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/***************************************************************************
* Copyright (c) 2021 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include <App/Document.h>
#include "Importer.h"
#include "MeshFeature.h"
using namespace Mesh;
Importer::Importer(App::Document* doc)
: document(doc)
{}
void Importer::load(const std::string& fileName)
{
MeshObject mesh;
MeshCore::Material mat;
if (mesh.load(fileName.c_str(), &mat)) {
Base::FileInfo file(fileName.c_str());
unsigned long segmct = mesh.countSegments();
if (segmct > 1) {
createMeshFromSegments(file.fileNamePure(), mat, mesh);
}
else if (mat.binding == MeshCore::MeshIO::PER_VERTEX
&& mat.diffuseColor.size() == mesh.countPoints()) {
Feature* feature = createMesh(file.fileNamePure(), mesh);
addVertexColors(feature, mat.diffuseColor);
feature->purgeTouched();
}
else if (mat.binding == MeshCore::MeshIO::PER_FACE
&& mat.diffuseColor.size() == mesh.countFacets()) {
Feature* feature = createMesh(file.fileNamePure(), mesh);
addFaceColors(feature, mat.diffuseColor);
feature->purgeTouched();
}
else {
Feature* feature = createMesh(file.fileNamePure(), mesh);
feature->purgeTouched();
}
}
}
void Importer::addVertexColors(Feature* feature, const std::vector<Base::Color>& colors)
{
addColors(feature, "VertexColors", colors);
}
void Importer::addFaceColors(Feature* feature, const std::vector<Base::Color>& colors)
{
addColors(feature, "FaceColors", colors);
}
void Importer::addColors(
Feature* feature,
const std::string& property,
const std::vector<Base::Color>& colors
)
{
App::PropertyColorList* prop = static_cast<App::PropertyColorList*>(
feature->addDynamicProperty("App::PropertyColorList", property.c_str())
);
if (prop) {
prop->setValues(colors);
}
}
void Importer::createMeshFromSegments(const std::string& name, MeshCore::Material& mat, MeshObject& mesh)
{
unsigned long segmct = mesh.countSegments();
for (unsigned long i = 0; i < segmct; i++) {
const Segment& group = mesh.getSegment(i);
std::string groupName = group.getName();
if (groupName.empty()) {
groupName = name;
}
std::unique_ptr<MeshObject> segm(mesh.meshFromSegment(group.getIndices()));
Feature* feature = createMesh(groupName, *segm);
// if colors are set per face
if (mat.binding == MeshCore::MeshIO::PER_FACE
&& mat.diffuseColor.size() == mesh.countFacets()) {
std::vector<Base::Color> diffuseColor;
diffuseColor.reserve(group.getIndices().size());
for (const auto& it : group.getIndices()) {
diffuseColor.push_back(mat.diffuseColor[it]);
}
addFaceColors(feature, diffuseColor);
}
feature->purgeTouched();
}
}
Feature* Importer::createMesh(const std::string& name, MeshObject& mesh)
{
Mesh::Feature* pcFeature = document->addObject<Mesh::Feature>(name.c_str());
pcFeature->Label.setValue(name);
pcFeature->Mesh.swapMesh(mesh);
return pcFeature;
}
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