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Mesh: [skip ci] improve color support for X3D and X3DOM output

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This commit is contained in:
wmayer
2020-08-29 14:23:38 +02:00
parent c06a4d462b
commit f50c4a9e26
4 changed files with 101 additions and 66 deletions
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117
src/Mod/Mesh/App/Core/MeshIO.cpp
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@@ -1772,7 +1772,7 @@ std::vector<std::string> MeshOutput::supportedMeshFormats()
fmt.emplace_back("off");
fmt.emplace_back("smf");
fmt.emplace_back("x3d");
fmt.emplace_back("html");
fmt.emplace_back("xhtml");
fmt.emplace_back("wrl");
fmt.emplace_back("wrz");
fmt.emplace_back("amf");
@@ -1813,8 +1813,8 @@ MeshIO::Format MeshOutput::GetFormat(const char* FileName)
else if (file.hasExtension("x3d")) {
return MeshIO::X3D;
}
else if (file.hasExtension("html")) {
return MeshIO::HTML;
else if (file.hasExtension("xhtml")) {
return MeshIO::X3DOM;
}
else if (file.hasExtension("py")) {
return MeshIO::PY;
@@ -1928,10 +1928,10 @@ bool MeshOutput::SaveAny(const char* FileName, MeshIO::Format format) const
if (!SaveX3D(str))
throw Base::FileException("Export of X3D failed",FileName);
}
else if (fileformat == MeshIO::HTML) {
else if (fileformat == MeshIO::X3DOM) {
// write file
if (!SaveHTML(str))
throw Base::FileException("Export of HTML failed",FileName);
if (!SaveX3DOM(str))
throw Base::FileException("Export of X3DOM failed",FileName);
}
else if (fileformat == MeshIO::PY) {
// write file
@@ -1996,8 +1996,8 @@ bool MeshOutput::SaveFormat(std::ostream &str, MeshIO::Format fmt) const
return SaveInventor(str);
case MeshIO::X3D:
return SaveX3D(str);
case MeshIO::HTML:
return SaveHTML(str);
case MeshIO::X3DOM:
return SaveX3DOM(str);
case MeshIO::VRML:
return SaveVRML(str);
case MeshIO::WRZ:
@@ -3021,11 +3021,11 @@ bool MeshOutput::SaveX3D (std::ostream &out) const
// XML header info
out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
return SaveX3DContent(out);
return SaveX3DContent(out, false);
}
/** Writes an X3D file. */
bool MeshOutput::SaveX3DContent (std::ostream &out) const
bool MeshOutput::SaveX3DContent (std::ostream &out, bool exportViewpoints) const
{
if ((!out) || (out.bad() == true) || (_rclMesh.CountFacets() == 0))
return false;
@@ -3036,6 +3036,16 @@ bool MeshOutput::SaveX3DContent (std::ostream &out) const
if (apply_transform)
bbox = bbox.Transformed(_transform);
App::Color mat(0.65f, 0.65f, 0.65f);
if (_material && _material->binding == MeshIO::Binding::OVERALL) {
if (!_material->diffuseColor.empty())
mat = _material->diffuseColor.front();
}
bool saveVertexColor = (_material && _material->binding == MeshIO::PER_VERTEX &&
_material->diffuseColor.size() == pts.size());
bool saveFaceColor = (_material && _material->binding == MeshIO::PER_FACE &&
_material->diffuseColor.size() == fts.size());
Base::SequencerLauncher seq("Saving...", _rclMesh.CountFacets() + 1);
out.precision(6);
out.setf(std::ios::fixed | std::ios::showpoint);
@@ -3051,33 +3061,35 @@ bool MeshOutput::SaveX3DContent (std::ostream &out) const
<< " </head>\n";
// Beginning
out << " <Scene DEF='scene'>\n";
out << " <Scene>\n";
auto viewpoint = [&out](const char* text, const Base::Vector3f& cnt,
const Base::Vector3f& pos, const Base::Vector3f& axis, float angle) {
out << " <Viewpoint id=\"" << text
<< "\" centerOfRotation=\"" << cnt.x << " " << cnt.y << " " << cnt.z
<< "\" position=\"" << pos.x << " " << pos.y << " " << pos.z
<< "\" orientation=\"" << axis.x << " " << axis.y << " " << axis.z << " " << angle
<< "\" description=\"camera\" fieldOfView=\"0.9\">"
<< "</Viewpoint>\n";
};
if (exportViewpoints) {
auto viewpoint = [&out](const char* text, const Base::Vector3f& cnt,
const Base::Vector3f& pos, const Base::Vector3f& axis, float angle) {
out << " <Viewpoint id=\"" << text
<< "\" centerOfRotation=\"" << cnt.x << " " << cnt.y << " " << cnt.z
<< "\" position=\"" << pos.x << " " << pos.y << " " << pos.z
<< "\" orientation=\"" << axis.x << " " << axis.y << " " << axis.z << " " << angle
<< "\" description=\"camera\" fieldOfView=\"0.9\">"
<< "</Viewpoint>\n";
};
Base::Vector3f cnt = bbox.GetCenter();
float minx = bbox.MinX;
float maxx = bbox.MaxX;
float miny = bbox.MinY;
float maxy = bbox.MaxY;
float minz = bbox.MinZ;
float maxz = bbox.MaxZ;
float len = bbox.CalcDiagonalLength();
Base::Vector3f cnt = bbox.GetCenter();
float minx = bbox.MinX;
float maxx = bbox.MaxX;
float miny = bbox.MinY;
float maxy = bbox.MaxY;
float minz = bbox.MinZ;
float maxz = bbox.MaxZ;
float len = bbox.CalcDiagonalLength();
viewpoint("Front", cnt, Base::Vector3f(cnt.x, miny-len, cnt.z), Base::Vector3f(1.0f, 0.0f, 0.0f), 1.5707964f);
viewpoint("Back", cnt, Base::Vector3f(cnt.x, maxy+len, cnt.z), Base::Vector3f(0.0f, 0.707106f, 0.707106f), 3.141592f);
viewpoint("Right", cnt, Base::Vector3f(maxx+len, cnt.y, cnt.z), Base::Vector3f(0.577350f, 0.577350f, 0.577350f), 2.094395f);
viewpoint("Left", cnt, Base::Vector3f(minx-len, cnt.y, cnt.z), Base::Vector3f(-0.577350f, 0.577350f, 0.577350f), 4.188790f);
viewpoint("Top", cnt, Base::Vector3f(cnt.x, cnt.y, maxz+len), Base::Vector3f(0.0f, 0.0f, 1.0f), 0.0f);
viewpoint("Bottom", cnt, Base::Vector3f(cnt.x, cnt.y, minz-len), Base::Vector3f(1.0f, 0.0f, 0.0f), 3.141592f);
viewpoint("Front", cnt, Base::Vector3f(cnt.x, miny-len, cnt.z), Base::Vector3f(1.0f, 0.0f, 0.0f), 1.5707964f);
viewpoint("Back", cnt, Base::Vector3f(cnt.x, maxy+len, cnt.z), Base::Vector3f(0.0f, 0.707106f, 0.707106f), 3.141592f);
viewpoint("Right", cnt, Base::Vector3f(maxx+len, cnt.y, cnt.z), Base::Vector3f(0.577350f, 0.577350f, 0.577350f), 2.094395f);
viewpoint("Left", cnt, Base::Vector3f(minx-len, cnt.y, cnt.z), Base::Vector3f(-0.577350f, 0.577350f, 0.577350f), 4.188790f);
viewpoint("Top", cnt, Base::Vector3f(cnt.x, cnt.y, maxz+len), Base::Vector3f(0.0f, 0.0f, 1.0f), 0.0f);
viewpoint("Bottom", cnt, Base::Vector3f(cnt.x, cnt.y, minz-len), Base::Vector3f(1.0f, 0.0f, 0.0f), 3.141592f);
}
if (apply_transform) {
Base::Placement p(_transform);
@@ -3100,10 +3112,19 @@ bool MeshOutput::SaveX3DContent (std::ostream &out) const
out << " <Transform>\n";
}
out << " <Shape>\n";
out << " <Appearance><Material DEF='Shape_Mat' diffuseColor='0.65 0.65 0.65'"
" shininess='0.9' specularColor='1 1 1'></Material></Appearance>\n";
out << " <Appearance>\n"
" <Material diffuseColor='" << mat.r << " " << mat.g << " " << mat.b << "' shininess='0.9' specularColor='1 1 1'></Material>\n"
" </Appearance>\n";
out << " <IndexedFaceSet solid=\"false\" coordIndex=\"";
out << " <IndexedFaceSet solid=\"false\" ";
if (saveVertexColor) {
out << "colorPerVertex=\"true\" ";
}
else if (saveFaceColor) {
out << "colorPerVertex=\"false\" ";
}
out << "coordIndex=\"";
for (MeshFacetArray::_TConstIterator it = fts.begin(); it != fts.end(); ++it) {
out << it->_aulPoints[0] << " " << it->_aulPoints[1] << " " << it->_aulPoints[2] << " -1 ";
}
@@ -3115,6 +3136,15 @@ bool MeshOutput::SaveX3DContent (std::ostream &out) const
}
out << "\"/>\n";
// write colors per vertex or face
if (saveVertexColor || saveFaceColor) {
out << " <Color color=\"";
for (const auto& c : _material->diffuseColor) {
out << c.r << " " << c.g << " " << c.b << ", ";
}
out << "\"/>\n";
}
// End
out << " </IndexedFaceSet>\n"
<< " </Shape>\n"
@@ -3127,13 +3157,18 @@ bool MeshOutput::SaveX3DContent (std::ostream &out) const
return true;
}
/** Writes an HTML file. */
bool MeshOutput::SaveHTML (std::ostream &out) const
/** Writes an X3DOM file. */
bool MeshOutput::SaveX3DOM (std::ostream &out) const
{
if ((!out) || (out.bad() == true) || (_rclMesh.CountFacets() == 0))
return false;
out << "<html>\n"
// See:
// https://stackoverflow.com/questions/31976056/unable-to-color-faces-using-indexedfaceset-in-x3dom
//
out << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
out << "<html xmlns='http://www.w3.org/1999/xhtml'>\n"
<< " <head>\n"
<< " <script type='text/javascript' src='http://www.x3dom.org/download/x3dom.js'> </script>\n"
<< " <link rel='stylesheet' type='text/css' href='http://www.x3dom.org/download/x3dom.css'></link>\n"
@@ -3149,7 +3184,7 @@ bool MeshOutput::SaveHTML (std::ostream &out) const
<button onclick="zoom(0.15);">Zoom out</button>
#endif
SaveX3DContent(out);
SaveX3DContent(out, true);
auto onclick = [&out](const char* text) {
out << " <button onclick=\"document.getElementById('" << text << "').setAttribute('set_bind','true');\">" << text << "</button>\n";