Renamed AmfExport.(h|cpp) to Exporter.(h|cpp)

This commit is contained in:
Ian Rees
2015-12-19 23:02:04 +13:00
committed by wmayer
parent 54d5e0e3f9
commit 8935db69f4
4 changed files with 7 additions and 7 deletions

View File

@@ -0,0 +1,301 @@
/***************************************************************************
* Copyright (c) Ian Rees <ian.rees@gmail.com> *
* *
* 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 "PreCompiled.h"
#ifndef _PreComp_
#include <algorithm>
#include <map>
#include <vector>
#endif // #ifndef _PreComp_
#include "Exporter.h"
#include "Core/Iterator.h"
#include "Base/Exception.h"
#include "Base/FileInfo.h"
#include "Base/Sequencer.h"
#include "Base/Stream.h"
#include "Base/Tools.h"
using namespace Mesh;
using namespace MeshCore;
MergeExporter::MergeExporter(std::string fileName, MeshIO::Format fmt)
:fName(fileName)
{
}
MergeExporter::~MergeExporter()
{
// if we have more than one segment set the 'save' flag
if (mergingMesh.countSegments() > 1) {
for (unsigned long i = 0; i < mergingMesh.countSegments(); ++i) {
mergingMesh.getSegment(i).save(true);
}
}
mergingMesh.save(fName.c_str());
}
bool MergeExporter::addMesh(Mesh::Feature *meshFeat)
{
const MeshObject &mesh( meshFeat->Mesh.getValue() );
MeshCore::MeshKernel kernel( mesh.getKernel() );
kernel.Transform(mesh.getTransform());
auto countFacets( mergingMesh.countFacets() );
if (countFacets == 0) {
mergingMesh.setKernel(kernel);
} else {
mergingMesh.addMesh(kernel);
}
// if the mesh already has persistent segments then use them instead
unsigned long numSegm = mesh.countSegments();
unsigned long canSave = 0;
for (unsigned long i=0; i<numSegm; i++) {
if (mesh.getSegment(i).isSaved())
canSave++;
}
if (canSave > 0) {
for (unsigned long i=0; i<numSegm; i++) {
const Segment& segm = mesh.getSegment(i);
if (segm.isSaved()) {
std::vector<unsigned long> indices = segm.getIndices();
std::for_each( indices.begin(), indices.end(),
[countFacets] (unsigned long &v) {
v += countFacets;
} );
Segment new_segm(&mergingMesh, indices, true);
new_segm.setName(segm.getName());
mergingMesh.addSegment(new_segm);
}
}
} else {
// now create a segment for the added mesh
std::vector<unsigned long> indices;
indices.resize(mergingMesh.countFacets() - countFacets);
std::generate(indices.begin(), indices.end(), Base::iotaGen<unsigned long>(countFacets));
Segment segm(&mergingMesh, indices, true);
// TODO: pass in the object? segm.setName(obj->Label.getValue());
mergingMesh.addSegment(segm);
}
return true;
}
bool MergeExporter::addShape(App::Property *shape, float tol)
{
if (shape && shape->getTypeId().isDerivedFrom(App::PropertyComplexGeoData::getClassTypeId())) {
Base::Reference<MeshObject> mesh(new MeshObject());
auto countFacets( mergingMesh.countFacets() );
auto geoData( static_cast<App::PropertyComplexGeoData*>(shape)->getComplexData() );
if (geoData) {
std::vector<Base::Vector3d> aPoints;
std::vector<Data::ComplexGeoData::Facet> aTopo;
geoData->getFaces(aPoints, aTopo, tol);
mesh->addFacets(aTopo, aPoints);
if (countFacets == 0)
mergingMesh = *mesh;
else
mergingMesh.addMesh(*mesh);
} else {
return false;
}
// now create a segment for the added mesh
std::vector<unsigned long> indices;
indices.resize(mergingMesh.countFacets() - countFacets);
std::generate(indices.begin(), indices.end(), Base::iotaGen<unsigned long>(countFacets));
Segment segm(&mergingMesh, indices, true);
// TODO: pass in the object? segm.setName(obj->Label.getValue());
mergingMesh.addSegment(segm);
return true;
}
return false;
}
AmfExporter::AmfExporter(std::string fileName) :
outputStreamPtr(nullptr), nextObjectIndex(0)
{
// ask for write permission
Base::FileInfo fi(fileName.c_str());
Base::FileInfo di(fi.dirPath().c_str());
if ((fi.exists() && !fi.isWritable()) || !di.exists() || !di.isWritable())
throw Base::FileException("No write permission for file", fileName);
outputStreamPtr = new Base::ofstream(fi, std::ios::out | std::ios::binary);
if (outputStreamPtr) {
*outputStreamPtr << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<amf unit=\"millimeter\">\n";
}
}
AmfExporter::~AmfExporter()
{
if (outputStreamPtr) {
*outputStreamPtr << "\t<constellation id=\"0\">\n";
for (auto objId(0); objId < nextObjectIndex; ++objId) {
*outputStreamPtr << "\t\t<instance objectid=\"" << objId << "\">\n"
<< "\t\t\t<deltax>0</deltax>\n"
<< "\t\t\t<deltay>0</deltay>\n"
<< "\t\t\t<rz>0</rz>\n"
<< "\t\t</instance>\n";
}
*outputStreamPtr << "\t</constellation>\n"
<< "</amf>\n";
delete outputStreamPtr;
}
}
bool AmfExporter::addShape(App::Property *shape, float tol)
{
// TODO: Add meta info, look into a different way to extract mesh with vertex normals
if (shape && shape->getTypeId().isDerivedFrom(App::PropertyComplexGeoData::getClassTypeId())) {
Base::Reference<MeshObject> mesh(new MeshObject());
auto geoData( static_cast<App::PropertyComplexGeoData*>(shape)->getComplexData() );
if (geoData) {
std::vector<Base::Vector3d> aPoints;
std::vector<Data::ComplexGeoData::Facet> aTopo;
geoData->getFaces(aPoints, aTopo, tol);
mesh->addFacets(aTopo, aPoints);
} else {
return false;
}
MeshCore::MeshKernel kernel = mesh->getKernel();
kernel.Transform(mesh->getTransform());
return addMesh(kernel);
}
return false;
}
bool AmfExporter::addMesh(Mesh::Feature *meshFeat)
{
// TODO: Add name, colour, etc. from the mesh feature
const MeshObject &mesh( meshFeat->Mesh.getValue() );
MeshCore::MeshKernel kernel( mesh.getKernel() );
kernel.Transform(mesh.getTransform());
return addMesh(kernel);
}
bool AmfExporter::addMesh(const MeshCore::MeshKernel &kernel)
{
if (!outputStreamPtr || outputStreamPtr->bad()) {
return false;
}
auto numFacets( kernel.CountFacets() );
if (numFacets == 0) {
return false;
}
MeshCore::MeshFacetIterator clIter(kernel), clEnd(kernel);
Base::SequencerLauncher seq("Saving...", 2 * numFacets + 1);
*outputStreamPtr << "\t<object id=\"" << nextObjectIndex << "\">\n"
<< "\t\t<mesh>\n"
<< "\t\t\t<vertices>\n";
const MeshCore::MeshGeomFacet *facet;
// Iterate through all facets of the mesh, and construct a:
// * Cache (map) of used vertices, outputting each new unique vertex to
// the output stream as we find it
// * Vector of the vertices, referred to by the indices from 1
std::map<Base::Vector3f, unsigned long, AmfExporter::VertLess> vertices;
auto vertItr(vertices.begin());
auto vertexCount(0UL);
// {facet1A, facet1B, facet1C, facet2A, ..., facetNC}
std::vector<unsigned long> facets;
// For each facet in mesh
for(clIter.Begin(), clEnd.End(); clIter < clEnd; ++clIter) {
facet = &(*clIter);
// For each vertex in facet
for (auto i(0); i < 3; ++i) {
vertItr = vertices.find(facet->_aclPoints[i]);
if ( vertItr == vertices.end() ) {
facets.push_back(vertexCount);
vertices[facet->_aclPoints[i]] = vertexCount++;
// Output facet
*outputStreamPtr << "\t\t\t\t<vertex>\n"
<< "\t\t\t\t\t<coordinates>\n";
for ( auto j(0); j < 3; ++j) {
char axis('x' + j);
*outputStreamPtr << "\t\t\t\t\t\t<" << axis << '>'
<< facet->_aclPoints[i][j]
<< "</" << axis << ">\n";
}
*outputStreamPtr << "\t\t\t\t\t</coordinates>\n"
<< "\t\t\t\t</vertex>\n";
} else {
facets.push_back(vertItr->second);
}
}
seq.next(true); // allow to cancel
}
*outputStreamPtr << "\t\t\t</vertices>\n"
<< "\t\t\t<volume>\n";
// Now that we've output all the vertices, we can
// output the facets that refer to them!
for (auto triItr(facets.begin()); triItr != facets.end(); ) {
*outputStreamPtr << "\t\t\t\t<triangle>\n";
for (auto i(1); i < 4; ++i) {
*outputStreamPtr << "\t\t\t\t\t<v" << i << '>'
<< *(triItr++) << "</v" << i << ">\n";
}
*outputStreamPtr << "\t\t\t\t</triangle>\n";
seq.next(true); // allow to cancel
}
*outputStreamPtr << "\t\t\t</volume>\n"
<< "\t\t</mesh>\n"
<< "\t</object>\n";
++nextObjectIndex;
return true;
}