vcglib/apps/sample/space_packer/space_packer.cpp

127 lines
5.7 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/space/box3.h>
#include<vcg/math/random_generator.h>
#include<wrap/qt/col_qt_convert.h>
#include <vcg/space/rect_packer.h>
#include <vcg/space/outline2_packer.h>
#include <vcg/space/rasterized_outline2_packer.h>
#include <vcg/complex/algorithms/outline_support.h>
#include <wrap/qt/Outline2ToQImage.h>
#include <wrap/qt/outline2_rasterizer.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);
}
}
int main( int argc, char **argv )
{
vector<Similarity2f> trVec;
vector<Similarity2f> trPolyVec;
vector< vector<Point2f> > outline2Vec;
vector< vector<Point2f> > multiPolySet;
Point2f finalSize;
std::vector<Point2f> finalSizeVec;
const Point2i containerSize(1024,1024);
Outline2Dumper::Param pp;
std::vector<int> contInd;
vector<Box2f> rectVec;
buildRandRectSet(10,rectVec);
// RectPacker<float>::Pack(rectVec,containerSize,trVec,finalSize);
RectPacker<float>::PackMulti(rectVec,containerSize,3,trVec,contInd,finalSizeVec);
RectPacker<float>::Stat s = RectPacker<float>::stat();
printf("RectPacker attempt %i time %5.3f %5.3f\n",s.pack_attempt_num,s.pack_total_time,s.pack_attempt_time);
// Outline2Dumper::rectSetToPolySet(rectVec,polySet);
// Outline2Dumper::multiRectSetToSinglePolySet(rectVec,trVec,contInd,0,polySet,trPolyVec);
// Outline2Dumper::dumpPolySetPNG("testpolyEq0.png",polySet,trPolyVec,pp);
// Outline2Dumper::multiRectSetToSinglePolySet(rectVec,trVec,contInd,1,polySet,trPolyVec);
// Outline2Dumper::dumpPolySetPNG("testpolyEq1.png",polySet,trPolyVec,pp);
// Outline2Dumper::multiRectSetToSinglePolySet(rectVec,trVec,contInd,2,polySet,trPolyVec);
// Outline2Dumper::dumpPolySetPNG("testpolyEq2.png",polySet,trPolyVec,pp);
// buildRandPolySet(100,polySet);
// PolyPacker<float>::PackMultiAsObjectOrientedRect(polySet,containerSize,3,trVec,contInd,finalSizeVec);
// Outline2Dumper::multiPolySetToSinglePolySet(polySet,trVec,contInd,0,multiPolySet,trPolyVec);
// Outline2Dumper::dumpPolySetPNG("testpolyEq0.png",multiPolySet,trPolyVec,pp);
// Outline2Dumper::multiPolySetToSinglePolySet(polySet,trVec,contInd,1,multiPolySet,trPolyVec);
// Outline2Dumper::dumpPolySetPNG("testpolyEq1.png",multiPolySet,trPolyVec,pp);
// Outline2Dumper::multiPolySetToSinglePolySet(polySet,trVec,contInd,2,multiPolySet,trPolyVec);
// Outline2Dumper::dumpPolySetPNG("testpolyEq2.png",multiPolySet,trPolyVec,pp);
// Outline2Dumper::dumpPolySetPNG("testpolyOO.png",polySet,trVec,pp);
vcg::tri::OutlineUtil<float>::BuildRandomOutlineVec(25,outline2Vec);
PolyPacker<float>::PackAsEqualSquares(outline2Vec,containerSize,trVec,finalSize);
Outline2Dumper::dumpOutline2VecPNG("testpolyEq.png",outline2Vec,trVec,pp);
PolyPacker<float>::PackAsAxisAlignedRect(outline2Vec,containerSize,trVec,finalSize);
Outline2Dumper::dumpOutline2VecPNG("testpolyAA.png",outline2Vec,trVec,pp);
PolyPacker<float>::PackAsObjectOrientedRect(outline2Vec,containerSize,trVec,finalSize);
Outline2Dumper::dumpOutline2VecPNG("testpolyOO.png",outline2Vec,trVec,pp);
RasterizedOutline2Packer<float, QtOutline2Rasterizer>::Parameters packingParam;
packingParam.costFunction = RasterizedOutline2Packer<float, QtOutline2Rasterizer>::Parameters::LowestHorizon;
packingParam.doubleHorizon = true;
packingParam.cellSize = 4;
packingParam.rotationNum = 16; //number of rasterizations in 90°
RasterizedOutline2Packer<float, QtOutline2Rasterizer>::Pack(outline2Vec,containerSize,trVec,packingParam);
Outline2Dumper::dumpOutline2VecPNG("testpolyRR.png",outline2Vec,trVec,pp);
return 0;
}