8ed0f3ea95
slide is 0,0,0 and the top right is 1,1,0, and the eye point is at the appex of a frustum at x,y,1.
132 lines
3.7 KiB
C++
132 lines
3.7 KiB
C++
#ifndef SLIDESHOWCONSTUCTOR
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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/Group>
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#include <osg/ClearNode>
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#include <osg/Switch>
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#include <osgText/Text>
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class SlideShowConstructor
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{
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public:
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SlideShowConstructor();
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struct HomePosition : public osg::Referenced
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{
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HomePosition() {}
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HomePosition(const osg::Vec3& in_eye, const osg::Vec3& in_center, const osg::Vec3& in_up):
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eye(in_eye),
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center(in_center),
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up(in_up) {}
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osg::Vec3 eye;
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osg::Vec3 center;
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osg::Vec3 up;
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};
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struct Duration : public osg::Referenced
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{
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Duration(double in_duration):duration(in_duration) {}
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double duration;
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};
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void createPresentation();
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void setBackgroundColor(const osg::Vec4& color);
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void setTextColor(const osg::Vec4& 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 addSlide();
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void setSlideTitle(const std::string& name) { _slideTitle = name; }
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void setSlideBackground(const std::string& name) { _slideBackgroundImageFileName = name; }
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void setSlideDuration(double duration);
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void addLayer();
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void setLayerDuration(double duration);
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void addBullet(const std::string& bullet);
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void addParagraph(const std::string& paragraph);
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void addImage(const std::string& filename,float height);
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void addStereoImagePair(const std::string& filenameLeft,const std::string& filenameRight,float height);
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enum CoordinateFrame { SLIDE, MODEL };
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void addModel(const std::string& filename, CoordinateFrame coordinate_frame, const osg::Vec3& position, float scale, const osg::Vec4& rotate, const osg::Vec4& rotation);
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void addModelWithPath(const std::string& filename, CoordinateFrame coordinate_frame, const osg::Vec3& position, float scale, const osg::Vec4& rotate, const std::string& animation_path);
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void addModelWithCameraPath(const std::string& filename, CoordinateFrame coordinate_frame, const osg::Vec3& position, float scale, const osg::Vec4& rotate, const std::string& animation_path);
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osg::ClearNode* takePresentation() { return _root.release(); }
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osg::ClearNode* 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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osg::Group* getCurrentLayer() { return _currentLayer.get(); }
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protected:
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osg::Vec3 _slideOrigin;
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osg::Vec3 _eyeOrigin;
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float _slideWidth;
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float _slideHeight;
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float _slideDistance;
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osg::Vec4 _backgroundColor;
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osg::Vec4 _textColor;
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std::string _textFont;
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float _titleHeight;
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float _titleWidth;
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float _textHeight;
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float _textWidth;
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std::string _presentationName;
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double _presentationDuration;
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osg::Vec3 _titlePositionRatios;
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osgText::Text::AlignmentType _titleAlignment;
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osg::Vec3 _titleOrigin;
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osg::Vec3 _textOrigin;
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osg::Vec3 _imageOrigin;
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osg::Vec3 _textCursor;
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osg::Vec3 _imageCursor;
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osg::Vec3 _modelCursor;
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osg::ref_ptr<osg::ClearNode> _root;
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osg::ref_ptr<osg::Switch> _presentationSwitch;
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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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osg::ref_ptr<osg::Group> _previousLayer;
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osg::ref_ptr<osg::Group> _currentLayer;
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};
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#endif
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