void PovSceneExporter::write()
{
PovDisplayContext *ppovdc = MB_NEW PovDisplayContext();
LString str_povpath = getPath();
LString str_incpath = getPath("inc");
// Check and mangle the path names
if (m_bMakeRelIncPath) {
if (!str_povpath.isEmpty() && !str_incpath.isEmpty()) {
// Check and modify the main pov file path
fs::path povpath(str_povpath);
if (!povpath.is_complete()) {
#if (BOOST_FILESYSTEM_VERSION==2)
povpath = fs::complete(povpath);
setPath(povpath.file_string());
#else
povpath = fs::absolute(povpath);
setPath(povpath.string());
#endif
}
fs::path base_path = povpath.parent_path();
// Check and modify the inc file path
fs::path incpath(str_incpath);
if (!incpath.is_complete()) {
ppovdc->setIncFileName(str_incpath);
#if (BOOST_FILESYSTEM_VERSION==2)
incpath = fs::complete(incpath, base_path);
setPath("inc", incpath.file_string());
#else
incpath = fs::absolute(incpath, base_path);
setPath("inc", incpath.string());
#endif
}
else {
// make the inc-file path relative
#if (BOOST_FILESYSTEM_VERSION==2)
LString relpath = qlib::makeRelativePath(str_incpath, base_path.directory_string());
#else
LString relpath = qlib::makeRelativePath(str_incpath, base_path.string());
#endif
ppovdc->setIncFileName(relpath);
}
}
}
else {
ppovdc->setIncFileName(str_incpath);
}
// Main stream
qlib::OutStream *pOutPov = createOutStream();
// Sub stream (inc file)
qlib::OutStream *pOutInc = createOutStream("inc");
ScenePtr pScene = getClient();
CameraPtr pCam = getCamera();
qlib::ensureNotNull(pCam.get());
// ppovdc->setTargetView(pView);
ppovdc->init(pOutPov, pOutInc);
//ppovdc->startPovRender();
ppovdc->setClipZ(m_bUseClipZ);
ppovdc->setPostBlend(m_bPostBlend);
ppovdc->setPerspective(m_bPerspective);
ppovdc->setBgColor(pScene->getBgColor());
ppovdc->enableEdgeLines(m_bEnableEdgeLines);
ppovdc->setCreaseLimit(m_dCreaseLimit);
ppovdc->setEdgeRise(m_dEdgeRise);
const double zoom = pCam->getZoom();
ppovdc->setZoom(zoom);
ppovdc->setSlabDepth(pCam->getSlabDepth());
ppovdc->setViewDist(pCam->getCamDist());
ppovdc->loadIdent();
ppovdc->rotate(pCam->m_rotQuat);
ppovdc->translate(-(pCam->m_center));
// calc line width factor
int height = getHeight();
if (height<=0 && pScene->getViewCount()>0) {
ViewPtr pView = pScene->beginView()->second;
double hpix = pView->getHeight();
ppovdc->setLineScale(zoom/hpix);
}
else {
MB_DPRINTLN("POV> hint image height=%d", height);
const double fac = zoom/( double(height)*1.5 );
MB_DPRINTLN("POV> line scale factor=%f", fac);
ppovdc->setLineScale(fac);
}
pScene->display(ppovdc);
m_strBlendTab = ppovdc->getPostBlendTableJSON();
//ppovdc->endPovRender();
delete ppovdc;
// cleanup the created streams
pOutPov->close();
pOutInc->close();
delete pOutPov;
delete pOutInc;
}
