645 lines
22 KiB
C++
645 lines
22 KiB
C++
/* -*-c++-*- Present3D - Copyright (C) 1999-2006 Robert Osfield
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*
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* This software is open source and may be redistributed and/or modified under
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* the terms of the GNU General Public License (GPL) version 2.0.
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* The full license is in LICENSE.txt file included with this distribution,.
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*
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* This software 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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* include LICENSE.txt for more details.
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*/
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#ifndef SLIDESHOWCONSTRUCTOR
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#define SLIDESHOWCONSTRUCTOR
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#include <osg/Vec3>
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#include <osg/Vec4>
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#include <osg/ImageUtils>
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#include <osg/Group>
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#include <osg/ClearNode>
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#include <osg/Switch>
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#include <osg/AnimationPath>
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#include <osg/TransferFunction>
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#include <osg/ImageStream>
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#include <osg/ImageSequence>
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#include <osg/ScriptEngine>
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#include <osgText/Text>
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#include <osgGA/GUIEventAdapter>
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#include <osgDB/FileUtils>
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#include <osgVolume/VolumeTile>
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#include <osgVolume/Property>
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#include <osgPresentation/deprecated/AnimationMaterial>
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#include <osgPresentation/deprecated/SlideEventHandler>
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#include <osgPresentation/deprecated/PropertyManager>
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#include <osgPresentation/deprecated/Timeout>
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namespace osgPresentation
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{
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class OSGPRESENTATION_EXPORT HUDTransform : public osg::Transform
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{
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public:
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HUDTransform(HUDSettings* hudSettings);
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virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,osg::NodeVisitor* nv) const;
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virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,osg::NodeVisitor*) const;
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protected:
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virtual ~HUDTransform();
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osg::ref_ptr<HUDSettings> _hudSettings;
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};
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class OSGPRESENTATION_EXPORT SlideShowConstructor
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{
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public:
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enum CoordinateFrame { SLIDE, MODEL };
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LayerAttributes* getOrCreateLayerAttributes(osg::Node* node);
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void setDuration(osg::Node* node,double duration)
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{
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getOrCreateLayerAttributes(node)->setDuration(duration);
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}
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void addKey(osg::Node* node,const KeyPosition& kp)
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{
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getOrCreateLayerAttributes(node)->addKey(kp);
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}
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void addRunString(osg::Node* node, const std::string& runString)
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{
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getOrCreateLayerAttributes(node)->addRunString(runString);
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}
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void setJump(osg::Node* node, const JumpData& jumpData)
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{
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getOrCreateLayerAttributes(node)->setJump(jumpData);
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}
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void addPresentationKey(const KeyPosition& kp)
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{
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if (!_presentationSwitch) createPresentation();
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if (_presentationSwitch.valid()) addKey( _presentationSwitch.get(), kp);
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}
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void addPresentationRunString(const std::string& runString)
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{
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if (!_presentationSwitch) createPresentation();
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if (_presentationSwitch.valid()) addRunString( _presentationSwitch.get(),runString);
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}
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void addSlideKey(const KeyPosition& kp)
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{
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if (!_slide) addSlide();
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if (_slide.valid()) addKey(_slide.get(),kp);
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}
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void addSlideRunString(const std::string& runString)
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{
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if (!_slide) addSlide();
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if (_slide.valid()) addRunString(_slide.get(),runString);
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}
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void setSlideJump(const JumpData& jumpData)
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{
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if (!_slide) addSlide();
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if (_slide.valid()) setJump(_slide.get(),jumpData);
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}
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void addLayerKey(const KeyPosition& kp)
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{
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if (!_currentLayer) addLayer();
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if (_currentLayer.valid()) addKey(_currentLayer.get(),kp);
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}
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void addLayerRunString(const std::string& runString)
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{
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if (!_currentLayer) addLayer();
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if (_currentLayer.valid()) addRunString(_currentLayer.get(),runString);
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}
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void setLayerJump(const JumpData& jumpData)
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{
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if (!_currentLayer) addLayer();
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if (_currentLayer.valid()) setJump(_currentLayer.get(),jumpData);
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}
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struct PositionData
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{
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PositionData():
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frame(SlideShowConstructor::SLIDE),
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position(0.0f,1.0f,0.0f),
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//position(0.5f,0.5f,0.0f),
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scale(1.0f,1.0f,1.0f),
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rotate(0.0f,0.0f,0.0f,1.0f),
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rotation(0.0f,0.0f,1.0f,0.0f),
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absolute_path(false),
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inverse_path(false),
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path_time_offset(0.0),
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path_time_multiplier(1.0f),
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path_loop_mode(osg::AnimationPath::NO_LOOPING),
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animation_material_time_offset(0.0),
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animation_material_time_multiplier(1.0),
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animation_material_loop_mode(AnimationMaterial::NO_LOOPING),
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autoRotate(false),
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autoScale(false),
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hud(false) {}
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bool requiresPosition() const
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{
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return (position[0]!=0.0f || position[1]!=1.0f || position[2]!=1.0f);
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}
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bool requiresScale() const
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{
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return (scale[0]!=1.0f || scale[1]!=1.0f || scale[2]!=1.0f);
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}
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bool requiresRotate() const
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{
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return rotate[0]!=0.0f;
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}
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bool requiresAnimation() const
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{
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return (rotation[0]!=0.0f || !path.empty());
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}
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bool requiresMaterialAnimation() const
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{
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return !animation_material_filename.empty() || !fade.empty();
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}
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CoordinateFrame frame;
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osg::Vec3 position;
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osg::Vec3 scale;
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osg::Vec4 rotate;
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osg::Vec4 rotation;
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std::string animation_name;
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bool absolute_path;
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bool inverse_path;
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double path_time_offset;
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double path_time_multiplier;
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osg::AnimationPath::LoopMode path_loop_mode;
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std::string path;
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double animation_material_time_offset;
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double animation_material_time_multiplier;
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AnimationMaterial::LoopMode animation_material_loop_mode;
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std::string animation_material_filename;
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std::string fade;
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bool autoRotate;
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bool autoScale;
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bool hud;
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};
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struct ModelData
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{
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ModelData() {}
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std::string region;
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std::string effect;
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std::string options;
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};
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struct ImageData
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{
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ImageData():
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width(1.0f),
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height(1.0f),
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region(0.0f,0.0f,1.0f,1.0f),
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region_in_pixel_coords(false),
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texcoord_rotate(0.0f),
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loopingMode(osg::ImageStream::NO_LOOPING),
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page(-1),
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backgroundColor(1.0f,1.0f,1.0f,1.0f),
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fps(30.0),
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duration(-1.0),
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imageSequence(false),
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imageSequencePagingMode(osg::ImageSequence::PAGE_AND_DISCARD_USED_IMAGES),
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imageSequenceInteractionMode(PLAY_AUTOMATICALLY_LIKE_MOVIE),
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blendingHint(USE_IMAGE_ALPHA),
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delayTime(0.0),
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startTime(0.0),
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stopTime(-1.0),
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volume("")
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{}
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std::string options;
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float width;
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float height;
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osg::Vec4 region;
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bool region_in_pixel_coords;
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float texcoord_rotate;
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osg::ImageStream::LoopingMode loopingMode;
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int page;
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osg::Vec4 backgroundColor;
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double fps;
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double duration;
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bool imageSequence;
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osg::ImageSequence::Mode imageSequencePagingMode;
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enum ImageSequenceInteractionMode
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{
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PLAY_AUTOMATICALLY_LIKE_MOVIE,
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USE_MOUSE_X_POSITION,
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USE_MOUSE_Y_POSITION
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};
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ImageSequenceInteractionMode imageSequenceInteractionMode;
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enum BlendingHint
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{
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USE_IMAGE_ALPHA,
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OFF,
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ON
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};
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BlendingHint blendingHint;
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double delayTime;
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double startTime;
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double stopTime;
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std::string volume;
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};
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struct VolumeData
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{
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enum ShadingModel
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{
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Standard,
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Light,
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Isosurface,
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MaximumIntensityProjection
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};
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enum Technique
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{
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FixedFunction,
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RayTraced,
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MultiPass
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};
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VolumeData():
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shadingModel(Standard),
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useTabbedDragger(false),
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useTrackballDragger(false),
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region_in_pixel_coords(false),
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alphaValue("1.0"),
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cutoffValue("0.1"),
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sampleDensityValue("0.005"),
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sampleRatioValue("1.0"),
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colorSpaceOperation(osg::NO_COLOR_SPACE_OPERATION),
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colorModulate(1.0f,1.0f,1.0f,1.0f),
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technique(RayTraced)
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{
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hullPositionData.position = osg::Vec3(0.0,0.0,0.0);
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hullPositionData.frame = osgPresentation::SlideShowConstructor::MODEL;
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}
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std::string options;
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ShadingModel shadingModel;
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osg::ref_ptr<osg::TransferFunction1D> transferFunction;
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bool useTabbedDragger;
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bool useTrackballDragger;
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std::string region;
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bool region_in_pixel_coords;
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std::string alphaValue;
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std::string cutoffValue;
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std::string sampleDensityValue;
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std::string sampleDensityWhenMovingValue;
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std::string sampleRatioValue;
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std::string sampleRatioWhenMovingValue;
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osg::ColorSpaceOperation colorSpaceOperation;
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osg::Vec4 colorModulate;
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Technique technique;
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std::string hull;
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PositionData hullPositionData;
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};
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struct FontData
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{
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FontData():
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font("fonts/arial.ttf"),
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layout(osgText::Text::LEFT_TO_RIGHT),
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alignment(osgText::Text::LEFT_BASE_LINE),
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axisAlignment(osgText::Text::XZ_PLANE),
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characterSizeMode(osgText::Text::OBJECT_COORDS),
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characterSize(0.04f),
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maximumHeight(1.0f),
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maximumWidth(1.0f),
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color(1.0f,1.0f,1.0f,1.0f) {}
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std::string font;
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osgText::Text::Layout layout;
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osgText::Text::AlignmentType alignment;
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osgText::Text::AxisAlignment axisAlignment;
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osgText::Text::CharacterSizeMode characterSizeMode;
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float characterSize;
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float maximumHeight;
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float maximumWidth;
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osg::Vec4 color;
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};
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enum ScriptCallbackType
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{
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UPDATE_SCRIPT,
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EVENT_SCRIPT
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};
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typedef std::pair<ScriptCallbackType, std::string> ScriptPair;
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struct ScriptData
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{
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ScriptData() {}
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typedef std::vector<ScriptPair> Scripts;
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Scripts scripts;
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bool hasScripts() const { return !scripts.empty(); }
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};
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SlideShowConstructor(osgDB::Options* options);
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void createPresentation();
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void setBackgroundColor(const osg::Vec4& color, bool updateClearNode);
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const osg::Vec4& getBackgroundColor() const { return _backgroundColor; }
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void setTextColor(const osg::Vec4& color);
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const osg::Vec4& getTextColor() const { return _textFontDataDefault.color; }
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void setPresentationName(const std::string& name);
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void setPresentationAspectRatio(float aspectRatio);
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void setPresentationAspectRatio(const std::string& str);
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void setPresentationDuration(double duration);
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void addScriptEngine(const std::string& scriptEngineName);
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void addScriptFile(const std::string& name, const std::string& filename);
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void addScript(const std::string& name, const std::string& language, const std::string& script);
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void addSlide();
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void selectSlide(int slideNum);
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void setSlideTitle(const std::string& name, PositionData& positionData, FontData& fontData)
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{
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_titlePositionData = positionData;
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_titleFontData = fontData;
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_slideTitle = name;
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}
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void setSlideBackgrondHUD(bool hud) { _slideBackgroundAsHUD = hud; }
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void setSlideBackground(const std::string& name) { _slideBackgroundImageFileName = name; }
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void setSlideDuration(double duration);
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Timeout* addTimeout();
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void addLayer(bool inheritPreviousLayers=true, bool defineAsBaseLayer=false);
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void selectLayer(int layerNum);
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void setLayerDuration(double duration);
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// title settings
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FontData& getTitleFontData() { return _titleFontData; }
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FontData& getTitleFontDataDefault() { return _titleFontDataDefault; }
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PositionData& getTitlePositionData() { return _titlePositionData; }
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PositionData& getTitlePositionDataDefault() { return _titlePositionDataDefault; }
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// text settings
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FontData& getTextFontData() { return _textFontData; }
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FontData& getTextFontDataDefault() { return _textFontDataDefault; }
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PositionData& getTextPositionData() { return _textPositionData; }
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PositionData& getTextPositionDataDefault() { return _textPositionDataDefault; }
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void translateTextCursor(const osg::Vec3& delta) { _textPositionData.position += delta; }
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// image settings
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PositionData& getImagePositionData() { return _imagePositionData; }
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PositionData& getImagePositionDataDefault() { return _imagePositionDataDefault; }
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// model settings
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PositionData& getModelPositionData() { return _modelPositionData; }
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PositionData& getModelPositionDataDefault() { return _modelPositionDataDefault; }
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enum PresentationContext {
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CURRENT_PRESENTATION,
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CURRENT_SLIDE,
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CURRENT_LAYER
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};
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void addEventHandler(PresentationContext presentationContext, osg::ref_ptr<osgGA::GUIEventHandler> handler);
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void keyToDoOperation(PresentationContext presentationContext, int key, Operation operation, const JumpData& jumpData=JumpData());
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void keyToDoOperation(PresentationContext presentationContext, int key, const std::string& command, Operation operation, const JumpData& jumpData=JumpData());
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void keyEventOperation(PresentationContext presentationContext, int key, const KeyPosition& keyPos, const JumpData& jumpData=JumpData());
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void layerClickToDoOperation(Operation operation, const JumpData& jumpData=JumpData());
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void layerClickToDoOperation(const std::string& command, Operation operation, const JumpData& jumpData=JumpData());
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void layerClickEventOperation(const KeyPosition& keyPos, const JumpData& jumpData=JumpData());
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void addPropertyAnimation(PresentationContext presentationContext, PropertyAnimation* propertyAnimation);
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void addScriptCallback(PresentationContext presentationContext, ScriptCallbackType scriptCallbackType, const std::string& functionName);
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void addScriptToNode(ScriptCallbackType scriptCallbackType, const std::string& name, osg::Node* node);
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void addScriptsToNode(const ScriptData& scriptData, osg::Node* node);
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void addToCurrentLayer(osg::Node* subgraph);
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void addBullet(const std::string& bullet, PositionData& positionData, FontData& fontData, const ScriptData& scriptData);
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void addParagraph(const std::string& paragraph, PositionData& positionData, FontData& fontData, const ScriptData& scriptData);
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osg::Image* readImage(const std::string& filename, const ImageData& imageData);
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void addImage(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const ScriptData& scriptData);
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void addStereoImagePair(const std::string& filenameLeft, const ImageData& imageDataLeft, const std::string& filenameRight,const ImageData& imageDataRight, const PositionData& positionData, const ScriptData& scriptData);
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void addGraph(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const ScriptData& scriptData);
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void addVNC(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const std::string& password, const ScriptData& scriptData);
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void addBrowser(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const ScriptData& scriptData);
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void addPDF(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const ScriptData& scriptData);
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osg::Image* addInteractiveImage(const std::string& filename,const PositionData& positionData, const ImageData& imageData, const ScriptData& scriptData);
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void addModel(osg::Node* subgraph, const PositionData& positionData, const ModelData& modelData, const ScriptData& scriptData);
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void addModel(const std::string& filename, const PositionData& positionData, const ModelData& modelData, const ScriptData& scriptData);
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void setUpVolumeScalarProperty(osgVolume::VolumeTile* tile, osgVolume::ScalarProperty* property, const std::string& source);
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void addVolume(const std::string& filename, const PositionData& positionData, const VolumeData& volumeData, const ScriptData& scriptData);
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osg::Group* takePresentation() { return _root.release(); }
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osg::Group* getPresentation() { return _root.get(); }
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osg::Switch* getPresentationSwitch() { return _presentationSwitch.get(); }
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osg::Switch* getCurrentSlide() { return _slide.get(); }
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void pushCurrentLayer(osg::Group* newLayerGroup);
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void popCurrentLayer();
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osg::Group* getCurrentLayer() { return _currentLayer.get(); }
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void setLoopPresentation(bool loop) { _loopPresentation = loop; }
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bool getLoopPresentation() const { return _loopPresentation; }
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void setAutoSteppingActive(bool flag = true) { _autoSteppingActive = flag; }
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bool getAutoSteppingActive() const { return _autoSteppingActive; }
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void setHUDSettings(HUDSettings* hudSettings) { _hudSettings = hudSettings; }
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HUDSettings* getHUDSettings() { return _hudSettings.get(); }
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const HUDSettings* getHUDSettings() const { return _hudSettings.get(); }
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osg::ScriptEngine* getOrCreateScriptEngine(const std::string& language);
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protected:
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void findImageStreamsAndAddCallbacks(osg::Node* node);
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osg::Geometry* createTexturedQuadGeometry(const osg::Vec3& pos, const osg::Vec4& rotation, float width,float height, osg::Image* image, bool& usedTextureRectangle);
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void setUpMovieVolume(osg::Node* subgraph, osg::ImageStream* imageStream, const ImageData& imageData);
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osg::Vec3 computePositionInModelCoords(const PositionData& positionData) const;
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void updatePositionFromInModelCoords(const osg::Vec3& vertex, PositionData& positionData) const;
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osg::Vec3 convertSlideToModel(const osg::Vec3& position) const;
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osg::Vec3 convertModelToSlide(const osg::Vec3& position) const;
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osg::AnimationPathCallback* getAnimationPathCallback(const PositionData& positionData);
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osg::Node* attachMaterialAnimation(osg::Node* model, const PositionData& positionData);
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bool attachTexMat(osg::StateSet* stateset, const ImageData& imageData, float s, float t, bool textureRectangle);
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osg::StateSet* createTransformStateSet()
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{
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osg::StateSet* stateset = new osg::StateSet;
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#if !defined(OSG_GLES2_AVAILABLE)
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stateset->setMode(GL_NORMALIZE,osg::StateAttribute::ON);
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#endif
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return stateset;
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}
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osg::Node* decorateSubgraphForPosition(osg::Node* node, PositionData& positionData);
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osg::Node* decorateSubgraphForPositionAndAnimation(osg::Node* node, const PositionData& positionData);
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osg::ref_ptr<osgDB::Options> _options;
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osg::Vec3 _slideOrigin;
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osg::Vec3 _eyeOrigin;
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double _slideWidth;
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double _slideHeight;
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double _slideDistance;
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unsigned int _leftEyeMask;
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unsigned int _rightEyeMask;
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osg::ref_ptr<HUDSettings> _hudSettings;
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// title settings
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FontData _titleFontData;
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FontData _titleFontDataDefault;
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PositionData _titlePositionData;
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PositionData _titlePositionDataDefault;
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// text settings
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FontData _textFontData;
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FontData _textFontDataDefault;
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PositionData _textPositionData;
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PositionData _textPositionDataDefault;
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// image settings
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PositionData _imagePositionData;
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PositionData _imagePositionDataDefault;
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// model settings
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PositionData _modelPositionData;
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PositionData _modelPositionDataDefault;
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bool _loopPresentation;
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bool _autoSteppingActive;
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osg::Vec4 _backgroundColor;
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std::string _presentationName;
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double _presentationDuration;
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osg::ref_ptr<osgPresentation::PropertyManager> _propertyManager;
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osg::ref_ptr<osgPresentation::PropertyEventCallback> _propertyEventCallback;
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osg::ref_ptr<osg::Group> _root;
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osg::ref_ptr<osg::Switch> _presentationSwitch;
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typedef std::map< std::string, osg::ref_ptr<osg::ScriptEngine> > ScriptEngineMap;
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ScriptEngineMap _scriptEngines;
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typedef std::map< std::string, osg::ref_ptr<osg::Script> > ScriptMap;
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ScriptMap _scripts;
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osg::ref_ptr<osg::ClearNode> _slideClearNode;
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osg::ref_ptr<osg::Switch> _slide;
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std::string _slideTitle;
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std::string _slideBackgroundImageFileName;
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bool _slideBackgroundAsHUD;
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osg::ref_ptr<osg::Group> _previousLayer;
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osg::ref_ptr<osg::Group> _currentLayer;
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typedef std::vector< osg::ref_ptr<osg::Group> > LayerStack;
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LayerStack _layerStack;
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osg::ref_ptr<FilePathData> _filePathData;
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osg::ref_ptr<osg::Group> _layerToApplyEventCallbackTo;
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typedef std::list< osg::ref_ptr<osgGA::GUIEventHandler> > EventHandlerList;
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EventHandlerList _currentEventCallbacksToApply;
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std::string findFileAndRecordPath(const std::string& filename);
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void recordOptionsFilePath(const osgDB::Options* options);
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};
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}
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#endif
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