409 lines
12 KiB
C++
409 lines
12 KiB
C++
|
|
|
|
#include "PolyToQImage.h"
|
|
#include <wrap/qt/col_qt_convert.h>
|
|
using namespace vcg;
|
|
using namespace std;
|
|
|
|
void PolyDumper::rectSetToPolySet(vector< Box2f > &rectVec, vector< vector<Point2f> > &polyVec)
|
|
{
|
|
polyVec.clear();
|
|
for(size_t i=0;i<rectVec.size();++i)
|
|
{
|
|
Box2f &b=rectVec[i];
|
|
polyVec.resize(polyVec.size()+1);
|
|
polyVec.back().push_back(b.min);
|
|
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 PolyDumper::dumpPolySetSVG(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)
|
|
{
|
|
polyVecVec[i].resize(1);
|
|
polyVecVec[i][0]=polyVec[i];
|
|
}
|
|
dumpPolySetSVG(imageName,polyVecVec,trVec,pp);
|
|
}
|
|
|
|
void PolyDumper::dumpPolySetPNG(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)
|
|
{
|
|
polyVecVec[i].resize(1);
|
|
polyVecVec[i][0]=polyVec[i];
|
|
}
|
|
dumpPolySetPNG(imageName,polyVecVec,trVec,pp);
|
|
}
|
|
|
|
void PolyDumper::dumpPolySetPNG(const char * imageName, vector< vector< vector<Point2f> > > &polyVecVec, vector<Similarity2f> &trVec, PolyDumperParam &pp)
|
|
{
|
|
vector<string> labelVec(polyVecVec.size());
|
|
dumpPolySetPNG(imageName,polyVecVec,trVec,labelVec,pp);
|
|
}
|
|
|
|
void PolyDumper::dumpPolySetSVG(const char * imageName, vector< vector< vector<Point2f> > > &polyVecVec, vector<Similarity2f> &trVec, PolyDumperParam &pp)
|
|
{
|
|
vector<string> labelVec(polyVecVec.size());
|
|
dumpPolySetSVG(imageName,polyVecVec,trVec,labelVec,pp);
|
|
}
|
|
|
|
///this class draw a black mask fora given polygon, cenetered and scaled to fit with
|
|
///the image size, it return the transformation to tranform back the polygon to 2D space
|
|
void PolyDumper::DrawPolygonMask(const vector< vector<Point2f> > &polyVec,
|
|
QImage &img,
|
|
Similarity2f &ret,
|
|
const Similarity2f &trans)
|
|
{
|
|
|
|
///RASTERIZE THE POLYGON
|
|
QPainter painter;
|
|
painter.begin(&img);
|
|
QBrush bb;
|
|
bb.setStyle(Qt::SolidPattern);
|
|
|
|
int resolution=img.width();
|
|
|
|
QPen qp;
|
|
qp.setWidthF(0);
|
|
///find the BB
|
|
vcg::Box2f bbox;
|
|
for(size_t i=0;i<polyVec.size();++i)
|
|
for(size_t j=0;j<polyVec[i].size();++j)
|
|
{
|
|
Point2f pp=polyVec[i][j];
|
|
pp.Rotate(trans.rotRad);
|
|
bbox.Add(pp);
|
|
}
|
|
vcg::Point2f pos=bbox.Center();
|
|
float scaleFact=(resolution/bbox.Diag());
|
|
|
|
///SET THE TRANSFORMATION TO CENTER WRT BBOX
|
|
painter.resetTransform();
|
|
painter.translate(resolution/2,resolution/2);
|
|
painter.rotate(math::ToDeg(trans.rotRad));
|
|
painter.scale(scaleFact,scaleFact);
|
|
painter.translate(-pos.V(0),-pos.V(1));
|
|
|
|
///SET TO RETURN BACK
|
|
ret.rotRad=0;
|
|
ret.sca=scaleFact;
|
|
ret.tra[0]=-pos.V(0)*scaleFact + resolution/2;
|
|
ret.tra[1]=-pos.V(1)*scaleFact + resolution/2;
|
|
|
|
///DRAW THE POLYGON
|
|
QPainterPath QPP;
|
|
for(size_t i=0;i<polyVec.size();++i)
|
|
{
|
|
QVector<QPointF> ppQ;
|
|
for(size_t j=0;j<polyVec[i].size();++j)
|
|
{
|
|
Point2f pp=polyVec[i][j];
|
|
//pp.Rotate(trans.rotRad);
|
|
ppQ.push_back(QPointF(pp[0],pp[1]));
|
|
}
|
|
ppQ.push_back(QPointF(polyVec[i][0][0],polyVec[i][0][1]));
|
|
QPP.addPolygon(QPolygonF(ppQ));
|
|
}
|
|
|
|
painter.setBrush(bb);
|
|
painter.setPen(qp);
|
|
painter.drawPath(QPP);
|
|
painter.end();
|
|
//img.save("test.png");
|
|
}
|
|
|
|
///return the max radius of a point inside a polygon ,given the mask image
|
|
///actually it evaluate the maximum bounding box
|
|
int PolyDumper::getMaxMaskRadius(int x,int y,QImage &img)
|
|
{
|
|
int sizeY=img.size().height();
|
|
int sizeX=img.size().width();
|
|
int Max_radiusX=std::min(abs(x-sizeX),x);
|
|
int Max_radiusY=std::min(abs(y-sizeY),y);
|
|
int Max_radius=std::min(Max_radiusX,Max_radiusY);
|
|
int val=qGray(img.pixel(x,y));
|
|
///if is outside
|
|
assert(val!=255);
|
|
|
|
int curr_radius=1;
|
|
while (curr_radius<Max_radius)
|
|
{
|
|
vcg::Box2i currBB=vcg::Box2i(vcg::Point2i(x,y),vcg::Point2i(x,y));
|
|
vcg::Box2i InsideBB=currBB;
|
|
currBB.Offset(curr_radius);
|
|
InsideBB.Offset(curr_radius-1);
|
|
|
|
///check on borders
|
|
for (int x0=currBB.min.X();x0<=currBB.max.X();x0++)
|
|
for (int y0=currBB.min.Y();y0<=currBB.max.Y();y0++)
|
|
{
|
|
if (InsideBB.IsIn(vcg::Point2i(x0,y0)))continue;
|
|
int val=qGray(img.pixel(x0,y0));
|
|
///if is outside
|
|
if (val==255)
|
|
return curr_radius;
|
|
}
|
|
curr_radius++;
|
|
}
|
|
return curr_radius;
|
|
}
|
|
|
|
///return the point inside the polygon with the bigger distance to the border,
|
|
///this is used to write labels within the polygon, it handle polygons with holes too
|
|
vcg::Point2f PolyDumper::GetIncenter(const vector< vector<Point2f> > &polyVec,
|
|
const Similarity2f &tra1,
|
|
int &radius,
|
|
int resolution)
|
|
{
|
|
///INITIALIZE THE IMAGE
|
|
QImage img(resolution,resolution,QImage::Format_RGB32);
|
|
img.fill(vcg::ColorConverter::ToQColor(vcg::Color4b(255,255,255,255)).rgb());
|
|
Similarity2f tra0;
|
|
///DRAW THE MASK
|
|
DrawPolygonMask(polyVec,img,tra0,tra1);
|
|
//img = img.mirrored(false,true);
|
|
|
|
///THEN FIND THE CENTROID
|
|
float Maxradius=-1;
|
|
int sizeY=img.size().height();
|
|
int sizeX=img.size().width();
|
|
vcg::Point2i incenter=vcg::Point2i(sizeX/2,sizeY/2);
|
|
///THEN GO OVER ALL VERTICES
|
|
for (int x=0;x<sizeX;x++)
|
|
for (int y=0;y<sizeY;y++)
|
|
{
|
|
///flipped because of
|
|
///same artifacts of Mquads
|
|
int val=qGray(img.pixel(x,y));
|
|
///if is outside
|
|
if (val==255)continue;
|
|
int curr_radius=getMaxMaskRadius(x,y,img);
|
|
if (curr_radius>Maxradius)
|
|
{
|
|
Maxradius=curr_radius;
|
|
incenter=vcg::Point2i(x,y);
|
|
}
|
|
}
|
|
|
|
vcg::Point2f incenterf;
|
|
incenterf.Import(incenter);
|
|
// /FIRST TRASNFORMATION
|
|
// QPainter painter;
|
|
// painter.begin(&img);
|
|
// //painter.fillRect(incenter.V(0)-Maxradius,incenter.V(1)-Maxradius,Maxradius*2,Maxradius*2,Qt::red);
|
|
//// painter.fillRect(incenter.V(0)-1,incenter.V(1)-1,2,2,Qt::red);
|
|
// //painter.drawPoint(incenter.V(0),incenter.V(1));
|
|
// painter.end();
|
|
// static int num=0;
|
|
// num++;
|
|
// char path[100];
|
|
// sprintf(path,"mask%d.png",num);
|
|
// img.save(path);
|
|
|
|
|
|
incenterf.X()-=tra0.tra[0];
|
|
incenterf.Y()-=tra0.tra[1];
|
|
incenterf*=1.0/tra0.sca;
|
|
incenterf*=tra1.sca;
|
|
|
|
///SECOND TRANSFORMATION
|
|
assert(Maxradius>0);
|
|
radius=Maxradius;
|
|
return incenterf;
|
|
}
|
|
|
|
|
|
///write a polygon on a PNG file, format of the polygon is vector of vector of contours...nested contours are holes
|
|
///takes the name of the image in input, the set of polygons, the set of per polygons transformation,
|
|
///the label to be written and the global parameter for drawing style
|
|
void PolyDumper::dumpPolySetPNG(const char * imageName,
|
|
vector< vector< vector<Point2f> > > &polyVecVec,
|
|
vector<Similarity2f> &trVec,
|
|
vector<string> &labelVec,
|
|
PolyDumperParam &pp)
|
|
{
|
|
///SET THE FONT
|
|
assert(polyVecVec.size() == trVec.size());
|
|
int fontSize=ceil(std::max(pp.width,pp.height)/100.0);
|
|
QFont qf("courier",fontSize);
|
|
|
|
///SET THE DRAWING SIZE
|
|
QImage img(pp.width,pp.height,QImage::Format_RGB32);
|
|
img.fill(vcg::ColorConverter::ToQColor( pp.backgroundColor).rgb());
|
|
|
|
///SETUP OF DRAWING PROCEDURE
|
|
QPainter painter;
|
|
painter.begin(&img);
|
|
QBrush bb;
|
|
if (pp.fill)
|
|
bb.setStyle(Qt::SolidPattern);
|
|
QPen qp;
|
|
qp.setWidthF(0);
|
|
|
|
for(size_t i=0;i<polyVecVec.size();++i)
|
|
{
|
|
///SET THE CURRENT TRANSFORMATION
|
|
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;
|
|
|
|
for(size_t jj=0;jj<polyVecVec[i].size();++jj)
|
|
{
|
|
QVector<QPointF> ppQ;
|
|
for(size_t j=0;j<polyVecVec[i][jj].size();++j)
|
|
{
|
|
Point2f pp=polyVecVec[i][jj][j];
|
|
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));
|
|
}
|
|
///FIND THE BARYCENTER
|
|
int radius;
|
|
Point2f bc;
|
|
bc=GetIncenter(polyVecVec[i],trVec[i],radius,100);
|
|
|
|
if (pp.randomColor)
|
|
bb.setColor(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVecVec.size(),i)));
|
|
else
|
|
bb.setColor(vcg::ColorConverter::ToQColor(pp.FillColor));
|
|
|
|
painter.setBrush(bb);
|
|
painter.setPen(qp);
|
|
painter.drawPath(QPP);
|
|
|
|
///DRAW THE TEXT
|
|
painter.setFont(qf);
|
|
painter.resetTransform();
|
|
painter.translate(trVec[i].tra[0],trVec[i].tra[1]);
|
|
|
|
painter.drawText(bc[0]-radius,bc[1]-radius,radius*2,radius*2,Qt::AlignHCenter|Qt::AlignCenter,QString(labelVec[i].c_str()));
|
|
}
|
|
painter.end();
|
|
img.save(imageName);
|
|
}
|
|
|
|
|
|
///write a polygon on a SVG file, format of the polygon is vector of vector of contours...nested contours are holes
|
|
///takes the name of the image in input, the set of polygons, the set of per polygons transformation,
|
|
///the label to be written and the global parameter for drawing style
|
|
void PolyDumper::dumpPolySetSVG(const char * imageName,
|
|
vector< vector< vector<Point2f> > > &polyVecVec,
|
|
vector<Similarity2f> &trVec,
|
|
vector< vector< string> > &labelVecVec,
|
|
vector<vector<Point2f> > &labelPosVecVec,
|
|
vector<vector<float> >&labelRadVecVec,
|
|
PolyDumperParam &pp)
|
|
{
|
|
assert(polyVecVec.size() == trVec.size());
|
|
|
|
|
|
///SET THE FONT
|
|
int fontSize;
|
|
if(pp.fontSize==0) fontSize=ceil(std::max(pp.width,pp.height)/200.0);
|
|
else fontSize=pp.fontSize;
|
|
QFont qf("courier",fontSize);
|
|
QSvgGenerator svg;
|
|
svg.setFileName(imageName);
|
|
|
|
///SET THE DRAWING SIZE
|
|
svg.setSize(QSize(pp.width,pp.height));
|
|
svg.setViewBox(QRect(0, 0, pp.width,pp.height));
|
|
svg.setResolution(int(pp.dpi));//
|
|
|
|
///SETUP OF DRAWING PROCEDURE
|
|
QPainter painter;
|
|
painter.begin(&svg);
|
|
QBrush bb;
|
|
if (pp.fill)
|
|
bb.setStyle(Qt::SolidPattern);
|
|
|
|
QPen qp;
|
|
|
|
///SET THE GLOBAL SCALING FACTOR
|
|
float Scalesvg=1.f/(float)trVec[0].sca;
|
|
qp.setWidthF(Scalesvg);
|
|
for(size_t i=0;i<polyVecVec.size();++i)
|
|
{
|
|
///SET THE CURRENT TRANSFORMATION
|
|
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;
|
|
|
|
for(size_t jj=0;jj<polyVecVec[i].size();++jj)
|
|
{
|
|
QVector<QPointF> ppQ;
|
|
for(size_t j=0;j<polyVecVec[i][jj].size();++j)
|
|
{
|
|
Point2f pp=polyVecVec[i][jj][j];
|
|
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));
|
|
}
|
|
///FIND THE INCENTER
|
|
|
|
if (pp.randomColor)
|
|
bb.setColor(vcg::ColorConverter::ToQColor(Color4b::Scatter(polyVecVec.size(),i)));
|
|
else
|
|
bb.setColor(vcg::ColorConverter::ToQColor(pp.FillColor));
|
|
|
|
///DRAW THE POLYGON
|
|
painter.setBrush(bb);
|
|
painter.setPen(qp);
|
|
painter.drawPath(QPP);
|
|
|
|
///DRAW THE TEXT
|
|
painter.setFont(qf);
|
|
float radius;
|
|
int radiusInt;
|
|
Point2f bc;
|
|
// if we do not have labelPos use the old method of empty disk.
|
|
if(labelPosVecVec.empty()) bc=GetIncenter(polyVecVec[i],trVec[i],radiusInt);
|
|
radius = radiusInt;
|
|
for(size_t labelInd=0;labelInd<labelVecVec[i].size();++labelInd)
|
|
{
|
|
if(!labelPosVecVec.empty())
|
|
{
|
|
bc= labelPosVecVec[i][labelInd];
|
|
bc.Rotate(trVec[i].rotRad);
|
|
bc *= trVec[i].sca;
|
|
radius=labelRadVecVec[i][labelInd];
|
|
radius *= trVec[i].sca;
|
|
}
|
|
painter.resetTransform();
|
|
painter.translate(trVec[i].tra[0],trVec[i].tra[1]);
|
|
painter.drawText(bc[0]-radius,bc[1]-radius,radius*2,radius*2,Qt::AlignHCenter|Qt::AlignCenter,QString(labelVecVec[i][labelInd].c_str()));
|
|
}
|
|
}
|
|
painter.end();
|
|
}
|
|
|
|
void PolyDumper::dumpPolySetSVG(const char * imageName,
|
|
vector< vector< vector<Point2f> > > &polyVecVec,
|
|
vector<Similarity2f> &trVec,
|
|
vector< string > &labelVec,
|
|
PolyDumperParam &pp)
|
|
{
|
|
vector< vector< string> > labelVecVec(labelVec.size());
|
|
vector< vector<Point2f> > labelPosVec;
|
|
vector< vector<float> >labelRadVec;
|
|
for(size_t i=0;i<labelVec.size();++i)
|
|
{
|
|
labelVecVec[i].push_back(labelVec[i]);
|
|
}
|
|
dumpPolySetSVG(imageName,polyVecVec,trVec,labelVecVec,labelPosVec,labelRadVec,pp);
|
|
}
|
|
|