780 lines
23 KiB
C++
780 lines
23 KiB
C++
/* OpenSceneGraph example, osgphotoalbum.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <osg/Notify>
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#include <osg/MatrixTransform>
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#include <osg/Switch>
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#include <osg/PolygonOffset>
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#include <osg/CullFace>
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#include <osgUtil/Optimizer>
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#include <osgDB/FileNameUtils>
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#include <osgText/Text>
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#include <osgViewer/Viewer>
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#include "ImageReaderWriter.h"
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#include <iostream>
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using namespace osg;
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// now register with Registry to instantiate the above reader/writer,
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// declaring in main so that the code to set up PagedLOD can get a handle
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// to the ImageReaderWriter's
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osgDB::RegisterReaderWriterProxy<ImageReaderWriter> g_ImageReaderWriter;
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class Album;
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class Page : public osg::Transform
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{
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public:
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static Page* createPage(Album* album, unsigned int pageNo, const std::string& frontFileName, const std::string& backFileName, float width, float height)
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{
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osg::ref_ptr<Page> page = new Page(album, pageNo, frontFileName, backFileName, width, height);
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if (page.valid()) return page.release();
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else return 0;
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}
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virtual void traverse(osg::NodeVisitor& nv);
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void setRotation(float angle)
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{
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_rotation = angle;
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_targetRotation = angle;
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dirtyBound();
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}
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float getRotation() const { return _rotation; }
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void rotateTo(float angle, float timeToRotateBy)
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{
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_targetRotation = angle;
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_targetTime = timeToRotateBy;
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}
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bool rotating() const { return _targetRotation!=_rotation; }
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void setPageVisible(bool frontVisible,bool backVisible)
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{
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_switch->setValue(0,!frontVisible && !backVisible);
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_switch->setValue(1,frontVisible);
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_switch->setValue(2,backVisible);
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}
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osg::Switch* getSwitch() { return _switch.get(); }
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const osg::Switch* getSwitch() const { return _switch.get(); }
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public:
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virtual bool computeLocalToWorldMatrix(osg::Matrix& matrix,osg::NodeVisitor*) const
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{
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if (_referenceFrame==RELATIVE_RF)
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{
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matrix.preMult(getMatrix());
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}
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else // absolute
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{
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matrix = getMatrix();
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}
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return true;
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}
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/** Get the transformation matrix which moves from world coords to local coords.*/
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virtual bool computeWorldToLocalMatrix(osg::Matrix& matrix,osg::NodeVisitor*) const
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{
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const osg::Matrix& inverse = getInverseMatrix();
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if (_referenceFrame==RELATIVE_RF)
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{
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matrix.postMult(inverse);
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}
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else // absolute
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{
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matrix = inverse;
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}
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return true;
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}
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osg::Matrix getMatrix() const { return _pageOffset*osg::Matrix::rotate(-_rotation,0.0f,0.0f,1.0f); }
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osg::Matrix getInverseMatrix() const { return osg::Matrix::inverse(getMatrix()); }
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protected:
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Page(Album* album, unsigned int pageNo, const std::string& frontFileName, const std::string& backFileName, float width, float height);
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float _rotation;
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osg::Matrix _pageOffset;
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float _targetRotation;
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float _targetTime;
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float _lastTimeTraverse;
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osg::ref_ptr<osg::Switch> _switch;
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};
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class Album : public osg::Referenced
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{
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public:
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Album(osg::ArgumentParser& ap, float width, float height);
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osg::Group* getScene() { return _group.get(); }
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const osg::Group* getScene() const { return _group.get(); }
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osg::Matrix getPageOffset(unsigned int pageNo) const;
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bool nextPage(float timeToRotateBy) { return gotoPage(_currentPageNo+1,timeToRotateBy); }
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bool previousPage(float timeToRotateBy) { return _currentPageNo>=1?gotoPage(_currentPageNo-1,timeToRotateBy):false; }
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bool gotoPage(unsigned int pageNo, float timeToRotateBy);
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osg::StateSet* getBackgroundStateSet() { return _backgroundStateSet.get(); }
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void setVisibility();
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protected:
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typedef std::vector< osg::ref_ptr<Page> > PageList;
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osg::ref_ptr<osg::Group> _group;
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PageList _pages;
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osg::ref_ptr<osg::StateSet> _backgroundStateSet;
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unsigned int _currentPageNo;
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float _radiusOfRings;
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float _startAngleOfPages;
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float _deltaAngleBetweenPages;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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Page::Page(Album* album, unsigned int pageNo, const std::string& frontFileName, const std::string& backFileName, float width, float height)
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{
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// set up transform parts.
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_rotation = 0;
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_targetRotation = 0;
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_targetTime = 0;
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_lastTimeTraverse = 0;
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_pageOffset = album->getPageOffset(pageNo);
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setNumChildrenRequiringUpdateTraversal(1);
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// set up subgraph
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osgDB::ReaderWriter* readerWriter = osgDB::Registry::instance()->getReaderWriterForExtension("gdal");
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if (!readerWriter)
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{
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std::cout<<"Error: GDAL plugin not available, cannot proceed with database creation"<<std::endl;
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}
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_switch = new osg::Switch;
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ImageReaderWriter* rw = g_ImageReaderWriter.get();
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// set up non visible page.
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osg::Group* non_visible_page = new osg::Group;
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_switch->addChild(non_visible_page);
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{
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osg::Geometry* geom = new osg::Geometry;
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geom->setStateSet(album->getBackgroundStateSet());
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osg::Vec3Array* coords = new osg::Vec3Array(8);
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(*coords)[0].set(0.0f,0.0f,0.0f);
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(*coords)[1].set(0.0f,0.0f,height);
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(*coords)[2].set(0.0f,0.0f,height);
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(*coords)[3].set(width,0.0f,height);
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(*coords)[4].set(width,0.0f,height);
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(*coords)[5].set(width,0.0f,0.0f);
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(*coords)[6].set(width,0.0f,0.0f);
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(*coords)[7].set(0.0f,0.0f,0.0f);
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geom->setVertexArray(coords);
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osg::Vec3Array* normals = new osg::Vec3Array(8);
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(*normals)[0].set(-1.0f,0.0f,0.0f);
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(*normals)[1].set(-1.0f,0.0f,0.0f);
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(*normals)[2].set(0.0f,0.0f,-1.0f);
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(*normals)[3].set(0.0f,0.0f,-1.0f);
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(*normals)[4].set(1.0f,0.0f,0.0f);
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(*normals)[5].set(1.0f,0.0f,0.0f);
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(*normals)[6].set(0.0f,0.0f,1.0f);
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(*normals)[7].set(0.0f,0.0f,1.0f);
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geom->setNormalArray(normals, osg::Array::BIND_PER_VERTEX);
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osg::Vec2Array* tcoords = new osg::Vec2Array(8);
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(*tcoords)[0].set(0.0f,0.0f);
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(*tcoords)[1].set(0.0f,1.0f);
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(*tcoords)[2].set(0.0f,1.0f);
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(*tcoords)[3].set(1.0f,1.0f);
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(*tcoords)[4].set(1.0f,1.0f);
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(*tcoords)[5].set(0.0f,1.0f);
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(*tcoords)[6].set(0.0f,1.0f);
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(*tcoords)[7].set(0.0f,0.0f);
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geom->setTexCoordArray(0,tcoords);
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osg::Vec4Array* colours = new osg::Vec4Array(1);
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(*colours)[0].set(1.0f,1.0f,1.0,1.0f);
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geom->setColorArray(colours, osg::Array::BIND_OVERALL);
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geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::LINES,0,8));
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// set up the geode.
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osg::Geode* geode = new osg::Geode;
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geode->addDrawable(geom);
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non_visible_page->addChild(geode);
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}
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// set up visible page.
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osg::Group* front_page = new osg::Group;
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_switch->addChild(front_page);
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{
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osg::Geometry* geom = new osg::Geometry;
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geom->setStateSet(album->getBackgroundStateSet());
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osg::Vec3Array* coords = new osg::Vec3Array(4);
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(*coords)[0].set(0.0f,0.0,height);
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(*coords)[1].set(0.0f,0.0,0);
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(*coords)[2].set(width,0.0,0);
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(*coords)[3].set(width,0.0,height);
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geom->setVertexArray(coords);
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osg::Vec3Array* normals = new osg::Vec3Array(1);
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(*normals)[0].set(0.0f,-1.0f,0.0f);
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geom->setNormalArray(normals, osg::Array::BIND_OVERALL);
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osg::Vec2Array* tcoords = new osg::Vec2Array(4);
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(*tcoords)[0].set(0.0f,1.0f);
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(*tcoords)[1].set(0.0f,0.0f);
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(*tcoords)[2].set(1.0f,0.0f);
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(*tcoords)[3].set(1.0f,1.0f);
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geom->setTexCoordArray(0,tcoords);
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osg::Vec4Array* colours = new osg::Vec4Array(1);
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(*colours)[0].set(1.0f,1.0f,1.0,1.0f);
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geom->setColorArray(colours, osg::Array::BIND_OVERALL);
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geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS,0,4));
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// set up the geode.
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osg::Geode* geode = new osg::Geode;
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geode->addDrawable(geom);
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front_page->addChild(geode);
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}
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if (!frontFileName.empty())
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{
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float cut_off_distance = 8.0f;
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float max_visible_distance = 300.0f;
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osg::Vec3 center(width*0.5f,0.0f,height*0.5f);
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osgText::Text* text = new osgText::Text;
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text->setFont("fonts/arial.ttf");
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text->setPosition(center);
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text->setCharacterSize(height/20.0f);
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text->setAlignment(osgText::Text::CENTER_CENTER);
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text->setAxisAlignment(osgText::Text::XZ_PLANE);
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text->setColor(osg::Vec4(1.0f,1.0f,0.0f,1.0f));
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text->setText(std::string("Loading ")+frontFileName);
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osg::Geode* geode = new osg::Geode;
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geode->addDrawable(text);
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osg::PagedLOD* pagedlod = new osg::PagedLOD;
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pagedlod->setCenter(center);
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pagedlod->setRadius(1.6f);
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pagedlod->setNumChildrenThatCannotBeExpired(2);
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pagedlod->setRange(0,max_visible_distance,1e7);
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pagedlod->addChild(geode);
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pagedlod->setRange(1,cut_off_distance,max_visible_distance);
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pagedlod->setFileName(1,rw->insertReference(frontFileName,256,width,height,false));
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pagedlod->setRange(2,0.0f,cut_off_distance);
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pagedlod->setFileName(2,rw->insertReference(frontFileName,1024,width,height,false));
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front_page->addChild(pagedlod);
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}
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// set up back of page.
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osg::Group* back_page = new osg::Group;
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_switch->addChild(back_page);
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{
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osg::Geometry* geom = new osg::Geometry;
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geom->setStateSet(album->getBackgroundStateSet());
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osg::Vec3Array* coords = new osg::Vec3Array(4);
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(*coords)[0].set(width,0.0,height);
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(*coords)[1].set(width,0.0,0);
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(*coords)[2].set(0.0f,0.0,0);
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(*coords)[3].set(0.0f,0.0,height);
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geom->setVertexArray(coords);
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osg::Vec3Array* normals = new osg::Vec3Array(1);
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(*normals)[0].set(0.0f,1.0f,0.0f);
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geom->setNormalArray(normals, osg::Array::BIND_OVERALL);
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osg::Vec2Array* tcoords = new osg::Vec2Array(4);
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(*tcoords)[0].set(1.0f,1.0f);
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(*tcoords)[1].set(1.0f,0.0f);
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(*tcoords)[2].set(0.0f,0.0f);
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(*tcoords)[3].set(0.0f,1.0f);
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geom->setTexCoordArray(0,tcoords);
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osg::Vec4Array* colours = new osg::Vec4Array(1);
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(*colours)[0].set(1.0f,1.0f,1.0,1.0f);
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geom->setColorArray(colours, osg::Array::BIND_OVERALL);
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geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS,0,4));
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// set up the geode.
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osg::Geode* geode = new osg::Geode;
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geode->addDrawable(geom);
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back_page->addChild(geode);
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}
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if (!backFileName.empty())
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{
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float cut_off_distance = 8.0f;
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float max_visible_distance = 300.0f;
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osg::Vec3 center(width*0.5f,0.0f,height*0.5f);
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osgText::Text* text = new osgText::Text;
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text->setFont("fonts/arial.ttf");
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text->setPosition(center);
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text->setCharacterSize(height/20.0f);
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text->setAlignment(osgText::Text::CENTER_CENTER);
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text->setAxisAlignment(osgText::Text::REVERSED_XZ_PLANE);
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text->setColor(osg::Vec4(1.0f,1.0f,0.0f,1.0f));
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text->setText(std::string("Loading ")+backFileName);
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osg::Geode* geode = new osg::Geode;
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geode->addDrawable(text);
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osg::PagedLOD* pagedlod = new osg::PagedLOD;
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pagedlod->setCenter(center);
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pagedlod->setRadius(1.6f);
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pagedlod->setNumChildrenThatCannotBeExpired(2);
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pagedlod->setRange(0,max_visible_distance,1e7);
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pagedlod->addChild(geode);
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pagedlod->setRange(1,cut_off_distance,max_visible_distance);
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pagedlod->setFileName(1,rw->insertReference(backFileName,256,width,height,true));
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pagedlod->setRange(2,0.0f,cut_off_distance);
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pagedlod->setFileName(2,rw->insertReference(backFileName,1024,width,height,true));
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back_page->addChild(pagedlod);
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}
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addChild(_switch.get());
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}
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void Page::traverse(osg::NodeVisitor& nv)
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{
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// if app traversal update the frame count.
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if (nv.getVisitorType()==osg::NodeVisitor::UPDATE_VISITOR)
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{
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const osg::FrameStamp* framestamp = nv.getFrameStamp();
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if (framestamp)
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{
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double t = framestamp->getSimulationTime();
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if (_rotation!=_targetRotation)
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{
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if (t>=_targetTime) _rotation = _targetRotation;
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else _rotation += (_targetRotation-_rotation)*(t-_lastTimeTraverse)/(_targetTime-_lastTimeTraverse);
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dirtyBound();
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}
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_lastTimeTraverse = t;
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}
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}
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Transform::traverse(nv);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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Album::Album(osg::ArgumentParser& arguments, float width, float height)
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{
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typedef std::vector<std::string> FileList;
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FileList fileList;
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for(int pos=1;pos<arguments.argc();++pos)
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{
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if (arguments.isString(pos))
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{
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std::string filename(arguments[pos]);
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if (osgDB::getLowerCaseFileExtension(filename)=="album")
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{
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PhotoArchive* photoArchive = PhotoArchive::open(filename);
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if (photoArchive)
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{
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g_ImageReaderWriter.get()->addPhotoArchive(photoArchive);
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photoArchive->getImageFileNameList(fileList);
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}
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}
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else
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{
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fileList.push_back(arguments[pos]);
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}
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}
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}
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_radiusOfRings = 0.02;
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_startAngleOfPages = 0.0f;
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_deltaAngleBetweenPages = osg::PI/(float)fileList.size();
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_group = new osg::Group;
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_group->getOrCreateStateSet()->setAttributeAndModes(new osg::CullFace,osg::StateAttribute::ON);
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_backgroundStateSet = new osg::StateSet;
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_backgroundStateSet->setAttributeAndModes(new osg::PolygonOffset(1.0f,1.0f),osg::StateAttribute::ON);
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// load the images.
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unsigned int i;
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for(i=0;i<fileList.size();i+=2)
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{
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Page* page = i+1<fileList.size()?
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Page::createPage(this,_pages.size(),fileList[i],fileList[i+1], width, height):
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Page::createPage(this,_pages.size(),fileList[i],"", width, height);
|
|
if (page)
|
|
{
|
|
_pages.push_back(page);
|
|
_group->addChild(page);
|
|
}
|
|
}
|
|
|
|
setVisibility();
|
|
|
|
}
|
|
|
|
osg::Matrix Album::getPageOffset(unsigned int pageNo) const
|
|
{
|
|
float angleForPage = _startAngleOfPages+_deltaAngleBetweenPages*(float)pageNo;
|
|
osg::Vec3 delta(_radiusOfRings*sinf(angleForPage),-_radiusOfRings*cosf(angleForPage),0.0f);
|
|
return osg::Matrix::translate(delta);
|
|
}
|
|
|
|
bool Album::gotoPage(unsigned int pageNo, float timeToRotateBy)
|
|
{
|
|
if (pageNo>=_pages.size()) return false;
|
|
|
|
if (pageNo>_currentPageNo)
|
|
{
|
|
for(unsigned int i=_currentPageNo;i<pageNo;++i)
|
|
{
|
|
_pages[i]->rotateTo(osg::PI,timeToRotateBy);
|
|
}
|
|
_currentPageNo = pageNo;
|
|
|
|
return true;
|
|
}
|
|
else if (pageNo<_currentPageNo)
|
|
{
|
|
for(unsigned int i=pageNo;i<_currentPageNo;++i)
|
|
{
|
|
_pages[i]->rotateTo(0,timeToRotateBy);
|
|
}
|
|
_currentPageNo = pageNo;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void Album::setVisibility()
|
|
{
|
|
for(unsigned int i=0;i<_pages.size();++i)
|
|
{
|
|
bool front_visible = _pages[i]->rotating() ||
|
|
(i>0?_pages[i-1]->rotating():false) ||
|
|
i==_currentPageNo ||
|
|
i==0;
|
|
|
|
bool back_visible = _pages[i]->rotating() ||
|
|
((i+1)<_pages.size()?_pages[i+1]->rotating():false) ||
|
|
i==_currentPageNo-1 ||
|
|
i==_pages.size()-1;
|
|
|
|
_pages[i]->setPageVisible(front_visible,back_visible);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
class SlideEventHandler : public osgGA::GUIEventHandler
|
|
{
|
|
public:
|
|
|
|
SlideEventHandler();
|
|
|
|
META_Object(osgStereImageApp,SlideEventHandler);
|
|
|
|
void set(Album* album, float timePerSlide, bool autoSteppingActive);
|
|
|
|
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&);
|
|
|
|
virtual void getUsage(osg::ApplicationUsage& usage) const;
|
|
|
|
protected:
|
|
|
|
~SlideEventHandler() {}
|
|
SlideEventHandler(const SlideEventHandler&,const osg::CopyOp&) {}
|
|
|
|
osg::ref_ptr<Album> _album;
|
|
bool _firstTraversal;
|
|
double _previousTime;
|
|
double _timePerSlide;
|
|
bool _autoSteppingActive;
|
|
};
|
|
|
|
SlideEventHandler::SlideEventHandler():
|
|
_album(0),
|
|
_firstTraversal(true),
|
|
_previousTime(-1.0f),
|
|
_timePerSlide(5.0),
|
|
_autoSteppingActive(false)
|
|
{
|
|
}
|
|
|
|
void SlideEventHandler::set(Album* album, float timePerSlide, bool autoSteppingActive)
|
|
{
|
|
_album = album;
|
|
|
|
_timePerSlide = timePerSlide;
|
|
_autoSteppingActive = autoSteppingActive;
|
|
|
|
}
|
|
|
|
bool SlideEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&)
|
|
{
|
|
switch(ea.getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::KEYDOWN):
|
|
{
|
|
if (ea.getKey()=='a')
|
|
{
|
|
_autoSteppingActive = !_autoSteppingActive;
|
|
_previousTime = ea.getTime();
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='n')
|
|
{
|
|
_album->nextPage(ea.getTime()+1.0f);
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='p')
|
|
{
|
|
_album->previousPage(ea.getTime()+1.0f);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
case(osgGA::GUIEventAdapter::FRAME):
|
|
{
|
|
if (_autoSteppingActive)
|
|
{
|
|
if (_firstTraversal)
|
|
{
|
|
_firstTraversal = false;
|
|
_previousTime = ea.getTime();
|
|
}
|
|
else if (ea.getTime()-_previousTime>_timePerSlide)
|
|
{
|
|
_previousTime = ea.getTime();
|
|
|
|
_album->nextPage(ea.getTime()+1.0f);
|
|
}
|
|
}
|
|
|
|
_album->setVisibility();
|
|
|
|
}
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void SlideEventHandler::getUsage(osg::ApplicationUsage& usage) const
|
|
{
|
|
usage.addKeyboardMouseBinding("Space","Reset the image position to center");
|
|
usage.addKeyboardMouseBinding("a","Toggle on/off the automatic advancement for image to image");
|
|
usage.addKeyboardMouseBinding("n","Advance to next image");
|
|
usage.addKeyboardMouseBinding("p","Move to previous image");
|
|
}
|
|
|
|
int main( int argc, char **argv )
|
|
{
|
|
|
|
// use an ArgumentParser object to manage the program arguments.
|
|
osg::ArgumentParser arguments(&argc,argv);
|
|
|
|
// set up the usage document, in case we need to print out how to use this program.
|
|
arguments.getApplicationUsage()->setDescription(arguments.getApplicationName()+" is the example which demonstrates use node masks to create stereo images.");
|
|
arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] image_file [image_file]");
|
|
arguments.getApplicationUsage()->addCommandLineOption("-d <float>","Time delay in seconds between the display of successive image pairs when in auto advance mode.");
|
|
arguments.getApplicationUsage()->addCommandLineOption("-a","Enter auto advance of image pairs on start up.");
|
|
arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
|
|
arguments.getApplicationUsage()->addCommandLineOption("--create <filename>","Create an photo archive of specified files");
|
|
|
|
|
|
// construct the viewer.
|
|
osgViewer::Viewer viewer(arguments);
|
|
|
|
viewer.setThreadingModel(osgViewer::Viewer::SingleThreaded);
|
|
|
|
// register the handler to add keyboard and mouse handling.
|
|
SlideEventHandler* seh = new SlideEventHandler();
|
|
viewer.addEventHandler(seh);
|
|
|
|
// read any time delay argument.
|
|
float timeDelayBetweenSlides = 5.0f;
|
|
while (arguments.read("-d",timeDelayBetweenSlides)) {}
|
|
|
|
bool autoSteppingActive = false;
|
|
while (arguments.read("-a")) autoSteppingActive = true;
|
|
|
|
// if user request help write it out to cout.
|
|
if (arguments.read("-h") || arguments.read("--help"))
|
|
{
|
|
arguments.getApplicationUsage()->write(std::cout);
|
|
return 1;
|
|
}
|
|
|
|
std::string archiveName;
|
|
while (arguments.read("--create",archiveName)) {}
|
|
|
|
// any option left unread are converted into errors to write out later.
|
|
arguments.reportRemainingOptionsAsUnrecognized();
|
|
|
|
// report any errors if they have occurred when parsing the program arguments.
|
|
if (arguments.errors())
|
|
{
|
|
arguments.writeErrorMessages(std::cout);
|
|
return 1;
|
|
}
|
|
|
|
if (arguments.argc()<=1)
|
|
{
|
|
arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
|
|
return 1;
|
|
}
|
|
|
|
|
|
if (!archiveName.empty())
|
|
{
|
|
// archive name set to create
|
|
PhotoArchive::FileNameList fileNameList;
|
|
for(int i=1;i<arguments.argc();++i)
|
|
{
|
|
if (arguments.isString(i)) fileNameList.push_back(std::string(arguments[i]));
|
|
}
|
|
|
|
PhotoArchive::buildArchive(archiveName,fileNameList);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// now the windows have been realized we switch off the cursor to prevent it
|
|
// distracting the people seeing the stereo images.
|
|
double fovy, aspectRatio, zNear, zFar;
|
|
viewer.getCamera()->getProjectionMatrixAsPerspective(fovy, aspectRatio, zNear, zFar);
|
|
|
|
fovy = osg::DegreesToRadians(fovy);
|
|
double fovx = atan(tan(fovy*0.5)*aspectRatio)*2.0;
|
|
|
|
float radius = 1.0f;
|
|
float width = 2*radius*tan(fovx*0.5f);
|
|
float height = 2*radius*tan(fovy*0.5f);
|
|
|
|
osg::ref_ptr<Album> album = new Album(arguments,width,height);
|
|
|
|
// create the scene from the file list.
|
|
osg::ref_ptr<osg::Group> rootNode = album->getScene();
|
|
|
|
if (!rootNode) return 0;
|
|
|
|
|
|
//osgDB::writeNodeFile(*rootNode,"test.osgt");
|
|
|
|
// set the scene to render
|
|
viewer.setSceneData(album->getScene());
|
|
|
|
// set up the SlideEventHandler.
|
|
seh->set(album.get(),timeDelayBetweenSlides,autoSteppingActive);
|
|
|
|
viewer.realize();
|
|
|
|
// switch off the cursor
|
|
osgViewer::Viewer::Windows windows;
|
|
viewer.getWindows(windows);
|
|
for(osgViewer::Viewer::Windows::iterator itr = windows.begin();
|
|
itr != windows.end();
|
|
++itr)
|
|
{
|
|
(*itr)->useCursor(false);
|
|
}
|
|
|
|
|
|
return viewer.run();
|
|
}
|
|
|