readme.mingw

Datamatrix二维码库和测试程序,运行于linux,仔细研究可以很容易转化成VC程序,有这就没必要化钱买个控件了,本人libdmtx-0.3版本转化过,的确可行,现在把找到该版本的libdmtx

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            libdmtx - Open Source Data Matrix Software
=================================================================

                   libdmtx README file (MinGW)

This README.mingw file contains information on installing and
using libdmtx using MinGW. The general README file, also found in
this directory, contains a high level summary of libdmtx and its
components.


1. Installing libdmtx on Windows using MinGW and MSYS
-----------------------------------------------------------------

libdmtx can be installed on MinGW using the instructions provided
in the general README file. However, please see below for
additional details that might benefit users on this platform.


2. Installing MinGW and MSYS
-----------------------------------------------------------------

If you haven't done so already, you need to install MinGW, MSYS,
and all recommended updates to your Windows system. Instructions
for doing this are provided here:

  http://www.mingw.org/wiki/msys


3. External Dependencies
-----------------------------------------------------------------

The dmtxread command line utility requires GraphicsMagick to be
installed on your system. To satisfy this requirement you can
download and install the current stable branch of GraphicsMagick
from http://www.graphicsmagick.org/. Detailed instructions are
available at http://www.graphicsmagick.org/INSTALL-unix.html.

After downloading, unpack the GraphicsMagick sources and run:

  $ ./configure
  $ make
  $ make install

Alternatively, if you only want the core library and don't care
about the command line utilities then you can just disable
dmtxread and avoid messing with GraphicsMagick entirely. This is
accomplished by passing "--disable-dmtxread" to ./configure when
installing libdmtx.

  $ ./configure --disable-dmtxread


4. Building and installing libdmtx
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To install libdmtx, download and unpack the libdmtx source to
your MSYS folder. If you accepted the installation defaults this
will be C:\msys\1.0.

Open the MSYS shell and run the following:

  $ ./configure
  $ make
  $ make install

Go to folder .libs:

  $ cd .libs
  $ ls

Now you should see following output:

  libdmtx.a libdmtx.la libdmtx.lai  libdmtx_la-dmtx.o

Finally run:

  $ gcc -shared -o dmtx.dll libdmtx_la-dmtx.o -Wl,--out-implib,libdmtx.a

Now you should have working dmtx.dll in the folder .libs.


5. This Document
-----------------------------------------------------------------

This document is derived from the wiki page located at:

  http://libdmtx.wiki.sourceforge.net/libdmtx+on+Windows+(MinGW)

If you find an error or have additional helpful information,
please edit the wiki directly with your updates.