diff options
Diffstat (limited to 'Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp')
-rw-r--r-- | Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp | 58 |
1 files changed, 51 insertions, 7 deletions
diff --git a/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp b/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp index 5efecd8..464224a 100644 --- a/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp +++ b/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp @@ -98,7 +98,24 @@ public: static const bool safeToCompareToEmptyOrDeleted = false; }; +class SkPaintHash { +public: + static unsigned hash(const SkPaint* const& paint) + { + return StringHasher::hashMemory(paint, sizeof(SkPaint)); + } + + static bool equal(const SkPaint* const& a, + const SkPaint* const& b) + { + return a && b && (*a == *b); + } + + static const bool safeToCompareToEmptyOrDeleted = false; +}; + typedef HashSet<PlatformGraphicsContext::State*, StateHash> StateHashSet; +typedef HashSet<const SkPaint*, SkPaintHash> SkPaintHashSet; class CanvasState { public: @@ -187,11 +204,13 @@ private: // the last thing destroyed. LinearAllocator m_operationHeap; LinearAllocator m_canvasStateHeap; + // Used by both PlatformGraphicsContext::State and SkPaint, as both are + // roughly the same size (72 bytes vs. 76 bytes, respectively) LinearAllocator m_stateHeap; public: RecordingImpl() : m_canvasStateHeap(sizeof(CanvasState)) - , m_stateHeap(sizeof(PlatformGraphicsContext::State)) + , m_stateHeap(sizeof(SkPaint)) , m_nodeCount(0) { } @@ -199,6 +218,7 @@ public: ~RecordingImpl() { clearStates(); clearCanvasStates(); + clearSkPaints(); } PlatformGraphicsContext::State* getState(PlatformGraphicsContext::State* inState) { @@ -211,6 +231,16 @@ public: return state; } + const SkPaint* getSkPaint(const SkPaint& inPaint) { + SkPaintHashSet::iterator it = m_paints.find(&inPaint); + if (it != m_paints.end()) + return (*it); + void* buf = m_stateHeap.alloc(sizeof(SkPaint)); + SkPaint* paint = new (buf) SkPaint(inPaint); + m_paints.add(paint); + return paint; + } + void addCanvasState(CanvasState* state) { m_canvasStates.append(state); } @@ -269,14 +299,21 @@ private: m_states.clear(); } + void clearSkPaints() { + SkPaintHashSet::iterator end = m_paints.end(); + for (SkPaintHashSet::iterator it = m_paints.begin(); it != end; ++it) + (*it)->~SkPaint(); + m_paints.clear(); + } + void clearCanvasStates() { for (size_t i = 0; i < m_canvasStates.size(); i++) m_canvasStates[i]->~CanvasState(); m_canvasStates.clear(); } - // TODO: Use a global pool? StateHashSet m_states; + SkPaintHashSet m_paints; Vector<CanvasState*> m_canvasStates; }; @@ -854,13 +891,20 @@ void PlatformGraphicsContextRecording::strokeRect(const FloatRect& rect, float l appendDrawingOperation(NEW_OP(StrokeRect)(rect, lineWidth), bounds); } -void PlatformGraphicsContextRecording::drawPosText(const void* text, size_t byteLength, - const SkPoint pos[], const SkPaint& paint) +void PlatformGraphicsContextRecording::drawPosText(const void* inText, size_t byteLength, + const SkPoint inPos[], const SkPaint& inPaint) { - if (paint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) { - ALOGE("Unsupported text encoding! %d", paint.getTextEncoding()); + if (inPaint.getTextEncoding() != SkPaint::kGlyphID_TextEncoding) { + ALOGE("Unsupported text encoding! %d", inPaint.getTextEncoding()); + return; } - FloatRect bounds = approximateTextBounds(byteLength / sizeof(uint16_t), pos, paint); + FloatRect bounds = approximateTextBounds(byteLength / sizeof(uint16_t), inPos, inPaint); + const SkPaint* paint = mRecording->recording()->getSkPaint(inPaint); + int posSize = sizeof(SkPoint) * paint->countText(inText, byteLength); + void* text = operationHeap()->alloc(posSize + byteLength); + SkPoint* pos = (SkPoint*) ((char*)text + byteLength); + memcpy(text, inText, byteLength); + memcpy(pos, inPos, posSize); appendDrawingOperation(NEW_OP(DrawPosText)(text, byteLength, pos, paint), bounds); } |