cv::Mat GCModule::cast(const QImage &qImage)
{
const int h = qImage.height();
const int w = qImage.width();
cv::Mat result(h, w, CV_8UC3);
for (int i = 0; i < h; i++)
{
for (int j = 0; j < w; j++)
{
const QColor qColor = qImage.pixelColor(j, i);
const cv::Vec3b color(qColor.red(), qColor.green(), qColor.blue());
result.at<cv::Vec3b>(i, j) = color;
}
}
return result;
}
QImage YoonEncryptor::encrypt(const QImage &src)
{
auto result = src;
if(result.height() > result.width())
result = result.transformed(QTransform().rotate(90));
QVector<int> seed = dividers(result.height());
int **lookUpTable = createLUT(seed);
QImage tempImage;
int red,green,blue;
QColor oldColor;
for(int r = 0; r < K; r++){
tempImage = result;
int **mask = createMask(result.height());
for(int i = 0; i < result.height(); i++){
for(int j = 0; j < result.width(); j++){
oldColor = tempImage.pixelColor(j, i);
red = oldColor.red()^mask[lookUpTable[i][j]][j];
green = oldColor.green()^mask[lookUpTable[i][j]][j];
blue = oldColor.blue()^mask[lookUpTable[i][j]][j];
result.setPixelColor(j, lookUpTable[i][j], QColor(red, green, blue));
}
}
freeMemory(mask, result.height());
}
freeMemory(lookUpTable, result.height());
if(result.height() > result.width())
result = result.transformed(QTransform().rotate(-90));
return result;
}
QColor IconColors::dominantColor() const
{
const QImage img = m_icon.pixmap({32, 32}).toImage();
if(img.isNull()) {
qWarning() << "wrong icon" << m_icon << m_icon.name();
return QColor(Qt::black);
}
const int tolerance = 10;
QVector<uint> hue(360/tolerance, 0);
#ifdef OUTPUT_PIXMAP_DEBUG
QImage thing(img.size()+QSize(0,1), QImage::Format_ARGB32);
thing.fill(Qt::white);
#endif
for (int w=0, cw=img.width(); w<cw; ++w) {
for (int h=0, ch=img.height(); h<ch; ++h) {
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
const QColor c = img.pixelColor(w, h).toHsv();
#else
const QColor c(img.pixel(w, h));
#endif
if (c.value()>150 && c.saturation()>20 && c.hue()>=0 && c.alpha()>200) {
hue[c.hue()/tolerance]++;
#ifdef OUTPUT_PIXMAP_DEBUG
// qDebug() << "adopting" << w << "x" << h << c.name() << c.hue();
// thing.setPixelColor(w, h, c);
thing.setPixelColor(w, h, QColor::fromHsv(tolerance*(c.hue()/tolerance), 220, 220));
#endif
}
}
}
uint dominantHue = 0, biggestAmount = 0;
for(int i=0; i<hue.size(); ++i) {
if (hue[i]>biggestAmount) {
biggestAmount = hue[i];
dominantHue = i;
}
}
QColor ret = QColor::fromHsv((dominantHue*tolerance + tolerance/2) % 360, 255, 255);
#ifdef OUTPUT_PIXMAP_DEBUG
qDebug() << "dominant" << dominantHue << hue[dominantHue] << "~=" << ((100*hue[dominantHue])/(img.width()*img.height())) << "% " << iconName();
thing.setPixelColor(0, img.height(), ret);
thing.save("/tmp/"+iconName()+".png");
#endif
return ret;
}
