vcglib/apps/sample/space_packer/space_packer.cpp

129 lines
4.9 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004-2009 \/)\/ *
* 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 <QtOpenGL/QtOpenGL>
#include<vcg/space/box2.h>
#include<vcg/math/random_generator.h>
#include<wrap/qt/col_qt_convert.h>
#include <vcg/space/rect_packer.h>
#include <vcg/space/poly_packer.h>
#include <wrap/qt/PolyToQImage.h>
#include <time.h>
using namespace vcg;
using namespace std;
static void buildRandRectSet(int rectNum, vector<Box2f> &rectVec)
{
math::MarsenneTwisterRNG rnd;
float exp=3.0f;
float ratioMin=0.2;
float ratioMax=0.9;
float sizeMin=0.1;
float sizeMax=1.0f;
rnd.initialize(time(0));
for(int i=0;i<rectNum;++i)
{
Box2f bb;
float ratio=ratioMin+(ratioMax-ratioMin)*rnd.generate01();
float size= sizeMin+(sizeMax-sizeMin)*pow((float)rnd.generate01(),exp);
bb.min=Point2f(-size*ratio,-size);
bb.max=Point2f( size*ratio, size);
rectVec.push_back(bb);
}
}
void buildRandRectSetOld(int rectNum, vector<Box2f> &rectVec)
{
math::MarsenneTwisterRNG rnd;
float exp=5.0f;
rnd.initialize(time(0));
for(int i=0;i<rectNum;++i)
{
Box2f bb;
bb.min=Point2f(-pow((float)rnd.generate01(),exp),-pow((float)rnd.generate01(),exp));
bb.max=Point2f( pow((float)rnd.generate01(),exp), pow((float)rnd.generate01(),exp));
rectVec.push_back(bb);
}
}
void buildRandPolySet(int polyNum, vector< vector<Point2f> > &polyVec)
{
vcg::math::MarsenneTwisterRNG rnd;
rnd.initialize(time(0));
for(int i=0;i<polyNum;++i)
{
vector<Point2f> poly;
for(int j=0;j<10;j++)
poly.push_back(Point2f(0.5+0.5*rnd.generate01(),2.0f*M_PI*rnd.generate01()));
std::sort(poly.begin(),poly.end());
float ratio = rnd.generateRange(0.2,0.9);
float rot = rnd.generateRange(-M_PI,M_PI);
float scale = pow(rnd.generateRange(0.3,0.9),1);
for(size_t j=0;j<poly.size();j++)
{
poly[j].Polar2Cartesian();
poly[j][1]*=ratio;
poly[j] *= scale;
poly[j].Cartesian2Polar();
poly[j][1]+=rot;
poly[j].Polar2Cartesian();
}
polyVec.push_back(poly);
}
}
int main( int argc, char **argv )
{
QApplication pippo(argc,argv);
vector<Box2f> rectVec;
buildRandRectSet(1000, rectVec);
vector<Similarity2f> trVec;
vector< vector<Point2f> > polySet;
Point2f finalSize;
buildRandPolySet(100,polySet);
PolyDumperParam pp;
/* PolyPacker<float>::PackAsEqualSquares(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
dumpPolySet("testpolyEq.png",polySet,trVec,pp);
PolyPacker<float>::PackAsAxisAlignedRect(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
dumpPolySet("testpolyAA.png",polySet,trVec,pp);
PolyPacker<float>::PackAsObjectOrientedRect(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
dumpPolySet("testpolyOO.png",polySet,trVec,pp);*/
//PolyPacker<float>::PackAsAxisAlignedRect(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
PolyPacker<float>::PackAsObjectOrientedRect(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
//dumpPolySetPNG("testpolyEq.png",polySet,trVec,pp);
PolyDumper::dumpPolySetSVG("testpolyEq.svg",polySet,trVec,pp);
/*PolyPacker<float>::PackAsAxisAlignedRect(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
dumpPolySetSVG("testpolyAA.svg",polySet,trVec,pp);
PolyPacker<float>::PackAsObjectOrientedRect(polySet,Point2f(1024.0f,1024.0f),trVec,finalSize);
dumpPolySetSVG("testpolyOO.svg",polySet,trVec,pp);*/
return 0;
}