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+ use vertex_converters

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This commit is contained in:
Artem Pavlenko 2012-04-06 10:10:20 +01:00
parent 738ff501fe
commit e513b4772d
1 changed files with 15 additions and 6 deletions
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21
src/agg/process_polygon_pattern_symbolizer.cpp
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@ -28,7 +28,7 @@
#include <mapnik/marker.hpp>
#include <mapnik/marker_cache.hpp>
#include <mapnik/expression_evaluator.hpp>
#include <mapnik/vertex_converters.hpp>
// agg
#include "agg_basics.h"
#include "agg_rendering_buffer.h"
@ -129,19 +129,28 @@ void agg_renderer<T>::process(polygon_pattern_symbolizer const& sym,
span_gen_type sg(img_src, offset_x, offset_y);
renderer_type rp(renb,sa, sg);
//metawriter_with_properties writer = sym.get_metawriter();
box2d<double> inflated_extent = query_extent_ * 1.1;
typedef boost::mpl::vector<clip_poly_tag,transform_tag> conv_types;
vertex_converter<box2d<double>,rasterizer,polygon_pattern_symbolizer, proj_transform, CoordTransform,conv_types>
converter(inflated_extent,*ras_ptr,sym,t_,prj_trans);
//if (sym.clip())
converter.set<clip_poly_tag>(); //optional clip (default: true)
converter.set<transform_tag>(); //always transform
//if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
for (unsigned i=0;i<num_geometries;++i)
{
geometry_type & geom = feature->get_geometry(i);
if (geom.num_points() > 2)
{
clipped_geometry_type clipped(geom);
clipped.clip_box(query_extent_.minx(),query_extent_.miny(),query_extent_.maxx(),query_extent_.maxy());
path_type path(t_,clipped,prj_trans);
ras_ptr->add_path(path);
//if (writer.first) writer.first->add_polygon(path, *feature, t_, writer.second);
converter.apply(geom);
}
}
agg::render_scanlines(*ras_ptr, sl, rp);
}