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+ impl converter_traits for 'transform_tag'

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+ support proj_transform and CoordTransform as args
This commit is contained in:
Artem Pavlenko 2012-04-03 16:29:27 +01:00
parent 347fce4db2
commit 030650f949
1 changed files with 39 additions and 16 deletions
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55
include/mapnik/vertex_converters.hpp
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@ -54,10 +54,10 @@
namespace mapnik {
struct transform {};
struct clip_line {};
struct clip_poly {};
struct smooth {};
struct transform_tag {};
struct clip_line_tag {};
struct clip_poly_tag {};
struct smooth_tag {};
namespace detail {
@ -74,7 +74,7 @@ struct converter_traits
};
template <typename T>
struct converter_traits<T,mapnik::smooth>
struct converter_traits<T,mapnik::smooth_tag>
{
typedef T geometry_type;
typedef typename agg::conv_smooth_poly1_curve<geometry_type> conv_type;
@ -86,9 +86,9 @@ struct converter_traits<T,mapnik::smooth>
}
};
/*
template <typename T>
struct converter_traits<T, mapnik::clip_line>
struct converter_traits<T, mapnik::clip_line_tag>
{
typedef T geometry_type;
typedef typename agg::conv_clip_polyline<geometry_type> conv_type;
@ -100,10 +100,10 @@ struct converter_traits<T, mapnik::clip_line>
geom.clip_box(box.x0,box.y0,box.x1,box.y1);
}
};
*/
template <typename T>
struct converter_traits<T,mapnik::clip_poly>
struct converter_traits<T,mapnik::clip_poly_tag>
{
typedef T geometry_type;
typedef typename agg::conv_clip_polygon<geometry_type> conv_type;
@ -112,7 +112,24 @@ struct converter_traits<T,mapnik::clip_poly>
static void setup(geometry_type & geom, Args & args)
{
typename boost::mpl::at<Args,boost::mpl::int_<0> >::type const& box = boost::fusion::at_c<0>(args);
geom.clip_box(box.x0,box.y0,box.x1,box.y1);
geom.clip_box(box.minx(),box.miny(),box.maxx(),box.maxy());
}
};
template <typename T>
struct converter_traits<T,mapnik::transform_tag>
{
typedef T geometry_type;
typedef coord_transform2<CoordTransform, geometry_type> conv_type;
template <typename Args>
static void setup(geometry_type & geom, Args & args)
{
typename boost::mpl::at<Args,boost::mpl::int_<3> >::type const& tr = boost::fusion::at_c<3>(args);
typename boost::mpl::at<Args,boost::mpl::int_<4> >::type const& prj_trans = boost::fusion::at_c<4>(args);
geom.set_proj_trans(prj_trans);
geom.set_trans(tr);
}
};
@ -196,23 +213,29 @@ struct dispatcher
template <typename B, typename R, typename S, typename C>
template <typename B, typename R, typename S, typename P, typename T, typename C >
struct vertex_converter : private boost::noncopyable
{
typedef C conv_types;
typedef B bbox_type;
typedef R rasterizer_type;
typedef S symbolizer_type;
typedef typename boost::fusion::vector3
typedef P proj_trans_type;
typedef T trans_type;
typedef typename boost::fusion::vector
<
bbox_type const&,
rasterizer_type&,
symbolizer_type const&
symbolizer_type const&,
trans_type const&,
proj_trans_type const&
> args_type;
vertex_converter(bbox_type const& b, rasterizer_type & ras, symbolizer_type const& sym)
: disp_(args_type(boost::cref(b),boost::ref(ras),boost::cref(sym))) {}
vertex_converter(bbox_type const& b, rasterizer_type & ras,
symbolizer_type const& sym, trans_type & tr, proj_trans_type const& prj_trans)
: disp_(args_type(boost::cref(b),boost::ref(ras),
boost::cref(sym),boost::cref(tr),
boost::cref(prj_trans))) {}
template <typename Geometry>
void apply(Geometry & geom)