231 lines
7.3 KiB
C++
231 lines
7.3 KiB
C++
#define BOOST_TEST_MODULE path_element_tests
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// boost.test
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#include <boost/test/included/unit_test.hpp>
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// boost.spirit
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#include <boost/spirit/include/karma.hpp>
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// boost.filesystem
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#include <boost/filesystem.hpp>
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// mapnik
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#include <mapnik/map.hpp>
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#include <mapnik/svg_renderer.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/font_engine_freetype.hpp>
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#include <mapnik/filter_factory.hpp>
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#include <mapnik/color_factory.hpp>
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// stl
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#include <fstream>
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#include <iterator>
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namespace filesystem = boost::filesystem;
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using namespace mapnik;
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void prepare_map(Map& m)
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{
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const std::string mapnik_dir("/usr/local/lib/mapnik/");
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std::cout << " looking for 'shape.input' plugin in... " << mapnik_dir << "input/" << "\n";
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datasource_cache::instance()->register_datasources(mapnik_dir + "input/");
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// create styles
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// Provinces (polygon)
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feature_type_style provpoly_style;
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rule provpoly_rule_on;
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provpoly_rule_on.set_filter(parse_expression("[NAME_EN] = 'Ontario'"));
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provpoly_rule_on.append(polygon_symbolizer(color(250, 190, 183)));
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provpoly_style.add_rule(provpoly_rule_on);
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rule provpoly_rule_qc;
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provpoly_rule_qc.set_filter(parse_expression("[NOM_FR] = 'Québec'"));
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provpoly_rule_qc.append(polygon_symbolizer(color(217, 235, 203)));
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provpoly_style.add_rule(provpoly_rule_qc);
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m.insert_style("provinces",provpoly_style);
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// Provinces (polyline)
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feature_type_style provlines_style;
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stroke provlines_stk (color(0,0,0),1.0);
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provlines_stk.add_dash(8, 4);
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provlines_stk.add_dash(2, 2);
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provlines_stk.add_dash(2, 2);
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rule provlines_rule;
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provlines_rule.append(line_symbolizer(provlines_stk));
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provlines_style.add_rule(provlines_rule);
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m.insert_style("provlines",provlines_style);
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// Drainage
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feature_type_style qcdrain_style;
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rule qcdrain_rule;
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qcdrain_rule.set_filter(parse_expression("[HYC] = 8"));
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qcdrain_rule.append(polygon_symbolizer(color(153, 204, 255)));
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qcdrain_style.add_rule(qcdrain_rule);
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m.insert_style("drainage",qcdrain_style);
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// Roads 3 and 4 (The "grey" roads)
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feature_type_style roads34_style;
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rule roads34_rule;
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roads34_rule.set_filter(parse_expression("[CLASS] = 3 or [CLASS] = 4"));
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stroke roads34_rule_stk(color(171,158,137),2.0);
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roads34_rule_stk.set_line_cap(ROUND_CAP);
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roads34_rule_stk.set_line_join(ROUND_JOIN);
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roads34_rule.append(line_symbolizer(roads34_rule_stk));
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roads34_style.add_rule(roads34_rule);
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m.insert_style("smallroads",roads34_style);
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// Roads 2 (The thin yellow ones)
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feature_type_style roads2_style_1;
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rule roads2_rule_1;
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roads2_rule_1.set_filter(parse_expression("[CLASS] = 2"));
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stroke roads2_rule_stk_1(color(171,158,137),4.0);
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roads2_rule_stk_1.set_line_cap(ROUND_CAP);
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roads2_rule_stk_1.set_line_join(ROUND_JOIN);
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roads2_rule_1.append(line_symbolizer(roads2_rule_stk_1));
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roads2_style_1.add_rule(roads2_rule_1);
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m.insert_style("road-border", roads2_style_1);
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feature_type_style roads2_style_2;
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rule roads2_rule_2;
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roads2_rule_2.set_filter(parse_expression("[CLASS] = 2"));
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stroke roads2_rule_stk_2(color(255,250,115),2.0);
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roads2_rule_stk_2.set_line_cap(ROUND_CAP);
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roads2_rule_stk_2.set_line_join(ROUND_JOIN);
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roads2_rule_2.append(line_symbolizer(roads2_rule_stk_2));
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roads2_style_2.add_rule(roads2_rule_2);
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m.insert_style("road-fill", roads2_style_2);
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// Roads 1 (The big orange ones, the highways)
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feature_type_style roads1_style_1;
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rule roads1_rule_1;
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roads1_rule_1.set_filter(parse_expression("[CLASS] = 1"));
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stroke roads1_rule_stk_1(color(188,149,28),7.0);
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roads1_rule_stk_1.set_line_cap(ROUND_CAP);
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roads1_rule_stk_1.set_line_join(ROUND_JOIN);
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roads1_rule_1.append(line_symbolizer(roads1_rule_stk_1));
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roads1_style_1.add_rule(roads1_rule_1);
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m.insert_style("highway-border", roads1_style_1);
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feature_type_style roads1_style_2;
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rule roads1_rule_2;
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roads1_rule_2.set_filter(parse_expression("[CLASS] = 1"));
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stroke roads1_rule_stk_2(color(242,191,36),5.0);
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roads1_rule_stk_2.set_line_cap(ROUND_CAP);
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roads1_rule_stk_2.set_line_join(ROUND_JOIN);
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roads1_rule_2.append(line_symbolizer(roads1_rule_stk_2));
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roads1_style_2.add_rule(roads1_rule_2);
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m.insert_style("highway-fill", roads1_style_2);
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// layers
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// Provincial polygons
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{
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parameters p;
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p["type"]="shape";
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p["file"]="../../../demo/data/boundaries";
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layer lyr("Provinces");
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lyr.set_datasource(datasource_cache::instance()->create(p));
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lyr.add_style("provinces");
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m.addLayer(lyr);
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}
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// Drainage
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{
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parameters p;
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p["type"]="shape";
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p["file"]="../../../demo/data/qcdrainage";
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layer lyr("Quebec Hydrography");
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lyr.set_datasource(datasource_cache::instance()->create(p));
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lyr.add_style("drainage");
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m.addLayer(lyr);
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}
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{
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parameters p;
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p["type"]="shape";
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p["file"]="../../../demo/data/ontdrainage";
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layer lyr("Ontario Hydrography");
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lyr.set_datasource(datasource_cache::instance()->create(p));
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lyr.add_style("drainage");
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m.addLayer(lyr);
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}
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// Provincial boundaries
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{
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parameters p;
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p["type"]="shape";
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p["file"]="../../../demo/data/boundaries_l";
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layer lyr("Provincial borders");
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lyr.set_datasource(datasource_cache::instance()->create(p));
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lyr.add_style("provlines");
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m.addLayer(lyr);
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}
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// Roads
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{
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parameters p;
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p["type"]="shape";
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p["file"]="../../../demo/data/roads";
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layer lyr("Roads");
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lyr.set_datasource(datasource_cache::instance()->create(p));
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lyr.add_style("smallroads");
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lyr.add_style("road-border");
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lyr.add_style("road-fill");
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lyr.add_style("highway-border");
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lyr.add_style("highway-fill");
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m.addLayer(lyr);
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}
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}
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void render_to_file(Map const& m, const std::string output_filename)
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{
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std::ofstream output_stream(output_filename.c_str());
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if(output_stream)
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{
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typedef svg_renderer<std::ostream_iterator<char> > svg_ren;
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std::ostream_iterator<char> output_stream_iterator(output_stream);
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svg_ren renderer(m, output_stream_iterator);
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renderer.apply();
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output_stream.close();
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filesystem::path output_filename_path =
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filesystem::system_complete(filesystem::path(".")) / filesystem::path(output_filename);
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BOOST_CHECK_MESSAGE(filesystem::exists(output_filename_path),
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"File '"+output_filename_path.string()+"' was created.");
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}
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else
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{
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BOOST_FAIL("Could not create create/open file '"+output_filename+"'.");
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}
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}
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BOOST_AUTO_TEST_CASE(path_element_test_case_1)
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{
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Map m(800,600);
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m.set_background(color_factory::from_string("steelblue"));
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prepare_map(m);
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//m.zoom_to_box(box2d<double>(1405120.04127408, -247003.813399447,
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//1706357.31328276, -25098.593149577));
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m.zoom_all();
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render_to_file(m, "path_element_test_case_1.svg");
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}
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