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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
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Long live Qt 4.5!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QVECTORPATH_P_H
+#define QVECTORPATH_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtGui/qpaintengine.h>
+
+#include "qpaintengine_p.h"
+#include "qstroker_p.h"
+#include "qpainter_p.h"
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+
+#define QVECTORPATH_NO_CACHE
+
+struct QRealRect {
+ qreal x1, y1, x2, y2;
+};
+
+class Q_GUI_EXPORT QVectorPath
+{
+public:
+ enum Hint {
+ // Basic shapes...
+ LinesHint = 0x0001, // Just plain lines...
+ RectangleHint = 0x0002,
+ ConvexPolygonHint = 0x0003, // Convex polygon...
+ NonISectPolygonHint = 0x0004, // concave polygon, but not intersecting..
+ NonCurvedShapeHint = 0x0005, // Generic polygon, possibly self-intersecting...
+ CurvedShapeHint = 0x0006, // Generic vector path..
+ EllipseHint = 0x0007,
+ ShapeHintMask = 0x000f,
+
+ // Other hints
+ CacheHint = 0x0100,
+ ControlPointRect = 0x0200, // Set if the control point rect has been calculated...
+
+ // Shape rendering specifiers...
+ OddEvenFill = 0x1000,
+ WindingFill = 0x2000,
+ ImplicitClose = 0x4000,
+ };
+
+ // ### Falcon: introduca a struct XY for points so lars is not so confused...
+ QVectorPath(const qreal *points,
+ int count,
+ const QPainterPath::ElementType *elements = 0,
+ uint hints = CurvedShapeHint)
+ : m_elements(elements),
+ m_points(points),
+ m_count(count),
+ m_hints(hints)
+#ifndef QVECTORPATH_NO_CACHE
+ , m_cache(0)
+#endif
+ {
+ }
+
+ const QRealRect &controlPointRect() const;
+
+ inline Hint shape() const { return (Hint) (m_hints & ShapeHintMask); }
+
+ inline bool hasCacheHint() const { return m_hints & CacheHint; }
+ inline bool hasImplicitClose() const { return m_hints & ImplicitClose; }
+ inline bool hasWindingFill() const { return m_hints & WindingFill; }
+
+ inline uint hints() const { return m_hints; }
+
+ inline const QPainterPath::ElementType *elements() const { return m_elements; }
+ inline const qreal *points() const { return m_points; }
+ inline bool isEmpty() const { return m_points == 0; }
+
+ inline int elementCount() const { return m_count; }
+
+ static inline uint polygonFlags(QPaintEngine::PolygonDrawMode mode);
+
+private:
+ Q_DISABLE_COPY(QVectorPath)
+
+#ifndef QVECTORPATH_NO_CACHE
+ struct CacheEntry {
+ void *engine;
+ int id;
+ void *extra;
+ CacheEntry *next;
+ };
+
+ void addCacheData(CacheEntry *d) {
+ d->next = m_cache;
+ m_cache = d;
+ }
+
+ CacheEntry *m_cache;
+#endif
+
+ const QPainterPath::ElementType *m_elements;
+ const qreal *m_points;
+ const int m_count;
+
+ mutable uint m_hints;
+ mutable QRealRect m_cp_rect;
+};
+
+Q_GUI_EXPORT const QVectorPath &qtVectorPathForPath(const QPainterPath &path);
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif