remove dummy_shaper

This commit is contained in:
artemp 2014-07-21 12:41:31 +01:00
parent 3c2dd839e4
commit eacde4fe43
3 changed files with 2 additions and 97 deletions

View file

@ -1,93 +0,0 @@
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2013 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
*
*****************************************************************************/
#ifndef MAPNIK_DUMMY_SHAPER_HPP
#define MAPNIK_DUMMY_SHAPER_HPP
// mapnik
#include <mapnik/text/text_properties.hpp>
#include <mapnik/text/text_line.hpp>
#include <mapnik/text/face.hpp>
// stl
#include <list>
namespace mapnik
{
struct dummy_shaper
{
/* Dummy shaping limitations:
* - LTR text only
* - Only first font in fontset is used
* - No kerning
* - No complex scripts
*/
static void shape_text(text_line & line,
text_itemizer & itemizer,
std::map<unsigned,double> & width_map,
face_manager_freetype & font_manager,
double scale_factor )
{
unsigned start = line.first_char();
unsigned end = line.last_char();
mapnik::value_unicode_string const& text = itemizer.text();
size_t length = end - start;
if (!length) return;
line.reserve(length);
std::list<text_item> const& list = itemizer.itemize(start, end);
for (auto const& text_item : list)
{
face_set_ptr face_set = font_manager.get_face_set(text_item.format->face_name, text_item.format->fontset);
double size = text_item.format->text_size * scale_factor;
face_set->set_unscaled_character_sizes();
if (face_set->begin() == face_set->end()) return; // Invalid face set
face_ptr face = *(face_set->begin());
FT_Face freetype_face = face->get_face();
for (unsigned i = text_item.start; i < text_item.end; ++i)
{
UChar32 c = text.char32At(i);
glyph_info tmp;
tmp.glyph_index = FT_Get_Char_Index(freetype_face, c);
if (tmp.glyph_index == 0) continue; // Skip unknown characters
face->glyph_dimensions(tmp);
tmp.char_index = i;
tmp.face = face;
tmp.format = text_item.format;
tmp.scale_multiplier = size / face->get_face()->units_per_EM;
tmp.offset.clear();
width_map[i] += tmp.advance();
line.add_glyph(std::move(tmp), scale_factor);
}
line.update_max_char_height(face->get_char_height(size));
}
}
};
} // namespace mapnik
#endif // MAPNIK_DUMMY_SHAPER_HPP

View file

@ -28,8 +28,6 @@
#include <mapnik/text/glyph_info.hpp>
#include <mapnik/text/char_properties_ptr.hpp>
#include <mapnik/text/harfbuzz_shaper.hpp>
#include <mapnik/text/icu_shaper.hpp>
#include <mapnik/text/dummy_shaper.hpp>
#include <mapnik/text/rotation.hpp>
//stl

View file

@ -220,8 +220,8 @@ void text_layout::clear()
itemizer_.clear();
lines_.clear();
width_map_.clear();
width_ = 0.;
height_ = 0.;
width_ = 0.0;
height_ = 0.0;
child_layout_list_.clear();
}