[hackers] [blind] Fix blind-primary-key || Mattias Andrée

[git]

commit 44183c3da6987386829d8e9e2a50b8a62508d503
Author:     Mattias Andrée <maand...@kth.se>
AuthorDate: Sun Jul 23 21:36:58 2017 +0200
Commit:     Mattias Andrée <maand...@kth.se>
CommitDate: Sun Jul 23 21:36:58 2017 +0200

    Fix blind-primary-key
    
    Signed-off-by: Mattias Andrée <maand...@kth.se>

diff --git a/TODO b/TODO
index 6e37c53..ec222b4 100644
--- a/TODO
+++ b/TODO
@@ -1,12 +1,3 @@
-This command should not noticeably change the image:
-
-       RGB="$(./blind-colour-srgb -ld1 1 0 0) $(./blind-colour-srgb -ld1 0 1 
0) $(./blind-colour-srgb -ld1 0 0 1)"
-       ./blind-from-image < in.png | ./blind-affine-colour -al 
<(./blind-colour-matrix $RGB) | \
-               ./blind-affine-colour -al <(./blind-colour-matrix $RGB | 
./blind-invert-matrix -ae) | \
-               ./blind-to-image | convert - out.png
-
-
-
 blind-transform                affine transformation by matrix multiplication, 
-[xy] for tiling, -s for
                                improve quality on downscaling (pixels' 
neighbours must not change)
 blind-apply-map                remap pixels (distortion) using the X and Y 
values, -[xy] for tiling, -s for
diff --git a/blind-primary-key b/blind-primary-key
index d298af5..f1288af 100755
--- a/blind-primary-key
+++ b/blind-primary-key
@@ -72,12 +72,14 @@ else
                blind-affine-colour -al \
                        <(blind-colour-matrix -F "$pixfmt" $zflag -- "$@" | \
                                blind-tee \
-                                       >(blind-invert-matrix -ae | 
\blind-to-named -a blind-${pid}-invmat) | \
+                                       >(blind-invert-matrix -e | 
\blind-to-named -a blind-${pid}-invmat) | \
                                        blind-repeat inf -)
        }
        unconvert () {
                blind-affine-colour -al \
-                       <(blind-from-named -a blind-${pid}-invmat blind-repeat 
inf -)
+                       <(blind-from-named -a blind-${pid}-invmat \
+                               ./blind-arithm -xyz max <(./blind-single-colour 
-w 3 -h 3 1) | \
+                               blind-repeat inf -)
        }
 fi