OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
(...skipping 13 matching lines...) Expand all Loading... |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef DrawLooper_h | 31 #ifndef DrawLooper_h |
32 #define DrawLooper_h | 32 #define DrawLooper_h |
33 | 33 |
| 34 #include "SkRefCnt.h" |
| 35 #include "core/platform/graphics/Color.h" |
| 36 #include "core/platform/graphics/FloatSize.h" |
34 #include "wtf/Noncopyable.h" | 37 #include "wtf/Noncopyable.h" |
| 38 #include "wtf/RefCounted.h" |
35 #include "wtf/RefPtr.h" | 39 #include "wtf/RefPtr.h" |
| 40 #include "wtf/Vector.h" |
36 | 41 |
| 42 class SkBitmap; |
37 class SkDrawLooper; | 43 class SkDrawLooper; |
| 44 class SkImageFilter; |
38 class SkLayerDrawLooper; | 45 class SkLayerDrawLooper; |
39 | 46 |
40 namespace WebCore { | 47 namespace WebCore { |
41 | 48 |
42 class Color; | 49 class DrawLooper : public RefCounted<DrawLooper> { |
43 class FloatSize; | |
44 | |
45 class DrawLooper { | |
46 // Implementing the copy constructor properly would require writing code to | 50 // Implementing the copy constructor properly would require writing code to |
47 // copy the underlying SkDrawLooper. | 51 // copy the underlying SkDrawLooper. |
48 WTF_MAKE_NONCOPYABLE(DrawLooper); | 52 WTF_MAKE_NONCOPYABLE(DrawLooper); |
49 | 53 |
50 public: | 54 public: |
51 enum ShadowTransformMode { | 55 enum ShadowTransformMode { |
52 ShadowRespectsTransforms, | 56 ShadowRespectsTransforms, |
53 ShadowIgnoresTransforms | 57 ShadowIgnoresTransforms |
54 }; | 58 }; |
55 enum ShadowAlphaMode { | 59 enum ShadowAlphaMode { |
56 ShadowRespectsAlpha, | 60 ShadowRespectsAlpha, |
57 ShadowIgnoresAlpha | 61 ShadowIgnoresAlpha |
58 }; | 62 }; |
59 | 63 |
60 DrawLooper(); | 64 DrawLooper(); |
61 ~DrawLooper(); | 65 ~DrawLooper(); |
62 | 66 |
63 // Callees should not modify this looper other than to iterate over it. | 67 // Callees should not modify this looper other than to iterate over it. |
64 // A downcast to SkLayerDrawLooper* is tantamount to a const_cast. | 68 // A downcast to SkLayerDrawLooper* is tantamount to a const_cast. |
65 SkDrawLooper* skDrawLooper() const; | 69 SkDrawLooper* skDrawLooper(); |
| 70 SkImageFilter* imageFilter(); |
66 | 71 |
67 void addUnmodifiedContent(); | 72 void addUnmodifiedContent(); |
68 void addShadow(const FloatSize& offset, float blur, const Color&, | 73 void addShadow(const FloatSize& offset, float blur, const Color&, |
69 ShadowTransformMode = ShadowRespectsTransforms, | 74 ShadowTransformMode = ShadowRespectsTransforms, |
70 ShadowAlphaMode = ShadowRespectsAlpha); | 75 ShadowAlphaMode = ShadowRespectsAlpha); |
71 | 76 |
| 77 bool shouldUseImageFilterToDrawBitmap(const SkBitmap&); |
| 78 |
72 private: | 79 private: |
73 RefPtr<SkLayerDrawLooper> m_skDrawLooper; | 80 enum LayerType { |
| 81 ShadowLayer, |
| 82 UnmodifiedLayer |
| 83 }; |
| 84 void clearCached(); |
| 85 void buildCachedDrawLooper(); |
| 86 void buildCachedImageFilter(); |
| 87 |
| 88 struct DrawLooperLayerInfo { |
| 89 FloatSize m_offset; |
| 90 float m_blur; |
| 91 Color m_color; |
| 92 ShadowTransformMode m_shadowTransformMode; |
| 93 ShadowAlphaMode m_shadowAlphaMode; |
| 94 LayerType m_layerType; |
| 95 }; |
| 96 |
| 97 typedef Vector<DrawLooperLayerInfo, 2> LayerVector; |
| 98 |
| 99 LayerVector m_layerInfo; |
| 100 |
| 101 RefPtr<SkLayerDrawLooper> m_cachedDrawLooper; |
| 102 RefPtr<SkImageFilter> m_cachedImageFilter; |
74 }; | 103 }; |
75 | 104 |
76 } // namespace WebCore | 105 } // namespace WebCore |
77 | 106 |
78 #endif // DrawLooper_h | 107 #endif // DrawLooper_h |
OLD | NEW |