Mesh: move 3MF writer to its own class

This commit is contained in:
wmayer
2022-08-30 12:00:23 +02:00
parent b277ef36c1
commit d371abf6f5
5 changed files with 201 additions and 91 deletions

View File

@@ -100,6 +100,8 @@ SET(Core_SRCS
Core/CylinderFit.h
Core/SphereFit.cpp
Core/SphereFit.h
Core/IO/Writer3MF.cpp
Core/IO/Writer3MF.h
)
SOURCE_GROUP("Core" FILES ${Core_SRCS})

View File

@@ -0,0 +1,136 @@
/***************************************************************************
* Copyright (c) 2022 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 "PreCompiled.h"
#ifndef _PreComp_
# include <ostream>
#endif
#include "Writer3MF.h"
#include "Core/MeshKernel.h"
#include <Base/Tools.h>
#include <zipios++/gzipoutputstream.h>
#include <zipios++/zipoutputstream.h>
using namespace MeshCore;
void Writer3MF::SetTransform(const Base::Matrix4D& mat)
{
transform = mat;
if (mat != Base::Matrix4D())
applyTransform = true;
}
bool Writer3MF::Save(std::ostream &str) const
{
zipios::ZipOutputStream zip(str);
zip.putNextEntry("3D/3dmodel.model");
if (!SaveModel(zip))
return false;
zip.closeEntry();
zip.putNextEntry("_rels/.rels");
if (!SaveRels(zip))
return false;
zip.closeEntry();
zip.putNextEntry("[Content_Types].xml");
if (!SaveContent(zip))
return false;
zip.closeEntry();
return true;
}
bool Writer3MF::SaveModel(std::ostream &str) const
{
const MeshPointArray& rPoints = kernel.GetPoints();
const MeshFacetArray& rFacets = kernel.GetFacets();
if (!str || str.bad())
return false;
str << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<model unit=\"millimeter\"\n"
<< " xml:lang=\"en-US\"\n"
<< " xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\">\n"
<< "<metadata name=\"Application\">FreeCAD</metadata>\n";
str << Base::blanks(2) << "<resources>\n";
str << Base::blanks(4) << "<object id=\"1\" type=\"model\">\n";
str << Base::blanks(6) << "<mesh>\n";
// vertices
str << Base::blanks(8) << "<vertices>\n";
Base::Vector3f pt;
std::size_t index = 0;
for (MeshPointArray::_TConstIterator it = rPoints.begin(); it != rPoints.end(); ++it, ++index) {
pt.Set(it->x, it->y, it->z);
if (this->applyTransform) {
this->transform.multVec(pt, pt);
}
str << Base::blanks(10) << "<vertex x=\"" << pt.x
<< "\" y=\"" << pt.y
<< "\" z=\"" << pt.z
<< "\" />\n";
}
str << Base::blanks(8) << "</vertices>\n";
// facet indices
str << Base::blanks(8) << "<triangles>\n";
for (MeshFacetArray::_TConstIterator it = rFacets.begin(); it != rFacets.end(); ++it) {
str << Base::blanks(10) << "<triangle v1=\"" << it->_aulPoints[0]
<< "\" v2=\"" << it->_aulPoints[1]
<< "\" v3=\"" << it->_aulPoints[2]
<< "\" />\n";
}
str << Base::blanks(8) << "</triangles>\n";
str << Base::blanks(6) << "</mesh>\n";
str << Base::blanks(4) << "</object>\n";
str << Base::blanks(2) << "</resources>\n";
str << Base::blanks(2) << "<build>\n";
str << Base::blanks(4) << "<item objectid=\"1\" />\n";
str << Base::blanks(2) << "</build>\n";
str << "</model>\n";
return true;
}
bool Writer3MF::SaveRels(std::ostream &str) const
{
str << "<?xml version='1.0' encoding='UTF-8'?>\n"
<< "<Relationships xmlns=\"http://schemas.openxmlformats.org/package/2006/relationships\">"
"<Relationship Id=\"rel0\" Target=\"/3D/3dmodel.model\" Type=\"http://schemas.microsoft.com/3dmanufacturing/2013/01/3dmodel\" />"
"</Relationships>";
return true;
}
bool Writer3MF::SaveContent(std::ostream &str) const
{
str << "<?xml version='1.0' encoding='UTF-8'?>\n"
<< "<Types xmlns=\"http://schemas.openxmlformats.org/package/2006/content-types\">"
"<Default ContentType=\"application/vnd.openxmlformats-package.relationships+xml\" Extension=\"rels\" />"
"<Default ContentType=\"application/vnd.ms-package.3dmanufacturing-3dmodel+xml\" Extension=\"model\" />"
"</Types>";
return true;
}

View File

@@ -0,0 +1,59 @@
/***************************************************************************
* Copyright (c) 2022 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 *
* *
***************************************************************************/
#ifndef MESH_IO_WRITER_3MF_H
#define MESH_IO_WRITER_3MF_H
#include <iosfwd>
#include "Core/Elements.h"
namespace MeshCore
{
class MeshKernel;
/** Saves the mesh object into 3MF format. */
class MeshExport Writer3MF
{
public:
Writer3MF(const MeshKernel &mesh):
kernel(mesh) {}
void SetTransform(const Base::Matrix4D&);
bool Save(std::ostream &str) const;
private:
bool SaveModel(std::ostream &str) const;
bool SaveRels(std::ostream &str) const;
bool SaveContent(std::ostream &str) const;
private:
bool applyTransform = false;
Base::Matrix4D transform;
const MeshKernel &kernel;
};
} // namespace MeshCore
#endif // MESH_IO_WRITER_3MF_H

View File

@@ -30,6 +30,7 @@
#include "Algorithm.h"
#include "Builder.h"
#include "Degeneration.h"
#include "IO/Writer3MF.h"
#include <Base/Builder3D.h>
#include <Base/Console.h>
@@ -2882,94 +2883,9 @@ void MeshOutput::SaveXML (Base::Writer &writer) const
/** Saves the mesh object into a 3MF file. */
bool MeshOutput::Save3MF(std::ostream &str) const
{
zipios::ZipOutputStream zip(str);
zip.putNextEntry("3D/3dmodel.model");
if (!Save3MFModel(zip))
return false;
zip.closeEntry();
zip.putNextEntry("_rels/.rels");
if (!Save3MFRels(zip))
return false;
zip.closeEntry();
zip.putNextEntry("[Content_Types].xml");
if (!Save3MFContent(zip))
return false;
zip.closeEntry();
return true;
}
bool MeshOutput::Save3MFRels(std::ostream &str) const
{
str << "<?xml version='1.0' encoding='UTF-8'?>\n"
<< "<Relationships xmlns=\"http://schemas.openxmlformats.org/package/2006/relationships\">"
"<Relationship Id=\"rel0\" Target=\"/3D/3dmodel.model\" Type=\"http://schemas.microsoft.com/3dmanufacturing/2013/01/3dmodel\" />"
"</Relationships>";
return true;
}
bool MeshOutput::Save3MFContent(std::ostream &str) const
{
str << "<?xml version='1.0' encoding='UTF-8'?>\n"
<< "<Types xmlns=\"http://schemas.openxmlformats.org/package/2006/content-types\">"
"<Default ContentType=\"application/vnd.openxmlformats-package.relationships+xml\" Extension=\"rels\" />"
"<Default ContentType=\"application/vnd.ms-package.3dmanufacturing-3dmodel+xml\" Extension=\"model\" />"
"</Types>";
return true;
}
bool MeshOutput::Save3MFModel (std::ostream &str) const
{
const MeshPointArray& rPoints = _rclMesh.GetPoints();
const MeshFacetArray& rFacets = _rclMesh.GetFacets();
if (!str || str.bad())
return false;
str << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<model unit=\"millimeter\"\n"
<< " xml:lang=\"en-US\"\n"
<< " xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\">\n"
<< "<metadata name=\"Application\">FreeCAD</metadata>\n";
str << Base::blanks(2) << "<resources>\n";
str << Base::blanks(4) << "<object id=\"1\" type=\"model\">\n";
str << Base::blanks(6) << "<mesh>\n";
// vertices
str << Base::blanks(8) << "<vertices>\n";
Base::Vector3f pt;
std::size_t index = 0;
for (MeshPointArray::_TConstIterator it = rPoints.begin(); it != rPoints.end(); ++it, ++index) {
pt.Set(it->x, it->y, it->z);
if (this->apply_transform) {
this->_transform.multVec(pt, pt);
}
str << Base::blanks(10) << "<vertex x=\"" << pt.x
<< "\" y=\"" << pt.y
<< "\" z=\"" << pt.z
<< "\" />\n";
}
str << Base::blanks(8) << "</vertices>\n";
// facet indices
str << Base::blanks(8) << "<triangles>\n";
for (MeshFacetArray::_TConstIterator it = rFacets.begin(); it != rFacets.end(); ++it) {
str << Base::blanks(10) << "<triangle v1=\"" << it->_aulPoints[0]
<< "\" v2=\"" << it->_aulPoints[1]
<< "\" v3=\"" << it->_aulPoints[2]
<< "\" />\n";
}
str << Base::blanks(8) << "</triangles>\n";
str << Base::blanks(6) << "</mesh>\n";
str << Base::blanks(4) << "</object>\n";
str << Base::blanks(2) << "</resources>\n";
str << Base::blanks(2) << "<build>\n";
str << Base::blanks(4) << "<item objectid=\"1\" />\n";
str << Base::blanks(2) << "</build>\n";
str << "</model>\n";
return true;
Writer3MF writer(_rclMesh);
writer.SetTransform(_transform);
return writer.Save(str);
}
/** Writes an IDTF file. */

View File

@@ -228,9 +228,6 @@ public:
protected:
/** Writes an X3D file. */
bool SaveX3DContent (std::ostream &rstrOut, bool exportViewpoints) const;
bool Save3MFModel(std::ostream &str) const;
bool Save3MFRels(std::ostream &str) const;
bool Save3MFContent(std::ostream &str) const;
protected:
const MeshKernel &_rclMesh; /**< reference to mesh data structure */