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+ use compositing renderer for markers,points and shields

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This commit is contained in:
Artem Pavlenko 2012-05-15 16:13:08 +01:00
parent 55d5d8596d
commit 1b210ba456
5 changed files with 43 additions and 30 deletions
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11
include/mapnik/agg_renderer.hpp
View file

@ -70,8 +70,9 @@ public:
void start_style_processing(feature_type_style const& st);
void end_style_processing(feature_type_style const& st);
void render_marker(pixel_position const& pos, marker const& marker, agg::trans_affine const& tr, double opacity);
void render_marker(pixel_position const& pos, marker const& marker, agg::trans_affine const& tr,
double opacity, composite_mode_e comp_op);
void process(point_symbolizer const& sym,
mapnik::feature_ptr const& feature,
@ -103,7 +104,7 @@ public:
void process(markers_symbolizer const& sym,
mapnik::feature_ptr const& feature,
proj_transform const& prj_trans);
inline bool process(rule::symbolizers const& /*syms*/,
mapnik::feature_ptr const& /*feature*/,
proj_transform const& /*prj_trans*/)
@ -111,9 +112,9 @@ public:
// agg renderer doesn't support processing of multiple symbolizers.
return false;
};
void painted(bool painted);
private:
buffer_type & pixmap_;
boost::shared_ptr<buffer_type> internal_buffer_;

34
src/agg/agg_renderer.cpp
View file

@ -248,21 +248,27 @@ void agg_renderer<T>::end_style_processing(feature_type_style const& st)
}
template <typename T>
void agg_renderer<T>::render_marker(pixel_position const& pos, marker const& marker, agg::trans_affine const& tr, double opacity)
void agg_renderer<T>::render_marker(pixel_position const& pos, marker const& marker, agg::trans_affine const& tr,
double opacity, composite_mode_e comp_op)
{
if (marker.is_vector())
{
typedef agg::pixfmt_rgba32 pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
typedef agg::rgba8 color_type;
typedef agg::order_rgba order_type;
typedef agg::pixel32_type pixel_type;
typedef agg::comp_op_adaptor_rgba<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 agg::renderer_scanline_aa_solid<renderer_base> renderer_type;
ras_ptr->reset();
ras_ptr->gamma(agg::gamma_power());
agg::scanline_u8 sl;
agg::rendering_buffer buf(pixmap_.raw_data(), width_, height_, width_ * 4);
pixfmt pixf(buf);
agg::rendering_buffer buf(current_buffer_->raw_data(), width_, height_, width_ * 4);
pixfmt_comp_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(comp_op));
renderer_base renb(pixf);
box2d<double> const& bbox = (*marker.get_vector_data())->bounding_box();
coord<double,2> c = bbox.center();
// center the svg marker on '0,0'
@ -277,19 +283,19 @@ void agg_renderer<T>::render_marker(pixel_position const& pos, marker const& mar
svg_path_adapter svg_path(stl_storage);
svg_renderer<svg_path_adapter,
agg::pod_bvector<path_attributes>,
renderer_solid,
renderer_type,
agg::pixfmt_rgba32> svg_renderer(svg_path,
(*marker.get_vector_data())->attributes());
svg_renderer.render(*ras_ptr, sl, renb, mtx, opacity, bbox);
}
else
{
//TODO: Add subpixel support
pixmap_.set_rectangle_alpha2(**marker.get_bitmap_data(),
boost::math::iround(pos.x),
boost::math::iround(pos.y),
opacity);
{
composite(current_buffer_->data(), **marker.get_bitmap_data(),
comp_op, opacity,
boost::math::iround(pos.x),
boost::math::iround(pos.y),
false, false);
}
}

23
src/agg/process_markers_symbolizer.cpp
View file

@ -55,19 +55,23 @@ void agg_renderer<T>::process(markers_symbolizer const& sym,
{
typedef agg::conv_clip_polyline<geometry_type> clipped_geometry_type;
typedef coord_transform2<CoordTransform,clipped_geometry_type> path_type;
typedef agg::pixfmt_rgba32 pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
typedef agg::renderer_scanline_aa_solid<renderer_base> renderer_solid;
typedef agg::rgba8 color_type;
typedef agg::order_rgba order_type;
typedef agg::pixel32_type pixel_type;
typedef agg::comp_op_adaptor_rgba<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 agg::renderer_scanline_aa_solid<renderer_base> renderer_type;
ras_ptr->reset();
ras_ptr->gamma(agg::gamma_power());
agg::scanline_u8 sl;
agg::scanline_p8 sl_line;
agg::rendering_buffer buf(pixmap_.raw_data(), width_, height_, width_ * 4);
pixfmt pixf(buf);
pixfmt_comp_type pixf(buf);
pixf.comp_op(static_cast<agg::comp_op_e>(sym.comp_op()));
renderer_base renb(pixf);
renderer_solid ren(renb);
renderer_type ren(renb);
agg::trans_affine tr;
boost::array<double,6> const& m = sym.get_image_transform();
tr.load_from(&m[0]);
@ -104,9 +108,10 @@ void agg_renderer<T>::process(markers_symbolizer const& sym,
using namespace mapnik::svg;
vertex_stl_adapter<svg_path_storage> stl_storage((*marker)->source());
svg_path_adapter svg_path(stl_storage);
svg_renderer<svg_path_adapter,
agg::pod_bvector<path_attributes>,
renderer_solid,
renderer_type,
agg::pixfmt_rgba32 > svg_renderer(svg_path,(*marker)->attributes());
for (unsigned i=0; i<feature->num_geometries(); ++i)
@ -127,7 +132,7 @@ void agg_renderer<T>::process(markers_symbolizer const& sym,
detector_->has_placement(extent))
{
render_marker(pixel_position(x - 0.5 * w, y - 0.5 * h) ,**mark, tr, sym.get_opacity());
render_marker(pixel_position(x - 0.5 * w, y - 0.5 * h) ,**mark, tr, sym.get_opacity(), sym.comp_op());
// TODO - impl this for markers?
//if (!sym.get_ignore_placement())

2
src/agg/process_point_symbolizer.cpp
View file

@ -103,7 +103,7 @@ void agg_renderer<T>::process(point_symbolizer const& sym,
detector_->has_placement(label_ext))
{
render_marker(pixel_position(x - 0.5 * w, y - 0.5 * h) ,**marker,tr, sym.get_opacity());
render_marker(pixel_position(x - 0.5 * w, y - 0.5 * h) ,**marker,tr, sym.get_opacity(), sym.comp_op());
if (!sym.get_ignore_placement())
detector_->insert(label_ext);

3
src/agg/process_shield_symbolizer.cpp
View file

@ -55,7 +55,8 @@ void agg_renderer<T>::process(shield_symbolizer const& sym,
render_marker(helper.get_marker_position(placements[ii]),
helper.get_marker(),
helper.get_image_transform(),
sym.get_opacity());
sym.get_opacity(),
sym.comp_op());
ren.prepare_glyphs(&(placements[ii]));
ren.render(placements[ii].center);