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tesseract/vs2008/doc/maintenance.html
zdenop@gmail.com da121f013c vs2008 and vs2010 replaced with Tom Powers solution 
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<div class="section" id="maintaining-the-vs2008-directory">
<h1>Maintaining the VS2008 directory<a class="headerlink" href="#maintaining-the-vs2008-directory" title="Permalink to this headline"></a></h1>
<p>This section is geared towards project maintainers of the
<span class="filesystem">tesseract-3.0x\vs2008</span> directory, rather than users of it.</p>
<p>Python 2.7.x (<em>not</em> 3.x) is required for this section. The recommended
version is the <a class="reference external" href="http://www.activestate.com/activepython/downloads">latest from ActiveState</a>.</p>
<div class="section" id="the-tesshelper-py-python-script">
<span id="tesshelper"></span><h2>The <span class="filesystem">tesshelper.py</span> Python script<a class="headerlink" href="#the-tesshelper-py-python-script" title="Permalink to this headline"></a></h2>
<p><span class="filesystem">tesshelper.py</span> performs a number of useful maintenance related
operations on the <span class="filesystem">tesseract-3.0x\vs2008</span> directory. To run it, first
open a Command Prompt window and navigate to the <span class="filesystem">&lt;tesseract install
dir&gt;\vs2008</span> directory.</p>
<p>Then entering the following command:</p>
<div class="highlight-none"><div class="highlight"><pre>python tesshelper.py --help
</pre></div>
</div>
<p>displays the following help message:</p>
<div class="highlight-none"><div class="highlight"><pre>usage: tesshelper.py [-h] [--version] tessDir {compare,report,copy,clean} ...
positional arguments:
tessDir tesseract installation directory
optional arguments:
-h, --help show this help message and exit
--version show program&#39;s version number and exit
Commands:
{compare,report,copy,clean}
compare compare libtesseract Project with tessDir
report report libtesseract summary stats
copy copy public libtesseract header files to includeDir
clean clean vs2008 folder of build folders and .user files
Examples:
Assume that tesshelper.py is in c:\buildfolder\tesseract-3.01\vs2008,
which is also the current directory. Then,
python tesshelper .. compare
will compare c:\buildfolder\tesseract-3.01 &quot;library&quot; directories to the
libtesseract Project
(c:\buildfolder\tesseract-3.01\vs2008\libtesseract\libtesseract.vcproj).
python tesshelper .. report
will display summary stats for c:\buildfolder\tesseract-3.01 &quot;library&quot;
directories and the libtesseract Project.
python tesshelper .. copy ..\..\include
will copy all &quot;public&quot; libtesseract header files to
c:\buildfolder\include.
python tesshelper .. clean
will clean the vs2008 folder of all build directories, and .user, .suo,
.ncb, and other temp files.
</pre></div>
</div>
</div>
<div class="section" id="generating-the-documentation">
<h2>Generating the documentation<a class="headerlink" href="#generating-the-documentation" title="Permalink to this headline"></a></h2>
<p>The source files for the documentation you are currently reading are
written in <a class="reference external" href="http://docutils.sourceforge.net/rst.html">reStructuredText</a> and processed with the
<a class="reference external" href="http://sphinx.pocoo.org/index.html">Sphinx Python Documentation Generator</a>.</p>
<p>To install Sphinx, go to your <span class="filesystem">&lt;python.2.7.x install dir&gt;\scripts</span>
directory and just do:</p>
<div class="highlight-none"><div class="highlight"><pre>easy_install -U Sphinx
</pre></div>
</div>
<p>which will download Sphinx and all its dependencies. [Note: This might
<em>not</em> install the Python Imaging Library. If not, then also do
<tt class="docutils literal"><span class="pre">easy_install</span> <span class="pre">-U</span> <span class="pre">PIL</span></tt> or download it from <a class="reference external" href="http://www.pythonware.com/products/pil/">here</a>.]</p>
<p>To generate this <strong>Tesseract-OCR</strong> VS2008 documentation go to
<span class="filesystem">tesseract-3.0x\vs2008\Sphinx</span> and do:</p>
<div class="highlight-none"><div class="highlight"><pre>make clean
make html
</pre></div>
</div>
<p>Which will create a number of items in
<span class="filesystem">tesseract-3.0x\vs2008\Sphinx\_build\html</span>.</p>
<p>Copy everything there to the distribution&#8217;s <span class="filesystem">tesseract-3.0x\vs2008\doc</span>
folder, <em class="bold-italic">except</em> for:</p>
<div class="highlight-none"><div class="highlight"><pre>.buildinfo
objects.inv
</pre></div>
</div>
</div>
<div class="section" id="updating-the-vs2008-directory-for-new-releases-of-tesseractocr">
<span id="updating-vs2008-directory"></span><h2>Updating the VS2008 directory for new releases of <strong>Tesseract-OCR</strong><a class="headerlink" href="#updating-the-vs2008-directory-for-new-releases-of-tesseractocr" title="Permalink to this headline"></a></h2>
<ol class="arabic">
<li><p class="first">Change the version number strings in
<span class="filesystem">tesseract-3.0x\vs2008\include\tesseract_versionnumbers.vsprops</span>.</p>
</li>
<li><p class="first">Change the version number in
<span class="filesystem">tesseract-3.0x\vs2008\port\version.h</span>.</p>
</li>
<li><p class="first">Open up a Command Prompt window, and do the following:</p>
<div class="highlight-none"><div class="highlight"><pre>cd &lt;tesseract-3.0x install dir&gt;\vs2008
python tesshelper .. compare
</pre></div>
</div>
<p>This will list all added and missing items in the <span class="filesystem">&lt;tesseract-3.0x install
dir&gt;</span> directories that are used to build <span class="filesystem">libtesseract</span>. For the
newly added items ignore:</p>
<div class="highlight-none"><div class="highlight"><pre>api\tesseractmain.cpp
api\tesseractmain.h
ccutil\scanutils.cpp
ccutil\scanutils.h
</pre></div>
</div>
<p>and for the newly missing items ignore:</p>
<div class="highlight-none"><div class="highlight"><pre>training\commontraining.cpp
training\commontraining.h
training\tessopt.cpp
training\tessopt.h
</pre></div>
</div>
</li>
<li><p class="first">Open up the <span class="filesystem">tesseract.sln</span> in Visual Studio 2008 (or Visual C++ 2008
Express Edition but see <a class="reference internal" href="building.html#building-with-vc2008-express"><em>this</em></a> first).</p>
<ol class="loweralpha">
<li><p class="first">In the Solution Explorer, rename the <em class="guilabel">libtesseract-3.0x</em>
Project to the correct version number to make it obvious which
version of <strong>Tesseract-OCR</strong> this Solution is for.</p>
</li>
<li><p class="first">Remove the missing items from the <em class="guilabel">libtesseract-3.0x</em> Project.</p>
</li>
<li><p class="first">Add the new items to the <em class="guilabel">libtesseract-3.0x</em> Project.</p>
<p>If there were a lot of new items, you can use the <span class="filesystem">newheaders.txt</span>
and <span class="filesystem">newsources.txt</span> files generated by running the
<span class="filesystem">tesshelper.py</span> script with the <tt class="docutils literal"><span class="pre">compare</span></tt> command. Close the
Solution, and then you can directly edit
<span class="filesystem">libtesseract\libtesseract.vcproj</span> to add them to the appropriate
<tt class="docutils literal"><span class="pre">&lt;Filter&gt;</span> <span class="pre">...</span> <span class="pre">&lt;/Filter&gt;</span></tt> section (either <tt class="docutils literal"><span class="pre">Header</span> <span class="pre">Files</span></tt> or
<tt class="docutils literal"><span class="pre">Source</span> <span class="pre">Files</span></tt>).</p>
</li>
</ol>
</li>
<li><p class="first">With the Solution closed, use a text editor to change all the
Project&#8217;s <span class="filesystem">.rc</span> files to reflect the new version.</p>
<p>If you have a program like the <em>non-free</em> <a class="reference external" href="http://www.powergrep.com/">PowerGrep</a>, you can use it to change all the
<span class="filesystem">.rc</span> files in one fell swoop.</p>
<p>Alternatively, you can edit the Version resources within Visual
Studio 2008 (but <em>not</em> Visual C++ 2008 Express Edition) and then
manually make the changes mentioned <a class="reference internal" href="building.html#building-with-vc2008-express"><em>here</em></a> afterwards.</p>
</li>
<li id="copying-a-project"><p class="first">If a new training application was added (edit
<span class="filesystem">tesseract-3.0x\training\Makefile.am</span> and look at the
<tt class="docutils literal"><span class="pre">bin_PROGRAMS</span></tt> variable to see the list), the easiest thing to do
is copy another existing training application Project and manually
change it.</p>
<p>For example, assuming the new training application is
called <span class="filesystem">new_trainer.exe</span>, with the Solution closed:</p>
<ol class="loweralpha">
<li><p class="first">Copy the <span class="filesystem">ambiguous_words</span> directory to a new directory called
<span class="filesystem">new_trainer</span>.</p>
</li>
<li><p class="first">Change the <span class="filesystem">new_trainer\ambiguous_words.rc</span> filename to
<span class="filesystem">new_trainer\new_trainer.rc</span>.</p>
</li>
<li><p class="first">Change the <span class="filesystem">new_trainer\ambiguous_words.vcproj</span> filename to
<span class="filesystem">new_trainer\new_trainer.vcproj</span>.</p>
</li>
<li><p class="first">Edit <span class="filesystem">new_trainer\new_trainer.rc</span> and change all occurrences of
<tt class="docutils literal"><span class="pre">ambiguous_words</span></tt> to <tt class="docutils literal"><span class="pre">new_trainer</span></tt>.</p>
<p>Also change <tt class="docutils literal"><span class="pre">FileDescription</span></tt> to describe the new application.</p>
</li>
<li><p class="first">Open up the <strong>Tesseract-OCR</strong> Solution file and right-click the
<em class="guilabel">Solution:&#8217;tesseract&#8217;</em> in the Solution Explorer. Choose
<em class="menuselection">A<span class="accelerator">d</span>d ‣ <span class="accelerator">E</span>xisting Project...</em> from the context
menu and add the <span class="filesystem">new_trainer\new_trainer.vcproj</span> you just
created.</p>
</li>
<li><p class="first">Right-click the newly added Project, and choose
<em class="menuselection">Project Dependencie<span class="accelerator">s</span>...</em>.</p>
<p>The <em class="guilabel">Project Dependencies</em> Dialog will open. Make sure
that <span class="filesystem">libtesseract30x</span> is checked. If you forget this step, Visual
Studio will not automatically link with <span class="filesystem">libtesseract</span> and
you&#8217;ll get lots of &#8220;unresolved external symbol&#8221; errors.</p>
</li>
</ol>
<p>This actually goes pretty fast. It should only take you a minute or
so to add a new application to the <strong>Tesseract-OCR</strong> Solution.</p>
</li>
<li><p class="first">(Optional?) Edit <span class="filesystem">vs2008\Sphinx\versions.rst</span> and add a new entry
describing the changes made for this new version.</p>
</li>
<li><p class="first">To make your working directory suitable for reposting back to the
<strong>Tesseract-OCR</strong> SVN repository, you need to ignore all the following:</p>
<ul>
<li><p class="first">All <span class="filesystem">LIB_Release</span>, <span class="filesystem">LIB_Debug</span>, <span class="filesystem">DLL_Release</span>, <span class="filesystem">DLL_Debug</span>
directories</p>
</li>
<li><p class="first">All <span class="filesystem">.suo</span> files</p>
</li>
<li><p class="first">All <span class="filesystem">.user</span> files</p>
</li>
<li><p class="first">All <span class="filesystem">.ncb</span> files</p>
</li>
<li><p class="first"><span class="filesystem">vs2008\newheaders.txt</span></p>
</li>
<li><p class="first"><span class="filesystem">vs2008\newsources.txt</span></p>
</li>
</ul>
<p>Optionally, the <span class="filesystem">tesshelper.py</span> script has the <tt class="docutils literal"><span class="pre">clean</span></tt> command
which will remove the above items. To run it, open a Command Prompt
window and then do:</p>
<div class="highlight-none"><div class="highlight"><pre>cd &lt;tesseract-3.0x install dir&gt;\vs2008
python tesshelper .. clean
</pre></div>
</div>
<p>The script will respond with the following:</p>
<div class="highlight-none"><div class="highlight"><pre>Are you sure you want to clean the
&quot;C:\BuildFolder\tesseract-3.0x\vs2008&quot; folder (Yes/No) [No]? yes
Only list the items to be deleted (Yes/No) [Yes]? no
</pre></div>
</div>
<p>You have to answer <tt class="docutils literal"><span class="pre">yes</span></tt> and then <tt class="docutils literal"><span class="pre">no</span></tt> to the prompts. Otherwise
either the script will just exit, or only list the items that will be
removed instead of actually removing them (which is a good thing to
try first just in case).</p>
</li>
</ol>
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<li class="toctree-l1"><a class="reference internal" href="overview.html">Overview</a></li>
<li class="toctree-l1"><a class="reference internal" href="setup.html">Setting up <strong>Tesseract-OCR</strong></a></li>
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<li class="toctree-l1"><a class="reference internal" href="tools.html">Handy free tools</a></li>
<li class="toctree-l1 current"><a class="current reference internal" href="">Maintaining the VS2008 directory</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#the-tesshelper-py-python-script">The <span class="filesystem">tesshelper.py</span> Python script</a></li>
<li class="toctree-l2"><a class="reference internal" href="#generating-the-documentation">Generating the documentation</a></li>
<li class="toctree-l2"><a class="reference internal" href="#updating-the-vs2008-directory-for-new-releases-of-tesseractocr">Updating the VS2008 directory for new releases of <strong>Tesseract-OCR</strong></a></li>
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<li class="toctree-l1"><a class="reference internal" href="vs2010-notes.html">Using Visual Studio 2010</a></li>
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