add vcglib
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yuanlin zhong committed
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@@ -0,0 +1,30 @@
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cmake_minimum_required(VERSION 3.13)
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project(space_packer)
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find_package(
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Qt5
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COMPONENTS OpenGL Svg)
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if (TARGET Qt5::OpenGL AND TARGET Qt5::Svg)
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if (VCG_HEADER_ONLY)
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set(SOURCES
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space_packer.cpp
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${VCG_INCLUDE_DIRS}/wrap/qt/Outline2ToQImage.cpp
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${VCG_INCLUDE_DIRS}/wrap/qt/outline2_rasterizer.cpp)
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endif()
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add_executable(space_packer
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${SOURCES})
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target_link_libraries(
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space_packer
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PUBLIC
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vcglib
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Qt5::OpenGL
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Qt5::Svg
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)
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else()
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message(
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STATUS "VCG examples - Skipping space_packer example")
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endif()
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@@ -0,0 +1,125 @@
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/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004-2009 \/)\/ *
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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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#include <QtOpenGL/QtOpenGL>
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#include<vcg/space/box2.h>
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#include<vcg/space/box3.h>
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#include<vcg/math/random_generator.h>
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#include<wrap/qt/col_qt_convert.h>
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#include <vcg/space/rect_packer.h>
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#include <vcg/space/outline2_packer.h>
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#include <vcg/space/rasterized_outline2_packer.h>
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#include <vcg/complex/algorithms/outline_support.h>
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#include <wrap/qt/Outline2ToQImage.h>
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#include <wrap/qt/outline2_rasterizer.h>
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#include <time.h>
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using namespace vcg;
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using namespace std;
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static void buildRandRectSet(int rectNum, vector<Box2f> &rectVec)
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{
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math::MarsenneTwisterRNG rnd;
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float exp=3.0f;
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float ratioMin=0.2;
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float ratioMax=0.9;
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float sizeMin=0.1;
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float sizeMax=1.0f;
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rnd.initialize(time(0));
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for(int i=0;i<rectNum;++i)
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{
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Box2f bb;
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float ratio=ratioMin+(ratioMax-ratioMin)*rnd.generate01();
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float size= sizeMin+(sizeMax-sizeMin)*pow((float)rnd.generate01(),exp);
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bb.min=Point2f(-size*ratio,-size);
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bb.max=Point2f( size*ratio, size);
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rectVec.push_back(bb);
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}
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}
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int main( int /*argc*/, char **/*argv*/ )
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{
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vector<Similarity2f> trVec;
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vector<Similarity2f> trPolyVec;
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vector< vector<Point2f> > outline2Vec;
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vector< vector<Point2f> > multiPolySet;
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Point2f finalSize;
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std::vector<Point2f> finalSizeVec;
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const Point2i containerSize(1024,1024);
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Outline2Dumper::Param pp;
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std::vector<int> contInd;
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vector<Box2f> rectVec;
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buildRandRectSet(10,rectVec);
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// RectPacker<float>::Pack(rectVec,containerSize,trVec,finalSize);
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RectPacker<float>::PackMulti(rectVec,containerSize,3,trVec,contInd,finalSizeVec);
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RectPacker<float>::Stat s = RectPacker<float>::stat();
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printf("RectPacker attempt %i time %5.3f %5.3f\n",s.pack_attempt_num,s.pack_total_time,s.pack_attempt_time);
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// Outline2Dumper::rectSetToPolySet(rectVec,polySet);
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// Outline2Dumper::multiRectSetToSinglePolySet(rectVec,trVec,contInd,0,polySet,trPolyVec);
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// Outline2Dumper::dumpPolySetPNG("testpolyEq0.png",polySet,trPolyVec,pp);
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// Outline2Dumper::multiRectSetToSinglePolySet(rectVec,trVec,contInd,1,polySet,trPolyVec);
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// Outline2Dumper::dumpPolySetPNG("testpolyEq1.png",polySet,trPolyVec,pp);
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// Outline2Dumper::multiRectSetToSinglePolySet(rectVec,trVec,contInd,2,polySet,trPolyVec);
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// Outline2Dumper::dumpPolySetPNG("testpolyEq2.png",polySet,trPolyVec,pp);
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// buildRandPolySet(100,polySet);
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// PolyPacker<float>::PackMultiAsObjectOrientedRect(polySet,containerSize,3,trVec,contInd,finalSizeVec);
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// Outline2Dumper::multiPolySetToSinglePolySet(polySet,trVec,contInd,0,multiPolySet,trPolyVec);
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// Outline2Dumper::dumpPolySetPNG("testpolyEq0.png",multiPolySet,trPolyVec,pp);
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// Outline2Dumper::multiPolySetToSinglePolySet(polySet,trVec,contInd,1,multiPolySet,trPolyVec);
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// Outline2Dumper::dumpPolySetPNG("testpolyEq1.png",multiPolySet,trPolyVec,pp);
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// Outline2Dumper::multiPolySetToSinglePolySet(polySet,trVec,contInd,2,multiPolySet,trPolyVec);
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// Outline2Dumper::dumpPolySetPNG("testpolyEq2.png",multiPolySet,trPolyVec,pp);
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// Outline2Dumper::dumpPolySetPNG("testpolyOO.png",polySet,trVec,pp);
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vcg::tri::OutlineUtil<float>::BuildRandomOutlineVec(25,outline2Vec);
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PolyPacker<float>::PackAsEqualSquares(outline2Vec,containerSize,trVec,finalSize);
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Outline2Dumper::dumpOutline2VecPNG("testpolyEq.png",outline2Vec,trVec,pp);
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PolyPacker<float>::PackAsAxisAlignedRect(outline2Vec,containerSize,trVec,finalSize);
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Outline2Dumper::dumpOutline2VecPNG("testpolyAA.png",outline2Vec,trVec,pp);
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PolyPacker<float>::PackAsObjectOrientedRect(outline2Vec,containerSize,trVec,finalSize);
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Outline2Dumper::dumpOutline2VecPNG("testpolyOO.png",outline2Vec,trVec,pp);
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RasterizedOutline2Packer<float, QtOutline2Rasterizer>::Parameters packingParam;
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packingParam.costFunction = RasterizedOutline2Packer<float, QtOutline2Rasterizer>::Parameters::LowestHorizon;
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packingParam.doubleHorizon = true;
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packingParam.rotationNum = 16; //number of rasterizations in 90°
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RasterizedOutline2Packer<float, QtOutline2Rasterizer>::Pack(outline2Vec,containerSize,trVec,packingParam);
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Outline2Dumper::dumpOutline2VecPNG("testpolyRR.png",outline2Vec,trVec,pp);
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return 0;
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}
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@@ -0,0 +1,6 @@
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include(../common.pri)
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TARGET = space_packer
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SOURCES += space_packer.cpp \
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../../../../vcglib/wrap/qt/Outline2ToQImage.cpp \
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../../../../vcglib/wrap/qt/outline2_rasterizer.cpp
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QT += opengl svg
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