d4c4bee020
The warning is (14 times):
include\osgViewer/ViewerEventHandlers(542): warning C4250: 'osgViewer::InteractiveImageHandler' : inherits 'osgGA::EventHandler::osgGA::EventHandler::run' via dominance (src\osgViewer\StatsHandler.cpp)
include\osgGA/EventHandler(45) : see declaration of 'osgGA::EventHandler::run'
attached a zipped version of include\osgViewer\ViewerEventHandlers"
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14343 16af8721-9629-0410-8352-f15c8da7e697
548 lines
23 KiB
C++
548 lines
23 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGVIEWER_VIEWEREVENTHANDLERS
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#define OSGVIEWER_VIEWEREVENTHANDLERS 1
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#include <osg/AnimationPath>
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#include <osgText/Text>
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#include <osgGA/GUIEventHandler>
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#include <osgGA/AnimationPathManipulator>
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#include <osgViewer/GraphicsWindow>
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#include <osgViewer/Viewer>
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#include <osgDB/fstream>
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namespace osgViewer {
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/** Event handler for adding on screen help to Viewers.*/
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class OSGVIEWER_EXPORT HelpHandler : public osgGA::GUIEventHandler
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{
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public:
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HelpHandler(osg::ApplicationUsage* au=0);
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void setApplicationUsage(osg::ApplicationUsage* au) { _applicationUsage = au; }
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osg::ApplicationUsage* getApplicationUsage() { return _applicationUsage.get(); }
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const osg::ApplicationUsage* getApplicationUsage() const { return _applicationUsage.get(); }
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void setKeyEventTogglesOnScreenHelp(int key) { _keyEventTogglesOnScreenHelp = key; }
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int getKeyEventTogglesOnScreenHelp() const { return _keyEventTogglesOnScreenHelp; }
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void reset();
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osg::Camera* getCamera() { return _camera.get(); }
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const osg::Camera* getCamera() const { return _camera.get(); }
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bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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protected:
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void setUpHUDCamera(osgViewer::ViewerBase* viewer);
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void setUpScene(osgViewer::ViewerBase* viewer);
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osg::ref_ptr<osg::ApplicationUsage> _applicationUsage;
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int _keyEventTogglesOnScreenHelp;
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bool _helpEnabled;
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bool _initialized;
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osg::ref_ptr<osg::Camera> _camera;
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osg::ref_ptr<osg::Switch> _switch;
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};
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/**
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* Event handler for adding on screen stats reporting to Viewers.
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*/
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class OSGVIEWER_EXPORT StatsHandler : public osgGA::GUIEventHandler
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{
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public:
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StatsHandler();
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enum StatsType
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{
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NO_STATS = 0,
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FRAME_RATE = 1,
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VIEWER_STATS = 2,
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CAMERA_SCENE_STATS = 3,
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VIEWER_SCENE_STATS = 4,
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LAST = 5
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};
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void setKeyEventTogglesOnScreenStats(int key) { _keyEventTogglesOnScreenStats = key; }
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int getKeyEventTogglesOnScreenStats() const { return _keyEventTogglesOnScreenStats; }
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void setKeyEventPrintsOutStats(int key) { _keyEventPrintsOutStats = key; }
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int getKeyEventPrintsOutStats() const { return _keyEventPrintsOutStats; }
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void setKeyEventToggleVSync(int key) { _keyEventToggleVSync = key; }
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int getKeyEventToggleVSync() const { return _keyEventToggleVSync; }
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double getBlockMultiplier() const { return _blockMultiplier; }
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void reset();
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osg::Camera* getCamera() { return _camera.get(); }
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const osg::Camera* getCamera() const { return _camera.get(); }
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virtual bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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/** This allows the user to register additional stats lines that will
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be added to the graph. The stats for these will be gotten from the
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viewer (viewer->getViewerStats()). The stats can be displayed in
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either or all of the following ways:
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- A numeric time beside the stat name
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Requires that an elapsed time be recorded in the viewer's stats
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for the "timeTakenName".
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- A bar in the top bar graph
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Requires that two times (relative to the viewer's start tick) be
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recorded in the viewer's stats for the "beginTimeName" and
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"endTimeName".
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- A line in the bottom graph
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Requires that an elapsed time be recorded in the viewer's stats
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for the "timeTakenName" and that the value be used as an average.
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If you don't want a numeric value and a line in the bottom line
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graph for your value, pass the empty string for timeTakenName. If
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you don't want a bar in the graph, pass the empty string for
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beginTimeName and endTimeName.
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@param label The label to be displayed to identify the line in the stats.
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@param textColor Will be used for the text label, the numeric time and the bottom line graph.
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@param barColor Will be used for the bar in the top bar graph.
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@param timeTakenName The name to be queried in the viewer stats for the numeric value (also used for the bottom line graph).
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@param multiplier The multiplier to apply to the numeric value before displaying it in the stats.
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@param average Whether to use the average value of the numeric value.
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@param averageInInverseSpace Whether to average in inverse space (used for frame rate).
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@param beginTimeName The name to be queried in the viewer stats for the begin time for the top bar graph.
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@param endTimeName The name to be queried in the viewer stats for the end time for the top bar graph.
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@param maxValue The value to use as maximum in the bottom line graph. Stats will be clamped between 0 and that value, and it will be the highest visible value in the graph.
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*/
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void addUserStatsLine(const std::string& label, const osg::Vec4& textColor, const osg::Vec4& barColor,
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const std::string& timeTakenName, float multiplier, bool average, bool averageInInverseSpace,
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const std::string& beginTimeName, const std::string& endTimeName, float maxValue);
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void removeUserStatsLine(const std::string& label);
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protected:
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void setUpHUDCamera(osgViewer::ViewerBase* viewer);
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void setWindowSize(int width, int height);
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osg::Geometry* createBackgroundRectangle(const osg::Vec3& pos, const float width, const float height, osg::Vec4& color);
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osg::Geometry* createGeometry(const osg::Vec3& pos, float height, const osg::Vec4& colour, unsigned int numBlocks);
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osg::Geometry* createFrameMarkers(const osg::Vec3& pos, float height, const osg::Vec4& colour, unsigned int numBlocks);
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osg::Geometry* createTick(const osg::Vec3& pos, float height, const osg::Vec4& colour, unsigned int numTicks);
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void createTimeStatsLine(const std::string& lineLabel, osg::Vec3 pos,
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const osg::Vec4& textColor, const osg::Vec4& barColor, osg::Stats* viewerStats, osg::Stats* stats,
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const std::string& timeTakenName, float multiplier, bool average, bool averageInInverseSpace,
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const std::string& beginTimeName, const std::string& endTimeName);
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void createCameraTimeStats(osg::Vec3& pos, bool acquireGPUStats, osg::Stats* viewerStats, osg::Camera* camera);
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void setUpScene(osgViewer::ViewerBase* viewer);
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void updateThreadingModelText();
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int _keyEventTogglesOnScreenStats;
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int _keyEventPrintsOutStats;
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int _keyEventToggleVSync;
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int _statsType;
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bool _initialized;
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osg::ref_ptr<osg::Camera> _camera;
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osg::ref_ptr<osg::Switch> _switch;
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osg::ref_ptr<osg::Geode> _statsGeode;
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ViewerBase::ThreadingModel _threadingModel;
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osg::ref_ptr<osgText::Text> _threadingModelText;
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unsigned int _frameRateChildNum;
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unsigned int _viewerChildNum;
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unsigned int _cameraSceneChildNum;
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unsigned int _viewerSceneChildNum;
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unsigned int _numBlocks;
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double _blockMultiplier;
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float _statsWidth;
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float _statsHeight;
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std::string _font;
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float _startBlocks;
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float _leftPos;
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float _characterSize;
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float _lineHeight;
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struct UserStatsLine
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{
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std::string label;
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osg::Vec4 textColor;
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osg::Vec4 barColor;
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std::string timeTakenName;
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float multiplier;
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bool average;
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bool averageInInverseSpace;
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std::string beginTimeName;
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std::string endTimeName;
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float maxValue;
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UserStatsLine(const std::string& label_, const osg::Vec4& textColor_, const osg::Vec4& barColor_,
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const std::string& timeTakenName_, float multiplier_, bool average_, bool averageInInverseSpace_,
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const std::string& beginTimeName_, const std::string& endTimeName_, float maxValue_)
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: label(label_), textColor(textColor_), barColor(barColor_),
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timeTakenName(timeTakenName_), multiplier(multiplier_), average(average_), averageInInverseSpace(averageInInverseSpace_),
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beginTimeName(beginTimeName_), endTimeName(endTimeName_), maxValue(maxValue_)
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{
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}
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};
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typedef std::vector<UserStatsLine> UserStatsLines;
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UserStatsLines _userStatsLines;
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};
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/** Event handler allowing to change the screen resolution (in windowed mode) and toggle between fullscreen and windowed mode. */
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class OSGVIEWER_EXPORT WindowSizeHandler : public osgGA::GUIEventHandler
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{
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public:
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WindowSizeHandler();
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage &usage) const;
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void setKeyEventToggleFullscreen(int key) { _keyEventToggleFullscreen = key; }
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int getKeyEventToggleFullscreen() const { return _keyEventToggleFullscreen; }
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void setToggleFullscreen(bool flag) { _toggleFullscreen = flag; }
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bool getToggleFullscreen() const { return _toggleFullscreen; }
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void setKeyEventWindowedResolutionUp(int key) { _keyEventWindowedResolutionUp = key; }
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int getKeyEventWindowedResolutionUp() const { return _keyEventWindowedResolutionUp; }
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void setKeyEventWindowedResolutionDown(int key) { _keyEventWindowedResolutionDown = key; }
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int getKeyEventWindowedResolutionDown() const { return _keyEventWindowedResolutionDown; }
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void setChangeWindowedResolution(bool flag) { _changeWindowedResolution = flag; }
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bool getChangeWindowedResolution() const { return _changeWindowedResolution; }
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virtual bool handle(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa);
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protected:
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void toggleFullscreen(osgViewer::GraphicsWindow *window);
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void changeWindowedResolution(osgViewer::GraphicsWindow *window, bool increase);
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unsigned int getNearestResolution(int screenWidth, int screenHeight, int width, int height) const;
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int _keyEventToggleFullscreen;
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bool _toggleFullscreen;
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int _keyEventWindowedResolutionUp;
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int _keyEventWindowedResolutionDown;
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bool _changeWindowedResolution;
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std::vector<osg::Vec2> _resolutionList;
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int _currentResolutionIndex;
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};
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/** Event handler allowing to change the viewer threading model */
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class OSGVIEWER_EXPORT ThreadingHandler : public osgGA::GUIEventHandler
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{
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public:
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ThreadingHandler();
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage &usage) const;
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void setKeyEventChangeThreadingModel(int key) { _keyEventChangeThreadingModel = key; }
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int getKeyEventChangeThreadingModel() const { return _keyEventChangeThreadingModel; }
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void setChangeThreadingModel(bool flag) { _changeThreadingModel = flag; }
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bool getChangeThreadingModel() const { return _changeThreadingModel; }
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void setKeyEventChangeEndBarrierPosition(int key) { _keyEventChangeEndBarrierPosition = key; }
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int getKeyEventChangeEndBarrierPosition() const { return _keyEventChangeEndBarrierPosition; }
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void setChangeEndBarrierPosition(bool flag) { _changeEndBarrierPosition = flag; }
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bool getChangeEndBarrierPosition() const { return _changeEndBarrierPosition; }
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bool handle(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa);
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protected:
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int _keyEventChangeThreadingModel;
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bool _changeThreadingModel;
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int _keyEventChangeEndBarrierPosition;
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bool _changeEndBarrierPosition;
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osg::Timer_t _tickOrLastKeyPress;
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bool _done;
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};
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/**
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* Event handler allowing the user to record the animation "path" of a camera. In it's current
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* implementation, this handler cannot guarantee the final view matrix is correct; it is
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* conceivable that the matrix may be one frame off. Eh--not a big deal! :)
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* TODO: Write the file as we go, not when it's all done.
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* TODO: Create an osgviewer on-screen indication that animation is taking place.
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*/
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class OSGVIEWER_EXPORT RecordCameraPathHandler : public osgGA::GUIEventHandler
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{
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public:
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RecordCameraPathHandler(const std::string &filename = "saved_animation.path", float fps = 25.0f);
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void setKeyEventToggleRecord(int key) { _keyEventToggleRecord = key; }
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int getKeyEventToggleRecord() const { return _keyEventToggleRecord; }
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void setKeyEventTogglePlayback(int key) { _keyEventTogglePlayback = key; }
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int getKeyEventTogglePlayback() const { return _keyEventTogglePlayback; }
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void setAutoIncrementFilename( bool autoinc = true ) { _autoinc = autoinc?0:-1; }
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virtual void getUsage(osg::ApplicationUsage &usage) const;
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bool handle(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa);
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protected:
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std::string _filename;
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int _autoinc;
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osgDB::ofstream _fout;
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int _keyEventToggleRecord;
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int _keyEventTogglePlayback;
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bool _currentlyRecording;
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bool _currentlyPlaying;
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double _interval;
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double _delta;
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osg::Timer_t _animStartTime;
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osg::Timer_t _lastFrameTime;
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osg::ref_ptr<osg::AnimationPath> _animPath;
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osg::ref_ptr<osgGA::AnimationPathManipulator> _animPathManipulator;
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osg::ref_ptr<osgGA::CameraManipulator> _oldManipulator;
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};
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/** Event handler for increase/decreasing LODScale.*/
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class OSGVIEWER_EXPORT LODScaleHandler : public osgGA::GUIEventHandler
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{
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public:
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LODScaleHandler();
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void setKeyEventIncreaseLODScale(int key) { _keyEventIncreaseLODScale = key; }
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int getKeyEventIncreaseLODScale() const { return _keyEventIncreaseLODScale; }
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void setKeyEventDecreaseLODScale(int key) { _keyEventDecreaseLODScale = key; }
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int getKeyEventDecreaseLODScale() const { return _keyEventDecreaseLODScale; }
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bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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protected:
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int _keyEventIncreaseLODScale;
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int _keyEventDecreaseLODScale;
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};
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/** Event handler for toggling SyncToVBlank.*/
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class OSGVIEWER_EXPORT ToggleSyncToVBlankHandler : public osgGA::GUIEventHandler
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{
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public:
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ToggleSyncToVBlankHandler();
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void setKeyEventToggleSyncToVBlankHandler(int key) { _keyEventToggleSyncToVBlank = key; }
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int getKeyEventToggleSyncToVBlankHandler() const { return _keyEventToggleSyncToVBlank; }
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bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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protected:
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int _keyEventToggleSyncToVBlank;
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};
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/** Event handler that will capture the screen on key press. */
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class OSGVIEWER_EXPORT ScreenCaptureHandler : public osgGA::GUIEventHandler
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{
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public:
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/** Abstract base class for what to do when a screen capture happens. */
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class CaptureOperation : public osg::Referenced
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{
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public:
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virtual void operator()(const osg::Image& image, const unsigned int context_id) = 0;
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};
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/** Concrete implementation of a CaptureOperation that writes the screen capture to a file. */
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class OSGVIEWER_EXPORT WriteToFile : public CaptureOperation
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{
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public:
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enum SavePolicy
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{
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OVERWRITE,
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SEQUENTIAL_NUMBER
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// ... any others?
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};
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WriteToFile(const std::string& filename, const std::string& extension, SavePolicy savePolicy = SEQUENTIAL_NUMBER);
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virtual void operator()(const osg::Image& image, const unsigned int context_id);
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void setSavePolicy(SavePolicy savePolicy) { _savePolicy = savePolicy; }
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SavePolicy getSavePolicy() const { return _savePolicy; }
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protected:
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WriteToFile& operator = (const WriteToFile&) { return *this; }
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const std::string _filename;
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const std::string _extension;
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SavePolicy _savePolicy;
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std::vector<unsigned int> _contextSaveCounter;
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};
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/** @param numFrames >0: capture that number of frames. <0: capture all frames, call stopCapture() to stop it. */
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ScreenCaptureHandler(CaptureOperation* defaultOperation = 0, int numFrames = 1);
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void setKeyEventTakeScreenShot(int key) { _keyEventTakeScreenShot = key; }
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int getKeyEventTakeScreenShot() const { return _keyEventTakeScreenShot; }
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void setKeyEventToggleContinuousCapture(int key) { _keyEventToggleContinuousCapture = key; }
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int getKeyEventToggleContinuousCapture() const { return _keyEventToggleContinuousCapture; }
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void setCaptureOperation(CaptureOperation* operation);
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CaptureOperation* getCaptureOperation() const;
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// aa will point to an osgViewer::View, so we will take a screenshot
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// of that view's graphics contexts.
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virtual bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);
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/** Capture the given viewer's views on the next frame. */
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virtual void captureNextFrame(osgViewer::ViewerBase& viewer);
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/** Set the number of frames to capture.
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@param numFrames >0: capture that number of frames. <0: capture all frames, call stopCapture() to stop it. */
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void setFramesToCapture(int numFrames);
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/** Get the number of frames to capture. */
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int getFramesToCapture() const;
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/** Start capturing any viewer(s) the handler is attached to at the
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end of the next frame. */
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void startCapture();
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/** Stop capturing. */
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void stopCapture();
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/** Get the keyboard and mouse usage of this manipulator.*/
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virtual void getUsage(osg::ApplicationUsage& usage) const;
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protected:
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bool _startCapture;
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bool _stopCapture;
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int _keyEventTakeScreenShot;
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int _keyEventToggleContinuousCapture;
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// there could be a key to start taking screenshots every new frame
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osg::ref_ptr<CaptureOperation> _operation;
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osg::ref_ptr<osg::Camera::DrawCallback> _callback;
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void addCallbackToViewer(osgViewer::ViewerBase& viewer);
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void removeCallbackFromViewer(osgViewer::ViewerBase& viewer);
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osg::Camera* findAppropriateCameraForCallback(osgViewer::ViewerBase& viewer);
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};
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/** InteractiveImage is an event handler that computes the mouse coordinates in an images coordinate frame
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* and then passes keyboard and mouse events to it. This event handler is useful for vnc or browser
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* surfaces in the 3D scene.*/
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class OSGVIEWER_EXPORT InteractiveImageHandler : public osgGA::GUIEventHandler, public osg::Drawable::CullCallback
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{
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public:
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/// Constructor to use when the InteractiveImage is in the 3D scene (i.e. not in a fullscreen HUD overlay).
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InteractiveImageHandler(osg::Image* image);
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/// Constructor to use when the InteractiveImage is in a fullscreen HUD overlay.
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InteractiveImageHandler(osg::Image* image, osg::Texture2D* texture, osg::Camera* camera);
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META_Object(osgViewer, InteractiveImageHandler);
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// use the osgGA::GUIEventHandler implementation of run.
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virtual bool run(osg::Object* object, osg::Object* data) { return osgGA::GUIEventHandler::run(object, data); }
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virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv);
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virtual bool cull(osg::NodeVisitor* nv, osg::Drawable* drawable, osg::RenderInfo* renderInfo) const;
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protected:
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virtual ~InteractiveImageHandler() {}
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InteractiveImageHandler() {}
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InteractiveImageHandler(const InteractiveImageHandler&,const osg::CopyOp& = osg::CopyOp::SHALLOW_COPY):
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osg::Callback(), osgGA::GUIEventHandler(), osg::Drawable::CullCallback(), _fullscreen(false) {}
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bool mousePosition(osgViewer::View* view, osg::NodeVisitor* nv, const osgGA::GUIEventAdapter& ea, int& x, int &y) const;
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void resize(int width, int height);
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osg::observer_ptr<osg::Image> _image;
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osg::observer_ptr<osg::Texture2D> _texture;
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bool _fullscreen;
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osg::observer_ptr<osg::Camera> _camera;
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};
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}
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#endif
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