBaseType gimp_babl_format_get_base_type  (const Babl           *format);
+GimpImageType    gimp_babl_format_get_image_type (const Babl            *format);
 
 const Babl  * gimp_bpp_to_babl_format            (guint                  bpp) G_GNUC_CONST;
 const Babl  * gimp_bpp_to_babl_format_with_alpha (guint                  bpp) G_GNUC_CONST;