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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
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