Function SaveIcon

launcher/ui/dialogs/ExportInstanceDialog.cpp:100–130

Save icon to instance's folder is needed

/// Save icon to instance's folder is needed
void SaveIcon(InstancePtr m_instance)
{
    auto iconKey = m_instance->iconKey();
    auto iconList = APPLICATION->icons();
    auto mmcIcon = iconList->icon(iconKey);
    if (!mmcIcon || mmcIcon->isBuiltIn()) {
        return;
    }
    auto path = mmcIcon->getFilePath();
    if (!path.isNull()) {
        QFileInfo inInfo(path);
        FS::copy(path, FS::PathCombine(m_instance->instanceRoot(), inInfo.fileName()))();
        return;
    }
    auto& image = mmcIcon->m_images[mmcIcon->type()];
    auto& icon = image.icon;
    auto sizes = icon.availableSizes();
    if (sizes.size() == 0) {
        return;
    }
    auto areaOf = [](QSize size) { return size.width() * size.height(); };
    QSize largest = sizes[0];
    // find variant with largest area
    for (auto size : sizes) {
        if (areaOf(largest) < areaOf(size)) {
            largest = size;
        }
    }
    auto pixmap = icon.pixmap(largest);
    pixmap.save(FS::PathCombine(m_instance->instanceRoot(), iconKey + ".png"));
}

void ExportInstanceDialog::doExport()
{