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<h1>tiff_dynamic_io.hpp</h1><a href="g_i_l_0639.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright 2005-2007 Adobe Systems Incorporated</span>
<a name="l00003"></a>00003 <span class="comment"> </span>
<a name="l00004"></a>00004 <span class="comment"> Use, modification and distribution are subject to the Boost Software License,</span>
<a name="l00005"></a>00005 <span class="comment"> Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
<a name="l00006"></a>00006 <span class="comment"> http://www.boost.org/LICENSE_1_0.txt).</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> See http://opensource.adobe.com/gil for most recent version including documentation.</span>
<a name="l00009"></a>00009 <span class="comment">*/</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">/*************************************************************************************************/</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#ifndef GIL_TIFF_DYNAMIC_IO_H</span>
<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define GIL_TIFF_DYNAMIC_IO_H</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="comment">//</span>
<a name="l00023"></a>00023 <span class="comment">// We are currently providing the following functions:</span>
<a name="l00024"></a>00024 <span class="comment">// template <typename Images> void tiff_read_image(const char*,any_image<Images>)</span>
<a name="l00025"></a>00025 <span class="comment">// template <typename Views> void tiff_write_view(const char*,any_image_view<Views>)</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <string></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <boost/mpl/bool.hpp></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "../dynamic_image/dynamic_image_all.hpp"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="io__error_8hpp.html" title="Handle input-output errors.">io_error.hpp</a>"</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include "<a class="code" href="tiff__io_8hpp.html" title="Support for reading and writing TIFF files Requires libtiff!">tiff_io.hpp</a>"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "<a class="code" href="g_i_l_0085.html" title="Generic io functions for dealing with dynamic images.">dynamic_io.hpp</a>"</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>gil {
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="keyword">namespace </span>detail {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">struct </span>tiff_write_is_supported {
<a name="l00040"></a>00040 <span class="keyword">template</span><<span class="keyword">typename</span> View> <span class="keyword">struct </span>apply
<a name="l00041"></a>00041 : <span class="keyword">public</span> mpl::bool_<tiff_write_support<View>::is_supported> {};
<a name="l00042"></a>00042 };
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">class </span>tiff_writer_dynamic : <span class="keyword">public</span> tiff_writer {
<a name="l00045"></a>00045 <span class="keyword">public</span>:
<a name="l00046"></a>00046 <span class="keyword">typedef</span> <span class="keywordtype">void</span> result_type;
<a name="l00047"></a>00047 tiff_writer_dynamic(<span class="keyword">const</span> <span class="keywordtype">char</span>* filename) : tiff_writer(filename) {}
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">template</span> <<span class="keyword">typename</span> Views>
<a name="l00050"></a>00050 <span class="keywordtype">void</span> write_view(<span class="keyword">const</span> any_image_view<Views>& runtime_view) {
<a name="l00051"></a>00051 dynamic_io_fnobj<tiff_write_is_supported, tiff_writer> op(<span class="keyword">this</span>);
<a name="l00052"></a>00052 <a class="code" href="group___variant.html#g3dc0a90911c08815be11e1e49ec06037" title="Invokes a generic constant operation (represented as a binary function object) on...">apply_operation</a>(runtime_view,op);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 };
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">class </span>tiff_type_format_checker {
<a name="l00057"></a>00057 <span class="keywordtype">int</span> _bit_depth;
<a name="l00058"></a>00058 <span class="keywordtype">int</span> _color_type;
<a name="l00059"></a>00059 <span class="keyword">public</span>:
<a name="l00060"></a>00060 tiff_type_format_checker(<span class="keywordtype">int</span> bit_depth_in,<span class="keywordtype">int</span> color_type_in) :
<a name="l00061"></a>00061 _bit_depth(bit_depth_in),_color_type(color_type_in) {}
<a name="l00062"></a>00062 <span class="keyword">template</span> <<span class="keyword">typename</span> Image>
<a name="l00063"></a>00063 <span class="keywordtype">bool</span> apply() {
<a name="l00064"></a>00064 <span class="keywordflow">return</span> tiff_read_support<typename Image::view_t>::bit_depth==_bit_depth &&
<a name="l00065"></a>00065 tiff_read_support<typename Image::view_t>::color_type==_color_type;
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 };
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keyword">struct </span>tiff_read_is_supported {
<a name="l00070"></a>00070 <span class="keyword">template</span><<span class="keyword">typename</span> View> <span class="keyword">struct </span>apply
<a name="l00071"></a>00071 : <span class="keyword">public</span> mpl::bool_<tiff_read_support<View>::is_supported> {};
<a name="l00072"></a>00072 };
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">class </span>tiff_reader_dynamic : <span class="keyword">public</span> tiff_reader {
<a name="l00075"></a>00075 <span class="keyword">public</span>:
<a name="l00076"></a>00076 tiff_reader_dynamic(<span class="keyword">const</span> <span class="keywordtype">char</span>* filename) : tiff_reader(filename) {}
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">template</span> <<span class="keyword">typename</span> Images>
<a name="l00079"></a>00079 <span class="keywordtype">void</span> read_image(any_image<Images>& im) {
<a name="l00080"></a>00080 <span class="keywordtype">int</span> width,height;
<a name="l00081"></a>00081 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> bps,photometric;
<a name="l00082"></a>00082 TIFFGetField(_tp,TIFFTAG_IMAGEWIDTH,&width);
<a name="l00083"></a>00083 TIFFGetField(_tp,TIFFTAG_IMAGELENGTH,&height);
<a name="l00084"></a>00084 TIFFGetField(_tp,TIFFTAG_BITSPERSAMPLE,&bps);
<a name="l00085"></a>00085 TIFFGetField(_tp,TIFFTAG_PHOTOMETRIC,&photometric);
<a name="l00086"></a>00086 <span class="keywordflow">if</span> (!construct_matched(im,tiff_type_format_checker(bps,photometric))) {
<a name="l00087"></a>00087 io_error(<span class="stringliteral">"tiff_reader_dynamic::read_image(): no matching image type between those of the given any_image and that of the file"</span>);
<a name="l00088"></a>00088 } <span class="keywordflow">else</span> {
<a name="l00089"></a>00089 im.recreate(width,height);
<a name="l00090"></a>00090 dynamic_io_fnobj<tiff_read_is_supported, tiff_reader> op(<span class="keyword">this</span>);
<a name="l00091"></a>00091 <a class="code" href="group___variant.html#g3dc0a90911c08815be11e1e49ec06037" title="Invokes a generic constant operation (represented as a binary function object) on...">apply_operation</a>(<a class="code" href="g_i_l_0135.html#g55e45a15dddfc0d870c2f7fb9739cb2e" title="Returns the non-constant-pixel view of any image. The returned view is any view.">view</a>(im),op);
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 };
<a name="l00095"></a>00095
<a name="l00096"></a>00096 } <span class="comment">// namespace detail</span>
<a name="l00097"></a>00097
<a name="l00103"></a>00103 <span class="keyword">template</span> <<span class="keyword">typename</span> Images>
<a name="l00104"></a><a class="code" href="g_i_l_0216.html#g6668f0775908d834ab5fdf0cb2e41e34">00104</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="g_i_l_0216.html#g14ff6b4a743878cac2b32fdaedd5e705" title="Allocates a new image whose dimensions are determined by the given tiff image file...">tiff_read_image</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* filename,<a class="code" href="g_i_l_0018.html" title="Represents a run-time specified image. Note it does NOT model ImageConcept.">any_image<Images></a>& im) {
<a name="l00105"></a>00105 detail::tiff_reader_dynamic m(filename);
<a name="l00106"></a>00106 m.read_image(im);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00111"></a>00111 <span class="keyword">template</span> <<span class="keyword">typename</span> Images>
<a name="l00112"></a><a class="code" href="g_i_l_0216.html#gd98fe891bca440cb0e68a08aaa9e4574">00112</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="g_i_l_0216.html#g14ff6b4a743878cac2b32fdaedd5e705" title="Allocates a new image whose dimensions are determined by the given tiff image file...">tiff_read_image</a>(<span class="keyword">const</span> std::string& filename,<a class="code" href="g_i_l_0018.html" title="Represents a run-time specified image. Note it does NOT model ImageConcept.">any_image<Images></a>& im) {
<a name="l00113"></a>00113 <a class="code" href="g_i_l_0216.html#g14ff6b4a743878cac2b32fdaedd5e705" title="Allocates a new image whose dimensions are determined by the given tiff image file...">tiff_read_image</a>(filename.c_str(),im);
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115
<a name="l00120"></a>00120 <span class="keyword">template</span> <<span class="keyword">typename</span> Views>
<a name="l00121"></a><a class="code" href="g_i_l_0216.html#g512a713ae6fc8aa9da4415a1f554a67e">00121</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="g_i_l_0216.html#g99ce921bc92a5bbcf2145d3387e5e323" title="Saves the view to a tiff file specified by the given tiff image file name.">tiff_write_view</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* filename,<span class="keyword">const</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view<Views></a>& runtime_view) {
<a name="l00122"></a>00122 detail::tiff_writer_dynamic m(filename);
<a name="l00123"></a>00123 m.write_view(runtime_view);
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125
<a name="l00128"></a>00128 <span class="keyword">template</span> <<span class="keyword">typename</span> Views>
<a name="l00129"></a><a class="code" href="g_i_l_0216.html#g718fc306c4dba31246989bb6255dd3fb">00129</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="g_i_l_0216.html#g99ce921bc92a5bbcf2145d3387e5e323" title="Saves the view to a tiff file specified by the given tiff image file name.">tiff_write_view</a>(<span class="keyword">const</span> std::string& filename,<span class="keyword">const</span> <a class="code" href="g_i_l_0020.html" title="Represents a run-time specified image view. Models HasDynamicXStepTypeConcept, HasDynamicYStepTypeCo...">any_image_view<Views></a>& runtime_view) {
<a name="l00130"></a>00130 <a class="code" href="g_i_l_0216.html#g99ce921bc92a5bbcf2145d3387e5e323" title="Saves the view to a tiff file specified by the given tiff image file name.">tiff_write_view</a>(filename.c_str(),runtime_view);
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 } } <span class="comment">// namespace boost::gil</span>
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="preprocessor">#endif</span>
</pre></div></div>
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