void svg_renderer<T>::process(line_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans)
{
path_attributes_.set_stroke_color(sym.get_stroke().get_color());
path_attributes_.set_stroke_opacity(sym.get_stroke().get_opacity());
path_attributes_.set_stroke_width(sym.get_stroke().get_width());
path_attributes_.set_stroke_linecap(sym.get_stroke().get_line_cap());
path_attributes_.set_stroke_linejoin(sym.get_stroke().get_line_join());
path_attributes_.set_stroke_dasharray(sym.get_stroke().get_dash_array());
path_attributes_.set_stroke_dashoffset(sym.get_stroke().dash_offset());
}
void agg_renderer<T>::process(line_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans)
{
typedef agg::renderer_base<agg::pixfmt_rgba32_plain> ren_base;
typedef coord_transform2<CoordTransform,geometry_type> path_type;
stroke const& stroke_ = sym.get_stroke();
color const& col = stroke_.get_color();
unsigned r=col.red();
unsigned g=col.green();
unsigned b=col.blue();
unsigned a=col.alpha();
agg::rendering_buffer buf(pixmap_.raw_data(),width_,height_, width_ * 4);
agg::pixfmt_rgba32_plain pixf(buf);
if (sym.get_rasterizer() == RASTERIZER_FAST)
{
typedef agg::renderer_outline_aa<ren_base> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
agg::line_profile_aa profile;
//agg::line_profile_aa profile(stroke_.get_width() * scale_factor_, agg::gamma_none());
profile.width(stroke_.get_width() * scale_factor_);
ren_base base_ren(pixf);
renderer_type ren(base_ren, profile);
ren.color(agg::rgba8(r, g, b, int(a*stroke_.get_opacity())));
//ren.clip_box(0,0,width_,height_);
rasterizer_type ras(ren);
ras.line_join(agg::outline_miter_accurate_join);
ras.round_cap(true);
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
ras.add_path(path);
}
}
}
else
{
typedef agg::renderer_scanline_aa_solid<ren_base> renderer;
agg::scanline_p8 sl;
ren_base renb(pixf);
renderer ren(renb);
ras_ptr->reset();
switch (stroke_.get_gamma_method())
{
case GAMMA_POWER:
ras_ptr->gamma(agg::gamma_power(stroke_.get_gamma()));
break;
case GAMMA_LINEAR:
ras_ptr->gamma(agg::gamma_linear(0.0, stroke_.get_gamma()));
break;
case GAMMA_NONE:
ras_ptr->gamma(agg::gamma_none());
break;
case GAMMA_THRESHOLD:
ras_ptr->gamma(agg::gamma_threshold(stroke_.get_gamma()));
break;
case GAMMA_MULTIPLY:
ras_ptr->gamma(agg::gamma_multiply(stroke_.get_gamma()));
break;
default:
ras_ptr->gamma(agg::gamma_power(stroke_.get_gamma()));
}
metawriter_with_properties writer = sym.get_metawriter();
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
if (stroke_.has_dash())
{
agg::conv_dash<path_type> dash(path);
dash_array const& d = stroke_.get_dash_array();
dash_array::const_iterator itr = d.begin();
dash_array::const_iterator end = d.end();
for (;itr != end;++itr)
{
dash.add_dash(itr->first * scale_factor_,
itr->second * scale_factor_);
}
agg::conv_stroke<agg::conv_dash<path_type > > stroke(dash);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
}
else
{
agg::conv_stroke<path_type> stroke(path);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
if (writer.first) writer.first->add_line(path, feature, t_, writer.second);
}
}
}
ren.color(agg::rgba8(r, g, b, int(a*stroke_.get_opacity())));
agg::render_scanlines(*ras_ptr, sl, ren);
}
}
void grid_renderer<T>::process(line_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans)
{
typedef coord_transform2<CoordTransform,geometry_type> path_type;
typedef agg::renderer_base<mapnik::pixfmt_gray16> ren_base;
typedef agg::renderer_scanline_bin_solid<ren_base> renderer;
agg::scanline_bin sl;
grid_rendering_buffer buf(pixmap_.raw_data(), width_, height_, width_);
mapnik::pixfmt_gray16 pixf(buf);
ren_base renb(pixf);
renderer ren(renb);
ras_ptr->reset();
stroke const& stroke_ = sym.get_stroke();
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
if (stroke_.has_dash())
{
agg::conv_dash<path_type> dash(path);
dash_array const& d = stroke_.get_dash_array();
dash_array::const_iterator itr = d.begin();
dash_array::const_iterator end = d.end();
for (;itr != end;++itr)
{
dash.add_dash(itr->first * scale_factor_,
itr->second * scale_factor_);
}
agg::conv_stroke<agg::conv_dash<path_type > > stroke(dash);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
}
else
{
agg::conv_stroke<path_type> stroke(path);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
}
}
}
// render id
ren.color(mapnik::gray16(feature.id()));
agg::render_scanlines(*ras_ptr, sl, ren);
// add feature properties to grid cache
pixmap_.add_feature(feature);
}
static boost::python::tuple
getinitargs(const line_symbolizer& l)
{
return boost::python::make_tuple(l.get_stroke());
}
void operator () (line_symbolizer const& sym)
{
collect_transform(sym.get_transform());
}
void agg_renderer<T>::process(line_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans)
{
typedef agg::renderer_base<agg::pixfmt_rgba32_plain> ren_base;
typedef coord_transform2<CoordTransform,geometry_type> path_type;
typedef agg::renderer_outline_aa<ren_base> renderer_oaa;
typedef agg::rasterizer_outline_aa<renderer_oaa> rasterizer_outline_aa;
typedef agg::renderer_scanline_aa_solid<ren_base> renderer;
agg::rendering_buffer buf(pixmap_.raw_data(),width_,height_, width_ * 4);
agg::pixfmt_rgba32_plain pixf(buf);
ren_base renb(pixf);
stroke const& stroke_ = sym.get_stroke();
color const& col = stroke_.get_color();
unsigned r=col.red();
unsigned g=col.green();
unsigned b=col.blue();
unsigned a=col.alpha();
renderer ren(renb);
ras_ptr->reset();
ras_ptr->gamma(agg::gamma_linear());
agg::scanline_p8 sl;
metawriter_with_properties writer = sym.get_metawriter();
for (unsigned i=0;i<feature.num_geometries();++i)
{
geometry_type const& geom = feature.get_geometry(i);
if (geom.num_points() > 1)
{
path_type path(t_,geom,prj_trans);
if (stroke_.has_dash())
{
agg::conv_dash<path_type> dash(path);
dash_array const& d = stroke_.get_dash_array();
dash_array::const_iterator itr = d.begin();
dash_array::const_iterator end = d.end();
for (;itr != end;++itr)
{
dash.add_dash(itr->first * scale_factor_,
itr->second * scale_factor_);
}
agg::conv_stroke<agg::conv_dash<path_type > > stroke(dash);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
}
else
{
agg::conv_stroke<path_type> stroke(path);
line_join_e join=stroke_.get_line_join();
if ( join == MITER_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == MITER_REVERT_JOIN)
stroke.generator().line_join(agg::miter_join);
else if( join == ROUND_JOIN)
stroke.generator().line_join(agg::round_join);
else
stroke.generator().line_join(agg::bevel_join);
line_cap_e cap=stroke_.get_line_cap();
if (cap == BUTT_CAP)
stroke.generator().line_cap(agg::butt_cap);
else if (cap == SQUARE_CAP)
stroke.generator().line_cap(agg::square_cap);
else
stroke.generator().line_cap(agg::round_cap);
stroke.generator().miter_limit(4.0);
stroke.generator().width(stroke_.get_width() * scale_factor_);
ras_ptr->add_path(stroke);
if (writer.first) writer.first->add_line(path, feature, t_, writer.second);
}
}
}
ren.color(agg::rgba8(r, g, b, int(a*stroke_.get_opacity())));
agg::render_scanlines(*ras_ptr, sl, ren);
}
void agg_renderer<T>::process(line_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
stroke const& stroke_ = sym.get_stroke();
color const& col = stroke_.get_color();
unsigned r=col.red();
unsigned g=col.green();
unsigned b=col.blue();
unsigned a=col.alpha();
ras_ptr->reset();
if (stroke_.get_gamma() != gamma_ || stroke_.get_gamma_method() != gamma_method_)
{
set_gamma_method(stroke_, ras_ptr);
gamma_method_ = stroke_.get_gamma_method();
gamma_ = stroke_.get_gamma();
}
agg::rendering_buffer buf(current_buffer_->raw_data(),current_buffer_->width(),current_buffer_->height(), current_buffer_->width() * 4);
typedef agg::rgba8 color_type;
typedef agg::order_rgba order_type;
typedef agg::comp_op_adaptor_rgba_pre<color_type, order_type> blender_type; // comp blender
typedef agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer> pixfmt_comp_type;
typedef agg::renderer_base<pixfmt_comp_type> renderer_base;
typedef boost::mpl::vector<clip_line_tag, transform_tag,
offset_transform_tag, affine_transform_tag,
simplify_tag, smooth_tag, dash_tag, stroke_tag> conv_types;
pixfmt_comp_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(sym.comp_op()));
renderer_base renb(pixf);
agg::trans_affine tr;
evaluate_transform(tr, feature, sym.get_transform(), scale_factor_);
box2d<double> clip_box = clipping_extent();
if (sym.clip())
{
double padding = (double)(query_extent_.width()/pixmap_.width());
double half_stroke = stroke_.get_width()/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(sym.offset()) > 0)
padding *= std::fabs(sym.offset()) * 1.2;
padding *= scale_factor_;
clip_box.pad(padding);
// debugging
//box2d<double> inverse = query_extent_;
//inverse.pad(-padding);
//draw_geo_extent(inverse,mapnik::color("red"));
}
if (sym.get_rasterizer() == RASTERIZER_FAST)
{
typedef agg::renderer_outline_aa<renderer_base> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
agg::line_profile_aa profile(stroke_.get_width() * scale_factor_, agg::gamma_power(stroke_.get_gamma()));
renderer_type ren(renb, profile);
ren.color(agg::rgba8_pre(r, g, b, int(a*stroke_.get_opacity())));
rasterizer_type ras(ren);
set_join_caps_aa(stroke_,ras);
vertex_converter<box2d<double>, rasterizer_type, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(clip_box,ras,sym,t_,prj_trans,tr,scale_factor_);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (sym.simplify_tolerance() > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
for (geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
}
else
{
vertex_converter<box2d<double>, rasterizer, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(clip_box,*ras_ptr,sym,t_,prj_trans,tr,scale_factor_);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (sym.simplify_tolerance() > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
if (stroke_.has_dash()) converter.set<dash_tag>();
converter.set<stroke_tag>(); //always stroke
for (geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_type;
renderer_type ren(renb);
ren.color(agg::rgba8_pre(r, g, b, int(a * stroke_.get_opacity())));
agg::scanline_u8 sl;
ras_ptr->filling_rule(agg::fill_non_zero);
agg::render_scanlines(*ras_ptr, sl, ren);
}
}
void grid_renderer<T>::process(line_symbolizer const& sym,
mapnik::feature_impl & feature,
proj_transform const& prj_trans)
{
typedef typename grid_renderer_base_type::pixfmt_type pixfmt_type;
typedef typename grid_renderer_base_type::pixfmt_type::color_type color_type;
typedef agg::renderer_scanline_bin_solid<grid_renderer_base_type> renderer_type;
typedef boost::mpl::vector<clip_line_tag, transform_tag,
offset_transform_tag, affine_transform_tag,
simplify_tag, smooth_tag, dash_tag, stroke_tag> conv_types;
agg::scanline_bin sl;
grid_rendering_buffer buf(pixmap_.raw_data(), width_, height_, width_);
pixfmt_type pixf(buf);
grid_renderer_base_type renb(pixf);
renderer_type ren(renb);
ras_ptr->reset();
stroke const& stroke_ = sym.get_stroke();
agg::trans_affine tr;
evaluate_transform(tr, feature, sym.get_transform(), scale_factor_);
box2d<double> clipping_extent = query_extent_;
if (sym.clip())
{
double padding = (double)(query_extent_.width()/pixmap_.width());
double half_stroke = stroke_.get_width()/2.0;
if (half_stroke > 1)
padding *= half_stroke;
if (std::fabs(sym.offset()) > 0)
padding *= std::fabs(sym.offset()) * 1.2;
padding *= scale_factor_;
clipping_extent.pad(padding);
}
vertex_converter<box2d<double>, grid_rasterizer, line_symbolizer,
CoordTransform, proj_transform, agg::trans_affine, conv_types>
converter(clipping_extent,*ras_ptr,sym,t_,prj_trans,tr,scale_factor_);
if (sym.clip()) converter.set<clip_line_tag>(); // optional clip (default: true)
converter.set<transform_tag>(); // always transform
if (std::fabs(sym.offset()) > 0.0) converter.set<offset_transform_tag>(); // parallel offset
converter.set<affine_transform_tag>(); // optional affine transform
if (sym.simplify_tolerance() > 0.0) converter.set<simplify_tag>(); // optional simplify converter
if (sym.smooth() > 0.0) converter.set<smooth_tag>(); // optional smooth converter
if (stroke_.has_dash()) converter.set<dash_tag>();
converter.set<stroke_tag>(); //always stroke
for ( geometry_type & geom : feature.paths())
{
if (geom.size() > 1)
{
converter.apply(geom);
}
}
// render id
ren.color(color_type(feature.id()));
ras_ptr->filling_rule(agg::fill_non_zero);
agg::render_scanlines(*ras_ptr, sl, ren);
// add feature properties to grid cache
pixmap_.add_feature(feature);
}
