FGFS-4.1/OpenSceneGraph
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Changes for Sunos

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This commit is contained in:
Don BURNS 2002-07-15 04:42:44 +00:00
parent 523b64ef3f
commit 6a2aa35c26
1 changed files with 60 additions and 10 deletions
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70
src/osgPlugins/logos/ReaderWriterLOGO.cpp
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@ -70,6 +70,7 @@ class Logos: public osg::Drawable
setStateSet( sset );
viewport = new osg::Viewport;
setCullCallback( new logosCullCallback );
_contextID = 0;
}
Logos(const Logos& logo, const CopyOp& copyop=CopyOp::SHALLOW_COPY) :Drawable( logo, copyop ) {}
@ -80,6 +81,8 @@ class Logos: public osg::Drawable
virtual void drawImmediateMode( osg::State &state )
{
if( state.getContextID() != _contextID ) return;
int x = 0, y = 0, w = 1, h = 1;
if( viewport != NULL )
viewport->getViewport( x, y, w, h );
@ -97,7 +100,7 @@ class Logos: public osg::Drawable
glPushMatrix();
glLoadIdentity();
vector <osg::Image *>::iterator p;
std::vector <osg::Image *>::iterator p;
float th = 0.0;
for( p = logos[Center].begin(); p != logos[Center].end(); p++ )
th += (*p)->t();
@ -148,6 +151,15 @@ class Logos: public osg::Drawable
}
osg::Viewport *getViewport() { return viewport; }
void setContextID( unsigned int id ) { _contextID = id; }
bool hasLogos()
{
int n = 0;
for( int i = Center; i <= last_position; i++ )
n += logos[i].size();
return (n != 0);
}
protected:
Logos(const Logos&):Drawable() {}
@ -156,12 +168,13 @@ class Logos: public osg::Drawable
virtual ~Logos() {}
virtual const bool computeBound() const
{
_bbox.set( -1, -1, -1, 1, 1, 1 );
_bbox.set( -1, -1, -1, 1, 1, 1);
return true;
}
private :
vector <osg::Image *> logos[last_position];
std::vector <osg::Image *> logos[last_position];
osg::Viewport *viewport;
unsigned int _contextID;
};
@ -182,18 +195,25 @@ public:
osg::notify(osg::INFO)<< "ReaderWriterLOGO::readNode( "<<fileName.c_str()<<" )\n";
osg::Geode *geode = new osg::Geode;
unsigned int screen = 0;
Logos* ld = new Logos;
geode->addDrawable( ld );
ld->setContextID( screen );
Logos::RelativePosition pos = Logos::LowerRight;
filebuf fb;
fb.open( fileName.c_str(), "r");
istream in(&fb);
while( !in.eof() )
FILE *fp;
if( (fp = fopen( fileName.c_str(), "r")) == NULL )
return NULL;
while( !feof(fp))
{
std::string str;
in>> str;
char buff[128];
if( fscanf( fp, "%s", buff ) != 1 )
break;
std::string str(buff);
if( str == "Center" )
pos = Logos::Center;
@ -209,9 +229,39 @@ public:
pos = Logos::UpperCenter;
else if( str == "LowerCenter" )
pos = Logos::LowerCenter;
else if( str == "Camera" )
{
unsigned int n;
if( (fscanf( fp, "%d", &n )) != 1 )
{
std::cerr << "Error... Camera requires an integer argument\n";
break;
}
if( screen != n )
{
screen = n;
if( ld->hasLogos() )
{
geode->addDrawable( ld );
ld = new Logos;
ld->setContextID( screen );
}
else
ld->setContextID( screen );
}
}
else
{
if( str.length() )
ld->addLogo( pos, str );
}
}
fclose( fp );
if( ld->hasLogos() )
geode->addDrawable( ld );
geode->setCullingActive(false);
return geode;
}
};