54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
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#include <mapnik/processed_text.hpp>
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namespace mapnik
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{
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void processed_text::push_back(char_properties const& properties, UnicodeString const& text)
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{
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expr_list_.push_back(processed_expression(properties, text));
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}
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processed_text::expression_list::const_iterator processed_text::begin() const
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{
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return expr_list_.begin();
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}
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processed_text::expression_list::const_iterator processed_text::end() const
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{
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return expr_list_.end();
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}
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processed_text::processed_text(face_manager<freetype_engine> & font_manager, double scale_factor)
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: font_manager_(font_manager), scale_factor_(scale_factor)
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{
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}
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void processed_text::clear()
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{
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info_.clear();
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expr_list_.clear();
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}
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string_info &processed_text::get_string_info()
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{
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info_.clear(); //if this function is called twice invalid results are returned, so clear string_info first
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expression_list::iterator itr = expr_list_.begin();
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expression_list::iterator end = expr_list_.end();
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for (; itr != end; ++itr)
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{
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char_properties const &p = itr->p;
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face_set_ptr faces = font_manager_.get_face_set(p.face_name, p.fontset);
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if (faces->size() <= 0)
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{
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throw config_error("Unable to find specified font face '" + p.face_name + "'");
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}
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faces->set_character_sizes(p.text_size * scale_factor_);
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faces->get_string_info(info_, itr->str, &(itr->p));
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info_.add_text(itr->str);
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}
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return info_;
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}
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} //ns mapnik
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