Import: move glTF writer to its own source files

2023-09-24 18:22:25 +02:00
parent 9260cd9502
commit 0aa9ea99b4
7 changed files with 188 additions and 41 deletions
--- a/src/Mod/Import/App/WriterGltf.cpp
+++ b/src/Mod/Import/App/WriterGltf.cpp
@@ -0,0 +1,67 @@
+// 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 <sstream>
+#include <Standard_Version.hxx>
+#include <TColStd_IndexedDataMapOfStringString.hxx>
+#if OCC_VERSION_HEX >= 0x070500
+#include <Message_ProgressRange.hxx>
+#include <RWGltf_CafWriter.hxx>
+#endif
+#endif
+
+#include "WriterGltf.h"
+#include <Base/Exception.h>
+
+using namespace Import;
+
+WriterGltf::WriterGltf(std::string name8bit, const Base::FileInfo& file)  // NOLINT
+    : name8bit {std::move(name8bit)}
+    , file {file}
+{}
+
+void WriterGltf::write(Handle(TDocStd_Document) hDoc) const  // NOLINT
+{
+#if OCC_VERSION_HEX >= 0x070500
+    TColStd_IndexedDataMapOfStringString aMetadata;
+    RWGltf_CafWriter aWriter(name8bit.c_str(), file.hasExtension("glb"));
+    aWriter.SetTransformationFormat(RWGltf_WriterTrsfFormat_Compact);
+    // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#coordinate-system-and-units
+    aWriter.ChangeCoordinateSystemConverter().SetInputLengthUnit(0.001);  // NOLINT
+    aWriter.ChangeCoordinateSystemConverter().SetInputCoordinateSystem(RWMesh_CoordinateSystem_Zup);
+#if OCC_VERSION_HEX >= 0x070700
+    aWriter.SetParallel(true);
+#endif
+    Standard_Boolean ret = aWriter.Perform(hDoc, aMetadata, Message_ProgressRange());
+    if (!ret) {
+        std::stringstream str;
+        str << "Cannot save to file '"
+            << "" << file.filePath() << "'";
+    }
+#else
+    throw Base::RuntimeError("gITF support requires OCCT 7.5.0 or later");
+#endif
+}