/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef QSTYLE_P_H+
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#define QSTYLE_P_H+
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+
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#include "private/qobject_p.h"+
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#include "private/qstylehelper_p.h"+
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#include <QtGui/qstyle.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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//+
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//  W A R N I N G+
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//  -------------+
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//+
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// This file is not part of the Qt API.  It exists for the convenience+
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// of qstyle_*.cpp.  This header file may change from version to version+
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// without notice, or even be removed.+
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//+
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// We mean it.+
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//+
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+
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// Private class+
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+
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class QStyle;+
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+
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class QStylePrivate: public QObjectPrivate+
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{+
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    Q_DECLARE_PUBLIC(QStyle)+
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public:+
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    inline QStylePrivate()+
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        : layoutSpacingIndex(-1), proxyStyle(0) {}+
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    mutable int layoutSpacingIndex;+
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    QStyle *proxyStyle;+
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};+
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+
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+
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#define BEGIN_STYLE_PIXMAPCACHE(a) \+
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    QRect rect = option->rect; \+
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    QPixmap internalPixmapCache; \+
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    QImage imageCache; \+
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    QPainter *p = painter; \+
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    QString unique = QStyleHelper::uniqueName((a), option, option->rect.size()); \+
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    int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \+
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    bool doPixmapCache = txType <= QTransform::TxTranslate; \+
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    if (doPixmapCache && QPixmapCache::find(unique, internalPixmapCache)) { \+
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        painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \+
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    } else { \+
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        if (doPixmapCache) { \+
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            rect.setRect(0, 0, option->rect.width(), option->rect.height()); \+
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            imageCache = QImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied); \+
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            imageCache.fill(0); \+
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            p = new QPainter(&imageCache); \+
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        }+
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+
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+
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+
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#define END_STYLE_PIXMAPCACHE \+
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        if (doPixmapCache) { \+
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            p->end(); \+
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            delete p; \+
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            internalPixmapCache = QPixmap::fromImage(imageCache); \+
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            painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \+
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            QPixmapCache::insert(unique, internalPixmapCache); \+
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        } \+
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    }+
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+
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QT_END_NAMESPACE+
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+
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#endif //QSTYLE_P_H+
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