2 * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc. All rights reserved.
3 * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
4 * Copyright (C) 2013 Google, Inc. All rights reserved.
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29 #include "platform/graphics/Pattern.h"
31 #include "platform/graphics/BitmapPattern.h"
32 #include "platform/graphics/DisplayList.h"
33 #include "platform/graphics/DisplayListPattern.h"
34 #include "platform/graphics/StaticBitmapPattern.h"
35 #include "third_party/skia/include/core/SkImage.h"
36 #include "third_party/skia/include/core/SkShader.h"
41 PassRefPtr<Pattern> Pattern::createBitmapPattern(PassRefPtr<Image> tileImage, RepeatMode repeatMode)
43 if (tileImage->skImage())
44 return StaticBitmapPattern::create(tileImage, repeatMode);
46 return BitmapPattern::create(tileImage, repeatMode);
49 PassRefPtr<Pattern> Pattern::createDisplayListPattern(PassRefPtr<DisplayList> displayList,
50 RepeatMode repeatMode)
52 return DisplayListPattern::create(displayList, repeatMode);
55 Pattern::Pattern(RepeatMode repeatMode, int64_t externalMemoryAllocated)
56 : m_repeatMode(repeatMode)
57 , m_externalMemoryAllocated(0)
59 adjustExternalMemoryAllocated(externalMemoryAllocated);
64 adjustExternalMemoryAllocated(-m_externalMemoryAllocated);
67 SkShader* Pattern::shader()
70 m_pattern = createShader();
73 return m_pattern.get();
76 void Pattern::setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation)
78 if (patternSpaceTransformation == m_patternSpaceTransformation)
81 m_patternSpaceTransformation = patternSpaceTransformation;
85 void Pattern::adjustExternalMemoryAllocated(int64_t delta)
87 delta = std::max(-m_externalMemoryAllocated, delta);
89 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(delta);
91 m_externalMemoryAllocated += delta;