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+ use vertex_converters where applicable

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This commit is contained in:
Artem Pavlenko 2012-05-09 15:45:44 +01:00
parent aad7c5e384
commit 953db9b209
1 changed files with 49 additions and 57 deletions
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98
src/cairo_renderer.cpp
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@ -40,6 +40,7 @@
#include <mapnik/warp.hpp>
#include <mapnik/config.hpp>
#include <mapnik/text_path.hpp>
#include <mapnik/vertex_converters.hpp>
// cairo
#include <cairomm/context.h>
@ -51,6 +52,7 @@
#include <boost/make_shared.hpp>
// agg
#include "agg_conv_clip_polyline.h"
#include "agg_conv_clip_polygon.h"
#include "agg_conv_smooth_poly1.h"
@ -59,9 +61,6 @@
#include "agg_path_storage.h"
#include "agg_ellipse.h"
// stl
#include <iostream>
namespace mapnik
{
class cairo_pattern : private boost::noncopyable
@ -814,33 +813,21 @@ void cairo_renderer_base::start_map_processing(Map const& map)
else context.set_operator(src_over);
context.set_color(sym.get_fill(), sym.get_opacity());
box2d<double> inflated_extent = query_extent_ * 1.1;
for (unsigned i = 0; i < feature->num_geometries(); ++i)
typedef boost::mpl::vector<clip_poly_tag,transform_tag,affine_transform_tag,smooth_tag> conv_types;
vertex_converter<box2d<double>,cairo_context,polygon_symbolizer, proj_transform, CoordTransform, conv_types>
converter(query_extent_,context,sym,t_,prj_trans,1.0);
if (sym.clip()) converter.set<clip_poly_tag>(); //optional clip (default: true)
converter.set<transform_tag>(); //always transform
converter.set<affine_transform_tag>();
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
BOOST_FOREACH( geometry_type & geom, feature->paths())
{
geometry_type & geom = feature->get_geometry(i);
if (geom.num_points() > 2)
{
if (sym.smooth() > 0.0)
{
typedef agg::conv_clip_polygon<geometry_type> clipped_geometry_type;
typedef coord_transform2<CoordTransform,clipped_geometry_type> path_type;
typedef agg::conv_smooth_poly1_curve<path_type> smooth_type;
clipped_geometry_type clipped(geom);
clipped.clip_box(inflated_extent.minx(),inflated_extent.miny(),inflated_extent.maxx(),inflated_extent.maxy());
path_type path(t_,clipped,prj_trans);
smooth_type smooth(path);
smooth.smooth_value(sym.smooth());
context.add_agg_path(smooth);
}
else
{
typedef agg::conv_clip_polygon<geometry_type> clipped_geometry_type;
typedef coord_transform2<CoordTransform,clipped_geometry_type> path_type;
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);
context.add_path(path);
}
converter.apply(geom);
}
}
// fill polygon
@ -961,11 +948,8 @@ void cairo_renderer_base::start_map_processing(Map const& map)
mapnik::feature_ptr const& feature,
proj_transform const& prj_trans)
{
typedef agg::conv_clip_polyline<geometry_type> clipped_geometry_type;
typedef coord_transform2<CoordTransform,clipped_geometry_type> path_type;
mapnik::stroke const& stroke_ = sym.get_stroke();
cairo_context context(context_);
mapnik::stroke const& stroke_ = sym.get_stroke();
if (sym.comp_op()) context.set_operator(*sym.comp_op());
else context.set_operator(src_over);
@ -979,20 +963,26 @@ void cairo_renderer_base::start_map_processing(Map const& map)
context.set_dash(stroke_.get_dash_array());
}
for (unsigned i = 0; i < feature->num_geometries(); ++i)
{
geometry_type & geom = feature->get_geometry(i);
typedef boost::mpl::vector<clip_line_tag,transform_tag, offset_transform_tag, affine_transform_tag, smooth_tag> conv_types;
vertex_converter<box2d<double>,cairo_context,line_symbolizer, proj_transform, CoordTransform,conv_types>
converter(query_extent_,context ,sym,t_,prj_trans,1.0);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
BOOST_FOREACH( geometry_type & geom, feature->paths())
{
if (geom.num_points() > 1)
{
//cairo_context context(context_);
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);
context.add_path(path);
converter.apply(geom);
}
}
// stroke
context.stroke();
}
@ -1180,7 +1170,8 @@ void cairo_renderer_base::start_map_processing(Map const& map)
if (sym.comp_op()) context.set_operator(*sym.comp_op());
else context.set_operator(src_over);
while (helper.next()) {
while (helper.next())
{
placements_type &placements = helper.placements();
for (unsigned int ii = 0; ii < placements.size(); ++ii)
{
@ -1273,9 +1264,6 @@ void cairo_renderer_base::start_map_processing(Map const& map)
mapnik::feature_ptr const& feature,
proj_transform const& prj_trans)
{
typedef agg::conv_clip_polygon<geometry_type> clipped_geometry_type;
typedef coord_transform2<CoordTransform,clipped_geometry_type> path_type;
cairo_context context(context_);
if (sym.comp_op()) context.set_operator(*sym.comp_op());
else context.set_operator(src_over);
@ -1290,19 +1278,23 @@ void cairo_renderer_base::start_map_processing(Map const& map)
context.set_pattern(pattern);
for (unsigned i = 0; i < feature->num_geometries(); ++i)
{
geometry_type & geom = feature->get_geometry(i);
typedef boost::mpl::vector<clip_poly_tag,transform_tag,affine_transform_tag,smooth_tag> conv_types;
vertex_converter<box2d<double>,cairo_context,polygon_pattern_symbolizer, proj_transform, CoordTransform, conv_types>
converter(query_extent_,context,sym,t_,prj_trans,1.0);
if (sym.clip()) converter.set<clip_poly_tag>(); //optional clip (default: true)
converter.set<transform_tag>(); //always transform
converter.set<affine_transform_tag>();
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
BOOST_FOREACH( geometry_type & geom, feature->paths())
{
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);
context.add_path(path);
converter.apply(geom);
}
}
}
}
// fill polygon
context.fill();
}