Update bundled libpng from version 1.5.10 to 1.6.16.

libpng 1.6.16 is the current stable version, 1.6.17 is in development (rc..).


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10625 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser
2015-03-16 16:47:32 +00:00
parent ed339a8b35
commit 992192dd02
33 changed files with 18608 additions and 9734 deletions
+2
View File
@@ -6,10 +6,12 @@ Better C++ wrapper/full C++ implementation?
Fix problem with C++ and EXTERN "C".
cHRM transformation.
Remove setjmp/longjmp usage in favor of returning error codes.
Palette creation.
Add "grayscale->palette" transformation and "palette->grayscale" detection.
Improved dithering.
Multi-lingual error and warning message support.
Complete sRGB transformation (presently it simply uses gamma=0.45455).
Make profile checking optional via a png_set_something() call.
Man pages for function calls.
Better documentation.
Better filter selection