std::string dct16x16(const imagein::Image *img, imagein::Image_t<double> **resImg, imagein::Image **invImg, bool truncMode, int truncLimit, int nBitInit, double slope)
{
string returnval;
/*----------------------------------------------------------------------
*
* OUVERTURE ET LECTURE DU FICHIER IMAGE ORIGINE
*
*----------------------------------------------------------------------*/
Image_t<double>* tmpImg;
if(img->getWidth() % 16 != 0 || img->getHeight() % 16!= 0){
int addcol = 0;
int addlign = 0;
if(img->getWidth() % 16 != 0 )
addcol = 16 - ( img->getWidth() % 16 );
if(img->getHeight() % 16 != 0 )
addlign = 16 - ( img->getHeight() % 16 );
tmpImg = new Image_t<double>(img->getWidth() + addcol, img->getHeight() + addlign, img->getNbChannels());
for(unsigned int c = 0; c < tmpImg->getNbChannels(); c++) {
for(unsigned int i = 0; i < tmpImg->getWidth() ; i++) {
for(unsigned int j = 0; j < tmpImg->getHeight() ; j++) {
tmpImg->setPixel(i, j, c, (double) img->getPixel(min(i, img->getWidth()-1 ), min(j, img->getHeight()-1), c));
}
}
}
}
else {
tmpImg = Converter<Image_t<double> >::convert(*img);
}
/*----------------------------------------------------------------------
*
* CALCUL DES COEFFICIENTS DE LA MATRICE DE TRANSFORMATION
*
*----------------------------------------------------------------------*/
double coef[16];
cosi(coef);
/*----------------------------------------------------------------------
*
* TRANSFORMATION
*
*----------------------------------------------------------------------*/
dct(tmpImg, coef);
/*----------------------------------------------------------------------
*
* CODAGE
*
*----------------------------------------------------------------------*/
if(truncMode) {
returnval = tronc(tmpImg, truncLimit);
}
else {
returnval = reduce(tmpImg, nBitInit, slope);
}
/*----------------------------------------------------------------------
*
* STOCKAGE DE L'IMAGE TRANSFORMEE DANS UN FICHIER
*
*----------------------------------------------------------------------*/
*resImg = new Image_t<double>(*tmpImg);
/*----------------------------------------------------------------------
*
* TRANSFORMATION INVERSE
*
*----------------------------------------------------------------------*/
idct(tmpImg, coef);
/*----------------------------------------------------------------------
*
* STOCKAGE DE L'IMAGE RESULTAT DANS UN FICHIER
*
*----------------------------------------------------------------------*/
*invImg = Converter<Image>::convertAndRound(*tmpImg);
delete tmpImg;
return returnval;
}
void RandomImgOp::operator()(const imagein::Image*, const std::map<const imagein::Image*, std::string>&) {
QDialog* dialog = new QDialog(qApp->activeWindow());
dialog->setWindowTitle(qApp->translate("RandomImgOp", "Parameters"));
dialog->setMinimumWidth(180);
QFormLayout* layout = new QFormLayout(dialog);
QGroupBox* radioGroup = new QGroupBox(qApp->translate("RandomImgOp", "Image type"), dialog);
QRadioButton* intButton = new QRadioButton(qApp->translate("RandomImgOp", "8-bit integer"));
QRadioButton* floatButton = new QRadioButton(qApp->translate("RandomImgOp", "Floating point"));
QHBoxLayout* radioLayout = new QHBoxLayout(radioGroup);
radioLayout->addWidget(intButton);
radioLayout->addWidget(floatButton);
intButton->setChecked(true);
layout->insertRow(0, radioGroup);
QSpinBox* widthBox = new QSpinBox(dialog);
widthBox->setRange(0, 65536);
widthBox->setValue(512);
layout->insertRow(1, qApp->translate("RandomImgOp", "Width : "), widthBox);
QSpinBox* heightBox = new QSpinBox(dialog);
heightBox->setRange(0, 65536);
heightBox->setValue(512);
layout->insertRow(2, qApp->translate("RandomImgOp", "Height : "), heightBox);
QSpinBox* channelBox = new QSpinBox(dialog);
channelBox->setRange(1, 4);
channelBox->setValue(3);
layout->insertRow(3, qApp->translate("RandomImgOp", "Number of channels : "), channelBox);
QWidget* intRangeWidget = new QWidget(dialog);
QHBoxLayout* intRangeLayout = new QHBoxLayout(intRangeWidget);
QSpinBox* intMinBox = new QSpinBox(dialog);
QSpinBox* intMaxBox = new QSpinBox(dialog);
intMinBox->setRange(0, 255);
intMaxBox->setRange(0, 255);
intMinBox->setValue(0);
intMaxBox->setValue(255);
intRangeLayout->addWidget(new QLabel(qApp->translate("RandomImgOp", "Range : ")));
intRangeLayout->addWidget(intMinBox);
intRangeLayout->addWidget(new QLabel(qApp->translate("RandomImgOp", " to ")));
intRangeLayout->addWidget(intMaxBox);
layout->insertRow(4, intRangeWidget);
QWidget* floatRangeWidget = new QWidget(dialog);
QHBoxLayout* floatRangeLayout = new QHBoxLayout(floatRangeWidget);
QDoubleSpinBox* floatMinBox = new QDoubleSpinBox(dialog);
QDoubleSpinBox* floatMaxBox = new QDoubleSpinBox(dialog);
floatMinBox->setValue(0.0);
floatMaxBox->setValue(1.0);
floatMinBox->setRange(-65536, 65536);
floatMaxBox->setRange(-65536, 65536);
floatRangeLayout->addWidget(new QLabel(qApp->translate("RandomImgOp", "Range : ")));
floatRangeLayout->addWidget(floatMinBox);
floatRangeLayout->addWidget(new QLabel(qApp->translate("RandomImgOp", " to ")));
floatRangeLayout->addWidget(floatMaxBox);
layout->insertRow(5, floatRangeWidget);
floatRangeWidget->hide();
layout->setSizeConstraint(QLayout::SetFixedSize);
QObject::connect(intButton, SIGNAL(toggled(bool)), intRangeWidget, SLOT(setVisible(bool)));
QObject::connect(floatButton, SIGNAL(toggled(bool)), floatRangeWidget, SLOT(setVisible(bool)));
QPushButton *okButton = new QPushButton(qApp->translate("Operations", "Validate"), dialog);
okButton->setDefault(true);
layout->addWidget(okButton);
QObject::connect(okButton, SIGNAL(clicked()), dialog, SLOT(accept()));
QDialog::DialogCode code = static_cast<QDialog::DialogCode>(dialog->exec());
if(code!=QDialog::Accepted) {
return;
}
if(intButton->isChecked()) {
Image* resImg = new Image(widthBox->value(), heightBox->value(), channelBox->value());
RandomLib::Random random;
for(unsigned int c = 0; c < resImg->getNbChannels(); ++c) {
for(unsigned int j = 0; j < resImg->getHeight(); ++j) {
for(unsigned int i = 0; i < resImg->getWidth(); ++i) {
Image::depth_t value = random.IntegerC<Image::depth_t>(intMinBox->value(), intMaxBox->value());
// Image::depth_t value = 256. * (rand() / (RAND_MAX + 1.));;
resImg->setPixel(i, j, c, value);
}
}
}
this->outImage(resImg, qApp->translate("Operations", "Random image").toStdString());
}
else if(floatButton->isChecked()) {
Image_t<double>* resImg = new Image_t<double>(widthBox->value(), heightBox->value(), channelBox->value());
RandomLib::Random random;
for(unsigned int c = 0; c < resImg->getNbChannels(); ++c) {
for(unsigned int j = 0; j < resImg->getHeight(); ++j) {
for(unsigned int i = 0; i < resImg->getWidth(); ++i) {
double min = floatMinBox->value();
double max = floatMaxBox->value();
// double width = max - min;
// double value = min + (double)rand() * width / RAND_MAX;
double value = random.FixedN<double>();
value = value*(max-min) + min;
resImg->setPixel(i, j, c, value);
}
}
}
this->outDoubleImage(resImg, qApp->translate("Operations", "Random image").toStdString(), true);
}
}
