* contrib/hbwin/Makefile
* contrib/hbwin/hbwin.hbc
* contrib/hbwin/win_bmp.c
* contrib/hbwin/win_tprn.prg
+ WIN_BITMAPDIMENSIONS(): Added PNG support.
(in fact the internal function can also be used to validate
.png files)
Please review/test.
+ Added libpng dependency for hbwin lib. libpng requires
zlib, so that's also added, but it's required by core
already anyway.
Please test cross-platform scenarios.
* WIN_BITMAPISSUPPORTED(): Now simply returns numeric
results, where zero is success. Same done to low level
function.
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