Method convert

src/mainwindowimpl.cpp:662–758

}

void MainWindowImpl::convert()
{
    if ((treeWidget->topLevelItem(curr_index))->checkState(0)) {
        IniSettings::setLatestWrittenFormatIndex(comboWFormats->currentIndex());
        statusBar()->showMessage(iAList->at(curr_index).fileName, 5000);

        QString out_format;

        QString inputFilename = iAList->at(curr_index).completeFileName;

        QFileInfo fi(inputFilename);

        QList<MagickDefine> magickDefines;

        if (comboWFormats->currentIndex() != 0) {
            out_format = comboWFormats->currentText().split(" - ").at(0);
        }
        else {
            QString suffix = fi.suffix();

            out_format = suffix;
        }

        out_format = out_format.toLower();

        QString outFileName = QString("%1/%2.%3").arg(destinationPath()).arg(fi.completeBaseName()).arg(out_format);

        int quality = -1;

        /*
            For further details:
            http://www.imagemagick.org/script/command-line-options.php#quality
        */

        // Compression level 1-100
        if ((out_format == "jpg") || (out_format == "jpeg") || (out_format == "mpeg") || (out_format == "mpg")) {
            quality = m_jpgQuality;
        }

        // Compression level 0-9. For compression level 0 (quality value less than 10), the Huffman-only strategy is used
        if ((out_format == "png") || (out_format == "mng")) {
            quality = m_pngQuality * 10;
        }

        if (out_format == "webp") {
            quality = m_webPQuality;

            // magick, key, value
            magickDefines << MagickDefine("webp", "lossless", (m_isWebPLosslessCompression) ? "true" : "false");
            magickDefines << MagickDefine("webp", "method", QString::number(m_webPCompression));
            magickDefines << MagickDefine("webp", "preprocessing", (m_iskWebPDithering) ? "1" : "0");
        }

        if (out_format == "avif") {
            quality = 100;
            magickDefines << MagickDefine("avif", "speed", "0");
            magickDefines << MagickDefine("heic", "chroma", "444");
        }