allow marker-width and marker-height to apply directly to ellipse rx/ry - maintaining ability to precisely control ellipse dimensions, combine with transforms, and avoid scaling line-widths - refs #1348 and #1347
This commit is contained in:
Dane Springmeyer
parent
e69c6037b7
commit
39a1477eb2
1 changed files with 89 additions and 21 deletions
|
|
@ -32,12 +32,16 @@
|
|||
#include <mapnik/marker_cache.hpp>
|
||||
#include <mapnik/marker_helpers.hpp>
|
||||
#include <mapnik/svg/svg_renderer.hpp>
|
||||
#include <mapnik/svg/svg_storage.hpp>
|
||||
#include <mapnik/svg/svg_converter.hpp>
|
||||
#include <mapnik/svg/svg_path_adapter.hpp>
|
||||
#include <mapnik/svg/svg_path_attributes.hpp>
|
||||
#include <mapnik/markers_placement.hpp>
|
||||
#include <mapnik/markers_symbolizer.hpp>
|
||||
|
||||
// agg
|
||||
#include "agg_basics.h"
|
||||
#include "agg_ellipse.h"
|
||||
#include "agg_rendering_buffer.h"
|
||||
#include "agg_pixfmt_rgba.h"
|
||||
#include "agg_rasterizer_scanline_aa.h"
|
||||
|
|
@ -318,29 +322,92 @@ void agg_renderer<T>::process(markers_symbolizer const& sym,
|
|||
renderer_type,
|
||||
agg::pixfmt_rgba32 > svg_renderer_type;
|
||||
typedef vector_markers_rasterizer_dispatch<buffer_type, svg_renderer_type, rasterizer, detector_type> dispatch_type;
|
||||
box2d<double> const& bbox = (*mark)->bounding_box();
|
||||
setup_label_transform(tr, bbox, feature, sym);
|
||||
coord2d center = bbox.center();
|
||||
agg::trans_affine_translation recenter(-center.x, -center.y);
|
||||
agg::trans_affine marker_trans = recenter * tr;
|
||||
boost::optional<svg_path_ptr> vector_marker = (*mark)->get_vector_data();
|
||||
vertex_stl_adapter<svg_path_storage> stl_storage((*vector_marker)->source());
|
||||
svg_path_adapter svg_path(stl_storage);
|
||||
agg::pod_bvector<path_attributes> attributes;
|
||||
bool result = push_explicit_style( (*vector_marker)->attributes(), attributes, sym);
|
||||
svg_renderer_type svg_renderer(svg_path, result ? attributes : (*vector_marker)->attributes());
|
||||
dispatch_type rasterizer_dispatch(*current_buffer_,svg_renderer,*ras_ptr,
|
||||
bbox, marker_trans, sym, *detector_, scale_factor_);
|
||||
vertex_converter<box2d<double>, dispatch_type, markers_symbolizer,
|
||||
CoordTransform, proj_transform, agg::trans_affine, conv_types>
|
||||
converter(query_extent_* 1.1,rasterizer_dispatch, sym,t_,prj_trans,tr,scale_factor_);
|
||||
if (sym.clip()) converter.template set<clip_line_tag>(); //optional clip (default: true)
|
||||
converter.template set<transform_tag>(); //always transform
|
||||
if (sym.smooth() > 0.0) converter.template set<smooth_tag>(); // optional smooth converter
|
||||
|
||||
BOOST_FOREACH(geometry_type & geom, feature.paths())
|
||||
boost::optional<svg_path_ptr> const& stock_vector_marker = (*mark)->get_vector_data();
|
||||
expression_ptr const& width_expr = sym.get_width();
|
||||
expression_ptr const& height_expr = sym.get_height();
|
||||
|
||||
// special case for simple ellipse markers
|
||||
// to allow for full control over rx/ry dimensions
|
||||
if (filename == "shape://ellipse"
|
||||
&& (width_expr || height_expr))
|
||||
{
|
||||
converter.apply(geom);
|
||||
double width = 0;
|
||||
double height = 0;
|
||||
if (width_expr && height_expr)
|
||||
{
|
||||
width = boost::apply_visitor(evaluate<Feature,value_type>(feature), *width_expr).to_double();
|
||||
height = boost::apply_visitor(evaluate<Feature,value_type>(feature), *height_expr).to_double();
|
||||
}
|
||||
else if (width_expr)
|
||||
{
|
||||
width = boost::apply_visitor(evaluate<Feature,value_type>(feature), *width_expr).to_double();
|
||||
height = width;
|
||||
}
|
||||
else if (height_expr)
|
||||
{
|
||||
height = boost::apply_visitor(evaluate<Feature,value_type>(feature), *height_expr).to_double();
|
||||
width = height;
|
||||
}
|
||||
// create a new marker
|
||||
svg_storage_type marker_ellipse;
|
||||
vertex_stl_adapter<svg_path_storage> stl_storage(marker_ellipse.source());
|
||||
svg_path_adapter svg_path(stl_storage);
|
||||
svg_converter_type styled_svg(svg_path, marker_ellipse.attributes());
|
||||
styled_svg.push_attr();
|
||||
styled_svg.begin_path();
|
||||
agg::ellipse c(0, 0, width/2.0, height/2.0);
|
||||
styled_svg.storage().concat_path(c);
|
||||
styled_svg.end_path();
|
||||
styled_svg.pop_attr();
|
||||
double lox,loy,hix,hiy;
|
||||
styled_svg.bounding_rect(&lox, &loy, &hix, &hiy);
|
||||
marker_ellipse.set_bounding_box(lox,loy,hix,hiy);
|
||||
agg::pod_bvector<path_attributes> attributes;
|
||||
bool result = push_explicit_style( (*stock_vector_marker)->attributes(), attributes, sym);
|
||||
svg_renderer_type svg_renderer(svg_path, result ? attributes : (*stock_vector_marker)->attributes());
|
||||
evaluate_transform(tr, feature, sym.get_image_transform());
|
||||
box2d<double> bbox = marker_ellipse.bounding_box();
|
||||
coord2d center = bbox.center();
|
||||
agg::trans_affine_translation recenter(-center.x, -center.y);
|
||||
agg::trans_affine marker_trans = recenter * tr;
|
||||
dispatch_type rasterizer_dispatch(*current_buffer_,svg_renderer,*ras_ptr,
|
||||
bbox, marker_trans, sym, *detector_, scale_factor_);
|
||||
vertex_converter<box2d<double>, dispatch_type, markers_symbolizer,
|
||||
CoordTransform, proj_transform, agg::trans_affine, conv_types>
|
||||
converter(query_extent_* 1.1,rasterizer_dispatch, sym,t_,prj_trans,tr,scale_factor_);
|
||||
if (sym.clip()) converter.template set<clip_line_tag>(); //optional clip (default: true)
|
||||
converter.template set<transform_tag>(); //always transform
|
||||
if (sym.smooth() > 0.0) converter.template set<smooth_tag>(); // optional smooth converter
|
||||
BOOST_FOREACH(geometry_type & geom, feature.paths())
|
||||
{
|
||||
converter.apply(geom);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
box2d<double> const& bbox = (*mark)->bounding_box();
|
||||
setup_label_transform(tr, bbox, feature, sym);
|
||||
coord2d center = bbox.center();
|
||||
agg::trans_affine_translation recenter(-center.x, -center.y);
|
||||
agg::trans_affine marker_trans = recenter * tr;
|
||||
vertex_stl_adapter<svg_path_storage> stl_storage((*stock_vector_marker)->source());
|
||||
svg_path_adapter svg_path(stl_storage);
|
||||
agg::pod_bvector<path_attributes> attributes;
|
||||
bool result = push_explicit_style( (*stock_vector_marker)->attributes(), attributes, sym);
|
||||
svg_renderer_type svg_renderer(svg_path, result ? attributes : (*stock_vector_marker)->attributes());
|
||||
dispatch_type rasterizer_dispatch(*current_buffer_,svg_renderer,*ras_ptr,
|
||||
bbox, marker_trans, sym, *detector_, scale_factor_);
|
||||
vertex_converter<box2d<double>, dispatch_type, markers_symbolizer,
|
||||
CoordTransform, proj_transform, agg::trans_affine, conv_types>
|
||||
converter(query_extent_* 1.1,rasterizer_dispatch, sym,t_,prj_trans,tr,scale_factor_);
|
||||
if (sym.clip()) converter.template set<clip_line_tag>(); //optional clip (default: true)
|
||||
converter.template set<transform_tag>(); //always transform
|
||||
if (sym.smooth() > 0.0) converter.template set<smooth_tag>(); // optional smooth converter
|
||||
BOOST_FOREACH(geometry_type & geom, feature.paths())
|
||||
{
|
||||
converter.apply(geom);
|
||||
}
|
||||
}
|
||||
}
|
||||
else // raster markers
|
||||
|
|
@ -357,6 +424,7 @@ void agg_renderer<T>::process(markers_symbolizer const& sym,
|
|||
vertex_converter<box2d<double>, dispatch_type, markers_symbolizer,
|
||||
CoordTransform, proj_transform, agg::trans_affine, conv_types>
|
||||
converter(query_extent_* 1.1, rasterizer_dispatch, sym,t_,prj_trans,tr,scale_factor_);
|
||||
|
||||
if (sym.clip()) converter.template set<clip_line_tag>(); //optional clip (default: true)
|
||||
converter.template set<transform_tag>(); //always transform
|
||||
if (sym.smooth() > 0.0) converter.template set<smooth_tag>(); // optional smooth converter
|
||||
|
|
|
|||
Loading…
Reference in a new issue