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Small changes to the utility function to save a bunch of 2 polygons onto a bitmap.

This commit is contained in:
Paolo Cignoni 2011-11-15 11:01:53 +00:00
parent b338a57f67
commit e5842d71d8
2 changed files with 37 additions and 7 deletions
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39
wrap/qt/PolyToQImage.cpp
View File

@ -6,24 +6,40 @@
using namespace vcg; using namespace vcg;
using namespace std; using namespace std;
int dumpPolySet(const char * imageName,vector< vector<Point2f> > &polyVec, vector<Similarity2f> &trVec, int width, int height) int dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, int width, int height)
{ {
Box2f bb;
for(size_t i=0;i<polyVec.size();++i)
for(int j=0;j<polyVec[i].size();++j)
bb.Add(polyVec[i][j]);
Similarity2f sim;
sim.sca = min(float(width)/bb.DimX(),float(height)/bb.DimY());
sim.tra = Point2f(width/2.0f,height/2.0f)-bb.Center()*sim.sca;
vector<Similarity2f> trVec(polyVec.size(),sim);
return dumpPolySet(imageName,polyVec,trVec,width,height);
}
int dumpPolySet(const char * imageName, vector< vector< vector<Point2f> > > &polyVecVec, vector<Similarity2f> &trVec, int width, int height)
{
assert(polyVecVec.size() == trVec.size());
QImage img(width,height,QImage::Format_RGB32); QImage img(width,height,QImage::Format_RGB32);
img.fill(qRgb(128,128,128)); img.fill(qRgb(128,128,128));
QPainter painter(&img); // paint in picture QPainter painter(&img); // paint in picture
for(size_t i=0;i<polyVec.size();++i) for(size_t i=0;i<polyVecVec.size();++i)
{ {
QVector<QPointF> ppQ; QVector<QPointF> ppQ;
for(int j=0;j<polyVec[i].size();++j) for(int j=0;j<polyVecVec[i][0].size();++j)
{ {
Point2f pp=trVec[i]*polyVec[i][j]; Point2f pp=trVec[i]*polyVecVec[i][0][j];
ppQ.push_back(QPointF(pp[0],pp[1])); ppQ.push_back(QPointF(pp[0],pp[1]));
} }
QBrush bb(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVec.size(),i))); QBrush bb(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVecVec.size(),i)));
painter.setBrush(bb); painter.setBrush(bb);
painter.drawPolygon(&*ppQ.begin(),ppQ.size(),Qt::OddEvenFill); painter.drawPolygon(&*ppQ.begin(),ppQ.size(),Qt::OddEvenFill);
} }
painter.end(); painter.end();
img = img.mirrored(false,true); img = img.mirrored(false,true);
@ -37,3 +53,14 @@ int dumpPolySet(const char * imageName,vector< vector<Point2f> > &polyVec, vecto
return emptyCnt; return emptyCnt;
} }
int dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, vector<Similarity2f> &trVec, int width, int height)
{
vector< vector< vector<Point2f> > > polyVecVec(polyVec.size());
for(size_t i=0;i<polyVec.size();++i)
{
polyVecVec[i].resize(1);
polyVecVec[i][0]=polyVec[i];
}
dumpPolySet(imageName,polyVecVec,trVec,width,height);
}

5
wrap/qt/PolyToQImage.h
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@ -1,8 +1,11 @@
#ifndef POLYTOQIMAGE_H #ifndef POLYTOQIMAGE_H
#define POLYTOQIMAGE_H #define POLYTOQIMAGE_H
#include <vcg/space/point2.h> #include <vcg/space/point2.h>
#include <vcg/space/box2.h>
#include <vcg/math/similarity2.h> #include <vcg/math/similarity2.h>
int dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, std::vector<vcg::Similarity2f> &trVec,int width=1024,int height=1024); int dumpPolySet(const char * imageName, std::vector< std::vector< std::vector<vcg::Point2f> > > &polyVecVec, std::vector<vcg::Similarity2f> &trVec, int width, int height);
int dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, std::vector<vcg::Similarity2f> &trVec, int width=1024,int height=1024);
int dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, int width=1024,int height=1024);
#endif // POLYTOQIMAGE_H #endif // POLYTOQIMAGE_H