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 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);
}
