horizonwizardpage.cc


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#include "horizonwizardpage.hh"

using std::string;

void HorizonWizardPage::loadWatermark(string page)
{
        QPixmap pixmap;
        qreal pixelRatio = 0;
        string path = ":/wizard_pixmaps/resources/";
        path += page;
        path += "-";

        if(window()->devicePixelRatioF() == 2.0)
        {
                path += "high";
                pixelRatio = 2.0;
        } else if(window()->devicePixelRatioF() == 1.0) {
                path += "low";
                pixelRatio = 1.0;
        } else {
                path += "high";
        }

        path += ".png";

        pixmap = QPixmap(path.c_str());

        // Handle cases where ratio is not exactly 1.0 or 2.0
        // Wizard machinary automatically uses FastTransformation, which is
        // ugly as sin.
        if(pixelRatio == 0)
        {
                qreal width = 232 * window()->devicePixelRatioF();
                qreal height = 380 * window()->devicePixelRatioF();
                QSize newSize = QSize(width, height);

                pixmap = pixmap.scaled(newSize, Qt::KeepAspectRatio,
                                       Qt::SmoothTransformation);
                pixmap.setDevicePixelRatio(window()->devicePixelRatioF());
        } else {
                pixmap.setDevicePixelRatio(pixelRatio);
        }

        setPixmap(QWizard::WatermarkPixmap, pixmap);
}