mapnik/src/renderer_common.cpp
Matt Amos efc29649ab Added test for group symbolizer, fixed segfault.
Segfault was due to `glyph_position` structs keeping a pointer to
`glyph_info` objects which went out of scope at a different time.
The (rather ugly) fix for the moment is to copy that information
into the thunk object.
2014-02-18 14:06:05 -05:00

82 lines
3.5 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 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/renderer_common.hpp>
#include <mapnik/label_collision_detector.hpp>
#include <mapnik/map.hpp>
#include <mapnik/request.hpp>
namespace mapnik {
renderer_common::renderer_common(unsigned width, unsigned height, double scale_factor,
CoordTransform &&t, std::shared_ptr<label_collision_detector4> detector)
: width_(width),
height_(height),
scale_factor_(scale_factor),
shared_font_engine_(std::make_shared<freetype_engine>()),
font_engine_(*shared_font_engine_),
font_manager_(font_engine_),
query_extent_(),
t_(t),
detector_(detector)
{}
renderer_common::renderer_common(Map const &m, unsigned offset_x, unsigned offset_y,
unsigned width, unsigned height, double scale_factor)
: renderer_common(width, height, scale_factor,
CoordTransform(m.width(),m.height(),m.get_current_extent(),offset_x,offset_y),
std::make_shared<label_collision_detector4>(
box2d<double>(-m.buffer_size(), -m.buffer_size(),
m.width() + m.buffer_size() ,m.height() + m.buffer_size())))
{}
renderer_common::renderer_common(Map const &m, unsigned offset_x, unsigned offset_y,
unsigned width, unsigned height, double scale_factor,
std::shared_ptr<label_collision_detector4> detector)
: renderer_common(width, height, scale_factor,
CoordTransform(m.width(),m.height(),m.get_current_extent(),offset_x,offset_y),
detector)
{}
renderer_common::renderer_common(request const &req, unsigned offset_x, unsigned offset_y,
unsigned width, unsigned height, double scale_factor)
: renderer_common(width, height, scale_factor,
CoordTransform(req.width(),req.height(),req.extent(),offset_x,offset_y),
std::make_shared<label_collision_detector4>(
box2d<double>(-req.buffer_size(), -req.buffer_size(),
req.width() + req.buffer_size() ,req.height() + req.buffer_size())))
{}
renderer_common::renderer_common(renderer_common const &other)
: width_(other.width_),
height_(other.height_),
scale_factor_(other.scale_factor_),
shared_font_engine_(other.shared_font_engine_),
font_engine_(*shared_font_engine_),
font_manager_(font_engine_),
query_extent_(),
t_(other.t_),
detector_(other.detector_)
{
}
}