110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/* -*-c++-*- */
|
|
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
|
|
* Copyright 2020 Pelican Mapping
|
|
* http://osgearth.org
|
|
*
|
|
* osgEarth is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*/
|
|
#ifndef OSGEARTH_FEATURES_FEATURE_IMAGE_LAYER
|
|
#define OSGEARTH_FEATURES_FEATURE_IMAGE_LAYER 1
|
|
|
|
#include <osgEarth/ImageLayer>
|
|
#include <osgEarth/LayerReference>
|
|
#include <osgEarth/FeatureSource>
|
|
#include <osgEarth/StyleSheet>
|
|
#include <osgEarth/FeatureRasterizer>
|
|
|
|
namespace osgEarth
|
|
{
|
|
/**
|
|
* Rasterizes feature data into an image layer.
|
|
*/
|
|
class OSGEARTH_EXPORT FeatureImageLayer : public osgEarth::ImageLayer
|
|
{
|
|
public: // serialization
|
|
class OSGEARTH_EXPORT Options : public ImageLayer::Options {
|
|
public:
|
|
META_LayerOptions(osgEarth, Options, ImageLayer::Options);
|
|
OE_OPTION_LAYER(FeatureSource, featureSource);
|
|
OE_OPTION_VECTOR(ConfigOptions, filters);
|
|
OE_OPTION_LAYER(StyleSheet, styleSheet);
|
|
OE_OPTION(double, gamma);
|
|
OE_OPTION(bool, sdf);
|
|
OE_OPTION(bool, sdf_invert);
|
|
virtual Config getConfig() const;
|
|
private:
|
|
void fromConfig( const Config& conf );
|
|
};
|
|
|
|
public:
|
|
META_Layer(osgEarth, FeatureImageLayer, Options, osgEarth::ImageLayer, FeatureImage);
|
|
|
|
//! Sets the feature source to get road data from; call either this
|
|
//! or setFeatureSourceLayer
|
|
void setFeatureSource(FeatureSource* source);
|
|
inline FeatureSource* getFeatureSource() const;
|
|
|
|
//! Style sheet to use to render feature data
|
|
void setStyleSheet(StyleSheet* styles);
|
|
inline StyleSheet* getStyleSheet() const;
|
|
|
|
public: // ImageLayer
|
|
|
|
// Opens the layer and returns a status
|
|
virtual Status openImplementation() override;
|
|
|
|
virtual GeoImage createImageImplementation(
|
|
const TileKey& key,
|
|
ProgressCallback* progress) const override;
|
|
|
|
protected: // Layer
|
|
|
|
// Called by Map when it adds this layer
|
|
virtual void addedToMap(const class Map*) override;
|
|
|
|
// Called by Map when it removes this layer
|
|
virtual void removedFromMap(const class Map*) override;
|
|
|
|
// post-ctor initialization
|
|
virtual void init() override;
|
|
|
|
virtual ~FeatureImageLayer() { }
|
|
|
|
private:
|
|
optional<double> _gamma;
|
|
|
|
void updateSession();
|
|
|
|
void establishProfile();
|
|
|
|
struct Isolate {
|
|
Isolate() { }
|
|
Isolate(const Isolate&);
|
|
osg::ref_ptr<Session> _session;
|
|
FeatureFilterChain _filterChain;
|
|
};
|
|
|
|
Isolate _global;
|
|
};
|
|
|
|
// template/inline impls .................................................
|
|
|
|
FeatureSource* FeatureImageLayer::getFeatureSource() const { return options().featureSource().getLayer(); }
|
|
StyleSheet* FeatureImageLayer::getStyleSheet() const { return options().styleSheet().getLayer(); }
|
|
} // namespace osgEarth
|
|
|
|
OSGEARTH_SPECIALIZE_CONFIG(osgEarth::FeatureImageLayer::Options);
|
|
|
|
#endif // OSGEARTH_FEATURES_FEATURE_IMAGE_LAYER
|