mirror of
https://github.com/lucaspalomodevelop/meshlab.git
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527 lines
16 KiB
C++
527 lines
16 KiB
C++
/****************************************************************************
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* MeshLab o o *
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* A versatile mesh processing toolbox o o *
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* _ O _ *
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* Copyright(C) 2005 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log$
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Revision 1.32 2006/03/29 10:44:06 zifnab1974
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for gcc 3.4.5
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Revision 1.31 2006/03/29 10:06:14 cignoni
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disambiguated max float/double
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Revision 1.30 2006/03/29 07:30:21 zifnab1974
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max of float and double is not possible, remove f for gcc 3.4.5
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Revision 1.29 2006/02/22 12:24:41 cignoni
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Restructured Quoted Box.
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Revision 1.28 2006/02/19 22:17:17 glvertex
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Applied gcc patch
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Revision 1.27 2006/02/18 18:07:20 glvertex
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Quoted box now has extern quoted lines
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Revision 1.26 2006/02/17 16:09:31 glvertex
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Partial restyle in drawAxis and drawQuotedBox
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A lot of optimizations
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Revision 1.25 2006/02/16 17:06:54 glvertex
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Solved nasty bug on choosing axis candidate
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Revision 1.24 2006/02/16 12:34:35 glvertex
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Fixed quoted box
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Some optimizations
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Revision 1.23 2006/02/16 12:01:51 alemochi
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correct bug
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Revision 1.22 2006/02/15 16:27:33 glvertex
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- Added labels to the quoted box
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- Credits
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Revision 1.21 2006/02/06 22:44:02 davide_portelli
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Some changes in DrawAxis in order to compile under gcc
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****************************************************************************/
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#include <QtGui>
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#include <math.h>
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#include <limits>
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#include <stdlib.h>
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#include "meshdecorate.h"
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#include<vcg/complex/trimesh/base.h>
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#include <wrap/gl/addons.h>
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using namespace vcg;
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const ActionInfo &ExtraMeshDecoratePlugin::Info(QAction *action)
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{
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static ActionInfo ai;
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if(action->text() == ST(DP_SHOW_AXIS))
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{
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ai.Help = tr("Draws XYZ axes in world coordinates");
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ai.ShortHelp = tr("Draws XYZ axes in world coordinates");
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}
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if(action->text() == ST(DP_SHOW_BOX_CORNERS))
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{
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ai.Help = tr("Draws object's bounding box corners");
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ai.ShortHelp = tr("Draws object's bounding box corners");
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}
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if(action->text() == ST(DP_SHOW_NORMALS))
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{
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ai.Help = tr("Draws object vertex normals");
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ai.ShortHelp = tr("Draws object vertex normals");
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}
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if(action->text() == ST(DP_SHOW_QUOTED_BOX))
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{
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ai.Help = tr("Draws quoted box");
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ai.ShortHelp = tr("Draws quoted box");
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}
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return ai;
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}
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const PluginInfo &ExtraMeshDecoratePlugin::Info()
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{
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static PluginInfo ai;
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ai.Date=tr("January 2006");
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ai.Author=tr("Paolo Cignoni & Alessio Mochi, Davide Portelli, Daniele Vacca ");
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ai.Version=tr("0.6");
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return ai;
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}
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const QString ExtraMeshDecoratePlugin::ST(int id) const
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{
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switch(id)
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{
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case DP_SHOW_NORMALS : return QString("Show Normals");
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case DP_SHOW_BOX_CORNERS : return QString("Show Box Corners");
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case DP_SHOW_AXIS : return QString("Show Axis");
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case DP_SHOW_QUOTED_BOX : return QString("Show Quoted Box");
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default: assert(0);
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}
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return QString("error!");
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}
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void ExtraMeshDecoratePlugin::Decorate(QAction *a, MeshModel &m, RenderMode &/*rm*/, GLArea *gla)
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{
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if(a->text() == ST(DP_SHOW_NORMALS))
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{
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glPushAttrib(GL_ENABLE_BIT );
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float LineLen = m.cm.bbox.Diag()/20.0;
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CMeshO::VertexIterator vi;
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glDisable(GL_LIGHTING);
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glDisable(GL_TEXTURE_2D);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
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glBegin(GL_LINES);
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glColor4f(.4f,.4f,1.f,.6f);
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for(vi=m.cm.vert.begin();vi!=m.cm.vert.end();++vi)
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{
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glVertex((*vi).P());
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glVertex((*vi).P()+(*vi).N()*LineLen);
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}
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glEnd();
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glPopAttrib();
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}
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if(a->text() == ST(DP_SHOW_BOX_CORNERS)) DrawBBoxCorner(m);
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if(a->text() == ST(DP_SHOW_AXIS)) DrawAxis(m,gla);
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if(a->text() == ST(DP_SHOW_QUOTED_BOX)) DrawQuotedBox(m,gla);
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}
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void ExtraMeshDecoratePlugin::DrawQuotedBox(MeshModel &m,GLArea *gla)
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{
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glPushAttrib(GL_ENABLE_BIT | GL_LINE_BIT | GL_POINT_BIT | GL_CURRENT_BIT | GL_LIGHTING_BIT | GL_COLOR_BUFFER_BIT );
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glDisable(GL_LIGHTING);
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glDisable(GL_TEXTURE_2D);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_LINE_SMOOTH);
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glEnable(GL_POINT_SMOOTH);
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// Get gl state values
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double mm[16],mp[16];
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int vp[4];
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glGetDoublev(GL_PROJECTION_MATRIX,mp);
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glGetDoublev(GL_MODELVIEW_MATRIX,mm);
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glGetIntegerv(GL_VIEWPORT,vp);
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// Mesh boundingBox
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Box3f b(m.cm.bbox);
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glColor(Color4b::LightGray);
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glBoxWire(b);
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glLineWidth(1.f);
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glPointSize(3.f);
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Point3d p1,p2;
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Point3f c = b.Center();
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float s = 1.15f;
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const float LabelSpacing = 20;
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chooseX(b,mm,mp,vp,p1,p2); // Selects x axis candidate
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glPushMatrix();
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glScalef(1,s,s);
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glTranslatef(0,c[1]/s-c[1],c[2]/s-c[2]);
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drawQuotedLine(p1,p2,b.min[0],b.max[0],calcSlope(p1,p2,b.DimX(),LabelSpacing,mm,mp,vp),gla); // Draws x axis
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glPopMatrix();
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chooseY(b,mm,mp,vp,p1,p2); // Selects y axis candidate
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glPushMatrix();
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glScalef(s,1,s);
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glTranslatef(c[0]/s-c[0],0,c[2]/s-c[2]);
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drawQuotedLine(p1,p2,b.min[1],b.max[1],calcSlope(p1,p2,b.DimY(),LabelSpacing,mm,mp,vp),gla); // Draws y axis
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glPopMatrix();
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chooseZ(b,mm,mp,vp,p1,p2); // Selects z axis candidate
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glPushMatrix();
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glScalef(s,s,1);
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glTranslatef(c[0]/s-c[0],c[1]/s-c[1],0);
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drawQuotedLine(p2,p1,b.min[2],b.max[2],calcSlope(p1,p2,b.DimZ(),LabelSpacing,mm,mp,vp),gla); // Draws z axis
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glPopMatrix();
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glPopAttrib();
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}
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void ExtraMeshDecoratePlugin::chooseX(Box3f &box,double *mm,double *mp,int *vp,Point3d &x1,Point3d &x2)
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{
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float d = -std::numeric_limits<float>::max();
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Point3d c;
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// Project the bbox center
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gluProject(box.Center()[0],box.Center()[1],box.Center()[2],mm,mp,vp,&c[0],&c[1],&c[2]);
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c[2] = 0;
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Point3d out1,out2;
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Point3f in1,in2;
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for (int i=0;i<8;i+=2)
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{
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// find the furthest axis
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in1 = box.P(i);
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in2 = box.P(i+1);
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gluProject((double)in1[0],(double)in1[1],(double)in1[2],mm,mp,vp,&out1[0],&out1[1],&out1[2]);
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gluProject((double)in2[0],(double)in2[1],(double)in2[2],mm,mp,vp,&out2[0],&out2[1],&out2[2]);
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out1[2] = out2[2] = 0;
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float currDist = Distance(c,(out1+out2)*.5f);
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if(currDist > d)
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{
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d = currDist;
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x1.Import(in1);
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x2.Import(in2);
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}
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}
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}
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void ExtraMeshDecoratePlugin::chooseY(Box3f &box,double *mm,double *mp,int *vp,Point3d &y1,Point3d &y2)
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{
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float d = -std::numeric_limits<float>::max();
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Point3d c;
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// Project the bbox center
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gluProject(box.Center()[0],box.Center()[1],box.Center()[2],mm,mp,vp,&c[0],&c[1],&c[2]);
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c[2] = 0;
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Point3d out1,out2;
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Point3f in1,in2;
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for (int i=0;i<6;++i)
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{
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if(i==2) i = 4; // skip
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// find the furthest axis
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in1 = box.P(i);
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in2 = box.P(i+2);
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gluProject((double)in1[0],(double)in1[1],(double)in1[2],mm,mp,vp,&out1[0],&out1[1],&out1[2]);
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gluProject((double)in2[0],(double)in2[1],(double)in2[2],mm,mp,vp,&out2[0],&out2[1],&out2[2]);
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out1[2] = out2[2] = 0;
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float currDist = Distance(c,(out1+out2)*.5f);
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if(currDist > d)
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{
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d = currDist;
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y1.Import(in1);
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y2.Import(in2);
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}
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}
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}
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void ExtraMeshDecoratePlugin::chooseZ(Box3f &box,double *mm,double *mp,int *vp,Point3d &z1,Point3d &z2)
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{
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float d = -std::numeric_limits<float>::max();
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Point3d c;
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// Project the bbox center
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gluProject(box.Center()[0],box.Center()[1],box.Center()[2],mm,mp,vp,&c[0],&c[1],&c[2]);
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c[2] = 0;
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Point3d out1,out2;
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Point3f in1,in2;
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Point3d m;
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for (int i=0;i<4;++i)
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{
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// find the furthest axis
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in1 = box.P(i);
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in2 = box.P(i+4);
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gluProject((double)in1[0],(double)in1[1],(double)in1[2],mm,mp,vp,&out1[0],&out1[1],&out1[2]);
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gluProject((double)in2[0],(double)in2[1],(double)in2[2],mm,mp,vp,&out2[0],&out2[1],&out2[2]);
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out1[2] = out2[2] = 0;
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float currDist = Distance(c,(out1+out2)*.5f);
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if(currDist > d)
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{
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d = currDist;
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z1.Import(in1);
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z2.Import(in2);
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}
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}
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}
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float ExtraMeshDecoratePlugin::calcSlope(const Point3d &a,const Point3d &b,float dim,int spacing,double *mm,double *mp,int *vp)
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{
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Point3d p1,p2;
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gluProject(a[0],a[1],a[2],mm,mp,vp,&p1[0],&p1[1],&p1[2]);
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gluProject(b[0],b[1],b[2],mm,mp,vp,&p2[0],&p2[1],&p2[2]);
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p1[2]=p2[2]=0;
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float tickNum = spacing/Distance(p2,p1);// pxl spacing
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float slope = dim*tickNum;
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//slope = vcg::math::Min<float>(niceRound(slope), 0.5*niceRound(2*slope));
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qDebug("slope %f nice %f 0.5f*nice(2*slope) %f 0.2f*nice(5*slope)%f",slope,niceRound(slope), 0.5f*niceRound(2.0f*slope),0.2f*niceRound(5.0f*slope));
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float nslope = min(
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min(niceRound(slope), 0.5f*niceRound(2.0f*slope)),
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0.2f*niceRound(5.0f*slope));
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nslope = vcg::math::Max<float>(niceRound(dim*.001f),nslope); // prevent too small slope
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qDebug("choosen %f ",nslope);
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return nslope;
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}
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void ExtraMeshDecoratePlugin::drawTickedLine(const Point3d &a,const Point3d &b, float dim,float tickDist)
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{
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Point3d v(b-a);
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v = v /dim; // normalize without computing square roots and powers
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glBegin(GL_POINTS);
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float i;
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qDebug("drawTickedLine %f",tickDist);
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for(i=tickDist;i<dim;i+=tickDist)
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glVertex3f(a[0] + i*v[0],a[1] + i*v[1],a[2] + i*v[2]);
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glEnd();
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// Draws bigger ticks at 0 and at max size
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glPushAttrib(GL_POINT_BIT);
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glPointSize(6);
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glBegin(GL_POINTS);
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glVertex(a); // Zero
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glVertex3f(a[0] + dim*v[0],a[1] + dim*v[1],a[2] + dim*v[2]);
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glEnd();
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glPopAttrib();
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}
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void ExtraMeshDecoratePlugin::drawQuotedLine(const Point3d &a,const Point3d &b, float aVal, float bVal, float tickDist,GLArea *gla)
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{
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qDebug("drawQuotedLine %f",tickDist);
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float firstTick;
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if(aVal > 0) firstTick = aVal - fmod(aVal,tickDist) + tickDist;
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else firstTick = aVal - fmod(aVal,tickDist);
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float firstTickTen,tickDistTen;
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tickDistTen=tickDist /10.0f;
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if(aVal > 0) firstTickTen = aVal - fmod(aVal,tickDistTen) + tickDistTen;
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else firstTickTen = aVal - fmod(aVal,tickDistTen);
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Point3d Zero = a-((b-a)/(bVal-aVal))*aVal;
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Point3d v(b-a);
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v.Normalize();
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glPointSize(3);
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float i;
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glBegin(GL_POINTS);
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for(i=firstTick;i<bVal;i+=tickDist)
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glVertex(Zero+v*i);
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glEnd();
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int neededZeros=ceil(max(0.0,-log10(tickDist)));
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for(i=firstTick;i<bVal;i+=tickDist)
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gla->renderText(Zero[0]+i*v[0],Zero[1]+i*v[1],Zero[2]+i*v[2],tr("%1").arg(i,3+neededZeros,'f',neededZeros),gla->getFont());
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glPointSize(1);
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glBegin(GL_POINTS);
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for(i=firstTickTen;i<=bVal;i+=tickDistTen)
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glVertex(Zero+v*i);
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glEnd();
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// Draws bigger ticks at 0 and at max size
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glPushAttrib(GL_POINT_BIT);
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glPointSize(6);
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glBegin(GL_POINTS);
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glVertex(a);
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glVertex(b);
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if(bVal*aVal<0) glVertex(Zero);
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glEnd();
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glPopAttrib();
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// bold font at beginning and at the end
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QFont qf = gla->getFont();
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qf.setBold(true);
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gla->renderText(a[0],a[1],a[2],tr("%1").arg(aVal,3+neededZeros,'f',neededZeros+2 ),qf);
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gla->renderText(b[0],b[1],b[2],tr("%1").arg(bVal,3+neededZeros,'f',neededZeros+2 ),qf);
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}
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float ExtraMeshDecoratePlugin::niceRound2(float Val,float base) {return powf(base,ceil(log10(Val)/log10(base)));}
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float ExtraMeshDecoratePlugin::niceRound(float val) {return powf(10.f,ceil(log10(val)));}
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void ExtraMeshDecoratePlugin::DrawBBoxCorner(MeshModel &m)
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{
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glPushAttrib(GL_ENABLE_BIT | GL_LINE_BIT | GL_POINT_BIT | GL_CURRENT_BIT | GL_LIGHTING_BIT | GL_COLOR_BUFFER_BIT );
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glDisable(GL_LIGHTING);
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glDisable(GL_TEXTURE_2D);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_LINE_SMOOTH);
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glLineWidth(1.0);
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glColor(Color4b::Cyan);
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Box3f b=m.cm.bbox;
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Point3f mi=b.min;
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Point3f ma=b.max;
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Point3f d3=(b.max-b.min)/4.0;
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Point3f zz(0,0,0);
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glBegin(GL_LINES);
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glVertex3f(mi[0],mi[1],mi[2]); glVertex3f(mi[0]+d3[0],mi[1]+zz[1],mi[2]+zz[2]);
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glVertex3f(mi[0],mi[1],mi[2]); glVertex3f(mi[0]+zz[0],mi[1]+d3[1],mi[2]+zz[2]);
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glVertex3f(mi[0],mi[1],mi[2]); glVertex3f(mi[0]+zz[0],mi[1]+zz[1],mi[2]+d3[2]);
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glVertex3f(ma[0],mi[1],mi[2]); glVertex3f(ma[0]-d3[0],mi[1]+zz[1],mi[2]+zz[2]);
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glVertex3f(ma[0],mi[1],mi[2]); glVertex3f(ma[0]+zz[0],mi[1]+d3[1],mi[2]+zz[2]);
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glVertex3f(ma[0],mi[1],mi[2]); glVertex3f(ma[0]+zz[0],mi[1]+zz[1],mi[2]+d3[2]);
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glVertex3f(mi[0],ma[1],mi[2]); glVertex3f(mi[0]+d3[0],ma[1]+zz[1],mi[2]+zz[2]);
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glVertex3f(mi[0],ma[1],mi[2]); glVertex3f(mi[0]+zz[0],ma[1]-d3[1],mi[2]+zz[2]);
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glVertex3f(mi[0],ma[1],mi[2]); glVertex3f(mi[0]+zz[0],ma[1]+zz[1],mi[2]+d3[2]);
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glVertex3f(ma[0],ma[1],mi[2]); glVertex3f(ma[0]-d3[0],ma[1]+zz[1],mi[2]+zz[2]);
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glVertex3f(ma[0],ma[1],mi[2]); glVertex3f(ma[0]+zz[0],ma[1]-d3[1],mi[2]+zz[2]);
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glVertex3f(ma[0],ma[1],mi[2]); glVertex3f(ma[0]+zz[0],ma[1]+zz[1],mi[2]+d3[2]);
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glVertex3f(mi[0],mi[1],ma[2]); glVertex3f(mi[0]+d3[0],mi[1]+zz[1],ma[2]+zz[2]);
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glVertex3f(mi[0],mi[1],ma[2]); glVertex3f(mi[0]+zz[0],mi[1]+d3[1],ma[2]+zz[2]);
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glVertex3f(mi[0],mi[1],ma[2]); glVertex3f(mi[0]+zz[0],mi[1]+zz[1],ma[2]-d3[2]);
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glVertex3f(ma[0],mi[1],ma[2]); glVertex3f(ma[0]-d3[0],mi[1]+zz[1],ma[2]+zz[2]);
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glVertex3f(ma[0],mi[1],ma[2]); glVertex3f(ma[0]+zz[0],mi[1]+d3[1],ma[2]+zz[2]);
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glVertex3f(ma[0],mi[1],ma[2]); glVertex3f(ma[0]+zz[0],mi[1]+zz[1],ma[2]-d3[2]);
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glVertex3f(mi[0],ma[1],ma[2]); glVertex3f(mi[0]+d3[0],ma[1]+zz[1],ma[2]+zz[2]);
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glVertex3f(mi[0],ma[1],ma[2]); glVertex3f(mi[0]+zz[0],ma[1]-d3[1],ma[2]+zz[2]);
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glVertex3f(mi[0],ma[1],ma[2]); glVertex3f(mi[0]+zz[0],ma[1]+zz[1],ma[2]-d3[2]);
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glVertex3f(ma[0],ma[1],ma[2]); glVertex3f(ma[0]-d3[0],ma[1]+zz[1],ma[2]+zz[2]);
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glVertex3f(ma[0],ma[1],ma[2]); glVertex3f(ma[0]+zz[0],ma[1]-d3[1],ma[2]+zz[2]);
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glVertex3f(ma[0],ma[1],ma[2]); glVertex3f(ma[0]+zz[0],ma[1]+zz[1],ma[2]-d3[2]);
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glEnd();
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glPopAttrib();
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}
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void ExtraMeshDecoratePlugin::DrawAxis(MeshModel &m,GLArea* gla)
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{
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float hw=m.cm.bbox.Diag()/2.0;
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glPushAttrib(GL_ENABLE_BIT | GL_LINE_BIT | GL_POINT_BIT | GL_CURRENT_BIT | GL_LIGHTING_BIT | GL_COLOR_BUFFER_BIT );
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glDisable(GL_LIGHTING);
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glDisable(GL_TEXTURE_2D);
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glEnable(GL_BLEND);
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_LINE_SMOOTH);
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glEnable(GL_POINT_SMOOTH);
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glLineWidth(2.0);
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glPointSize(3.f);
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// Get gl state values
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double mm[16],mp[16];
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int vp[4];
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glGetDoublev(GL_MODELVIEW_MATRIX,mm);
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glGetDoublev(GL_PROJECTION_MATRIX,mp);
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glGetIntegerv(GL_VIEWPORT,vp);
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Point3d a(hw,0,0);Point3d b(0,hw,0);Point3d c(0,0,hw);
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glBegin(GL_LINES);
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glColor(Color4b::Red); glVertex(-a);glVertex(a);
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glColor(Color4b::Green); glVertex(-b);glVertex(b);
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glColor(Color4b::Blue); glVertex(-c);glVertex(c);
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glEnd();
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glColor(Color4b::White);
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drawTickedLine(-a,a,2*hw,calcSlope(-a,a,2*hw,10,mm,mp,vp)); // Draws x axis
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drawTickedLine(-b,b,2*hw,calcSlope(-b,b,2*hw,10,mm,mp,vp)); // Draws y axis
|
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drawTickedLine(-c,c,2*hw,calcSlope(-c,c,2*hw,10,mm,mp,vp)); // Draws z axis
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|
|
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float sf = hw*0.02f; // scale factor hw / 50
|
|
glPushMatrix();
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glTranslate(a); glScalef(sf,sf,sf); Add_Ons::Cone(10,3,1,true);
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glPopMatrix();
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glPushMatrix();
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glTranslate(b); glRotatef(90,0,0,1); glScalef(sf,sf,sf); Add_Ons::Cone(10,3,1,true);
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glPopMatrix();
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glPushMatrix();
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glTranslate(c); glRotatef(-90,0,1,0); glScalef(sf,sf,sf); Add_Ons::Cone(10,3,1,true);
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glPopMatrix();
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|
|
|
QFont f(gla->getFont());
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f.setBold(true);
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glColor(Color4b::Red); gla->renderText(hw+(sf*3),0,0,QString("X"),f);
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glColor(Color4b::Green); gla->renderText(0,hw+(sf*3),0,QString("Y"),f);
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glColor(Color4b::Blue); gla->renderText(0,0,hw+(sf*3),QString("Z"),f);
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glPopAttrib();
|
|
}
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Q_EXPORT_PLUGIN(ExtraMeshDecoratePlugin)
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