author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:03:49 +0300 | |
changeset 6 | 1c3b8676e58c |
child 16 | 3c88a81ff781 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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* |
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* Description: |
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* |
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*/ |
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|
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#ifndef ViewportMetaData_h |
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#define ViewportMetaData_h |
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#include <QFlags> |
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#include <QObject> |
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#include <QRect> |
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namespace GVA { |
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struct ParsedViewportData{ |
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QString m_width; |
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QString m_height; |
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qreal m_minScale; |
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}; |
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class ViewportMetaData { |
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public: |
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enum { |
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ValueUndefined = -1 |
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}; |
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enum ScaleLimit { |
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UserDefinedMinumumScale = 0x1, |
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UserDefinedMaximumScale = 0x2, |
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UserDefinedInitialScale = 0x4, |
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}; |
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Q_DECLARE_FLAGS(ScaleLimits, ScaleLimit) |
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ViewportMetaData(); |
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ViewportMetaData(const ViewportMetaData&); |
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ViewportMetaData& operator=(const ViewportMetaData&); |
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~ViewportMetaData(); |
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void adjustViewportData(const QRect& clientRect); |
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void updateViewportData(const QSize& size, const QRect& clientRect); |
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void orientationChanged(const QRect& newClientRect); |
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bool isLayoutNeeded(); |
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void reset() {initialize();} |
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void setFlag(ScaleLimit scaleLimit, bool enable) |
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{ |
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if (enable) |
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m_scaleLimits |= scaleLimit; |
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else |
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m_scaleLimits &= !scaleLimit; |
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} |
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bool getFlag(ScaleLimit scaleLimit) |
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{ |
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return m_scaleLimits.testFlag(scaleLimit); |
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} |
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protected: |
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void initialize(); |
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void adjustZoomValues(const QRect& clientRect); |
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bool isUserSpecifiedWidth(); |
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bool isUserSpecifiedHeight(); |
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public: |
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qreal m_initialScale; |
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qreal m_minimumScale; |
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qreal m_maximumScale; |
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int m_width; |
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int m_height; |
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bool m_userScalable; |
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ScaleLimits m_scaleLimits; |
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bool m_isValid; |
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ParsedViewportData m_specifiedData; |
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};//ViewportMetaData |
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Q_DECLARE_OPERATORS_FOR_FLAGS(ViewportMetaData::ScaleLimits) |
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} //namespace GVA |
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#endif //ViewportMetaData_h |