[freetype2] GSoC-2017-kushal c638d9a 31/70: Updating README

[Kushal K S V S]

branch: GSoC-2017-kushal
commit c638d9a522e7211898c73c5508422c6e39048993
Author: Kushal K S V S <address@hidden>
Commit: Kushal K S V S <address@hidden>

    Updating README
---
 tests/make_png/README | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/make_png/README b/tests/make_png/README
index ee28296..15dae26 100644
--- a/tests/make_png/README
+++ b/tests/make_png/README
@@ -51,6 +51,16 @@ To generate 32-bit RGBA PNG(s) of all glyphs in a font\n
 To generate sprite sheets in the /images folder and to generate the
 "index.html" (List-View) of the glyphs.
 
+By clicking on the Headers of the respective columns,they can be
+arranged (in increasing/decreasing order) based on
+->  Glyph-Index
+->  Name
+->  Difference Metric (right now it is the number of pixels that are
+    different between the base and the test glyph)
+
+It displays the whole sprite sheet right now (will be used later)
+Hashes will be dsplayed (To be implemented)
+
 First compile and install two versions of the FreeType libray 
 in different folders (with SUBPIXEL_RENDERING enabled in ftoption.h)