void TextShape::update()
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
if( !_dirty )
return;
osg::Vec3 p = getPosition();
osg::Vec4 c = getColor();
osg::Vec4 bc = getBackdropColor();
float size = getCharacterHeight();
std::string text = getText().createUTF8EncodedString();
p = getParameter("pos")->asVec3Type()->getValue();
c = getParameter("color")->asVec4Type()->getValue();
bc = getParameter("bcolor")->asVec4Type()->getValue();
size = getParameter("size")->asFloatType()->getValue();
text = getParameter("label")->asStringType()->getValue();
bool enableOutline = getParameter("enableOutline")->asBoolType()->getValue();
// TODO background color
// TODO not sure if want to make it so the font gets added all the time hmmm
//setFont(font);
// check if outline should be enabled
if( enableOutline )
{
setBackdropType(osgText::Text::OUTLINE);
setColor(c);
setBackdropColor(bc);
}
else
{
setBackdropType(osgText::Text::NONE);
setColor(c);
}
setText(text);
setCharacterSize(size);
setPosition(p);
dirtyBound();
//if(c[3] != 1.0)
getOrCreateStateSet()->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
//else
// getOrCreateStateSet()->setRenderingHint(osg::StateSet::DEFAULT_BIN);
// reset flag
_dirty = false;
}
TextShape::TextShape(std::string command, std::string name)
{
// check for changed values
createParameter("pos", new Vec3Type());
createParameter("color", new Vec4Type());
createParameter("bcolor", new Vec4Type());
createParameter("enableOutline", new BoolType());
createParameter("size", new FloatType());
createParameter("label", new StringType());
createParameter("font", new StringType());
_type = SimpleShape::TEXT;
BasicShape::setName(name);
// default color is white for font
setColor(osg::Vec4(1.0, 1.0, 1.0, 1.0));
// set a default background color
setBackdropColor(osg::Vec4(0.0, 0.0, 0.0, 1.0));
setCharacterSize(10.0f);
setFontResolution(40,40);
osgText::Font* font = NULL;
// check if fontMap has been constucted
if ( _fontMap == NULL )
_fontMap = new ThreadMap< std::string, osgText::Font* >();
// check if font exists in map else load it and add it
if( ! _fontMap->get(std::string("/usr/share/fonts/liberation/LiberationSans-Regular.ttf"), font) )
{
font = osgText::readFontFile("/usr/share/fonts/liberation/LiberationSans-Regular.ttf");
_fontMap->add(std::string("/usr/share/fonts/liberation/LiberationSans-Regular.ttf"), font);
}
setFont(font);
if( Globals::G_ROTAXIS )
setAxisAlignment(osgText::TextBase::XY_PLANE);
else
setAxisAlignment(osgText::TextBase::XZ_PLANE);
// off by default
setBackdropType(osgText::Text::NONE);
osg::StateSet* state = osgText::Text::getOrCreateStateSet();
state->setMode(GL_BLEND, osg::StateAttribute::ON);
state->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
//osg::Material* mat = new osg::Material();
//mat->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
//state->setAttributeAndModes(mat, osg::StateAttribute::ON);
setUpdateCallback(new TextUpdateCallback());
update(command);
}
TextShape::TextShape(std::string command, std::string name)
{
_type = SimpleShape::TEXT;
BasicShape::setName(name);
setColor(osg::Vec4(1.0, 1.0, 1.0, 1.0));
setCharacterSize(10.0f);
setFontResolution(40,40);
setFont ("/usr/share/fonts/liberation/LiberationSans-Regular.ttf");
setAxisAlignment(osgText::TextBase::XZ_PLANE);
setBackdropType(osgText::Text::NONE);
osg::StateSet* state = osgText::Text::getOrCreateStateSet();
state->setMode(GL_BLEND, osg::StateAttribute::ON);
state->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
//osg::Material* mat = new osg::Material();
//mat->setColorMode(osg::Material::AMBIENT_AND_DIFFUSE);
//state->setAttributeAndModes(mat, osg::StateAttribute::ON);
setUpdateCallback(new TextUpdateCallback());
update(command);
}