void MainWindow::writeGraphviz()
{
QFileDialog dialog(this);
dialog.setFileMode(QFileDialog::AnyFile);
dialog.setNameFilter(tr("Graphviz file (*.gv)"));
if(dialog.exec()) {
QFile f(dialog.selectedFiles()[0]);
f.open(QIODevice::WriteOnly | QIODevice::Text);
QTextStream out(&f);
GameBoard b(*gbw->gameBoard());
QString fdir = QFileInfo(dialog.selectedFiles()[0]).dir().path();
GraphGen::setPrepareImageCallback([&](const GameBoard& b, const std::string& fname) {
QFile imfile(fdir + "/" + QString::fromStdString(fname) + ".png");
if(!imfile.exists()) {
QImage image(100, 100, QImage::Format_RGB888);
QPainter imp(&image);
GameBoardWidget::paintBoard(&b, imp);
image.save(imfile.fileName());
std::cout << "Wrote image " << imfile.fileName().toStdString() << std::endl;
}
});
out << QString::fromStdString(GraphGen::graph(b, 3*2, 4));
}
}
void ImLoad::saveImage(const char *fn, Image *im) {
ofstream imfile(fn, ios::binary);
if (!imfile.is_open()) {
cerr << "Sorry, could not open: " << fn << endl;
exit(0);
}
imfile << "P5" << endl;
imfile << im->getWidth() << " " << im->getHeight() << " 255" << endl;
for (int y = 0; y < im->getHeight(); y++)
for (int x = 0; x < im->getWidth(); x++)
imfile.put((unsigned char)(im->getPix(x, y) * 255));
}
Image *ImLoad::readImage(const char *fn){
ifstream imfile(fn, ios::binary);
if (!imfile.is_open()) {
cerr << "Sorry, could not open: " << fn << endl;
exit(0);
}
// Reading file header
char P;
char num;
imfile >> P >> num;
ignoreComments(imfile);
// Read image dimensions and extremum value
int width, height, extr;
imfile >> width;
ignoreComments(imfile);
imfile >> height;
ignoreComments(imfile);
imfile >> extr;
// Check whether the file is OK
if (P != 'P' || num != '5' ||
width <= 0 || height <= 0 ||
extr > 255) {
cerr << "Input image has to be PGM format" << endl;
exit(0);
}
// Get the image intensities and normalise to 0 - 1.
imfile.get();
Image *im = new Image(width, height);
for (int y = 0; y < height; y++)
for (int x = 0; x < width; x++)
im->setPix(x, y, ((double) imfile.get()) / extr);
return im;
}
