Method normalmapSizeChanged

src_gui/mainwindow.cpp:893–900

calculates the size preview text (e.g. "1024 x 1024 px")

//calculates the size preview text (e.g. "1024 x 1024 px")
void MainWindow::normalmapSizeChanged() {
    int sizePercent = ui->spinBox_normalmapSize->value();
    QString text = QString::number(calcPercentage(input.width(), sizePercent));
    text.append(" x ");
    text.append(QString::number(calcPercentage(input.height(), sizePercent)));
    text.append(" px");
    ui->label_normalmapSize->setText(text);
}

// Used to scale down the input image if a value less than 100 
// is set in spinBox_normalmapSize. We have to make sure size is at least 1