/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtGui module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** 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 1.1, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QSTYLE_P_H #define QSTYLE_P_H #include "private/qobject_p.h" QT_BEGIN_NAMESPACE // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists for the convenience // of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header // file may change from version to version without notice, or even be removed. // // We mean it. // // Private class class QStylePrivate: public QObjectPrivate { Q_DECLARE_PUBLIC(QStyle) public: inline QStylePrivate() : layoutSpacingIndex(-1) { } mutable int layoutSpacingIndex; }; #define BEGIN_STYLE_PIXMAPCACHE(a) \ QRect rect = option->rect; \ QPixmap internalPixmapCache; \ QImage imageCache; \ QPainter *p = painter; \ QString unique = uniqueName((a), option, option->rect.size()); \ int txType = painter->deviceTransform().type() | painter->worldTransform().type(); \ bool doPixmapCache = UsePixmapCache && txType <= QTransform::TxTranslate; \ if (doPixmapCache && QPixmapCache::find(unique, internalPixmapCache)) { \ painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ } else { \ if (doPixmapCache) { \ rect.setRect(0, 0, option->rect.width(), option->rect.height()); \ imageCache = QImage(option->rect.size(), QImage::Format_ARGB32_Premultiplied); \ imageCache.fill(0); \ p = new QPainter(&imageCache); \ } #define END_STYLE_PIXMAPCACHE \ if (doPixmapCache) { \ p->end(); \ delete p; \ internalPixmapCache = QPixmap::fromImage(imageCache); \ painter->drawPixmap(option->rect.topLeft(), internalPixmapCache); \ QPixmapCache::insert(unique, internalPixmapCache); \ } \ } QT_END_NAMESPACE #endif //QSTYLE_P_H