examples: Add a few example prints from NIST

These prints are from NIST and are not copyrighted. PNG files are provided where the print is stored in the alpha channel (for consumption by test scripts).
2019-06-10 16:55:57 +02:00 · 2019-06-10 16:55:57 +02:00 · cd308ee34f
parent 971a2a0ef1
commit cd308ee34f
9 changed files with 3 additions and 0 deletions
--- a/examples/prints/README
+++ b/examples/prints/README
@ -0,0 +1,3 @@
+These are example images from NIST and are not copyrighted.
+
+The PNG files have been generated by using the greyscale data as a mask.
--- a/examples/prints/arch.jpg
+++ b/examples/prints/arch.jpg
--- a/examples/prints/arch.png
+++ b/examples/prints/arch.png
--- a/examples/prints/loop-right.jpg
+++ b/examples/prints/loop-right.jpg
--- a/examples/prints/loop-right.png
+++ b/examples/prints/loop-right.png
--- a/examples/prints/tented_arch.jpg
+++ b/examples/prints/tented_arch.jpg
--- a/examples/prints/tented_arch.png
+++ b/examples/prints/tented_arch.png
--- a/examples/prints/whorl.jpg
+++ b/examples/prints/whorl.jpg
--- a/examples/prints/whorl.png
+++ b/examples/prints/whorl.png