OpenSceneGraph/examples/osgbrowser/osgbrowser.cpp
2008-11-17 19:15:12 +00:00

627 lines
22 KiB
C++

#include <osg/Image>
#include <osg/Geometry>
#include <osg/Texture2D>
#include <osg/io_utils>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgGA/TrackballManipulator>
#include <osgDB/FileUtils>
#include <osgDB/FileNameUtils>
#include <osgDB/ReadFile>
#include <nsGUIEvent.h>
#include "llmozlib2.h"
class UBrowserImage;
//////////////////////////////////////////////////////////////////////////
//
// UBrowserThread interface
//
class UBrowserThread : public OpenThreads::Thread, public osg::Referenced
{
public:
static osg::ref_ptr<UBrowserThread>& instance();
void init(const std::string& application);
virtual void run();
void* getNativeWindowHandle();
void registerUBrowserImage(UBrowserImage* image)
{
_ubrowserImageList.push_back(image);
}
void unregisterUBrowserImage(UBrowserImage* image)
{
UBrowserImageList::iterator itr = std::find(_ubrowserImageList.begin(), _ubrowserImageList.end(), image);
if (itr != _ubrowserImageList.end()) _ubrowserImageList.erase(itr);
}
void sendKeyEvent(UBrowserImage* image, int key, bool keyDown);
void sendPointerEvent(UBrowserImage* image, int x, int y, int buttonMask);
protected:
UBrowserThread();
virtual ~UBrowserThread();
void setUpKeyMap();
int convertToXULKey(int key) const;
bool _initialized;
bool _done;
std::string _application;
void* _nativeWindowHandle;
typedef std::list< UBrowserImage* > UBrowserImageList;
UBrowserImageList _ubrowserImageList;
typedef std::map<int, int> KeyMap;
KeyMap _keyMap;
int _previousButtonMask;
};
////////////////////////////////////////////////////////////////////////////////////
//
// UBrowser interface
class UBrowserImage : public osg::Image, public LLEmbeddedBrowserWindowObserver
{
public:
UBrowserImage(int width, int height);
virtual void sendPointerEvent(int x, int y, int buttonMask);
virtual void sendKeyEvent(int key, bool keyDown);
void navigateTo(const std::string& page);
////////////////////////////////////////////////////////////////////////////////
// virtual
void onPageChanged( const EventType& eventIn )
{
// flag that an update is required - page grab happens in idle() so we don't stall
_needsUpdate = true;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onNavigateBegin( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: begin navigation to " << eventIn.getEventUri() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onNavigateComplete( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: end navigation to " << eventIn.getEventUri() << " with response status of " << eventIn.getIntValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onUpdateProgress( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: progress value updated to " << eventIn.getIntValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onStatusTextChange( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: status updated to " << eventIn.getStringValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onLocationChange( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: location changed to " << eventIn.getStringValue() << std::endl;
};
////////////////////////////////////////////////////////////////////////////////
// virtual
void onClickLinkHref( const EventType& eventIn )
{
osg::notify(osg::NOTICE) << "Event: clicked on link to " << eventIn.getStringValue() << std::endl;
};
void update();
int getBrowserWindowId() const { return _browserWindowId; }
protected:
virtual ~UBrowserImage();
int _browserWindowId;
bool _needsUpdate;
};
//////////////////////////////////////////////////////////////////////////
//
// UBrowserThread implementation
//
UBrowserThread::UBrowserThread():
_initialized(false),
_done(false),
_previousButtonMask(0)
{
}
UBrowserThread::~UBrowserThread()
{
_done = true;
cancel();
while(isRunning())
{
OpenThreads::Thread::YieldCurrentThread();
}
}
osg::ref_ptr<UBrowserThread>& UBrowserThread::instance()
{
static osg::ref_ptr<UBrowserThread> s_ubrowserThread = new UBrowserThread;
return s_ubrowserThread;
}
void UBrowserThread::init(const std::string& application)
{
if (_initialized) return;
_application = application;
// create a single browser window and set things up.
std::string applicationDir = osgDB::getFilePath(_application);
if (applicationDir.empty()) applicationDir = osgDB::getRealPath(".");
else applicationDir = osgDB::getRealPath(applicationDir);
std::string componentDir = "/usr/lib/xulrunner";
std::string profileDir = applicationDir + "/" + "testGL_profile";
LLMozLib::getInstance()->init( applicationDir, componentDir, profileDir, getNativeWindowHandle() );
// append details to agent string
LLMozLib::getInstance()->setBrowserAgentId( _application );
setUpKeyMap();
_initialized = true;
// startThread();
}
#ifdef _WINDOWS
void* UBrowserThread::getNativeWindowHandle()
{
if (_nativeWindowHandle) return _nativeWindowHandle;
// My implementation of the embedded browser needs a native window handle
// Can't get this via GLUT so had to use this hack
_nativeWindowHandle = FindWindow( NULL, _appWindowName.c_str() );
return _nativeWindowHandle;
}
#else
#include <gtk/gtk.h>
void* UBrowserThread::getNativeWindowHandle()
{
if (_nativeWindowHandle) return _nativeWindowHandle;
gtk_disable_setlocale();
gtk_init(NULL, NULL);
GtkWidget *win = gtk_window_new(GTK_WINDOW_POPUP);
// Why a layout widget? A MozContainer would be ideal, but
// it involves exposing Mozilla headers to mozlib-using apps.
// A layout widget with a GtkWindow parent has the desired
// properties of being plain GTK, having a window, and being
// derived from a GtkContainer.
GtkWidget *rtnw = gtk_layout_new(NULL, NULL);
gtk_container_add(GTK_CONTAINER(win), rtnw);
gtk_widget_realize(rtnw);
GTK_WIDGET_UNSET_FLAGS(GTK_WIDGET(rtnw), GTK_NO_WINDOW);
_nativeWindowHandle = rtnw;
return _nativeWindowHandle;
}
#endif
void UBrowserThread::run()
{
do
{
//osg::notify(osg::NOTICE)<<"UBrowserThread::run()"<<std::endl;
if (_ubrowserImageList.empty())
{
OpenThreads::Thread::YieldCurrentThread();
continue;
}
#ifndef _WINDOWS
// pump the GTK+Gecko event queue for a (limited) while. this should
// be done so that the Gecko event queue doesn't starve, and done
// *here* so that mNeedsUpdate[] can be populated by callbacks
// from Gecko.
gtk_main_iteration_do(0);
for (int iter=0; iter<10; ++iter)
{
if (gtk_events_pending())
gtk_main_iteration();
}
#endif
for(UBrowserImageList::iterator itr = _ubrowserImageList.begin();
itr != _ubrowserImageList.end();
++itr)
{
osg::ref_ptr<UBrowserImage> browser = *(itr);
if (browser.valid())
{
browser->update();
}
}
} while (!_done && !testCancel());
}
void UBrowserThread::setUpKeyMap()
{
_keyMap[osgGA::GUIEventAdapter::KEY_BackSpace] = nsIDOMKeyEvent::DOM_VK_BACK_SPACE;
_keyMap[osgGA::GUIEventAdapter::KEY_Tab] = nsIDOMKeyEvent::DOM_VK_TAB;
_keyMap[osgGA::GUIEventAdapter::KEY_Linefeed] = nsIDOMKeyEvent::DOM_VK_ENTER;
_keyMap[osgGA::GUIEventAdapter::KEY_Clear] = nsIDOMKeyEvent::DOM_VK_CLEAR;
_keyMap[osgGA::GUIEventAdapter::KEY_Return] = nsIDOMKeyEvent::DOM_VK_RETURN;
_keyMap[osgGA::GUIEventAdapter::KEY_Pause] = nsIDOMKeyEvent::DOM_VK_PAUSE;
_keyMap[osgGA::GUIEventAdapter::KEY_Scroll_Lock] = nsIDOMKeyEvent::DOM_VK_SCROLL_LOCK;
_keyMap[osgGA::GUIEventAdapter::KEY_Escape] = nsIDOMKeyEvent::DOM_VK_ESCAPE;
_keyMap[osgGA::GUIEventAdapter::KEY_Delete] = nsIDOMKeyEvent::DOM_VK_DELETE;
/* Cursor control & motion */
_keyMap[osgGA::GUIEventAdapter::KEY_Home] = nsIDOMKeyEvent::DOM_VK_HOME;
_keyMap[osgGA::GUIEventAdapter::KEY_Left] = nsIDOMKeyEvent::DOM_VK_LEFT;
_keyMap[osgGA::GUIEventAdapter::KEY_Up] = nsIDOMKeyEvent::DOM_VK_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_Right] = nsIDOMKeyEvent::DOM_VK_RIGHT;
_keyMap[osgGA::GUIEventAdapter::KEY_Down] = nsIDOMKeyEvent::DOM_VK_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_Page_Up] = nsIDOMKeyEvent::DOM_VK_PAGE_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_Page_Down] = nsIDOMKeyEvent::DOM_VK_PAGE_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_End] = nsIDOMKeyEvent::DOM_VK_END;
/* Misc Functions */
_keyMap[osgGA::GUIEventAdapter::KEY_Print] = nsIDOMKeyEvent::DOM_VK_PRINTSCREEN;
_keyMap[osgGA::GUIEventAdapter::KEY_Insert] = nsIDOMKeyEvent::DOM_VK_INSERT;
_keyMap[osgGA::GUIEventAdapter::KEY_Cancel] = nsIDOMKeyEvent::DOM_VK_CANCEL;
_keyMap[osgGA::GUIEventAdapter::KEY_Num_Lock] = nsIDOMKeyEvent::DOM_VK_NUM_LOCK;
/* Keypad Functions, keypad numbers cleverly chosen to map to ascii */
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Space] = nsIDOMKeyEvent::DOM_VK_SPACE;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Tab] = nsIDOMKeyEvent::DOM_VK_TAB;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Enter] = nsIDOMKeyEvent::DOM_VK_ENTER;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Home] = nsIDOMKeyEvent::DOM_VK_HOME;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Left] = nsIDOMKeyEvent::DOM_VK_LEFT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Up] = nsIDOMKeyEvent::DOM_VK_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Right] = nsIDOMKeyEvent::DOM_VK_RIGHT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Down] = nsIDOMKeyEvent::DOM_VK_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Page_Up] = nsIDOMKeyEvent::DOM_VK_PAGE_UP;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Page_Down] = nsIDOMKeyEvent::DOM_VK_PAGE_DOWN;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_End] = nsIDOMKeyEvent::DOM_VK_END;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Insert] = nsIDOMKeyEvent::DOM_VK_INSERT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Delete] = nsIDOMKeyEvent::DOM_VK_DELETE;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Equal] = nsIDOMKeyEvent::DOM_VK_EQUALS;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Multiply] = nsIDOMKeyEvent::DOM_VK_MULTIPLY;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Add] = nsIDOMKeyEvent::DOM_VK_ADD;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Separator] = nsIDOMKeyEvent::DOM_VK_SEPARATOR;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Subtract] = nsIDOMKeyEvent::DOM_VK_SUBTRACT;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Decimal] = nsIDOMKeyEvent::DOM_VK_DECIMAL;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_Divide] = nsIDOMKeyEvent::DOM_VK_DIVIDE;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_0] = nsIDOMKeyEvent::DOM_VK_NUMPAD0;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_1] = nsIDOMKeyEvent::DOM_VK_NUMPAD1;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_2] = nsIDOMKeyEvent::DOM_VK_NUMPAD2;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_3] = nsIDOMKeyEvent::DOM_VK_NUMPAD3;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_4] = nsIDOMKeyEvent::DOM_VK_NUMPAD4;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_5] = nsIDOMKeyEvent::DOM_VK_NUMPAD5;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_6] = nsIDOMKeyEvent::DOM_VK_NUMPAD6;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_7] = nsIDOMKeyEvent::DOM_VK_NUMPAD7;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_8] = nsIDOMKeyEvent::DOM_VK_NUMPAD8;
_keyMap[osgGA::GUIEventAdapter::KEY_KP_9] = nsIDOMKeyEvent::DOM_VK_NUMPAD9;
/*
* Auxiliary Functions; note the duplicate definitions for left and right
* function keys; Sun keyboards and a few other manufactures have such
* function key groups on the left and/or right sides of the keyboard.
* We've not found a keyboard with more than 35 function keys total.
*/
_keyMap[osgGA::GUIEventAdapter::KEY_F1] = nsIDOMKeyEvent::DOM_VK_F1;
_keyMap[osgGA::GUIEventAdapter::KEY_F2] = nsIDOMKeyEvent::DOM_VK_F2;
_keyMap[osgGA::GUIEventAdapter::KEY_F3] = nsIDOMKeyEvent::DOM_VK_F3;
_keyMap[osgGA::GUIEventAdapter::KEY_F4] = nsIDOMKeyEvent::DOM_VK_F4;
_keyMap[osgGA::GUIEventAdapter::KEY_F5] = nsIDOMKeyEvent::DOM_VK_F5;
_keyMap[osgGA::GUIEventAdapter::KEY_F6] = nsIDOMKeyEvent::DOM_VK_F6;
_keyMap[osgGA::GUIEventAdapter::KEY_F7] = nsIDOMKeyEvent::DOM_VK_F7;
_keyMap[osgGA::GUIEventAdapter::KEY_F8] = nsIDOMKeyEvent::DOM_VK_F8;
_keyMap[osgGA::GUIEventAdapter::KEY_F9] = nsIDOMKeyEvent::DOM_VK_F9;
_keyMap[osgGA::GUIEventAdapter::KEY_F10] = nsIDOMKeyEvent::DOM_VK_F10;
_keyMap[osgGA::GUIEventAdapter::KEY_F11] = nsIDOMKeyEvent::DOM_VK_F12;
_keyMap[osgGA::GUIEventAdapter::KEY_F12] = nsIDOMKeyEvent::DOM_VK_F13;
_keyMap[osgGA::GUIEventAdapter::KEY_F13] = nsIDOMKeyEvent::DOM_VK_F13;
_keyMap[osgGA::GUIEventAdapter::KEY_F14] = nsIDOMKeyEvent::DOM_VK_F14;
_keyMap[osgGA::GUIEventAdapter::KEY_F15] = nsIDOMKeyEvent::DOM_VK_F15;
_keyMap[osgGA::GUIEventAdapter::KEY_F16] = nsIDOMKeyEvent::DOM_VK_F16;
_keyMap[osgGA::GUIEventAdapter::KEY_F17] = nsIDOMKeyEvent::DOM_VK_F17;
_keyMap[osgGA::GUIEventAdapter::KEY_F18] = nsIDOMKeyEvent::DOM_VK_F18;
_keyMap[osgGA::GUIEventAdapter::KEY_F19] = nsIDOMKeyEvent::DOM_VK_F19;
_keyMap[osgGA::GUIEventAdapter::KEY_F20] = nsIDOMKeyEvent::DOM_VK_F20;
_keyMap[osgGA::GUIEventAdapter::KEY_F21] = nsIDOMKeyEvent::DOM_VK_F21;
_keyMap[osgGA::GUIEventAdapter::KEY_F22] = nsIDOMKeyEvent::DOM_VK_F22;
_keyMap[osgGA::GUIEventAdapter::KEY_F23] = nsIDOMKeyEvent::DOM_VK_F23;
_keyMap[osgGA::GUIEventAdapter::KEY_F24] = nsIDOMKeyEvent::DOM_VK_F24;
/* Modifiers */
_keyMap[osgGA::GUIEventAdapter::KEY_Meta_L] = nsIDOMKeyEvent::DOM_VK_META;
_keyMap[osgGA::GUIEventAdapter::KEY_Meta_R] = nsIDOMKeyEvent::DOM_VK_META;
_keyMap[osgGA::GUIEventAdapter::KEY_Control_L] = nsIDOMKeyEvent::DOM_VK_CONTROL;
_keyMap[osgGA::GUIEventAdapter::KEY_Control_R] = nsIDOMKeyEvent::DOM_VK_CONTROL;
_keyMap[osgGA::GUIEventAdapter::KEY_Shift_L] = nsIDOMKeyEvent::DOM_VK_SHIFT;
_keyMap[osgGA::GUIEventAdapter::KEY_Shift_R] = nsIDOMKeyEvent::DOM_VK_SHIFT;
_keyMap[osgGA::GUIEventAdapter::KEY_Alt_R] = nsIDOMKeyEvent::DOM_VK_ALT;
_keyMap[osgGA::GUIEventAdapter::KEY_Alt_L] = nsIDOMKeyEvent::DOM_VK_ALT;
_keyMap[osgGA::GUIEventAdapter::KEY_Caps_Lock] = nsIDOMKeyEvent::DOM_VK_CAPS_LOCK;
}
int UBrowserThread::convertToXULKey(int key) const
{
KeyMap::const_iterator itr = _keyMap.find(key);
if (_keyMap.find(key)==_keyMap.end()) return key;
else return itr->second;
}
void UBrowserThread::sendPointerEvent(UBrowserImage* image, int x, int y, int buttonMask)
{
int deltaButton = (buttonMask&1) - (_previousButtonMask&1);
_previousButtonMask = buttonMask;
int _browserWindowId = image->getBrowserWindowId();
if (deltaButton>0)
{
// send event to LLMozLib
LLMozLib::getInstance()->mouseDown( _browserWindowId, x, y );
}
else if (deltaButton<0)
{
// send event to LLMozLib
LLMozLib::getInstance()->mouseUp( _browserWindowId, x, y );
// this seems better than sending focus on mouse down (still need to improve this)
LLMozLib::getInstance()->focusBrowser( _browserWindowId, true );
} else
{
// send event to LLMozLib
LLMozLib::getInstance()->mouseMove( _browserWindowId, x, y );
}
}
void UBrowserThread::sendKeyEvent(UBrowserImage* image, int key, bool keyDown)
{
if (!keyDown) return;
int _browserWindowId = image->getBrowserWindowId();
KeyMap::const_iterator itr = _keyMap.find(key);
if (_keyMap.find(key)==_keyMap.end()) LLMozLib::getInstance()->unicodeInput( _browserWindowId, key );
else LLMozLib::getInstance()->keyPress( _browserWindowId, itr->second );
}
////////////////////////////////////////////////////////////////////////////////////
//
// UBrowser implementation
UBrowserImage::UBrowserImage(int width, int height):
_browserWindowId(0),
_needsUpdate(true)
{
_browserWindowId = LLMozLib::getInstance()->createBrowserWindow( width, height );
// tell LLMozLib about the size of the browser window
LLMozLib::getInstance()->setSize( _browserWindowId, width, height );
// observer events that LLMozLib emits
LLMozLib::getInstance()->addObserver( _browserWindowId, this );
// don't flip bitmap
LLMozLib::getInstance()->flipWindow( _browserWindowId, false );
LLMozLib::getInstance()->setBackgroundColor( _browserWindowId, 0, 255, 0);
GLint internalFormat = LLMozLib::getInstance()->getBrowserDepth( _browserWindowId ) == 3 ? GL_RGB : GL_RGBA;
GLenum pixelFormat = LLMozLib::getInstance()->getBrowserDepth( _browserWindowId ) == 3 ? GL_BGR_EXT : GL_BGRA_EXT;
setImage(width,height,1, internalFormat, pixelFormat, GL_UNSIGNED_BYTE,
(unsigned char*)LLMozLib::getInstance()->getBrowserWindowPixels( _browserWindowId ),
osg::Image::NO_DELETE);
setDataVariance(osg::Object::DYNAMIC);
setOrigin(osg::Image::TOP_LEFT);
}
UBrowserImage::~UBrowserImage()
{
}
void UBrowserImage::sendPointerEvent(int x, int y, int buttonMask)
{
UBrowserThread::instance()->sendPointerEvent(this, x, y, buttonMask);
}
void UBrowserImage::sendKeyEvent(int key, bool keyDown)
{
UBrowserThread::instance()->sendKeyEvent(this, key, keyDown);
}
void UBrowserImage::navigateTo(const std::string& url)
{
// go to the "home page"
LLMozLib::getInstance()->navigateTo( _browserWindowId, url );
}
void UBrowserImage::update()
{
//if ( _needsUpdate )
{
// grab a page but don't reset 'needs update' flag until we've written it to the texture in display()
LLMozLib::getInstance()->grabBrowserWindow( _browserWindowId );
int width = LLMozLib::getInstance()->getBrowserRowSpan( _browserWindowId ) / LLMozLib::getInstance()->getBrowserDepth( _browserWindowId );
int height = LLMozLib::getInstance()->getBrowserHeight( _browserWindowId );
GLint internalFormat = LLMozLib::getInstance()->getBrowserDepth( _browserWindowId ) == 3 ? GL_RGB : GL_RGBA;
GLenum pixelFormat = LLMozLib::getInstance()->getBrowserDepth( _browserWindowId ) == 3 ? GL_BGR_EXT : GL_BGRA_EXT;
setImage(width,height,1, internalFormat, pixelFormat, GL_UNSIGNED_BYTE,
(unsigned char*)LLMozLib::getInstance()->getBrowserWindowPixels( _browserWindowId ),
osg::Image::NO_DELETE);
// osg::notify(osg::NOTICE)<<"Image updated "<<(void*)data()<<", "<<s()<<","<<t()<<std::endl;
// _needsUpdate = false;
}
}
osg::Node* createInteractiveQuad(const osg::Vec3& origin, osg::Vec3& widthAxis, osg::Vec3& heightAxis,
osg::Image* image)
{
bool flip = image->getOrigin()==osg::Image::TOP_LEFT;
osg::Geometry* pictureQuad = osg::createTexturedQuadGeometry(origin, widthAxis, heightAxis,
0.0f, flip ? 1.0f : 0.0f , 1.0f, flip ? 0.0f : 1.0f);
osg::Texture2D* texture = new osg::Texture2D(image);
texture->setResizeNonPowerOfTwoHint(false);
texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR);
texture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
texture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
pictureQuad->getOrCreateStateSet()->setTextureAttributeAndModes(0,
texture,
osg::StateAttribute::ON);
pictureQuad->setEventCallback(new osgViewer::InteractiveImageHandler(image));
osg::Geode* geode = new osg::Geode;
geode->addDrawable(pictureQuad);
return geode;
}
int main( int argc, char* argv[] )
{
osg::ArgumentParser arguments(&argc, argv);
UBrowserThread::instance()->init(arguments[0]);
osgViewer::Viewer viewer(arguments);
typedef std::list< osg::ref_ptr<UBrowserImage> > Images;
Images images;
for(int i=1; i<arguments.argc(); ++i)
{
if (!arguments.isOption(i))
{
osg::ref_ptr<UBrowserImage> browserImage= new UBrowserImage(768, 1024);
browserImage->navigateTo(arguments[i]);
images.push_back(browserImage.get());
}
}
bool xyPlane = false;
osg::Group* group = new osg::Group;
osg::Vec3 origin = osg::Vec3(0.0f,0.0f,0.0f);
for(Images::iterator itr = images.begin();
itr != images.end();
++itr)
{
osg::Image* image = itr->get();
float width = 1.0;
float height = float(image->t())/float(image->s());
osg::Vec3 widthAxis = osg::Vec3(width,0.0f,0.0f);
osg::Vec3 heightAxis = xyPlane ? osg::Vec3(0.0f,height,0.0f) : osg::Vec3(0.0f,0.0f,height);
group->addChild(createInteractiveQuad(origin, widthAxis, heightAxis, image));
origin += widthAxis*1.1f;
}
viewer.setSceneData(group);
viewer.addEventHandler(new osgViewer::StatsHandler);
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
viewer.realize();
while(!viewer.done())
{
#ifndef _WINDOWS
// pump the GTK+Gecko event queue for a (limited) while. this should
// be done so that the Gecko event queue doesn't starve, and done
// *here* so that mNeedsUpdate[] can be populated by callbacks
// from Gecko.
gtk_main_iteration_do(0);
for (int iter=0; iter<10; ++iter)
{
if (gtk_events_pending())
gtk_main_iteration();
}
#endif
for(Images::iterator itr = images.begin();
itr != images.end();
++itr)
{
osg::ref_ptr<UBrowserImage> browser = *(itr);
if (browser.valid())
{
browser->update();
}
}
viewer.frame();
}
}