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/****************************************************************************
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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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#ifndef QVECTORPATH_P_H
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#define QVECTORPATH_P_H
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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 purely as an
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// implementation detail. This header file may change from version to
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// version 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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#include <QtGui/qpaintengine.h>
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#include <private/qpaintengine_p.h>
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#include <private/qstroker_p.h>
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#include <private/qpainter_p.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#define QVECTORPATH_NO_CACHE
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struct QRealRect {
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qreal x1, y1, x2, y2;
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};
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class Q_GUI_EXPORT QVectorPath
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{
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public:
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enum Hint {
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// Basic shapes...
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LinesHint = 0x0001, // Just plain lines...
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RectangleHint = 0x0002,
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ConvexPolygonHint = 0x0003, // Convex polygon...
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NonISectPolygonHint = 0x0004, // concave polygon, but not intersecting..
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NonCurvedShapeHint = 0x0005, // Generic polygon, possibly self-intersecting...
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CurvedShapeHint = 0x0006, // Generic vector path..
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EllipseHint = 0x0007,
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ShapeHintMask = 0x000f,
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// Other hints
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CacheHint = 0x0100,
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ControlPointRect = 0x0200, // Set if the control point rect has been calculated...
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// Shape rendering specifiers...
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OddEvenFill = 0x1000,
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WindingFill = 0x2000,
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ImplicitClose = 0x4000
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};
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// ### Falcon: introduca a struct XY for points so lars is not so confused...
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QVectorPath(const qreal *points,
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int count,
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const QPainterPath::ElementType *elements = 0,
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uint hints = CurvedShapeHint)
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: m_elements(elements),
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m_points(points),
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m_count(count),
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m_hints(hints)
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#ifndef QVECTORPATH_NO_CACHE
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, m_cache(0)
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#endif
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{
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}
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QRectF controlPointRect() const;
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inline Hint shape() const { return (Hint) (m_hints & ShapeHintMask); }
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inline bool hasCacheHint() const { return m_hints & CacheHint; }
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inline bool hasImplicitClose() const { return m_hints & ImplicitClose; }
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inline bool hasWindingFill() const { return m_hints & WindingFill; }
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inline uint hints() const { return m_hints; }
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inline const QPainterPath::ElementType *elements() const { return m_elements; }
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inline const qreal *points() const { return m_points; }
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inline bool isEmpty() const { return m_points == 0; }
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inline int elementCount() const { return m_count; }
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inline const QPainterPath convertToPainterPath() const;
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static inline uint polygonFlags(QPaintEngine::PolygonDrawMode mode);
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private:
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Q_DISABLE_COPY(QVectorPath)
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#ifndef QVECTORPATH_NO_CACHE
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struct CacheEntry {
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void *engine;
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int id;
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void *extra;
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CacheEntry *next;
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};
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void addCacheData(CacheEntry *d) {
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d->next = m_cache;
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m_cache = d;
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}
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CacheEntry *m_cache;
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#endif
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const QPainterPath::ElementType *m_elements;
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const qreal *m_points;
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const int m_count;
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mutable uint m_hints;
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mutable QRealRect m_cp_rect;
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};
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Q_GUI_EXPORT const QVectorPath &qtVectorPathForPath(const QPainterPath &path);
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif
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