Method Graph

source/MaterialXGraphEditor/Graph.cpp:123–178

//

Graph::Graph(const std::string& materialFilename,
             const std::string& meshFilename,
             const mx::FileSearchPath& searchPath,
             const mx::FilePathVec& libraryFolders,
             int viewWidth,
             int viewHeight,
             float previewWidth) :
    _materialFilename(materialFilename),
    _searchPath(searchPath),
    _libraryFolders(libraryFolders),
    _needsLayout(false),
    _layoutPending(false),
    _needsNavigation(false),
    _delete(false),
    _fileDialogSave(FileDialog::EnterNewFilename),
    _popup(false),
    _shaderPopup(false),
    _searchNodeId(-1),
    _addNewNode(false),
    _ctrlClick(false),
    _isCut(false),
    _autoLayout(false),
    _frameCount(INT_MIN),
    _fontScale(1.0f),
    _previewSize(previewWidth),
    _saveNodePositions(true)
{
    loadStandardLibraries();
    setPinColor();

    // Set up filters load and save
    _mtlxFilter.push_back(".mtlx");
    _geomFilter.push_back(".obj");
    _geomFilter.push_back(".glb");
    _geomFilter.push_back(".gltf");

    _graphDoc = loadDocument(materialFilename);
    createNodeUIList(_stdLib);
    initializeGraph();

    // Create a renderer using the initial startup document.
    mx::FilePath captureFilename = "resources/Materials/Examples/example.png";
    std::string envRadianceFilename = "resources/Lights/san_giuseppe_bridge_split.hdr";
    _renderer = std::make_shared<RenderView>(_graphDoc, _stdLib, meshFilename, envRadianceFilename,
                                             _searchPath, viewWidth, viewHeight);
    _renderer->initialize();
    for (const std::string& ext : _renderer->getImageHandler()->supportedExtensions())
    {
        _imageFilter.emplace_back("." + ext);
    }
    _renderer->updateMaterials(nullptr);
    for (const std::string& incl : _renderer->getXincludeFiles())
    {
        _xincludeFiles.insert(incl);
    }
}

mx::ElementPredicate Graph::getElementPredicate() const