C++ (Cpp) qt_scrollRectInImage Examples

Example #1

File: qwindowsurface_raster.cpp Project: wpbest/copperspice

bool QRasterWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
#ifdef Q_WS_WIN
    Q_D(QRasterWindowSurface);

    if (!d->image || !d->image->hdc)
        return false;

    QRect rect = area.boundingRect();
    BitBlt(d->image->hdc, rect.x()+dx, rect.y()+dy, rect.width(), rect.height(),
           d->image->hdc, rect.x(), rect.y(), SRCCOPY);

    return true;
#else
    Q_D(QRasterWindowSurface);

    if (!d->image || d->image->image.isNull())
        return false;

#if defined(Q_WS_X11) && !defined(QT_NO_MITSHM)
    syncX();
#endif

    const QVector<QRect> rects = area.rects();
    for (int i = 0; i < rects.size(); ++i)
        qt_scrollRectInImage(d->image->image, rects.at(i), QPoint(dx, dy));

    return true;
#endif
}

Example #2

File: qwindowsurface_qws.cpp Project: AlekSi/phantomjs

bool QWSMemorySurface::scroll(const QRegion &area, int dx, int dy)
{
    const QVector<QRect> rects = area.rects();
    for (int i = 0; i < rects.size(); ++i)
        qt_scrollRectInImage(img, rects.at(i), QPoint(dx, dy));

    return true;
}

Example #3

File: qmeegolivepixmapdata.cpp Project: wpbest/copperspice

bool QMeeGoLivePixmapData::scroll(int dx, int dy, const QRect &rect)
{
    lock(NULL);

    if (!lockedImage.isNull())
        qt_scrollRectInImage(lockedImage, rect, QPoint(dx, dy));

    release(&lockedImage);
    return true;
}

Example #4

File: qwindowsbackingstore.cpp Project: 3163504123/phantomjs

bool QWindowsBackingStore::scroll(const QRegion &area, int dx, int dy)
{
    if (m_image.isNull() || m_image->image().isNull())
        return false;

    const QVector<QRect> rects = area.rects();
    for (int i = 0; i < rects.size(); ++i)
        qt_scrollRectInImage(m_image->image(), rects.at(i), QPoint(dx, dy));

    return true;
}

Example #5

File: qxlibwindowsurface.cpp Project: PNIDigitalMedia/emscripten-qt

bool QXlibWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
    if (shm_img.isNull())
        return false;

    const QVector<QRect> rects = area.rects();
    for (int i = 0; i < rects.size(); ++i)
        qt_scrollRectInImage(shm_img, rects.at(i), QPoint(dx, dy));

    return true;
}

Example #6

File: qwindowsbackingstore.cpp Project: James-intern/Qt

bool QWindowsBackingStore::scroll(const QRegion &areaDip, int dxDip, int dyDip)
{
    if (m_image.isNull() || m_image->image().isNull())
        return false;

    const QPoint dp = QPoint(dxDip, dyDip) * QWindowsScaling::factor();
    const QVector<QRect> rects = areaDip.rects();
    for (int i = 0; i < rects.size(); ++i)
        qt_scrollRectInImage(m_image->image(), QWindowsScaling::mapToNative(rects.at(i)), dp);

    return true;
}

Example #7

File: qxcbwindowsurface.cpp Project: Suneal/qt

bool QXcbWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
    if (m_image->image()->isNull())
        return false;

    m_image->preparePaint(area);

    const QVector<QRect> rects = area.rects();
    for (int i = 0; i < rects.size(); ++i)
        qt_scrollRectInImage(*m_image->image(), rects.at(i), QPoint(dx, dy));

    return true;
}

Example #8

File: qpixmap_raster.cpp Project: 3163504123/phantomjs

bool QRasterPlatformPixmap::scroll(int dx, int dy, const QRect &rect)
{
    if (!image.isNull())
        qt_scrollRectInImage(image, rect, QPoint(dx, dy));
    return true;
}