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/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_EMBEDDED_LICENSE$
**
****************************************************************************/
#include <w32std.h>
#include <fbs.h>
#include <private/qt_s60_p.h>
#include "qpixmap.h"
#include "qpixmap_raster_p.h"
#include <qwidget.h>
QT_BEGIN_NAMESPACE
QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h )
{
CWsScreenDevice* screenDevice = S60->screenDevice();
TSize screenSize = screenDevice->SizeInPixels();
TSize srcSize;
// Find out if this is one of our windows.
QSymbianControl *sControl;
sControl = winId->MopGetObject(sControl);
if (sControl && sControl->widget()->windowType() == Qt::Desktop) {
// Grabbing desktop widget
srcSize = screenSize;
} else {
TPoint relativePos = winId->PositionRelativeToScreen();
x += relativePos.iX;
y += relativePos.iY;
srcSize = winId->Size();
}
TRect srcRect(TPoint(x, y), srcSize);
// Clip to the screen
srcRect.Intersection(TRect(screenSize));
if (w > 0 && h > 0) {
TRect subRect(TPoint(x, y), TSize(w, h));
// Clip to the subRect
srcRect.Intersection(subRect);
}
if (srcRect.IsEmpty())
return QPixmap();
TDisplayMode displayMode = screenDevice->DisplayMode();
CFbsBitmap* temporary = new (ELeave) CFbsBitmap();
TInt error = temporary->Create(srcRect.Size(), displayMode);
if (error == KErrNone)
error = screenDevice->CopyScreenToBitmap(temporary, srcRect);
if (error != KErrNone) {
CBase::Delete(temporary);
return QPixmap();
}
QImage::Format format = qt_TDisplayMode2Format( displayMode );
int bytesPerLine = CFbsBitmap::ScanLineLength(temporary->SizeInPixels().iWidth,displayMode);
temporary->LockHeap();
QImage image = QImage((uchar*)temporary->DataAddress(), srcRect.Width(), srcRect.Height(), bytesPerLine, format);
QPixmap pixmap = QPixmap::fromImage(image.copy());
temporary->UnlockHeap();
CBase::Delete(temporary);
return pixmap;
}
QT_END_NAMESPACE
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