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1. datasource is now a property of Layer object.

Browse source 
2. modified python/c++ demos to reflect the above.
3. removed large 'blobby' mapnik.hpp (compilation times!!!)
This commit is contained in:
Artem Pavlenko 2006-10-03 08:44:04 +00:00
parent 88892c196b
commit 8328424af5
19 changed files with 221 additions and 350 deletions
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6
bindings/python/mapnik_datasource_cache.cpp
View file

@ -33,7 +33,7 @@ void export_datasource_cache()
using namespace boost::python;
class_<singleton<datasource_cache,CreateStatic>,boost::noncopyable>("Singleton",no_init)
.def("instance",&singleton<datasource_cache,CreateStatic>::instance,
return_value_policy<reference_existing_object>())
return_value_policy<reference_existing_object>())
.staticmethod("instance")
;
@ -41,7 +41,7 @@ void export_datasource_cache()
boost::noncopyable>("DatasourceCache",no_init)
.def("create",&datasource_cache::create)
.staticmethod("create")
.def("register_datasources",&datasource_cache::register_datasources)
.staticmethod("register_datasources")
.def("register_datasources",&datasource_cache::register_datasources)
.staticmethod("register_datasources")
;
}

37
bindings/python/mapnik_envelope.cpp
View file

@ -60,29 +60,32 @@ bool (Envelope<double>::*intersects_p3)(Envelope<double> const&) const = &Envelo
void export_envelope()
{
using namespace boost::python;
class_<Envelope<double> >("Envelope","A spacial envelope (i.e. bounding box) which also defines some basic operators.",init<double,double,double,double>())
class_<Envelope<double> >("Envelope",
"A spacial envelope (i.e. bounding box) "
"which also defines some basic operators." ,
init<double,double,double,double>())
.def(init<>())
.def(init<const coord<double,2>&, const coord<double,2>&>())
.def(init<const coord<double,2>&, const coord<double,2>&>())
.add_property("minx",&Envelope<double>::minx, "X coordinate for the lower left corner")
.add_property("miny",&Envelope<double>::miny, "Y coordinate for the lower left corner")
.add_property("maxx",&Envelope<double>::maxx, "X coordinate for the upper right corner")
.add_property("maxy",&Envelope<double>::maxy, "Y coordinate for the upper right corner")
.def("center",&Envelope<double>::center)
.def("center",&Envelope<double>::re_center)
.def("width",width_p1)
.def("width",width_p2)
.def("height",height_p1)
.def("height",height_p2)
.def("expand_to_include",expand_to_include_p1)
.def("expand_to_include",expand_to_include_p2)
.def("expand_to_include",expand_to_include_p3)
.def("contains",contains_p1)
.def("contains",contains_p2)
.def("contains",contains_p3)
.def("intersects",intersects_p1)
.def("intersects",intersects_p2)
.def("intersects",intersects_p3)
.def(self == self)
.def("center",&Envelope<double>::re_center)
.def("width",width_p1)
.def("width",width_p2)
.def("height",height_p1)
.def("height",height_p2)
.def("expand_to_include",expand_to_include_p1)
.def("expand_to_include",expand_to_include_p2)
.def("expand_to_include",expand_to_include_p3)
.def("contains",contains_p1)
.def("contains",contains_p2)
.def("contains",contains_p3)
.def("intersects",intersects_p1)
.def("intersects",intersects_p2)
.def("intersects",intersects_p3)
.def(self == self)
.def_pickle(envelope_pickle_suite())
;
}

1
bindings/python/mapnik_filter.cpp
View file

@ -28,7 +28,6 @@
#include <regex_filter.hpp>
#include <filter.hpp>
#include <filter_factory.hpp>
#include <mapnik.hpp>
using mapnik::filter;
using mapnik::filter_ptr;

119
bindings/python/mapnik_layer.cpp
View file

@ -30,76 +30,6 @@
using mapnik::Layer;
using mapnik::parameters;
struct layer_pickle_suite : boost::python::pickle_suite
{
static boost::python::tuple
getinitargs(const Layer& l)
{
using namespace boost::python;
return boost::python::make_tuple(l.params());
}
static boost::python::tuple
getstate(const Layer& l)
{
using namespace boost::python;
std::vector<std::string> const& styles=l.styles();
std::vector<std::string>::const_iterator itr=styles.begin();
boost::python::list py_styles;
while (itr!=styles.end())
{
py_styles.append(*itr++);
}
return boost::python::make_tuple(l.getMinZoom(),
l.getMaxZoom(),
py_styles);
}
static void
setstate (Layer& l, boost::python::tuple state)
{
using namespace boost::python;
if (len(state) != 3)
{
PyErr_SetObject(PyExc_ValueError,
("expected 3-item tuple in call to __setstate__; got %s"
% state).ptr()
);
throw_error_already_set();
}
l.setMinZoom(extract<double>(state[0]));
l.setMaxZoom(extract<double>(state[1]));
boost::python::list styles=extract<boost::python::list>(state[2]);
for (int i=0;i<len(styles);++i)
{
l.add_style(extract<std::string>(styles[i]));
}
}
};
namespace
{
//user-friendly wrapper that uses Python dictionary
using namespace boost::python;
Layer create_layer(const dict& d)
{
parameters params;
boost::python::list keys=d.keys();
for (int i=0;i<len(keys);++i)
{
std::string key=extract<std::string>(keys[i]);
std::string value=extract<std::string>(d[key]);
params[key] = value;
}
return Layer(params);
}
}
void export_layer()
{
using namespace boost::python;
@ -107,17 +37,42 @@ void export_layer()
.def(vector_indexing_suite<std::vector<std::string>,true >())
;
class_<Layer>("Layer","A map layer.",no_init)
.def("name",&Layer::name,return_value_policy<copy_const_reference>(), "Return the name of the layer.")
.def("title",&Layer::title,return_value_policy<copy_const_reference>(), "Return the title of the layer.")
.def("abstract",&Layer::abstract,return_value_policy<copy_const_reference>(), "Return the abstract of the layer.")
.def("params",&Layer::params,return_value_policy<reference_existing_object>(), "The configuration parameters of the layer. These vary depending on the type of data source.")
.def("envelope",&Layer::envelope, "Return the geographic envelope/bounding box of the data in the layer.")
.add_property("minzoom",&Layer::getMinZoom,&Layer::setMinZoom)
.add_property("maxzoom",&Layer::getMaxZoom,&Layer::setMaxZoom)
.add_property("styles",make_function
(&Layer::styles,return_value_policy<reference_existing_object>()))
.def_pickle(layer_pickle_suite())
class_<Layer>("Layer","A map layer.", init<std::string const&>())
.add_property("name",
make_function(&Layer::name, return_value_policy<reference_existing_object>()),
&Layer::set_name,
"Get/Set the name of the layer.")
.add_property("title",
make_function(&Layer::title, return_value_policy<reference_existing_object>()),
&Layer::set_title,
"Get/Set the title of the layer.")
.add_property("abstract",
make_function(&Layer::abstract,return_value_policy<reference_existing_object>()),
&Layer::set_abstract,
"Get/Set the abstract of the layer.")
.add_property("minzoom",
&Layer::getMinZoom,
&Layer::setMinZoom)
.add_property("maxzoom",
&Layer::getMaxZoom,
&Layer::setMaxZoom)
.add_property("styles",
make_function(&Layer::styles,
return_value_policy<reference_existing_object>()))
.add_property("datasource",
&Layer::datasource,
&Layer::set_datasource,
"The datasource attached to this layer")
.def("envelope",&Layer::envelope,
"Return the geographic envelope/bounding box "
"of the data in the layer.")
;
def("CreateLayer",&create_layer);
}

41
bindings/python/mapnik_python.cpp
View file

@ -25,8 +25,6 @@
#include <boost/get_pointer.hpp>
#include <boost/python/detail/api_placeholder.hpp>
//#include <mapnik.hpp>
void export_color();
void export_layer();
void export_parameters();
@ -49,12 +47,10 @@ void export_raster_symbolizer();
void export_text_symbolizer();
void export_font_engine();
//using namespace mapnik;
#include <map.hpp>
#include <agg_renderer.hpp>
#include <graphics.hpp>
//#include <filter.hpp>
//#include <coord.hpp>
#include <datasource_cache.hpp>
void render_to_file(const mapnik::Map& map,
const std::string& file,
@ -72,6 +68,25 @@ void render(const mapnik::Map& map,mapnik::Image32& image)
ren.apply();
}
namespace
{
//user-friendly wrapper that uses Python dictionary
using namespace boost::python;
boost::shared_ptr<mapnik::datasource> create_datasource(const dict& d)
{
mapnik::parameters params;
boost::python::list keys=d.keys();
for (int i=0; i<len(keys); ++i)
{
std::string key=extract<std::string>(keys[i]);
std::string value=extract<std::string>(d[key]);
params[key] = value;
}
return mapnik::datasource_cache::create(params);
}
}
BOOST_PYTHON_MODULE(_mapnik)
{
using namespace boost::python;
@ -87,11 +102,16 @@ BOOST_PYTHON_MODULE(_mapnik)
;
class_<datasource,boost::shared_ptr<datasource>,
boost::noncopyable>("Datasource",no_init)
.def("envelope",&datasource::envelope,
return_value_policy<reference_existing_object>())
.def("features",&datasource::features)
;
boost::noncopyable>("Datasource",no_init)
.def("envelope",&datasource::envelope,
return_value_policy<reference_existing_object>())
.def("features",&datasource::features)
.def("params",&datasource::params,return_value_policy<reference_existing_object>(),
"The configuration parameters of the data source. "
"These vary depending on the type of data source.")
;
def("CreateDatasource",&create_datasource);
export_parameters();
export_color();
@ -111,6 +131,7 @@ BOOST_PYTHON_MODULE(_mapnik)
export_raster_symbolizer();
export_text_symbolizer();
export_font_engine();
class_<coord<double,2> >("Coord",init<double,double>())
.def_readwrite("x", &coord<double,2>::x)
.def_readwrite("y", &coord<double,2>::y)

12
bindings/python/mapnik_style.cpp
View file

@ -34,13 +34,13 @@ void export_style()
using mapnik::rules;
class_<rules>("Rules",init<>("default ctor"))
.def(vector_indexing_suite<rules>())
;
.def(vector_indexing_suite<rules>())
;
class_<feature_type_style>("Style",init<>("default style constructor"))
.add_property("rules",make_function
(&feature_type_style::get_rules,
return_value_policy<reference_existing_object>()))
;
.add_property("rules",make_function
(&feature_type_style::get_rules,
return_value_policy<reference_existing_object>()))
;
}

41
demo/c++/rundemo.cpp
View file

@ -1,5 +1,13 @@
#include <mapnik.hpp>
#include <map.hpp>
#include <datasource_cache.hpp>
#include <font_engine_freetype.hpp>
#include <agg_renderer.hpp>
#include <filter_factory.hpp>
#include <color_factory.hpp>
#include <image_util.hpp>
#include <iostream>
using namespace mapnik;
@ -133,11 +141,11 @@ int main ( int argc , char** argv)
// Provincial polygons
{
parameters p;
p["name"]="Provinces";
p["type"]="shape";
p["file"]="../data/boundaries";
Layer lyr(p);
Layer lyr("Provinces");
lyr.set_datasource(datasource_cache::instance()->create(p));
lyr.add_style("provinces");
m.addLayer(lyr);
}
@ -145,21 +153,21 @@ int main ( int argc , char** argv)
// Drainage
{
parameters p;
p["name"]="Quebec Hydrography";
p["type"]="shape";
p["file"]="../data/qcdrainage";
Layer lyr(p);
Layer lyr("Quebec Hydrography");
lyr.set_datasource(datasource_cache::instance()->create(p));
lyr.add_style("drainage");
m.addLayer(lyr);
}
{
parameters p;
p["name"]="Ontario Hydrography";
p["type"]="shape";
p["file"]="../data/ontdrainage";
Layer lyr(p);
Layer lyr("Ontario Hydrography");
lyr.set_datasource(datasource_cache::instance()->create(p));
lyr.add_style("drainage");
m.addLayer(lyr);
}
@ -167,11 +175,10 @@ int main ( int argc , char** argv)
// Provincial boundaries
{
parameters p;
p["name"]="Provincial borders";
p["type"]="shape";
p["file"]="../data/boundaries_l";
Layer lyr(p);
Layer lyr("Provincial borders");
lyr.set_datasource(datasource_cache::instance()->create(p));
lyr.add_style("provlines");
m.addLayer(lyr);
}
@ -179,29 +186,29 @@ int main ( int argc , char** argv)
// Roads
{
parameters p;
p["name"]="Roads";
p["type"]="shape";
p["file"]="../data/roads";
Layer lyr(p);
Layer lyr("Roads");
lyr.set_datasource(datasource_cache::instance()->create(p));
lyr.add_style("smallroads");
lyr.add_style("road-border");
lyr.add_style("road-fill");
lyr.add_style("highway-border");
lyr.add_style("highway-fill");
m.addLayer(lyr);
}
// popplaces
{
parameters p;
p["name"]="Populated Places";
p["type"]="shape";
p["file"]="../data/popplaces";
Layer lyr(p);
Layer lyr("Populated Places");
lyr.set_datasource(datasource_cache::instance()->create(p));
lyr.add_style("popplaces");
m.addLayer(lyr);
}
m.zoomToBox(Envelope<double>(1405120.04127408,-247003.813399447,1706357.31328276,-25098.593149577));
Image32 buf(m.getWidth(),m.getHeight());

34
demo/python/rundemo.py
View file

@ -55,7 +55,8 @@ m.background = Color('white')
# password='mypassword'
# table= TODO
provpoly_lyr = Layer(name='Provinces', type='shape', file='../data/boundaries')
provpoly_lyr = Layer('Provinces')
provpoly_lyr.datasource = Datasource(type='shape', file='../data/boundaries')
# We then define a style for the layer. A layer can have one or many styles.
# Styles are named, so they can be shared across different layers.
@ -118,8 +119,10 @@ m.layers.append(provpoly_lyr)
# A simple example ...
qcdrain_lyr = Layer(name='Quebec Hydrography', type='shape',
file='../data/qcdrainage')
qcdrain_lyr = Layer('Quebec Hydrography')
qcdrain_lyr.datasource = Datasource( type='shape',
file='../data/qcdrainage')
qcdrain_style = Style()
qcdrain_rule = Rule()
@ -135,15 +138,18 @@ m.layers.append(qcdrain_lyr)
# attributes, and same desired style), so we're going to
# re-use the style defined in the above layer for the next one.
ondrain_lyr = Layer(name='Ontario Hydrography', type='shape',
file='../data/ontdrainage')
ondrain_lyr = Layer('Ontario Hydrography')
ondrain_lyr.datasource = Datasource(type='shape',
file='../data/ontdrainage')
ondrain_lyr.styles.append('drainage')
m.layers.append(ondrain_lyr)
# Provincial boundaries
provlines_lyr = Layer(name='Provincial borders', type='shape',
file='../data/boundaries_l')
provlines_lyr = Layer('Provincial borders')
provlines_lyr.datasource = Datasource (type='shape',
file='../data/boundaries_l')
# Here we define a "dash dot dot dash" pattern for the provincial boundaries.
@ -165,7 +171,8 @@ m.layers.append(provlines_lyr)
# Roads 3 and 4 (The "grey" roads)
roads34_lyr = Layer(name='Roads', type='shape', file='../data/roads')
roads34_lyr = Layer('Roads')
roads34_lyr.datasource = Datasource(type='shape', file='../data/roads')
roads34_style = Style()
roads34_rule = Rule()
@ -195,7 +202,8 @@ m.layers.append(roads34_lyr)
# Roads 2 (The thin yellow ones)
roads2_lyr = Layer(name='Roads', type='shape', file='../data/roads')
roads2_lyr = Layer('Roads')
roads2_lyr.datasource = Datasource (type='shape', file='../data/roads')
roads2_style_1 = Style()
roads2_rule_1 = Rule()
@ -228,7 +236,8 @@ m.layers.append(roads2_lyr)
# Roads 1 (The big orange ones, the highways)
roads1_lyr = Layer(name='Roads', type='shape', file='../data/roads')
roads1_lyr = Layer('Roads')
roads1_lyr.datasource = Datasource(type='shape', file='../data/roads')
roads1_style_1 = Style()
roads1_rule_1 = Rule()
@ -260,8 +269,9 @@ m.layers.append(roads1_lyr)
# Populated Places
popplaces_lyr = Layer(name='Populated Places', type='shape',
file='../data/popplaces')
popplaces_lyr = Layer('Populated Places')
popplaces_lyr.datasource = Datasource (type='shape',
file='../data/popplaces')
popplaces_style = Style()
popplaces_rule = Rule()

25
include/color_factory.hpp
View file

@ -25,6 +25,7 @@
#ifndef COLOR_FACTORY_HPP
#define COLOR_FACTORY_HPP
#include "config.hpp"
#include "css_color_parser.hpp"
namespace mapnik
@ -33,19 +34,19 @@ namespace mapnik
class MAPNIK_DECL color_factory
{
public:
static Color from_string(char const* css_color)
{
Color color;
actions<Color> a(color);
css_color_grammar<actions<Color> > grammar(a);
parse_info<> info = parse(css_color, grammar, space_p);
if (info.full) return color;
return Color(0,0,0);
}
static Color from_string(char const* css_color)
{
Color color;
actions<Color> a(color);
css_color_grammar<actions<Color> > grammar(a);
parse_info<> info = parse(css_color, grammar, space_p);
if (info.full) return color;
return Color(0,0,0);
}
private:
color_factory();
color_factory(color_factory const&);
color_factory& operator=(color_factory const&);
color_factory();
color_factory(color_factory const&);
color_factory& operator=(color_factory const&);
};
}

36
include/filter_factory.hpp
View file

@ -35,24 +35,26 @@ namespace mapnik
class MAPNIK_DECL filter_factory
{
public:
static filter_ptr compile(string const& str)
{
stack<shared_ptr<filter<FeatureT> > > filters;
stack<shared_ptr<expression<FeatureT> > > exps;
filter_grammar<FeatureT> grammar(filters,exps);
char const *text = str.c_str();
parse_info<> info = parse(text,text+strlen(text),grammar,space_p);
if (info.full && !filters.empty())
{
return filters.top();
}
else
{
clog << "failed at :" << info.stop << "\n";
return filter_ptr(new none_filter<FeatureT>());
}
}
static filter_ptr compile(string const& str)
{
stack<shared_ptr<filter<FeatureT> > > filters;
stack<shared_ptr<expression<FeatureT> > > exps;
filter_grammar<FeatureT> grammar(filters,exps);
char const *text = str.c_str();
parse_info<> info = parse(text,text+strlen(text),grammar,space_p);
if (info.full && !filters.empty())
{
return filters.top();
}
else
{
clog << "failed at :" << info.stop << "\n";
return filter_ptr(new none_filter<FeatureT>());
}
}
};
MAPNIK_DECL filter_ptr create_filter (std::string const& wkt);
}
#endif //FILTER_FACTORY_HPP

2
include/filter_parser.hpp
View file

@ -42,7 +42,7 @@
#include "expression.hpp"
#include "filter.hpp"
#include "regex_filter.hpp"
#include "logical.hpp"
using namespace boost::spirit;
using std::string;

18
include/layer.hpp
View file

@ -15,11 +15,10 @@
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* #include <boost/serialization/serialization.hpp>
License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id: layer.hpp 39 2005-04-10 20:39:53Z pavlenko $
#ifndef LAYER_HPP
@ -34,7 +33,6 @@ namespace mapnik
{
class MAPNIK_DECL Layer
{
parameters params_;
std::string name_;
std::string title_;
std::string abstract_;
@ -50,12 +48,10 @@ namespace mapnik
mutable datasource_p ds_;
public:
Layer();
explicit Layer(const parameters& params);
explicit Layer(std::string const& name);
Layer(Layer const& l);
Layer& operator=(Layer const& l);
bool operator==(Layer const& other) const;
parameters const& params() const;
void set_name(std::string const& name);
const std::string& name() const;
void set_title(std::string const& title);
@ -79,9 +75,9 @@ namespace mapnik
std::vector<boost::shared_ptr<Feature> >& selection() const;
void clear_selection() const;
void set_datasource(datasource_p const& ds);
datasource_p const& datasource() const;
datasource_p datasource() const;
Envelope<double> envelope() const;
virtual ~Layer();
~Layer();
private:
void swap(const Layer& other);
};

4
include/map.hpp
View file

@ -44,7 +44,7 @@ namespace mapnik
public:
typedef std::map<std::string,feature_type_style>::const_iterator style_iterator;
typedef std::map<std::string,feature_type_style>::const_iterator style_iterator;
Map();
Map(int width,int height,int srid=-1);
@ -76,7 +76,7 @@ namespace mapnik
void pan_and_zoom(int x,int y,double zoom);
const Envelope<double>& getCurrentExtent() const;
double scale() const;
virtual ~Map();
~Map();
private:
void fixAspectRatio();
};

84
include/mapnik.hpp
View file

@ -1,84 +0,0 @@
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 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
*
*****************************************************************************/
//$Id: mapnik.hpp 39 2005-04-10 20:39:53Z pavlenko $
#ifndef MAPNIK_HPP
#define MAPNIK_HPP
#include <map>
#include <vector>
#include <cassert>
#include "global.hpp"
#include "factory.hpp"
#include "filter.hpp"
#include "query.hpp"
#include "rule.hpp"
#include "spatial.hpp"
#include "logical.hpp"
#include "comparison.hpp"
#include "regex_filter.hpp"
#include "utils.hpp"
#include "geometry.hpp"
#include "geom_util.hpp"
#include "raster.hpp"
#include "feature.hpp"
#include "attribute.hpp"
#include "attribute_collector.hpp"
#include "graphics.hpp"
#include "image_reader.hpp"
#include "line_symbolizer.hpp"
#include "polygon_symbolizer.hpp"
#include "agg_renderer.hpp"
#include "polygon_pattern_symbolizer.hpp"
#include "line_pattern_symbolizer.hpp"
#include "point_symbolizer.hpp"
#include "raster_symbolizer.hpp"
#include "text_symbolizer.hpp"
#include "image_util.hpp"
#include "datasource.hpp"
#include "layer.hpp"
#include "datasource_cache.hpp"
#include "wkb.hpp"
#include "map.hpp"
#include "feature_type_style.hpp"
#include "feature_factory.hpp"
#include "math_expr.hpp"
#include "value.hpp"
#include "expression.hpp"
#include "filter_visitor.hpp"
#include "filter_parser.hpp"
#include "filter_factory.hpp"
#include "text_symbolizer.hpp"
#include "label_placement.hpp"
#include "feature_layer_desc.hpp"
#include "css_color_parser.hpp"
#include "color_factory.hpp"
#include "config.hpp"
namespace mapnik
{
MAPNIK_DECL filter_ptr create_filter (std::string const& wkt);
}
#endif //MAPNIK_HPP

1
src/SConscript
View file

@ -32,7 +32,6 @@ linkflags = '-Wl,-rpath-link,. -Wl,-soname,libmapnik.so'
source = Split(
"""
mapnik.cpp
datasource_cache.cpp
envelope.cpp
graphics.cpp

16
src/datasource_cache.cpp
View file

@ -1,4 +1,4 @@
/*****************************************************************************
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
@ -75,26 +75,26 @@ namespace mapnik
}
std::clog<<"datasource="<<ds<<" type="<<type<<std::endl;
}
catch (datasource_exception& ex)
{
std::clog<<ex.what()<<std::endl;
}
catch (datasource_exception& ex)
{
std::clog<<ex.what()<<std::endl;
}
catch (...)
{
std::clog<<"exception caught "<<std::endl;
std::clog<<" exception caught\n";
}
return ds;
}
bool datasource_cache::insert(const std::string& type,const lt_dlhandle module)
{
return plugins_.insert(make_pair(type,boost::shared_ptr<PluginInfo>(new PluginInfo(type,module)))).second;
return plugins_.insert(make_pair(type,boost::shared_ptr<PluginInfo>(new PluginInfo(type,module)))).second;
}
void datasource_cache::register_datasources(const std::string& str)
{
mutex::scoped_lock lock(mapnik::singleton<mapnik::datasource_cache,
mapnik::CreateStatic>::mutex_);
mapnik::CreateStatic>::mutex_);
filesystem::path path(str);
filesystem::directory_iterator end_itr;
if (exists(path))

5
src/mapnik.cpp → src/filter_factory.cpp
View file

@ -19,10 +19,9 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id$
#include "mapnik.hpp"
#include "filter_factory.hpp"
namespace mapnik
{
@ -32,5 +31,3 @@ namespace mapnik
return factory.compile(wkt);
}
}

67
src/layer.cpp
View file

@ -34,9 +34,8 @@
namespace mapnik
{
using namespace std;
Layer::Layer()
: params_(),
name_("unknown"),
Layer::Layer(std::string const& name)
: name_(name),
title_(""),
abstract_(""),
minZoom_(0),
@ -46,30 +45,17 @@ namespace mapnik
selection_style_("default_selection")
{}
Layer::Layer(const parameters& params)
:params_(params),
name_(params_["name"]),
title_(params_["title"]),
abstract_(params_["abstract"]),
minZoom_(0),
maxZoom_(std::numeric_limits<double>::max()),
active_(true),
selectable_(false),
selection_style_("default_selection")
{}
Layer::Layer(const Layer& rhs)
:params_(rhs.params_),
name_(rhs.name_),
title_(rhs.title_),
abstract_(rhs.abstract_),
minZoom_(rhs.minZoom_),
maxZoom_(rhs.maxZoom_),
active_(rhs.active_),
selectable_(rhs.selectable_),
ds_(rhs.ds_),
styles_(rhs.styles_),
selection_style_(rhs.selection_style_) {}
: name_(rhs.name_),
title_(rhs.title_),
abstract_(rhs.abstract_),
minZoom_(rhs.minZoom_),
maxZoom_(rhs.maxZoom_),
active_(rhs.active_),
selectable_(rhs.selectable_),
styles_(rhs.styles_),
ds_(rhs.ds_),
selection_style_(rhs.selection_style_) {}
Layer& Layer::operator=(const Layer& rhs)
{
@ -85,7 +71,6 @@ namespace mapnik
void Layer::swap(const Layer& rhs)
{
params_=rhs.params_;
name_=rhs.name_;
title_=rhs.title_;
abstract_=rhs.abstract_;
@ -93,18 +78,13 @@ namespace mapnik
maxZoom_=rhs.maxZoom_;
active_=rhs.active_;
selectable_=rhs.selectable_;
ds_=rhs.ds_;
styles_=rhs.styles_;
ds_=rhs.ds_;
selection_style_=rhs.selection_style_;
}
Layer::~Layer() {}
parameters const& Layer::params() const
{
return params_;
}
void Layer::set_name( std::string const& name)
{
name_ = name;
@ -190,22 +170,11 @@ namespace mapnik
return selectable_;
}
const datasource_p& Layer::datasource() const
datasource_p Layer::datasource() const
{
if (!ds_)
{
try
{
ds_=datasource_cache::instance()->create(params_);
}
catch (...)
{
std::clog << "exception caught : can not create datasource" << std::endl;
}
}
return ds_;
}
// TODO: !!!!
void Layer::set_datasource(datasource_p const& ds)
{
ds_ = ds;
@ -213,11 +182,7 @@ namespace mapnik
Envelope<double> Layer::envelope() const
{
datasource_p const& ds = datasource();
if (ds)
{
return ds->envelope();
}
if (ds_) return ds_->envelope();
return Envelope<double>();
}