Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

103 lines (91 sloc) 3.482 kb
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2012 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#include <mapnik/processed_text.hpp>
#include <mapnik/config_error.hpp>
namespace mapnik
{
void processed_text::push_back(char_properties const& properties, UnicodeString const& text)
{
expr_list_.push_back(processed_expression(properties, text));
}
processed_text::expression_list::const_iterator processed_text::begin() const
{
return expr_list_.begin();
}
processed_text::expression_list::const_iterator processed_text::end() const
{
return expr_list_.end();
}
processed_text::processed_text(face_manager<freetype_engine> & font_manager, double scale_factor)
: font_manager_(font_manager), scale_factor_(scale_factor)
{
}
void processed_text::clear()
{
info_.clear();
expr_list_.clear();
}
string_info &processed_text::get_string_info()
{
info_.clear(); //if this function is called twice invalid results are returned, so clear string_info first
expression_list::iterator itr = expr_list_.begin();
expression_list::iterator end = expr_list_.end();
for (; itr != end; ++itr)
{
char_properties const &p = itr->p;
face_set_ptr faces = font_manager_.get_face_set(p.face_name, p.fontset);
if (faces->size() == 0)
{
if (p.fontset && !p.fontset->get_name().empty())
{
if (p.fontset->size())
{
if (!p.face_name.empty())
{
throw config_error("Unable to find specified font face '" + p.face_name + "' in font set: '" + p.fontset->get_name() + "'");
}
else
{
throw config_error("No valid font face could be loaded for font set: '" + p.fontset->get_name() + "'");
}
}
else
{
throw config_error("Font set '" + p.fontset->get_name() + "' does not contain any Font face-name entries");
}
}
else if (!p.face_name.empty())
{
throw config_error("Unable to find specified font face '" + p.face_name + "'");
}
else
{
throw config_error("Both font set and face name are empty!");
}
}
faces->set_character_sizes(p.text_size * scale_factor_);
faces->get_string_info(info_, itr->str, &(itr->p));
info_.add_text(itr->str);
}
return info_;
}
} //ns mapnik
Jump to Line
Something went wrong with that request. Please try again.