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-
-VisualStudio instructions
-
-libpng version 1.6.2 - April 25, 2013
-
-Copyright (c) 1998-2010 Glenn Randers-Pehrson
-
-This code is released under the libpng license.
-For conditions of distribution and use, see the disclaimer
-and license in png.h
-
-This directory contains support for building libpng under MicroSoft
-VisualStudio 2010. It may also work under later versions of VisualStudio.
-You should be familiar with VisualStudio before using this directory.
-
-Initial preparations
-====================
-You must enter some information in zlib.props before attempting to build
-with this 'solution'. Please read and edit zlib.props first. You will
-probably not be familiar with the contents of zlib.props - do not worry,
-it is mostly harmless.
-
-This is all you need to do to build the 'release' and 'release library'
-configurations.
-
-Debugging
-=========
-The release configurations default to /Ox optimization. Full debugging
-information is produced (in the .pdb), but if you encounter a problem the
-optimization may make it difficult to debug. Simply rebuild with a lower
-optimization level (e.g. /Od.)
-
-Linking your application
-========================
-Normally you should link against the 'release' configuration. This builds a
-DLL for libpng with the default runtime options used by Visual Studio 2010.
-In particular the runtime library is the "MultiThreaded DLL" version.
-If you use Visual Studio defaults to build your application you will have no
-problems.
-
-If you don't use the Visual Studio defaults your application must still be built
-with the default runtime option (/MD). If, for some reason, it is not then your
-application will crash inside libpng16.dll as soon as libpng tries to read
-from a file handle you pass in.
-
-If you do not want to use the DLL, for example for a very small application,
-the 'release library' configuration may be more appropriate. This is built
-with a non-standard runtime library - the "MultiThreaded" version. When you
-build your application it must be compiled with this option (/MT), otherwise
-it will not build (if you are lucky) or crash (if you are not.)
-
-Stop reading here
-=================
-You have enough information to build a working application.
-
-Debug versions have limited support
-===================================
-This solution includes limited support for debug versions of libpng. You
-do not need these unless your own solution itself uses debug builds (it is
-far more effective to debug on the release builds, there is no point building
-a special debug build unless you have heap corruption problems that you can't
-track down.)
-
-The debug build of libpng is minimally supported. Support for debug builds of
-zlib is also minimal. You really don't want to do this.