Ejemplos de KisUpdateInfoSP::dirtyViewportRect en C++ (Cpp)

Ejemplo n.º 1

Archivo: kis_qpainter_canvas.cpp Proyecto: TheTypoMaster/calligra

QRect KisQPainterCanvas::updateCanvasProjection(KisUpdateInfoSP info)
{
    /**
    * It might happen that the canvas type is switched while the
    * update info is being stuck in the Qt's signals queue. Than a wrong
    * type of the info may come. So just check it here.
    */
    bool isPPUpdateInfo = dynamic_cast<KisPPUpdateInfo*>(info.data());
    if (isPPUpdateInfo) {
        m_d->prescaledProjection->recalculateCache(info);
        return info->dirtyViewportRect();
    } else {
        return QRect();
    }
}