[babl] babl.h: reorder and space out BABL_MODEL_FLAG bitmask

[Øyvind "pippin" Kolås <ok src gnome org>]

commit d2882e1f3686e99109246b19d8dd0ef65c1ebe62
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Feb 1 16:11:08 2019 +0100

    babl.h: reorder and space out BABL_MODEL_FLAG bitmask
    
    This adds a couple spacer slots for additions that might come, like
    like coats an ink/paint simulator and spectral bands.

 babl/babl.h | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)
---
diff --git a/babl/babl.h b/babl/babl.h
index 2cb1a46..3b2fa68 100644
--- a/babl/babl.h
+++ b/babl/babl.h
@@ -288,18 +288,21 @@ const Babl * babl_format_get_model             (const Babl *format);
 
 enum _BablModelFlag
 {
-  BABL_MODEL_FLAG_OTHER         = 0,
   BABL_MODEL_FLAG_ALPHA         = 1<<1,
   BABL_MODEL_FLAG_PREMULTIPLIED = 1<<2,
-  BABL_MODEL_FLAG_CIE           = 1<<3,
-  BABL_MODEL_FLAG_GRAY          = 1<<4,
-  BABL_MODEL_FLAG_RGB           = 1<<5,
-  BABL_MODEL_FLAG_CMYK          = 1<<6,
-  BABL_MODEL_FLAG_INVERTED      = 1<<7,
-
-  BABL_MODEL_FLAG_LINEAR        = 1<<8,
-  BABL_MODEL_FLAG_NONLINEAR     = 1<<9,
-  BABL_MODEL_FLAG_PERCEPTUAL    = 1<<10,
+  BABL_MODEL_FLAG_INVERTED      = 1<<3,
+  /* BABL_MODEL_FLAG_ALPHA_ENCODED = 1<<4, NYI */
+
+  BABL_MODEL_FLAG_LINEAR        = 1<<10,
+  BABL_MODEL_FLAG_NONLINEAR     = 1<<11,
+  BABL_MODEL_FLAG_PERCEPTUAL    = 1<<12,
+
+  BABL_MODEL_FLAG_GRAY          = 1<<20,
+  BABL_MODEL_FLAG_RGB           = 1<<21,
+  /* BABL_MODEL_FLAG_SPECTRAL   = 1<<22, NYI */
+  BABL_MODEL_FLAG_CIE           = 1<<23,
+  BABL_MODEL_FLAG_CMYK          = 1<<24,
+  /* BABL_MODEL_FLAG_LUZ        = 1<<25, NYI */
 };
 
 typedef enum _BablModelFlag BablModelFlag;