92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2006 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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//$Id$
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#ifndef TEXT_SYMBOLIZER_HPP
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#define TEXT_SYMBOLIZER_HPP
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// stl
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#include <string>
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// boost
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#include <boost/tuple/tuple.hpp>
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// mapnik
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#include <mapnik/color.hpp>
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namespace mapnik
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{
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enum label_placement_e {
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point_placement=1,
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line_placement=2
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};
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typedef boost::tuple<double,double> position;
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struct MAPNIK_DECL text_symbolizer
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{
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text_symbolizer(std::string const& name,std::string const& face_name,
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unsigned size,Color const& fill);
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text_symbolizer(text_symbolizer const& rhs);
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text_symbolizer& operator=(text_symbolizer const& rhs);
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std::string const& get_name() const;
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unsigned get_text_ratio() const; // target ratio for text bounding box in pixels
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void set_text_ratio(unsigned ratio);
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unsigned get_wrap_width() const; // width to wrap text at, or trigger ratio
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void set_wrap_width(unsigned ratio);
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unsigned get_label_spacing() const; // spacing between repeated labels on lines
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void set_label_spacing(unsigned spacing);
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double get_max_char_angle_delta() const; // maximum change in angle between adjacent characters
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void set_max_char_angle_delta(double angle);
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unsigned get_text_size() const;
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std::string const& get_face_name() const;
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Color const& get_fill() const;
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void set_halo_fill(Color const& fill);
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Color const& get_halo_fill() const;
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void set_halo_radius(unsigned radius);
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unsigned get_halo_radius() const;
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void set_label_placement(label_placement_e label_p);
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label_placement_e get_label_placement() const;
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void set_anchor(double x, double y);
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position const& get_anchor() const;
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void set_displacement(double x, double y);
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position const& get_displacement() const;
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void set_avoid_edges(bool avoid);
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bool get_avoid_edges() const;
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private:
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std::string name_;
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std::string face_name_;
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unsigned size_;
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unsigned text_ratio_;
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unsigned wrap_width_;
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unsigned label_spacing_;
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double max_char_angle_delta_;
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Color fill_;
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Color halo_fill_;
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unsigned halo_radius_;
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label_placement_e label_p_;
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position anchor_;
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position displacement_;
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bool avoid_edges_;
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};
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}
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#endif //TEXT_SYMBOLIZER_HPP
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