diff options
Diffstat (limited to 'src/gui/painting/qvectorpath_p.h')
| -rw-r--r-- | src/gui/painting/qvectorpath_p.h | 72 |
1 files changed, 43 insertions, 29 deletions
diff --git a/src/gui/painting/qvectorpath_p.h b/src/gui/painting/qvectorpath_p.h index d02313112f..ec27970696 100644 --- a/src/gui/painting/qvectorpath_p.h +++ b/src/gui/painting/qvectorpath_p.h @@ -66,8 +66,9 @@ QT_BEGIN_NAMESPACE QT_MODULE(Gui) +class QPaintEngineEx; -#define QVECTORPATH_NO_CACHE +typedef void (*qvectorpath_cache_cleanup)(void *data); struct QRealRect { qreal x1, y1, x2, y2; @@ -77,19 +78,27 @@ 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, + // Shape hints, in 0x000000ff, access using shape() + AreaShapeMask = 0x0001, // shape covers an area + NonConvexShapeMask = 0x0002, // shape is not convex + CurvedShapeMask = 0x0004, // shape contains curves... + LinesShapeMask = 0x0008, + RectangleShapeMask = 0x0010, + ShapeMask = 0x001f, + + // Shape hints merged into basic shapes.. + LinesHint = LinesShapeMask, + RectangleHint = AreaShapeMask | RectangleShapeMask, + EllipseHint = AreaShapeMask | CurvedShapeMask, + ConvexPolygonHint = AreaShapeMask, + PolygonHint = AreaShapeMask | NonConvexShapeMask, + RoundedRectHint = AreaShapeMask | CurvedShapeMask, + ArbitraryShapeHint = AreaShapeMask | NonConvexShapeMask | CurvedShapeMask, // Other hints - CacheHint = 0x0100, - ControlPointRect = 0x0200, // Set if the control point rect has been calculated... + IsCachedHint = 0x0100, // Set if the cache hint is set + ShouldUseCacheHint = 0x0200, // Set if the path should be cached when possible.. + ControlPointRect = 0x0400, // Set if the control point rect has been calculated... // Shape rendering specifiers... OddEvenFill = 0x1000, @@ -101,22 +110,21 @@ public: QVectorPath(const qreal *points, int count, const QPainterPath::ElementType *elements = 0, - uint hints = CurvedShapeHint) + uint hints = ArbitraryShapeHint) : m_elements(elements), m_points(points), m_count(count), m_hints(hints) -#ifndef QVECTORPATH_NO_CACHE - , m_cache(0) -#endif { } QRectF controlPointRect() const; - inline Hint shape() const { return (Hint) (m_hints & ShapeHintMask); } + inline Hint shape() const { return (Hint) (m_hints & ShapeMask); } + inline bool isConvex() const { return (m_hints & NonConvexShapeMask) == 0; } + inline bool isCurved() const { return m_hints & CurvedShapeMask; } - inline bool hasCacheHint() const { return m_hints & CacheHint; } + inline bool isCacheable() const { return m_hints & ShouldUseCacheHint; } inline bool hasImplicitClose() const { return m_hints & ImplicitClose; } inline bool hasWindingFill() const { return m_hints & WindingFill; } @@ -131,24 +139,30 @@ public: static inline uint polygonFlags(QPaintEngine::PolygonDrawMode mode); -private: - Q_DISABLE_COPY(QVectorPath) - -#ifndef QVECTORPATH_NO_CACHE struct CacheEntry { - void *engine; - int id; - void *extra; + QPaintEngineEx *engine; + void *data; + qvectorpath_cache_cleanup cleanup; CacheEntry *next; }; - void addCacheData(CacheEntry *d) { - d->next = m_cache; - m_cache = d; + CacheEntry *addCacheData(QPaintEngineEx *engine, void *data, qvectorpath_cache_cleanup cleanup); + inline CacheEntry *lookupCacheData(QPaintEngineEx *engine) const { + Q_ASSERT(m_hints & IsCachedHint); + CacheEntry *e = m_cache; + while (e) { + if (e->engine == engine) + return e; + e = e->next; + } + return 0; } + +private: + Q_DISABLE_COPY(QVectorPath) + CacheEntry *m_cache; -#endif const QPainterPath::ElementType *m_elements; const qreal *m_points; |