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Restructured functions to dump set of polygons into images or svg files

This commit is contained in:
Paolo Cignoni 2012-01-30 15:22:42 +00:00
parent c90b11ca80
commit 95f9fff41f
2 changed files with 101 additions and 51 deletions
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119
wrap/qt/PolyToQImage.cpp
View File

@ -18,11 +18,10 @@ void rectSetToPolySet(vector< Box2f > &rectVec, vector< vector<Point2f> > &polyV
polyVec.back().push_back(Point2f(b.max[0],b.min[1]));
polyVec.back().push_back(b.max);
polyVec.back().push_back(Point2f(b.min[0],b.max[1]));
}
}
void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, int width, int height)
void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, PolyDumperParam &pp)
{
Box2f bb;
for(size_t i=0;i<polyVec.size();++i)
@ -30,55 +29,15 @@ void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, int
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;
sim.sca = min(float(pp.widthPx)/bb.DimX(),float(pp.heightPx)/bb.DimY());
sim.tra = Point2f(pp.widthPx/2.0f,pp.heightPx/2.0f)-bb.Center()*sim.sca;
vector<Similarity2f> trVec(polyVec.size(),sim);
dumpPolySet(imageName,polyVec,trVec,width,height);
dumpPolySet(imageName,polyVec,trVec,pp);
}
void 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);
img.fill(qRgb(128,128,128));
QSvgGenerator svg;
svg.setFileName(imageName);
QPainter painter;
if(QString(imageName).endsWith("svg",Qt::CaseInsensitive))
painter.begin(&svg);
else painter.begin(&img);
for(size_t i=0;i<polyVecVec.size();++i)
{
painter.resetTransform();
painter.translate(trVec[i].tra[0],trVec[i].tra[1]);
painter.rotate(math::ToDeg(trVec[i].rotRad));
painter.scale(trVec[i].sca,trVec[i].sca);
QVector<QPointF> ppQ;
for(int j=0;j<polyVecVec[i][0].size();++j)
{
Point2f pp=polyVecVec[i][0][j];
ppQ.push_back(QPointF(pp[0],pp[1]));
}
QBrush bb(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVecVec.size(),i)));
painter.setBrush(bb);
painter.drawPolygon(&*ppQ.begin(),ppQ.size(),Qt::OddEvenFill);
}
painter.end();
if(!QString(imageName).endsWith("svg",Qt::CaseInsensitive))
{
img = img.mirrored(false,true);
img.save(imageName);
}
}
void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, vector<Similarity2f> &trVec, int width, int height)
void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, vector<Similarity2f> &trVec, PolyDumperParam &pp)
{
vector< vector< vector<Point2f> > > polyVecVec(polyVec.size());
for(size_t i=0;i<polyVec.size();++i)
@ -86,6 +45,72 @@ void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, vec
polyVecVec[i].resize(1);
polyVecVec[i][0]=polyVec[i];
}
dumpPolySet(imageName,polyVecVec,trVec,width,height);
vector<string> labelVec(polyVec.size());
dumpPolySet(imageName,polyVecVec,trVec,labelVec,pp);
}
void dumpPolySet(const char * imageName, vector< vector< vector<Point2f> > > &polyVecVec, vector<Similarity2f> &trVec, vector<string> &labelVec, PolyDumperParam &pp)
{
assert(polyVecVec.size() == trVec.size());
QFont qf("courier",1);
QSvgGenerator svg;
svg.setFileName(imageName);
// pp.widthPx = pp.widthDot;
// pp.heightPx = pp.heightDot;
svg.setSize(QSize(pp.widthMm,pp.heightMm));
svg.setResolution(pp.dpi); // ?? dpm or dpi
QImage img(pp.widthPx,pp.heightPx,QImage::Format_RGB32);
img.fill(vcg::ColorConverter::ToQColor( pp.backgroundColor).rgb());
QPainter painter;
if(QString(imageName).endsWith("svg",Qt::CaseInsensitive))
painter.begin(&svg);
else painter.begin(&img);
QBrush bb;
QPen qp;
qp.setWidth(0);
// printf("polyVecVec.size() = %i \n",polyVecVec.size());
for(size_t i=0;i<polyVecVec.size();++i)
{
painter.resetTransform();
painter.translate(trVec[i].tra[0],trVec[i].tra[1]);
painter.rotate(math::ToDeg(trVec[i].rotRad));
painter.scale(trVec[i].sca,trVec[i].sca);
QPainterPath QPP;
Point2f bc(0.f,0.f);
// printf("polyVecVec[i].size() = %i \n",polyVecVec[i].size());
for(int jj=0;jj<polyVecVec[i].size();++jj)
{
QVector<QPointF> ppQ;
for(int j=0;j<polyVecVec[i][jj].size();++j)
{
Point2f pp=polyVecVec[i][jj][j];
bc+=pp;
ppQ.push_back(QPointF(pp[0],pp[1]));
}
ppQ.push_back(QPointF(polyVecVec[i][jj][0][0],polyVecVec[i][jj][0][1]));
QPP.addPolygon(QPolygonF(ppQ));
}
bc/=float(polyVecVec[i][0].size());
bb.setColor(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVecVec.size(),i)));
painter.setBrush(bb);
painter.setPen(qp);
painter.drawPath(QPP);
// painter.setFont(qf);
// painter.drawText(bc[0],bc[1],QString(labelVec[i].c_str()));
}
painter.end();
// if(!QString(imageName).endsWith("svg",Qt::CaseInsensitive))
{
img = img.mirrored(false,true);
img.save(imageName);
}
}

33
wrap/qt/PolyToQImage.h
View File

@ -1,11 +1,36 @@
#ifndef POLYTOQIMAGE_H
#define POLYTOQIMAGE_H
#include <vcg/space/point2.h>
#include <vcg/space/color4.h>
#include <vcg/space/box2.h>
#include <vcg/math/similarity2.h>
void dumpPolySet(const char * imageName, std::vector< std::vector< std::vector<vcg::Point2f> > > &polyVecVec, std::vector<vcg::Similarity2f> &trVec, int width, int height);
void dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, std::vector<vcg::Similarity2f> &trVec, int width=1024,int height=1024);
void dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, int width=1024,int height=1024);
void rectSetToPolySet(std::vector< vcg::Box2f > &rectVec, std::vector< std::vector<vcg::Point2f> > &polyVec);
class PolyDumperParam
{
public:
vcg::Color4b backgroundColor;
int widthPx;
int heightPx;
int widthMm;
int heightMm;
int dpi;
bool useDPI;
PolyDumperParam()
{
backgroundColor = vcg::Color4b::Gray;
widthPx=1024;
heightPx=1024;
dpi=72;
widthMm = 100;
heightMm = 100;
useDPI=false;
}
};
void dumpPolySet(const char * imageName, std::vector< std::vector< std::vector<vcg::Point2f> > > &polyVecVec, std::vector<vcg::Similarity2f> &trVec, std::vector<std::string> &labelVec, PolyDumperParam &pp);
void dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, std::vector<vcg::Similarity2f> &trVec, PolyDumperParam &pp);
void dumpPolySet(const char * imageName, std::vector< std::vector<vcg::Point2f> > &polyVec, PolyDumperParam &pp);
void rectSetToPolySet(std::vector< vcg::Box2f > &rectVec, std::vector< std::vector<vcg::Point2f> > &polyVec);
#endif // POLYTOQIMAGE_H