Method resize

src/Gui/BitmapFactory.cpp:381–440

}

QPixmap BitmapFactoryInst::resize(int w, int h, const QPixmap& p, Qt::BGMode bgmode) const
{
    if (bgmode == Qt::TransparentMode) {
        if (p.width() == 0 || p.height() == 0) {
            w = 1;
        }

        QPixmap pix = p;
        int x = pix.width() > w ? 0 : (w - pix.width()) / 2;
        int y = pix.height() > h ? 0 : (h - pix.height()) / 2;

        if (x == 0 && y == 0) {
            return pix;
        }

        QPixmap pm(w, h);
        QBitmap mask(w, h);
        mask.fill(Qt::color0);

        QBitmap bm = pix.mask();
        if (!bm.isNull()) {
            QPainter painter(&mask);
            painter.drawPixmap(QPoint(x, y), bm, QRect(0, 0, pix.width(), pix.height()));
            pm.setMask(mask);
        }
        else {
            pm.setMask(mask);
            pm = fillRect(x, y, pix.width(), pix.height(), pm, Qt::OpaqueMode);
        }

        QPainter pt;
        pt.begin(&pm);
        pt.drawPixmap(x, y, pix);
        pt.end();
        return pm;
    }
    else {  // Qt::OpaqueMode
        QPixmap pix = p;

        if (pix.width() == 0 || pix.height() == 0) {
            return pix;  // do not resize a null pixmap
        }

        QPalette pal = qApp->palette();
        QColor dl = pal.color(QPalette::Disabled, QPalette::Light);
        QColor dt = pal.color(QPalette::Disabled, QPalette::Text);

        QPixmap pm(w, h);
        pm.fill(dl);

        QPainter pt;
        pt.begin(&pm);
        pt.setPen(dl);
        pt.drawPixmap(1, 1, pix);
        pt.setPen(dt);
        pt.drawPixmap(0, 0, pix);
        pt.end();
        return pm;