/// Display pair wises matches as an Adjacency matrix in svg format
void PairWiseMatchingToAdjacencyMatrixSVG(const size_t NbImages,
const matching::PairWiseMatches & map_Matches,
const std::string & sOutName)
{
if ( !map_Matches.empty())
{
float scaleFactor = 5.0f;
svgDrawer svgStream((NbImages+3)*5, (NbImages+3)*5);
// Go along all possible pair
for (size_t I = 0; I < NbImages; ++I) {
for (size_t J = 0; J < NbImages; ++J) {
// If the pair have matches display a blue boxes at I,J position.
matching::PairWiseMatches::const_iterator iterSearch =
map_Matches.find(std::make_pair(I,J));
if (iterSearch != map_Matches.end() && !iterSearch->second.empty())
{
// Display as a tooltip: (IndexI, IndexJ NbMatches)
std::ostringstream os;
os << "(" << J << "," << I << " " << iterSearch->second.size() <<")";
svgStream.drawSquare(J*scaleFactor, I*scaleFactor, scaleFactor/2.0f,
svgStyle().fill("blue").noStroke());
} // HINT : THINK ABOUT OPACITY [0.4 -> 1.0] TO EXPRESS MATCH COUNT
}
}
// Display axes with 0 -> NbImages annotation : _|
std::ostringstream osNbImages;
osNbImages << NbImages;
svgStream.drawText((NbImages+1)*scaleFactor, scaleFactor, scaleFactor, "0", "black");
svgStream.drawText((NbImages+1)*scaleFactor,
(NbImages)*scaleFactor - scaleFactor, scaleFactor, osNbImages.str(), "black");
svgStream.drawLine((NbImages+1)*scaleFactor, 2*scaleFactor,
(NbImages+1)*scaleFactor, (NbImages)*scaleFactor - 2*scaleFactor,
svgStyle().stroke("black", 1.0));
svgStream.drawText(scaleFactor, (NbImages+1)*scaleFactor, scaleFactor, "0", "black");
svgStream.drawText((NbImages)*scaleFactor - scaleFactor,
(NbImages+1)*scaleFactor, scaleFactor, osNbImages.str(), "black");
svgStream.drawLine(2*scaleFactor, (NbImages+1)*scaleFactor,
(NbImages)*scaleFactor - 2*scaleFactor, (NbImages+1)*scaleFactor,
svgStyle().stroke("black", 1.0));
std::ofstream svgFileStream( sOutName.c_str());
svgFileStream << svgStream.closeSvgFile().str();
}
}
bool SvgWriter::save(QIODevice &outputDevice)
{
if (m_toplevelShapes.isEmpty())
return false;
QTextStream svgStream(&outputDevice);
// standard header:
svgStream << "<?xml version=\"1.0\" standalone=\"no\"?>" << endl;
svgStream << "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 20010904//EN\" ";
svgStream << "\"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">" << endl;
// add some PR. one line is more than enough.
svgStream << "<!-- Created using Karbon, part of Calligra: http://www.calligra.org/karbon -->" << endl;
svgStream << "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\"";
svgStream << " width=\"" << m_pageSize.width() << "pt\"";
svgStream << " height=\"" << m_pageSize.height() << "pt\">" << endl;
{
SvgSavingContext savingContext(outputDevice, m_writeInlineImages);
// top level shapes
Q_FOREACH (KoShape *shape, m_toplevelShapes) {
KoShapeLayer *layer = dynamic_cast<KoShapeLayer*>(shape);
if(layer) {
saveLayer(layer, savingContext);
} else {
KoShapeGroup *group = dynamic_cast<KoShapeGroup*>(shape);
if (group)
saveGroup(group, savingContext);
else
saveShape(shape, savingContext);
}
}
}