void OSDFilterGL::process()
{
if (mShowType == ShowNone)
return;
DPTR_D(Filter);
GLFilterContext *ctx = static_cast<GLFilterContext*>(d.context);
//TODO: render off screen
#if QTAV_HAVE(GL)
QGLWidget *glw = static_cast<QGLWidget*>(ctx->paint_device);
if (!glw)
return;
glw->renderText(ctx->rect.x(), ctx->rect.y(), text(d.statistics), font());
#endif //QTAV_HAVE(GL)
}
void RenderObject::Text::draw(QGLWidget& widget){
Base::draw(widget);
widget.renderText(_x, _y, _text, QFont("Time New Roman", _size));
}
/**
* Renders the open edges only.
*/
void SoFrameLabel::GLRender(SoGLRenderAction *action)
{
inherited::GLRender(action);
#if 0
QGLWidget* window;
SoState * state = action->getState();
state->push();
SoLazyElement::setLightModel(state, SoLazyElement::BASE_COLOR);
SoGLWidgetElement::get(state, window);
if (!window) {
state->pop();
return;
}
// Enter in 2D screen mode
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(-1,1,-1,1,-1,1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
QFont font;
font.setStyleStrategy(QFont::NoAntialias);
font.setFamily(QLatin1String(this->name.getValue()));
font.setPixelSize(this->size.getValue());
glBlendFunc(GL_ONE,GL_SRC_ALPHA);
/* Background Box */
//glColor4f(1,0.1f,0.1f,1);
//int ln =4;
//float ls = font.pixelSize()*1.5f;
//float bh = -1 + 2.0*(ls*(ln+.25))/float(window->height());
//glBegin(GL_QUADS);
//glVertex2f(-1.f,bh); glVertex2f(-1.f,-1.f);
//glVertex2f( 1.f,-1.f); glVertex2f( 1.f,bh);
//glEnd();
//float middleCol=window->width()*0.40;
//float rightCol=window->width()*0.85;
//float startPos = window->height()-(5+ls*(ln));
// text color
SbColor color = this->textColor.getValue();
glColor4f(color[0], color[1], color[2],1);
//window->renderText(20,20/*startPos+ 1*ls*/,QLatin1String(this->string[0].getString()),font);
const SbMatrix & mat = SoModelMatrixElement::get(state);
const SbMatrix & projmatrix = (mat * SoViewingMatrixElement::get(state) *
SoProjectionMatrixElement::get(state));
SbVec3f nil(0.0f, 0.0f, 0.0f);
projmatrix.multVecMatrix(nil, nil);
QStringList list;
for (int i=0; i<this->string.getNum(); i++)
list << QLatin1String(this->string[i].getString());
window->renderText(nil[0],nil[1],nil[2],list.join(QLatin1String("\n")),font);
// Leave 2D screen mode
glPopAttrib();
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
state->pop();
#endif
}
void renderText(double x, double y, double z, const std::string& text, double size)
{
pWriter->renderText(x, y, z, QString::fromStdString(text));
}
