117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
#include <QImage>
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#include <QSvgGenerator>
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#include <QPainter>
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#include "PolyToQImage.h"
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#include <wrap/qt/col_qt_convert.h>
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using namespace vcg;
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using namespace std;
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void rectSetToPolySet(vector< Box2f > &rectVec, vector< vector<Point2f> > &polyVec)
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{
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polyVec.clear();
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for(size_t i=0;i<rectVec.size();++i)
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{
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Box2f &b=rectVec[i];
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polyVec.resize(polyVec.size()+1);
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polyVec.back().push_back(b.min);
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polyVec.back().push_back(Point2f(b.max[0],b.min[1]));
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polyVec.back().push_back(b.max);
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polyVec.back().push_back(Point2f(b.min[0],b.max[1]));
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}
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}
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void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, PolyDumperParam &pp)
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{
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Box2f bb;
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for(size_t i=0;i<polyVec.size();++i)
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for(int j=0;j<polyVec[i].size();++j)
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bb.Add(polyVec[i][j]);
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Similarity2f sim;
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sim.sca = min(float(pp.widthPx)/bb.DimX(),float(pp.heightPx)/bb.DimY());
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sim.tra = Point2f(pp.widthPx/2.0f,pp.heightPx/2.0f)-bb.Center()*sim.sca;
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vector<Similarity2f> trVec(polyVec.size(),sim);
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dumpPolySet(imageName,polyVec,trVec,pp);
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}
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void dumpPolySet(const char * imageName, vector< vector<Point2f> > &polyVec, vector<Similarity2f> &trVec, PolyDumperParam &pp)
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{
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vector< vector< vector<Point2f> > > polyVecVec(polyVec.size());
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for(size_t i=0;i<polyVec.size();++i)
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{
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polyVecVec[i].resize(1);
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polyVecVec[i][0]=polyVec[i];
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}
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vector<string> labelVec(polyVec.size());
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dumpPolySet(imageName,polyVecVec,trVec,labelVec,pp);
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}
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void dumpPolySet(const char * imageName, vector< vector< vector<Point2f> > > &polyVecVec, vector<Similarity2f> &trVec, vector<string> &labelVec, PolyDumperParam &pp)
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{
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assert(polyVecVec.size() == trVec.size());
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QFont qf("courier",1);
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QSvgGenerator svg;
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svg.setFileName(imageName);
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// pp.widthPx = pp.widthDot;
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// pp.heightPx = pp.heightDot;
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svg.setSize(QSize(pp.widthMm,pp.heightMm));
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svg.setResolution(pp.dpi); // ?? dpm or dpi
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QImage img(pp.widthPx,pp.heightPx,QImage::Format_RGB32);
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img.fill(vcg::ColorConverter::ToQColor( pp.backgroundColor).rgb());
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QPainter painter;
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if(QString(imageName).endsWith("svg",Qt::CaseInsensitive))
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painter.begin(&svg);
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else painter.begin(&img);
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QBrush bb;
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QPen qp;
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qp.setWidth(0);
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// printf("polyVecVec.size() = %i \n",polyVecVec.size());
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for(size_t i=0;i<polyVecVec.size();++i)
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{
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painter.resetTransform();
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painter.translate(trVec[i].tra[0],trVec[i].tra[1]);
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painter.rotate(math::ToDeg(trVec[i].rotRad));
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painter.scale(trVec[i].sca,trVec[i].sca);
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QPainterPath QPP;
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Point2f bc(0.f,0.f);
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// printf("polyVecVec[i].size() = %i \n",polyVecVec[i].size());
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for(int jj=0;jj<polyVecVec[i].size();++jj)
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{
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QVector<QPointF> ppQ;
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for(int j=0;j<polyVecVec[i][jj].size();++j)
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{
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Point2f pp=polyVecVec[i][jj][j];
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bc+=pp;
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ppQ.push_back(QPointF(pp[0],pp[1]));
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}
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ppQ.push_back(QPointF(polyVecVec[i][jj][0][0],polyVecVec[i][jj][0][1]));
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QPP.addPolygon(QPolygonF(ppQ));
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}
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bc/=float(polyVecVec[i][0].size());
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bb.setColor(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVecVec.size(),i)));
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painter.setBrush(bb);
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painter.setPen(qp);
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painter.drawPath(QPP);
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// painter.setFont(qf);
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// painter.drawText(bc[0],bc[1],QString(labelVec[i].c_str()));
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}
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painter.end();
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// if(!QString(imageName).endsWith("svg",Qt::CaseInsensitive))
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{
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img = img.mirrored(false,true);
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img.save(imageName);
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}
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}
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