source: trunk/src/gui/painting/qwindowsurface_raster.cpp@ 347

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information ([email protected])
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/

#include <qdebug.h>

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

#include <QtGui/qpaintdevice.h>
#include <QtGui/qwidget.h>

#include "private/qwindowsurface_raster_p.h"
#include "private/qnativeimage_p.h"
#include "private/qwidget_p.h"

#ifdef Q_WS_X11
#include "private/qpixmap_x11_p.h"
#include "private/qt_x11_p.h"
#include "private/qwidget_p.h"
#include "qx11info_x11.h"
#endif
#include "private/qdrawhelper_p.h"

#ifdef Q_WS_MAC
#include <private/qt_cocoa_helpers_mac_p.h>
#endif

#if defined(Q_WS_PM) && defined(QT_LOG_BLITSPEED)
#include <InnotekLIBC/FastInfoBlocks.h>
#endif

QT_BEGIN_NAMESPACE

#ifdef Q_WS_WIN
PtrUpdateLayeredWindowIndirect ptrUpdateLayeredWindowIndirect;
#endif

#if defined(Q_WS_PM) && defined(QT_LOG_BLITSPEED)
unsigned long long qt_total_blit_ms = 0;
unsigned long long qt_total_blit_pixels = 0;
#endif

class QRasterWindowSurfacePrivate
{
public:
    QNativeImage *image;

#ifdef Q_WS_X11
    GC gc;
#ifndef QT_NO_XRENDER
    uint translucentBackground : 1;
#endif
#endif
#if defined(Q_WS_WIN) && !defined(Q_OS_WINCE)
    uint canUseLayeredWindow : 1;
#endif
    uint inSetGeometry : 1;
};

QRasterWindowSurface::QRasterWindowSurface(QWidget *window)
    : QWindowSurface(window), d_ptr(new QRasterWindowSurfacePrivate)
{
#ifdef Q_WS_X11
    d_ptr->gc = XCreateGC(X11->display, window->handle(), 0, 0);
#ifndef QT_NO_XRENDER
    d_ptr->translucentBackground = X11->use_xrender
        && window->x11Info().depth() == 32;
#endif
#endif
#if defined(Q_WS_WIN) && !defined(Q_OS_WINCE)
    d_ptr->canUseLayeredWindow = ptrUpdateLayeredWindowIndirect
        && (qt_widget_private(window)->data.window_flags & Qt::FramelessWindowHint);
#endif
    d_ptr->image = 0;
    d_ptr->inSetGeometry = false;
    setStaticContentsSupport(true);
}


QRasterWindowSurface::~QRasterWindowSurface()
{