357 lines
11 KiB
C++
357 lines
11 KiB
C++
/* OpenSceneGraph example, osgtexture3D.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include <osg/Node>
|
|
#include <osg/Geometry>
|
|
#include <osg/Notify>
|
|
#include <osg/Texture1D>
|
|
#include <osg/Texture2D>
|
|
#include <osg/Texture3D>
|
|
#include <osg/TextureRectangle>
|
|
#include <osg/ImageSequence>
|
|
#include <osg/Geode>
|
|
|
|
#include <osgDB/Registry>
|
|
#include <osgDB/ReadFile>
|
|
#include <osgDB/WriteFile>
|
|
|
|
#include <osgViewer/Viewer>
|
|
#include <osgViewer/ViewerEventHandlers>
|
|
|
|
#include <iostream>
|
|
|
|
|
|
|
|
|
|
//
|
|
// A simple demo demonstrating how to set on an animated texture using an osg::ImageSequence
|
|
//
|
|
|
|
osg::StateSet* createState(osg::ArgumentParser& arguments)
|
|
{
|
|
osg::ref_ptr<osg::ImageSequence> imageSequence = new osg::ImageSequence;
|
|
|
|
bool preLoad = true;
|
|
|
|
while (arguments.read("--page-and-discard"))
|
|
{
|
|
imageSequence->setMode(osg::ImageSequence::PAGE_AND_DISCARD_USED_IMAGES);
|
|
preLoad = false;
|
|
}
|
|
|
|
while (arguments.read("--page-and-retain"))
|
|
{
|
|
imageSequence->setMode(osg::ImageSequence::PAGE_AND_RETAIN_IMAGES);
|
|
preLoad = false;
|
|
}
|
|
|
|
while (arguments.read("--preload"))
|
|
{
|
|
imageSequence->setMode(osg::ImageSequence::PRE_LOAD_ALL_IMAGES);
|
|
preLoad = true;
|
|
}
|
|
|
|
double length = -1.0;
|
|
while (arguments.read("--length",length)) {}
|
|
|
|
if (arguments.argc()>1)
|
|
{
|
|
for(int i=1; i<arguments.argc(); ++i)
|
|
{
|
|
if (preLoad)
|
|
{
|
|
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(arguments[i]);
|
|
if (image.valid())
|
|
{
|
|
imageSequence->addImage(image.get());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
imageSequence->addImageFile(arguments[i]);
|
|
}
|
|
}
|
|
|
|
if (length>0.0)
|
|
{
|
|
imageSequence->setLength(length);
|
|
}
|
|
else
|
|
{
|
|
unsigned int maxNum = osg::maximum(imageSequence->getFileNames().size(),
|
|
imageSequence->getImages().size());
|
|
|
|
imageSequence->setLength(float(maxNum)*0.1f);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (length>0.0)
|
|
{
|
|
imageSequence->setLength(length);
|
|
}
|
|
else
|
|
{
|
|
imageSequence->setLength(4.0);
|
|
}
|
|
imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/posx.png"));
|
|
imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/negx.png"));
|
|
imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/posy.png"));
|
|
imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/negy.png"));
|
|
imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/posz.png"));
|
|
imageSequence->addImage(osgDB::readImageFile("Cubemap_axis/negz.png"));
|
|
}
|
|
|
|
// start the image sequence playing
|
|
imageSequence->play();
|
|
|
|
#if 1
|
|
osg::Texture2D* texture = new osg::Texture2D;
|
|
texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
|
|
texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
|
|
texture->setWrap(osg::Texture::WRAP_R,osg::Texture::REPEAT);
|
|
texture->setResizeNonPowerOfTwoHint(false);
|
|
texture->setImage(imageSequence.get());
|
|
//texture->setTextureSize(512,512);
|
|
#else
|
|
osg::TextureRectangle* texture = new osg::TextureRectangle;
|
|
texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
|
|
texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
|
|
texture->setWrap(osg::Texture::WRAP_R,osg::Texture::REPEAT);
|
|
texture->setImage(imageSequence.get());
|
|
//texture->setTextureSize(512,512);
|
|
#endif
|
|
|
|
// create the StateSet to store the texture data
|
|
osg::StateSet* stateset = new osg::StateSet;
|
|
|
|
stateset->setTextureAttributeAndModes(0,texture,osg::StateAttribute::ON);
|
|
|
|
return stateset;
|
|
}
|
|
|
|
osg::Node* createModel(osg::ArgumentParser& arguments)
|
|
{
|
|
|
|
// create the geometry of the model, just a simple 2d quad right now.
|
|
osg::Geode* geode = new osg::Geode;
|
|
geode->addDrawable(osg::createTexturedQuadGeometry(osg::Vec3(0.0f,0.0f,0.0), osg::Vec3(1.0f,0.0f,0.0), osg::Vec3(0.0f,0.0f,1.0f)));
|
|
|
|
geode->setStateSet(createState(arguments));
|
|
|
|
return geode;
|
|
|
|
}
|
|
|
|
|
|
osg::ImageStream* s_imageStream = 0;
|
|
class MovieEventHandler : public osgGA::GUIEventHandler
|
|
{
|
|
public:
|
|
|
|
MovieEventHandler():_playToggle(true),_trackMouse(false) {}
|
|
|
|
void setMouseTracking(bool track) { _trackMouse = track; }
|
|
bool getMouseTracking() const { return _trackMouse; }
|
|
|
|
void set(osg::Node* node);
|
|
|
|
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv);
|
|
|
|
virtual void getUsage(osg::ApplicationUsage& usage) const;
|
|
|
|
typedef std::vector< osg::observer_ptr<osg::ImageStream> > ImageStreamList;
|
|
|
|
protected:
|
|
|
|
virtual ~MovieEventHandler() {}
|
|
|
|
class FindImageStreamsVisitor : public osg::NodeVisitor
|
|
{
|
|
public:
|
|
FindImageStreamsVisitor(ImageStreamList& imageStreamList):
|
|
_imageStreamList(imageStreamList) {}
|
|
|
|
virtual void apply(osg::Geode& geode)
|
|
{
|
|
apply(geode.getStateSet());
|
|
|
|
for(unsigned int i=0;i<geode.getNumDrawables();++i)
|
|
{
|
|
apply(geode.getDrawable(i)->getStateSet());
|
|
}
|
|
|
|
traverse(geode);
|
|
}
|
|
|
|
virtual void apply(osg::Node& node)
|
|
{
|
|
apply(node.getStateSet());
|
|
traverse(node);
|
|
}
|
|
|
|
inline void apply(osg::StateSet* stateset)
|
|
{
|
|
if (!stateset) return;
|
|
|
|
osg::StateAttribute* attr = stateset->getTextureAttribute(0,osg::StateAttribute::TEXTURE);
|
|
if (attr)
|
|
{
|
|
osg::Texture2D* texture2D = dynamic_cast<osg::Texture2D*>(attr);
|
|
if (texture2D) apply(dynamic_cast<osg::ImageStream*>(texture2D->getImage()));
|
|
|
|
osg::TextureRectangle* textureRec = dynamic_cast<osg::TextureRectangle*>(attr);
|
|
if (textureRec) apply(dynamic_cast<osg::ImageStream*>(textureRec->getImage()));
|
|
}
|
|
}
|
|
|
|
inline void apply(osg::ImageStream* imagestream)
|
|
{
|
|
if (imagestream)
|
|
{
|
|
_imageStreamList.push_back(imagestream);
|
|
s_imageStream = imagestream;
|
|
}
|
|
}
|
|
|
|
ImageStreamList& _imageStreamList;
|
|
};
|
|
|
|
|
|
bool _playToggle;
|
|
bool _trackMouse;
|
|
ImageStreamList _imageStreamList;
|
|
|
|
};
|
|
|
|
|
|
|
|
void MovieEventHandler::set(osg::Node* node)
|
|
{
|
|
_imageStreamList.clear();
|
|
if (node)
|
|
{
|
|
FindImageStreamsVisitor fisv(_imageStreamList);
|
|
node->accept(fisv);
|
|
}
|
|
}
|
|
|
|
|
|
bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv)
|
|
{
|
|
switch(ea.getEventType())
|
|
{
|
|
case(osgGA::GUIEventAdapter::KEYDOWN):
|
|
{
|
|
if (ea.getKey()=='p')
|
|
{
|
|
for(ImageStreamList::iterator itr=_imageStreamList.begin();
|
|
itr!=_imageStreamList.end();
|
|
++itr)
|
|
{
|
|
if ((*itr)->getStatus()==osg::ImageStream::PLAYING)
|
|
{
|
|
// playing, so pause
|
|
std::cout<<"Pause"<<std::endl;
|
|
(*itr)->pause();
|
|
}
|
|
else
|
|
{
|
|
// playing, so pause
|
|
std::cout<<"Play"<<std::endl;
|
|
(*itr)->play();
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='r')
|
|
{
|
|
for(ImageStreamList::iterator itr=_imageStreamList.begin();
|
|
itr!=_imageStreamList.end();
|
|
++itr)
|
|
{
|
|
std::cout<<"Restart"<<std::endl;
|
|
(*itr)->rewind();
|
|
}
|
|
return true;
|
|
}
|
|
else if (ea.getKey()=='L')
|
|
{
|
|
for(ImageStreamList::iterator itr=_imageStreamList.begin();
|
|
itr!=_imageStreamList.end();
|
|
++itr)
|
|
{
|
|
if ( (*itr)->getLoopingMode() == osg::ImageStream::LOOPING)
|
|
{
|
|
std::cout<<"Toggle Looping Off"<<std::endl;
|
|
(*itr)->setLoopingMode( osg::ImageStream::NO_LOOPING );
|
|
}
|
|
else
|
|
{
|
|
std::cout<<"Toggle Looping On"<<std::endl;
|
|
(*itr)->setLoopingMode( osg::ImageStream::LOOPING );
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void MovieEventHandler::getUsage(osg::ApplicationUsage& usage) const
|
|
{
|
|
usage.addKeyboardMouseBinding("p","Play/Pause movie");
|
|
usage.addKeyboardMouseBinding("r","Restart movie");
|
|
usage.addKeyboardMouseBinding("l","Toggle looping of movie");
|
|
}
|
|
|
|
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
osg::ArgumentParser arguments(&argc,argv);
|
|
|
|
// construct the viewer.
|
|
osgViewer::Viewer viewer(arguments);
|
|
|
|
std::string filename;
|
|
arguments.read("-o",filename);
|
|
|
|
// create a model from the images and pass it to the viewer.
|
|
viewer.setSceneData(createModel(arguments));
|
|
|
|
// pass the model to the MovieEventHandler so it can pick out ImageStream's to manipulate.
|
|
MovieEventHandler* meh = new MovieEventHandler();
|
|
meh->set( viewer.getSceneData() );
|
|
viewer.addEventHandler( meh );
|
|
|
|
viewer.addEventHandler( new osgViewer::StatsHandler());
|
|
|
|
if (!filename.empty())
|
|
{
|
|
osgDB::writeNodeFile(*viewer.getSceneData(),filename);
|
|
}
|
|
|
|
return viewer.run();
|
|
}
|