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  41 <h1>png_dynamic_io.hpp File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
  42 Support for reading and writing PNG files Requires libpng and zlib!
  43 <p>
  44 <dl class="author" compact><dt><b>Author:</b></dt><dd>Hailin Jin and Lubomir Bourdev <br>
  45  Adobe Systems Incorporated </dd></dl>
  46 <dl class="date" compact><dt><b>Date:</b></dt><dd>2005-2007 <br>
  47  Last updated June 10, 2006 </dd></dl>
  48
  49 <p>
  50 <code>#include &lt;string&gt;</code><br>
  51 <code>#include &lt;stdio.h&gt;</code><br>
  52 <code>#include &lt;boost/mpl/bool.hpp&gt;</code><br>
  53 <code>#include &lt;boost/shared_ptr.hpp&gt;</code><br>
  54 <code>#include &quot;<a class="el" href="g_i_l_0082.html">../dynamic_image/dynamic_image_all.hpp</a>&quot;</code><br>
  55 <code>#include &quot;<a class="el" href="g_i_l_0228.html">io_error.hpp</a>&quot;</code><br>
  56 <code>#include &quot;<a class="el" href="g_i_l_0252.html">png_io.hpp</a>&quot;</code><br>
  57 <code>#include &quot;<a class="el" href="g_i_l_0253.html">png_io_private.hpp</a>&quot;</code><br>
  58 <code>#include &quot;<a class="el" href="g_i_l_0084.html">dynamic_io.hpp</a>&quot;</code><br>
  59
  60 <p>
  61 <a href="g_i_l_0250.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
  62 <tr><td></td></tr>
  63 <tr><td colspan="2"><br><h2>Namespaces</h2></td></tr>
  64 <tr><td class="memItemLeft" nowrap align="right" valign="top">namespace &nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceboost.html">boost</a></td></tr>
  65
  66 <tr><td class="memItemLeft" nowrap align="right" valign="top">namespace &nbsp;</td><td class="memItemRight" valign="bottom"><b>boost::gil</b></td></tr>
  67
  68 <tr><td class="memItemLeft" nowrap align="right" valign="top">namespace &nbsp;</td><td class="memItemRight" valign="bottom"><b>boost::gil::detail</b></td></tr>
  69
  70 <tr><td colspan="2"><br><h2>Functions</h2></td></tr>
  71 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gaa5dd1e1d7d5c9ba497d2d52ccfd6523"></a><!-- doxytag: member="png_dynamic_io.hpp::png_read_image" ref="gaa5dd1e1d7d5c9ba497d2d52ccfd6523" args="(const char *filename, any_image&lt; Images &gt; &amp;im)" -->
  72 template&lt;typename Images&gt; </td></tr>
  73 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="g_i_l_0174.html#gaa5dd1e1d7d5c9ba497d2d52ccfd6523">png_read_image</a> (const char *filename, any_image&lt; Images &gt; &amp;im)</td></tr>
  74
  75 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">reads a PNG <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> into a run-time instantiated <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> Opens the given png file name, selects the first type in Images whose color space and channel are compatible to those of the <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> file and creates a new <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> of that type with the dimensions specified by the <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> file. Throws std::ios_base::failure if none of the types in Images are compatible with the type on disk. <br></td></tr>
  76 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="g920e9b7f4c8b491695ab64968a386de0"></a><!-- doxytag: member="png_dynamic_io.hpp::png_read_image" ref="g920e9b7f4c8b491695ab64968a386de0" args="(const std::string &amp;filename, any_image&lt; Images &gt; &amp;im)" -->
  77 template&lt;typename Images&gt; </td></tr>
  78 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="g_i_l_0174.html#g920e9b7f4c8b491695ab64968a386de0">png_read_image</a> (const std::string &amp;filename, any_image&lt; Images &gt; &amp;im)</td></tr>
  79
  80 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">reads a PNG <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> into a run-time instantiated <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> <br></td></tr>
  81 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gaf208f891f567a13e2dc82f9b06d7858"></a><!-- doxytag: member="png_dynamic_io.hpp::png_write_view" ref="gaf208f891f567a13e2dc82f9b06d7858" args="(const char *filename, const any_image_view&lt; Views &gt; &amp;runtime_view)" -->
  82 template&lt;typename Views&gt; </td></tr>
  83 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="g_i_l_0174.html#gaf208f891f567a13e2dc82f9b06d7858">png_write_view</a> (const char *filename, const any_image_view&lt; Views &gt; &amp;runtime_view)</td></tr>
  84
  85 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Saves the currently instantiated view to a png file specified by the given png <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> file name. Throws std::ios_base::failure if the currently instantiated view type is not supported for writing by the I/O extension or if it fails to create the file. <br></td></tr>
  86 <tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="gd2dd9992f27f2176f88b934bc8d408f5"></a><!-- doxytag: member="png_dynamic_io.hpp::png_write_view" ref="gd2dd9992f27f2176f88b934bc8d408f5" args="(const std::string &amp;filename, const any_image_view&lt; Views &gt; &amp;runtime_view)" -->
  87 template&lt;typename Views&gt; </td></tr>
  88 <tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="g_i_l_0174.html#gd2dd9992f27f2176f88b934bc8d408f5">png_write_view</a> (const std::string &amp;filename, const any_image_view&lt; Views &gt; &amp;runtime_view)</td></tr>
  89
  90 <tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Saves the currently instantiated view to a png file specified by the given png <a class="el" href="g_i_l_0038.html" title="container interface over image view. Models ImageConcept, PixelBasedConcept">image</a> file name. <br></td></tr>
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