MyPaintable(Gui::View3DInventorViewer* v) :view(v), img(v->getGLWidget()->size(), QImage::Format_ARGB32)
{
img.fill(qRgba(255, 255, 255, 0));
{
QPainter p(&img);
p.setPen(Qt::white);
p.drawText(200,200,QString::fromLatin1("Render to QImage"));
}
img = QGLWidget::convertToGLFormat(img);
fbo = new QGLFramebufferObject(v->getGLWidget()->size());
fbo->bind();
//glClear(GL_COLOR_BUFFER_BIT);
fbo->release();
{
QPainter p(fbo);
p.setPen(Qt::white);
p.drawText(200,200,QString::fromLatin1("Render to QGLFramebufferObject"));
p.end();
//img = fbo->toImage();
//img = QGLWidget::convertToGLFormat(img);
}
//fbo->bind();
//glEnable(GL_DEPTH_TEST);
//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glDepthRange(0.1,1.0);
//glEnable(GL_LINE_SMOOTH);
//SoGLRenderAction a(SbViewportRegion(128,128));
//a.apply(v->getSceneManager()->getSceneGraph());
//fbo->release();
//img = fbo->toImage();
//img = QGLWidget::convertToGLFormat(img);
view->getSoRenderManager()->scheduleRedraw();
}
bool QGLViewPickSurface::activate(QGLAbstractSurface *prevSurface)
{
Q_UNUSED(prevSurface);
if (m_fbo)
m_fbo->bind();
return true;
}
void resizeGL(int width, int height)
{
#if 0
fbObject->bind();
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (width <= height) {
glOrtho(0.0, 20.0, 0.0, 20.0 * GLfloat(height) / GLfloat(width),
-10.0, 10.0);
} else {
glOrtho(0.0, 20.0 * GLfloat(width) / GLfloat(height), 0.0, 20.0,
-10.0, 10.0);
}
glMatrixMode(GL_MODELVIEW);
drawTeapots();
fbObject->release();
#else
fbObject->bind();
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LINE_SMOOTH);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDepthRange(0.1,1.0);
SoGLRenderAction gl(SbViewportRegion(fbObject->size().width(),fbObject->size().height()));
gl.apply(view->getSoRenderManager()->getSceneGraph());
fbObject->release();
#endif
}