Import: move IGES reader & writer to own classes

2023-09-30 23:13:33 +02:00
parent 4092677f24
commit 70ca90f46f
9 changed files with 260 additions and 141 deletions
--- a/src/Mod/Import/App/ReaderIges.cpp
+++ b/src/Mod/Import/App/ReaderIges.cpp
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+/***************************************************************************
+ *   Copyright (c) 2023 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of FreeCAD.                                         *
+ *                                                                         *
+ *   FreeCAD is free software: you can redistribute it and/or modify it    *
+ *   under the terms of the GNU Lesser General Public License as           *
+ *   published by the Free Software Foundation, either version 2.1 of the  *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   FreeCAD is distributed in the hope that it will be useful, but        *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with FreeCAD. If not, see                               *
+ *   <https://www.gnu.org/licenses/>.                                      *
+ *                                                                         *
+ **************************************************************************/
+
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+#include <IGESControl_Controller.hxx>
+#include <IGESCAFControl_Reader.hxx>
+#include <IGESData_GlobalSection.hxx>
+#include <IGESData_IGESModel.hxx>
+#include <IGESToBRep_Actor.hxx>
+#include <Standard_Version.hxx>
+#include <Transfer_TransientProcess.hxx>
+#include <XSControl_TransferReader.hxx>
+#include <XSControl_WorkSession.hxx>
+#endif
+
+#include "ReaderIges.h"
+#include <Base/Exception.h>
+#include <App/Application.h>
+#include <Mod/Part/App/encodeFilename.h>
+#include <Mod/Part/App/ProgressIndicator.h>
+
+using namespace Import;
+
+ReaderIges::ReaderIges(const Base::FileInfo& file)  // NOLINT
+    : file {file}
+{}
+
+void ReaderIges::read(Handle(TDocStd_Document) hDoc)  // NOLINT
+{
+    Base::Reference<ParameterGrp> hGrp = App::GetApplication()
+                                             .GetUserParameter()
+                                             .GetGroup("BaseApp")
+                                             ->GetGroup("Preferences")
+                                             ->GetGroup("Mod/Part")
+                                             ->GetGroup("IGES");
+    std::string utf8Name = file.filePath();
+    std::string name8bit = Part::encodeFilename(utf8Name);
+
+    IGESControl_Controller::Init();
+    IGESCAFControl_Reader aReader;
+    // http://www.opencascade.org/org/forum/thread_20603/?forum=3
+    aReader.SetReadVisible(hGrp->GetBool("SkipBlankEntities", true));
+    aReader.SetColorMode(true);
+    aReader.SetNameMode(true);
+    aReader.SetLayerMode(true);
+    if (aReader.ReadFile(name8bit.c_str()) != IFSelect_RetDone) {
+        throw Base::FileException("cannot read IGES file", utf8Name.c_str());
+    }
+
+#if OCC_VERSION_HEX < 0x070500
+    Handle(Message_ProgressIndicator) pi = new Part::ProgressIndicator(100);
+    aReader.WS()->MapReader()->SetProgress(pi);
+    pi->NewScope(100, "Reading IGES file...");
+    pi->Show();
+#endif
+    aReader.Transfer(hDoc);
+#if OCC_VERSION_HEX < 0x070500
+    pi->EndScope();
+#endif
+    // http://opencascade.blogspot.de/2009/03/unnoticeable-memory-leaks-part-2.html
+    Handle(IGESToBRep_Actor)::DownCast(aReader.WS()->TransferReader()->Actor())
+        ->SetModel(new IGESData_IGESModel);
+}