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// Pingus - A free Lemmings clone
// Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "pingus/string_format.hpp"
#include <sstream>
#include "engine/display/font.hpp"
#include "util/utf8.hpp"
std::string
StringFormat::break_line (const std::string& text_, int width, const Font& font)
{
std::string text = text_;
UTF8::iterator beg(text);
float line_width = 0;
std::ostringstream out;
UTF8::iterator it(text);
while(it.next())
{
std::string word = UTF8::substr(beg, it+1);
float word_width = font.get_width(word);
if (UTF8::is_linebreak_character(*it))
{
if ((line_width + word_width) > width)
{
out << "\n" << word;
line_width = word_width;
}
else
{
out << word;
line_width += word_width;
}
beg = it+1;
}
else if (*it == '\n')
{
line_width = 0;
}
}
std::string word = UTF8::substr(beg, UTF8::iterator(text, text.end()));
float word_width = font.get_width(word);
if ((line_width + word_width) > width)
{
out << "\n" << word;
}
else
{
out << word;
}
return out.str();
}
/* EOF */
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