qminimalwindowsurface.cpp

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#include "qminimalwindowsurface.h"
#include <QtCore/qdebug.h>
#include <QtGui/private/qapplication_p.h>

QT_BEGIN_NAMESPACE

QMinimalWindowSurface::QMinimalWindowSurface(QWidget *window)
    : QWindowSurface(window)
{
    //qDebug() << "QMinimalWindowSurface::QMinimalWindowSurface:" << (long)this;
}

QMinimalWindowSurface::~QMinimalWindowSurface()
{
}

QPaintDevice *QMinimalWindowSurface::paintDevice()
{
    //qDebug() << "QMinimalWindowSurface::paintDevice";
    return &mImage;
}

void QMinimalWindowSurface::flush(QWidget *widget, const QRegion &region, const QPoint &offset)
{
    Q_UNUSED(widget);
    Q_UNUSED(region);
    Q_UNUSED(offset);

    static int c = 0;
    QString filename = QString("output%1.png").arg(c++, 4, 10, QLatin1Char('0'));
    qDebug() << "QMinimalWindowSurface::flush() saving contents to" << filename.toLocal8Bit().constData();
    mImage.save(filename);
}

void QMinimalWindowSurface::resize(const QSize &size)
{
    //qDebug() << "QMinimalWindowSurface::setGeometry:" << (long)this << rect;
    QWindowSurface::resize(size);
    QImage::Format format = QApplicationPrivate::platformIntegration()->screens().first()->format();
    if (mImage.size() != size)
        mImage = QImage(size, format);
}

QT_END_NAMESPACE