102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#pragma once
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#include <osgEarth/Common>
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#include <osgEarth/DepthOffset>
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#include <osgEarth/Expression>
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#include <osgEarth/Symbol>
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#include <osg/Referenced>
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#include <vector>
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namespace osgEarth
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{
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/**
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* Symbol that contains general rendering settings.
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*/
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class OSGEARTH_EXPORT RenderSymbol : public Symbol
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{
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public:
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META_Object(osgEarth, RenderSymbol);
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/** construct a render symbol */
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RenderSymbol(const Config& conf =Config());
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RenderSymbol(const RenderSymbol& rhs,const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
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/** whether to perform depth buffer testing */
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OE_OPTION(bool, depthTest, true);
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/** whether to force lighting on/off */
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OE_OPTION(bool, lighting, true);
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/** depth offset properties */
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OE_OPTION(DepthOffsetOptions, depthOffset);
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/** whether to force backface culling on or off */
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OE_OPTION(bool, backfaceCulling, true);
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/** applies a rendering order to affected geometry */
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OE_OPTION(NumericExpression, order, 0);
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/** clip plane number to activate. */
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OE_OPTION(unsigned, clipPlane, 0);
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/** discard fragments with alpha < threshold */
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OE_OPTION(float, minAlpha, 0.0f);
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/** hint to render in the transparent (depth-sorted) bin */
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OE_OPTION(bool, transparent, false);
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/** render bin to use for sorting */
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OE_OPTION(std::string, renderBin);
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/** enable decaling (lequal + polygonoffset) */
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OE_OPTION(bool, decal, false);
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/** maximum crease angle for normal smoothing (default=0) */
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OE_OPTION(Angle, maxCreaseAngle, Angle(0, Units::DEGREES));
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/** maximum angle at which to tessellate geometry when curving it to the earth's surface */
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OE_OPTION(Angle, maxTessAngle, Angle(1, Units::DEGREES));
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/** maximum visibility altitude */
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OE_OPTION(Distance, maxAltitude, Distance(FLT_MAX, Units::METERS));
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/** geometric error present when rendering */
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OE_OPTION(Distance, geometricError, Distance(0.0, Units::METERS));
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/** minimum distance (maps to 0) when rendering a signed distance field */
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OE_OPTION(NumericExpression, sdfMinDistance, 0.0);
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/** maximum distance (maps to 1) when rendering a signed distance field */
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OE_OPTION(NumericExpression, sdfMaxDistance, 20.0);
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public:
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virtual Config getConfig() const;
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virtual void mergeConfig( const Config& conf );
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static void parseSLD(const Config& c, class Style& style);
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void applyTo(osg::Node*) const;
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protected:
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virtual ~RenderSymbol() { }
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};
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} // namespace osgEarth
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