farbfeld

commit 7b03f52a130a12355d87bc05f028db31963112cc
parent dd22f4087d5e7420929575d1bbaf767d76395e9c
Author: FRIGN <dev@frign.de>
Date:   Sun, 31 Jan 2016 00:08:17 +0100

Move alpha-premultiplication information away from the FORMAT

and rather define it in the manual.
In the end, it doesn't influence the data structure and thus is not
part of the FORMAT-specification.

Diffstat:
M
FORMAT
 | 
23
+++++++++++------------
M
farbfeld.5
 | 
6
+++---

2 files changed, 14 insertions(+), 15 deletions(-)
diff --git a/FORMAT b/FORMAT
@@ -1,15 +1,14 @@
 
   FARBFELD IMAGE FORMAT SPECIFICATION
 
-  +--------+----------------------------------------------+
-  | Bytes  | Description                                  |
-  +--------+----------------------------------------------+
-  | 8      | "farbfeld" magic value                       |
-  +--------+----------------------------------------------+
-  | 4      | 32-Bit BE unsigned integer (width)           |
-  +--------+----------------------------------------------+
-  | 4      | 32-Bit BE unsigned integer (height)          |
-  +--------+----------------------------------------------+
-  | [2222] | 4*16-Bit BE unsigned integers [RGBA] / pixel |
-  |        | pixels in rows, not alpha-premultiplied      |
-  +--------+----------------------------------------------+
+  +--------+-----------------------------------------------------------+
+  | Bytes  | Description                                               |
+  +--------+-----------------------------------------------------------+
+  | 8      | "farbfeld" magic value                                    |
+  +--------+-----------------------------------------------------------+
+  | 4      | 32-Bit BE unsigned integer (width)                        |
+  +--------+-----------------------------------------------------------+
+  | 4      | 32-Bit BE unsigned integer (height)                       |
+  +--------+-----------------------------------------------------------+
+  | [2222] | 4*16-Bit BE unsigned integers [RGBA] / pixel, row-aligned |
+  +--------+-----------------------------------------------------------+
diff --git a/farbfeld.5 b/farbfeld.5
@@ -15,10 +15,10 @@ BYTES    DESCRIPTION
 8        "farbfeld" magic value
 4        32-Bit BE unsigned integer (width)
 4        32-Bit BE unsigned integer (height)
-[2222]   4*16-Bit BE unsigned integers [RGBA] / pixel
-         pixels in rows, not alpha-premultiplied
+[2222]   4*16-Bit BE unsigned integers [RGBA] / pixel, row-aligned
 .Ed
-The RGB-data should be in sRGB.
+The RGB-data should be sRGB for best interoperability and not
+alpha-premultiplied.
 .Sh USAGE
 .Nm
 provides