virtual void operator()(vector_marker_render_thunk const& thunk)
    {
        using blender_type = agg::comp_op_adaptor_rgba_pre<agg::rgba8, agg::order_rgba>; // comp blender
        using buf_type = agg::rendering_buffer;
        using pixfmt_comp_type = agg::pixfmt_custom_blend_rgba<blender_type, buf_type>;
        using renderer_base = agg::renderer_base<pixfmt_comp_type>;
        using renderer_type = agg::renderer_scanline_aa_solid<renderer_base>;
        using svg_attribute_type = agg::pod_bvector<svg::path_attributes>;
        using svg_renderer_type = svg::svg_renderer_agg<svg_path_adapter,
                                                        svg_attribute_type,
                                                        renderer_type,
                                                        pixfmt_comp_type>;
        ras_ptr_->reset();
        buf_type render_buffer(buf_->bytes(), buf_->width(), buf_->height(), buf_->row_size());
        pixfmt_comp_type pixf(render_buffer);
        pixf.comp_op(static_cast<agg::comp_op_e>(thunk.comp_op_));
        renderer_base renb(pixf);
        svg::vertex_stl_adapter<svg::svg_path_storage> stl_storage(thunk.src_->source());
        svg_path_adapter svg_path(stl_storage);
        svg_renderer_type svg_renderer(svg_path, thunk.attrs_);

        agg::trans_affine offset_tr = thunk.tr_;
        offset_tr.translate(offset_.x, offset_.y);
        render_vector_marker(svg_renderer, *ras_ptr_, renb, thunk.src_->bounding_box(), offset_tr, thunk.opacity_, thunk.snap_to_pixels_);
    }
Ejemplo n.º 2
0
void render_pattern<image_rgba8>(rasterizer & ras,
                                 marker_svg const& marker,
                                 agg::trans_affine const& tr,
                                 double opacity,
                                 image_rgba8 & image)
{
    using pixfmt = agg::pixfmt_rgba32_pre;
    using renderer_base = agg::renderer_base<pixfmt>;
    using renderer_solid = agg::renderer_scanline_aa_solid<renderer_base>;
    agg::scanline_u8 sl;

    mapnik::box2d<double> const& bbox = marker.bounding_box() * tr;
    mapnik::coord<double,2> c = bbox.center();
    agg::trans_affine mtx = agg::trans_affine_translation(-c.x,-c.y);
    mtx.translate(0.5 * bbox.width(), 0.5 * bbox.height());
    mtx = tr * mtx;

    agg::rendering_buffer buf(image.bytes(), image.width(), image.height(), image.row_size());
    pixfmt pixf(buf);
    renderer_base renb(pixf);

    mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(marker.get_data()->source());
    mapnik::svg::svg_path_adapter svg_path(stl_storage);
    mapnik::svg::svg_renderer_agg<mapnik::svg::svg_path_adapter,
                                  agg::pod_bvector<mapnik::svg::path_attributes>,
                                  renderer_solid,
                                  pixfmt > svg_renderer(svg_path,
                                                        marker.get_data()->attributes());

    svg_renderer.render(ras, sl, renb, mtx, opacity, bbox);
}
Ejemplo n.º 3
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std::shared_ptr<image_data_32> render_pattern(rasterizer & ras,
                                              marker const& marker,
                                              agg::trans_affine const& tr,
                                              double opacity)
{
    using pixfmt = agg::pixfmt_rgba32_pre;
    using renderer_base = agg::renderer_base<pixfmt>;
    using renderer_solid = agg::renderer_scanline_aa_solid<renderer_base>;
    agg::scanline_u8 sl;

    mapnik::box2d<double> const& bbox = (*marker.get_vector_data())->bounding_box() * tr;
    mapnik::coord<double,2> c = bbox.center();
    agg::trans_affine mtx = agg::trans_affine_translation(-c.x,-c.y);
    mtx.translate(0.5 * bbox.width(), 0.5 * bbox.height());
    mtx = tr * mtx;

    std::shared_ptr<mapnik::image_data_32> image = std::make_shared<mapnik::image_data_32>(bbox.width(), bbox.height());
    agg::rendering_buffer buf(image->getBytes(), image->width(), image->height(), image->width() * 4);
    pixfmt pixf(buf);
    renderer_base renb(pixf);

    mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage((*marker.get_vector_data())->source());
    mapnik::svg::svg_path_adapter svg_path(stl_storage);
    mapnik::svg::svg_renderer_agg<mapnik::svg::svg_path_adapter,
                                  agg::pod_bvector<mapnik::svg::path_attributes>,
                                  renderer_solid,
                                  agg::pixfmt_rgba32_pre > svg_renderer(svg_path,
                                                                        (*marker.get_vector_data())->attributes());

    svg_renderer.render(ras, sl, renb, mtx, opacity, bbox);
    return image;
}
Ejemplo n.º 4
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void grid_renderer<T>::render_marker(Feature const& feature, unsigned int step, const int x, const int y, marker &marker, const agg::trans_affine & tr, double opacity)
{
    if (marker.is_vector())
    {
        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();

        box2d<double> const& bbox = (*marker.get_vector_data())->bounding_box();
        coord<double,2> c = bbox.center();
        // center the svg marker on '0,0'
        agg::trans_affine mtx = agg::trans_affine_translation(-c.x,-c.y);
        // apply symbol transformation to get to map space
        mtx *= tr;
        mtx *= agg::trans_affine_scaling(scale_factor_*(1.0/step));
        // render the marker at the center of the marker box
        mtx.translate(x+0.5 * marker.width(), y+0.5 * marker.height());

        vertex_stl_adapter<svg_path_storage> stl_storage((*marker.get_vector_data())->source());
        svg_path_adapter svg_path(stl_storage);
        svg_renderer<svg_path_adapter,
                     agg::pod_bvector<path_attributes>,
                     renderer,
                     mapnik::pixfmt_gray16> svg_renderer(svg_path,
                             (*marker.get_vector_data())->attributes());

        svg_renderer.render_id(*ras_ptr, sl, renb, feature.id(), mtx, opacity, bbox);
        
    }
    else
    {
        image_data_32 const& data = **marker.get_bitmap_data();
        if (step == 1 && scale_factor_ == 1.0)
        {
            pixmap_.set_rectangle(feature.id(), data, x, y);    
        }
        else
        {
            double ratio = (1.0/step);
            image_data_32 target(ratio * data.width(), ratio * data.height());
            mapnik::scale_image_agg<image_data_32>(target,data, SCALING_NEAR,
                scale_factor_, 0.0, 0.0, 1.0, ratio);
            pixmap_.set_rectangle(feature.id(), target, x, y);
        }
    }
    pixmap_.add_feature(feature);
}
Ejemplo n.º 5
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 virtual void render_marker(svg_path_ptr const& src,
                            svg_path_adapter & path,
                            svg_attribute_type const& attrs,
                            markers_dispatch_params const& params,
                            agg::trans_affine const& marker_tr)
 {
     SvgRenderer svg_renderer(path, attrs);
     render_vector_marker(svg_renderer, ras_, renb_, src->bounding_box(),
                          marker_tr, params.opacity, params.snap_to_pixels);
 }
Ejemplo n.º 6
0
 virtual void operator()(vector_marker_render_thunk const& thunk)
 {
     using buf_type = grid_rendering_buffer;
     using pixfmt_type = typename grid_renderer_base_type::pixfmt_type;
     using renderer_type = agg::renderer_scanline_bin_solid<grid_renderer_base_type>;
     using svg_renderer_type = svg::renderer_agg<svg_path_adapter,
                                                 svg_attribute_type,
                                                 renderer_type,
                                                 pixfmt_type>;
     buf_type render_buf(pixmap_.raw_data(), common_.width_, common_.height_, common_.width_);
     ras_.reset();
     pixfmt_type pixf(render_buf);
     grid_renderer_base_type renb(pixf);
     renderer_type ren(renb);
     svg::vertex_stl_adapter<svg::svg_path_storage> stl_storage(thunk.src_->source());
     svg_path_adapter svg_path(stl_storage);
     svg_renderer_type svg_renderer(svg_path, thunk.attrs_);
     agg::trans_affine offset_tr = thunk.tr_;
     offset_tr.translate(offset_.x, offset_.y);
     agg::scanline_bin sl;
     svg_renderer.render_id(ras_, sl, renb, feature_.id(), offset_tr, thunk.opacity_, thunk.src_->bounding_box());
     pixmap_.add_feature(feature_);
 }