source: trunk/src/gui/painting/qwindowsurface_s60.cpp@ 938

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#include <qglobal.h> // for Q_WS_WIN define (non-PCH)

#include <QtGui/qpaintdevice.h>
#include <private/qwidget_p.h>
#include <private/qwindowsurface_s60_p.h>
#include <private/qpixmap_s60_p.h>
#include <private/qt_s60_p.h>
#include <private/qapplication_p.h>
#include <private/qdrawhelper_p.h>

#ifdef QT_GRAPHICSSYSTEM_RUNTIME
#include <private/qgraphicssystem_runtime_p.h>
#endif

QT_BEGIN_NAMESPACE

struct QS60WindowSurfacePrivate
{
    QPixmap device;
    QList<QImage*> bufferImages;
};

TDisplayMode displayMode(bool opaque)
{

    TDisplayMode mode = S60->screenDevice()->DisplayMode();
    if (opaque) {
        mode = EColor16MU;
    } else  {
        if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_3)
            mode = Q_SYMBIAN_ECOLOR16MAP; // Symbian^3 WServ has support for ARGB32_PRE
        else
            mode = EColor16MA; // Symbian prior to Symbian^3 sw accelerates EColor16MA
    }
    return mode;
}

QS60WindowSurface::QS60WindowSurface(QWidget* widget)
    : QWindowSurface(widget), d_ptr(new QS60WindowSurfacePrivate)
{
    TDisplayMode mode = displayMode(qt_widget_private(widget)->isOpaque);
    // We create empty CFbsBitmap here -> it will be resized in setGeometry
    CFbsBitmap *bitmap = q_check_ptr(new CFbsBitmap);   // CBase derived object needs check on new
    qt_symbian_throwIfError( bitmap->Create( TSize(0, 0), mode ) );

    QS60PixmapData *data = new QS60PixmapData(QPixmapData::PixmapType);
    if (data) {
        data->fromSymbianBitmap(bitmap, true);
        d_ptr->device = QPixmap(data);
    }

    setStaticContentsSupport(true);
}

QS60WindowSurface::~QS60WindowSurface()
{
#if defined(QT_GRAPHICSSYSTEM_RUNTIME) && defined(Q_SYMBIAN_SUPPORTS_SURFACES)
    if(QApplicationPrivate::runtime_graphics_system) {
        QRuntimeGraphicsSystem *runtimeGraphicsSystem =
                static_cast<QRuntimeGraphicsSystem*>(QApplicationPrivate::graphics_system);
        if(runtimeGraphicsSystem->graphicsSystemName() == QLatin1String("openvg")) {

            // Graphics system has been switched from raster to openvg.
            // Issue empty redraw to clear the UI surface

            QWidget *w = window();
            if (w->testAttribute(Qt::WA_WState_Created)) {
                RWindow *const window = static_cast<RWindow *>(w->winId()->DrawableWindow());
                window->BeginRedraw();
                window->EndRedraw();
            }