meshlab/src/common/meshmodel.cpp
2010-02-27 00:53:18 +00:00

299 lines
9.5 KiB
C++

/****************************************************************************
* MeshLab o o *
* A versatile mesh processing toolbox o o *
* _ O _ *
* Copyright(C) 2005 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
#include <QString>
#include <QtGlobal>
#include <QFileInfo>
#include "meshmodel.h"
#include <wrap/gl/math.h>
using namespace vcg;
MeshModel *MeshDocument::getMesh(const char *name)
{
foreach(MeshModel *mmp, meshList)
{
if(mmp->shortName() == name) return mmp;
}
assert(0);
return 0;
}
void MeshDocument::setCurrentMesh(unsigned int i)
{
assert(i < (unsigned int)meshList.size());
currentMesh=meshList.at(i);
emit currentMeshChanged(i);
}
MeshModel *MeshDocument::addNewMesh(const char *meshName, MeshModel *newMesh)
{
QString newName=meshName;
for(QList<MeshModel*>::iterator mmi=meshList.begin();mmi!=meshList.end();++mmi)
{
if((*mmi)->shortName() == newName)
newName = newName+"_copy";
}
if(newMesh==0)
newMesh=new MeshModel(qPrintable(newName));
else
newMesh->setFileName(newName);
meshList.push_back(newMesh);
currentMesh=meshList.back();
emit currentMeshChanged(meshList.size()-1);
return newMesh;
}
bool MeshDocument::delMesh(MeshModel *mmToDel)
{
if(meshList.size()==1) return false;
QMutableListIterator<MeshModel *> i(meshList);
while (i.hasNext())
{
MeshModel *md = i.next();
if (md==mmToDel)
{
i.remove();
delete mmToDel;
}
}
if(currentMesh == mmToDel)
{
setCurrentMesh(0);
}
return true;
}
bool MeshModel::Render(vcg::GLW::DrawMode _dm, vcg::GLW::ColorMode _cm, vcg::GLW::TextureMode _tm)
{
// Needed to be defined here for splatrender as long there is no "MeshlabCore" library.
using namespace vcg;
glPushMatrix();
glMultMatrix(cm.Tr);
if( (_cm == GLW::CMPerFace) && (!tri::HasPerFaceColor(cm)) ) _cm=GLW::CMNone;
if( (_tm == GLW::TMPerWedge )&& (!tri::HasPerWedgeTexCoord(cm)) ) _tm=GLW::TMNone;
if( (_tm == GLW::TMPerWedgeMulti )&& (!tri::HasPerWedgeTexCoord(cm)) ) _tm=GLW::TMNone;
glw.Draw(_dm,_cm,_tm);
glPopMatrix();
return true;
}
bool MeshModel::RenderSelectedFace()
{
glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_LIGHTING_BIT | GL_DEPTH_BUFFER_BIT );
glEnable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glDepthMask(GL_FALSE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) ;
glColor4f(1.0f,0.0,0.0,.3f);
glPolygonOffset(-1.0, -1);
CMeshO::FaceIterator fi;
glPushMatrix();
glMultMatrix(cm.Tr);glBegin(GL_TRIANGLES);
cm.sfn=0;
for(fi=cm.face.begin();fi!=cm.face.end();++fi)
if(!(*fi).IsD() && (*fi).IsS())
{
glVertex((*fi).cP(0));
glVertex((*fi).cP(1));
glVertex((*fi).cP(2));
++cm.sfn;
}
glEnd();
glPopMatrix();
glPopAttrib();
return true;
}
bool MeshModel::RenderSelectedVert()
{
glPushAttrib(GL_ENABLE_BIT | GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_LIGHTING_BIT | GL_DEPTH_BUFFER_BIT );
glEnable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_LIGHTING);
glDisable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glDepthMask(GL_FALSE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) ;
glColor4f(1.0f,0.0,0.0,.3f);
glPolygonOffset(-1.0, -1);
glPointSize(2.0);
glPushMatrix();
glMultMatrix(cm.Tr);
glBegin(GL_POINTS);
cm.svn=0;
CMeshO::VertexIterator vi;
for(vi=cm.vert.begin();vi!=cm.vert.end();++vi)
if(!(*vi).IsD() && (*vi).IsS())
{
glVertex((*vi).cP());
++cm.svn;
}
glEnd();
glPopMatrix();
glPopAttrib();
return true;
}
int MeshModel::io2mm(int single_iobit)
{
switch(single_iobit)
{
case tri::io::Mask::IOM_NONE : return MM_NONE;
case tri::io::Mask::IOM_VERTCOORD : return MM_VERTCOORD;
case tri::io::Mask::IOM_VERTCOLOR : return MM_VERTCOLOR;
case tri::io::Mask::IOM_VERTFLAGS : return MM_VERTFLAG;
case tri::io::Mask::IOM_VERTQUALITY : return MM_VERTQUALITY;
case tri::io::Mask::IOM_VERTNORMAL : return MM_VERTNORMAL;
case tri::io::Mask::IOM_VERTTEXCOORD : return MM_VERTTEXCOORD;
case tri::io::Mask::IOM_VERTRADIUS : return MM_VERTRADIUS;
case tri::io::Mask::IOM_FACEINDEX : return MM_FACEVERT ;
case tri::io::Mask::IOM_FACEFLAGS : return MM_FACEFLAG ;
case tri::io::Mask::IOM_FACECOLOR : return MM_FACECOLOR ;
case tri::io::Mask::IOM_FACEQUALITY : return MM_FACEQUALITY;
case tri::io::Mask::IOM_FACENORMAL : return MM_FACENORMAL ;
case tri::io::Mask::IOM_WEDGTEXCOORD : return MM_WEDGTEXCOORD;
case tri::io::Mask::IOM_WEDGCOLOR : return MM_WEDGCOLOR;
case tri::io::Mask::IOM_WEDGNORMAL : return MM_WEDGNORMAL ;
case tri::io::Mask::IOM_BITPOLYGONAL : return MM_POLYGONAL ;
default:
assert(0);
return MM_NONE; // FIXME: Returning this is not the best solution (!)
break;
} ;
}
void MeshModelState::create(int _mask, MeshModel* _m)
{
m=_m;
changeMask=_mask;
if(changeMask & MeshModel::MM_VERTCOLOR)
{
vertColor.resize(m->cm.vert.size());
std::vector<vcg::Color4b>::iterator ci;
CMeshO::VertexIterator vi;
for(vi = m->cm.vert.begin(), ci = vertColor.begin(); vi != m->cm.vert.end(); ++vi, ++ci)
if(!(*vi).IsD()) (*ci)=(*vi).C();
}
if(changeMask & MeshModel::MM_VERTCOORD)
{
vertCoord.resize(m->cm.vert.size());
std::vector<vcg::Point3f>::iterator ci;
CMeshO::VertexIterator vi;
for(vi = m->cm.vert.begin(), ci = vertCoord.begin(); vi != m->cm.vert.end(); ++vi, ++ci)
if(!(*vi).IsD()) (*ci)=(*vi).P();
}
if(changeMask & MeshModel::MM_VERTNORMAL)
{
vertNormal.resize(m->cm.vert.size());
std::vector<vcg::Point3f>::iterator ci;
CMeshO::VertexIterator vi;
for(vi = m->cm.vert.begin(), ci = vertNormal.begin(); vi != m->cm.vert.end(); ++vi, ++ci)
if(!(*vi).IsD()) (*ci)=(*vi).N();
}
if(changeMask & MeshModel::MM_FACEFLAGSELECT)
{
faceSelection.resize(m->cm.face.size());
std::vector<bool>::iterator ci;
CMeshO::FaceIterator fi;
for(fi = m->cm.face.begin(), ci = faceSelection.begin(); fi != m->cm.face.end(); ++fi, ++ci)
if(!(*fi).IsD()) (*ci) = (*fi).IsS();
}
if(changeMask & MeshModel::MM_TRANSFMATRIX)
Tr = m->cm.Tr;
}
bool MeshModelState::apply(MeshModel *_m)
{
if(_m != m) return false;
if(changeMask & MeshModel::MM_VERTCOLOR)
{
if(vertColor.size() != m->cm.vert.size()) return false;
std::vector<vcg::Color4b>::iterator ci;
CMeshO::VertexIterator vi;
for(vi = m->cm.vert.begin(), ci = vertColor.begin(); vi != m->cm.vert.end(); ++vi, ++ci)
if(!(*vi).IsD()) (*vi).C()=(*ci);
}
if(changeMask & MeshModel::MM_VERTCOORD)
{
if(vertCoord.size() != m->cm.vert.size()) return false;
std::vector<vcg::Point3f>::iterator ci;
CMeshO::VertexIterator vi;
for(vi = m->cm.vert.begin(), ci = vertCoord.begin(); vi != m->cm.vert.end(); ++vi, ++ci)
if(!(*vi).IsD()) (*vi).P()=(*ci);
}
if(changeMask & MeshModel::MM_VERTNORMAL)
{
if(vertNormal.size() != m->cm.vert.size()) return false;
std::vector<vcg::Point3f>::iterator ci;
CMeshO::VertexIterator vi;
for(vi = m->cm.vert.begin(), ci=vertNormal.begin(); vi != m->cm.vert.end(); ++vi, ++ci)
if(!(*vi).IsD()) (*vi).N()=(*ci);
//now reset the face normals
vcg::tri::UpdateNormals<CMeshO>::PerFaceNormalized(m->cm);
}
if(changeMask & MeshModel::MM_FACEFLAGSELECT)
{
if(faceSelection.size() != m->cm.face.size()) return false;
std::vector<bool>::iterator ci;
CMeshO::FaceIterator fi;
for(fi = m->cm.face.begin(), ci = faceSelection.begin(); fi != m->cm.face.end(); ++fi, ++ci)
{
if((*ci))
(*fi).SetS();
else
(*fi).ClearS();
}
}
if(changeMask & MeshModel::MM_TRANSFMATRIX)
m->cm.Tr=Tr;
return true;
}
const QString MeshModel::shortName() const
{
return QFileInfo(fullPathFileName).fileName();
}