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macintosh_metric_extractor.hpp
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00001 /* 00002 Copyright 2005-2007 Adobe Systems Incorporated 00003 Distributed under the MIT License (see accompanying file LICENSE_1_0_0.txt 00004 or a copy at http://stlab.adobe.com/licenses.html) 00005 */ 00006 00007 /****************************************************************************************************/ 00008 00009 #ifndef ADOBE_METRICS_EXTRACTOR_MAC_HPP 00010 #define ADOBE_METRICS_EXTRACTOR_MAC_HPP 00011 00012 /****************************************************************************************************/ 00013 00014 #include <adobe/config.hpp> 00015 00016 #include <adobe/dictionary.hpp> 00017 #include <adobe/array.hpp> 00018 00019 /****************************************************************************************************/ 00020 00021 namespace adobe { 00022 00023 /****************************************************************************************************/ 00024 00129 struct metric_extractor_t 00130 { 00132 enum array_index_t 00133 { 00135 index_left = 0, 00137 index_top = 1, 00139 index_right = 2, 00141 index_bottom = 3, 00143 index_width = index_left, 00145 index_height = index_top 00146 }; 00147 00150 explicit metric_extractor_t(const dictionary_t& dictionary = dictionary_t()) : 00151 dictionary_m(dictionary) 00152 { } 00153 00157 long operator () (const name_t& tag) const 00158 { 00159 long result(0); 00160 00161 if (empty()) 00162 return result; 00163 00164 get_value(dictionary_m, tag, result); 00165 00166 return result; 00167 } 00168 00173 long operator () (const name_t& tag, array_index_t index) const 00174 { 00175 if (empty()) return 0; 00176 00177 dictionary_t::const_iterator i = dictionary_m.find(tag); 00178 if (i == dictionary_m.end()) return 0; 00179 00180 const array_t& array_result = i->second.cast<array_t>(); 00181 00182 if (!(std::size_t(index) < array_result.size())) return 0; 00183 00184 return array_result[std::size_t(index)].cast<long>(); 00185 } 00186 00190 bool empty() const { return dictionary_m.empty(); } 00191 00192 friend inline bool operator==(const metric_extractor_t& x, const metric_extractor_t& y) 00193 { return x.dictionary_m == y.dictionary_m; } 00194 00195 metric_extractor_t& operator=(const metric_extractor_t& x) 00196 { 00197 dictionary_m = x.dictionary_m; 00198 return *this; 00199 } 00200 00201 private: 00202 dictionary_t dictionary_m; 00203 }; 00204 00205 /****************************************************************************************************/ 00206 00207 } 00208 00209 /****************************************************************************************************/ 00210 00211 #endif 00212 00213 /****************************************************************************************************/ | ||||||
