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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:18:55 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:18:55 (GMT) |
commit | e5fcad302d86d316390c6b0f62759a067313e8a9 (patch) | |
tree | c2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/painting/qvectorpath_p.h | |
download | Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.zip Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.gz Qt-e5fcad302d86d316390c6b0f62759a067313e8a9.tar.bz2 |
Long live Qt 4.5!
Diffstat (limited to 'src/gui/painting/qvectorpath_p.h')
-rw-r--r-- | src/gui/painting/qvectorpath_p.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/gui/painting/qvectorpath_p.h b/src/gui/painting/qvectorpath_p.h new file mode 100644 index 0000000..2713cda --- /dev/null +++ b/src/gui/painting/qvectorpath_p.h @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** 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 |