[Octave-cvsupdate] octave-forge/admin/Windows/msvc/libs libpng-1.2.16.txt, NONE, 1.1

[Michael G. <gof...@us...>]

Update of /cvsroot/octave/octave-forge/admin/Windows/msvc/libs
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv23549

Added Files:
	libpng-1.2.16.txt 
Log Message:
Add compilation instruction for libpng.

--- NEW FILE: libpng-1.2.16.txt ---
Package: libpng
Version: 1.2.16
Home page: http://www.libpng.org/pub/png/libpng.html
Download: http://www.libpng.org/pub/png/libpng.html
License: Free

Compilation: from Visual Studio environment

Requirement: zlib

1) Open projects\visualc71\libpng.sln into Visual Studio

2) Remove zlib from the dependencies of libpng project

3) Edit libpng project settings ("DLL Release" configuration)
	. make it use your compiled zlib (headers and lib)
	. make it generate png.lib as import library

   Note that you can use the "DLL ASM Release" configuration,
   which uses optimized assembler, but then you'll need to add
   several preprocessor definitions:
	. PNG_HAVE_MMX_COMBINE_ROW
	. PNG_HAVE_MMX_READ_INTERLACE
	. PNG_HAVE_MMX_READ_FILTER_ROW

4) Build libpng project

5) Install (copy manually):
	. libpng13.dll into bin directory
	. png.lib into lib directory
	. png.h and pngconf.h into include directory