gfx/skia/trunk/include/effects/SkBlurDrawLooper.h@129ffea94266 (annotated)
gfx/skia/trunk/include/effects/SkBlurDrawLooper.h
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2008 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | |
| michael@0 | 9 | #ifndef SkBlurDrawLooper_DEFINED |
| michael@0 | 10 | #define SkBlurDrawLooper_DEFINED |
| michael@0 | 11 | |
| michael@0 | 12 | #include "SkDrawLooper.h" |
| michael@0 | 13 | #include "SkColor.h" |
| michael@0 | 14 | |
| michael@0 | 15 | class SkMaskFilter; |
| michael@0 | 16 | class SkColorFilter; |
| michael@0 | 17 | |
| michael@0 | 18 | /** \class SkBlurDrawLooper |
| michael@0 | 19 | This class draws a shadow of the object (possibly offset), and then draws |
| michael@0 | 20 | the original object in its original position. |
| michael@0 | 21 | should there be an option to just draw the shadow/blur layer? webkit? |
| michael@0 | 22 | */ |
| michael@0 | 23 | class SK_API SkBlurDrawLooper : public SkDrawLooper { |
| michael@0 | 24 | public: |
| michael@0 | 25 | enum BlurFlags { |
| michael@0 | 26 | kNone_BlurFlag = 0x00, |
| michael@0 | 27 | /** |
| michael@0 | 28 | The blur layer's dx/dy/radius aren't affected by the canvas |
| michael@0 | 29 | transform. |
| michael@0 | 30 | */ |
| michael@0 | 31 | kIgnoreTransform_BlurFlag = 0x01, |
| michael@0 | 32 | kOverrideColor_BlurFlag = 0x02, |
| michael@0 | 33 | kHighQuality_BlurFlag = 0x04, |
| michael@0 | 34 | /** mask for all blur flags */ |
| michael@0 | 35 | kAll_BlurFlag = 0x07 |
| michael@0 | 36 | }; |
| michael@0 | 37 | |
| michael@0 | 38 | SkBlurDrawLooper(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy, |
| michael@0 | 39 | uint32_t flags = kNone_BlurFlag); |
| michael@0 | 40 | |
| michael@0 | 41 | // SK_ATTR_DEPRECATED("use sigma version") |
| michael@0 | 42 | SkBlurDrawLooper(SkScalar radius, SkScalar dx, SkScalar dy, SkColor color, |
| michael@0 | 43 | uint32_t flags = kNone_BlurFlag); |
| michael@0 | 44 | virtual ~SkBlurDrawLooper(); |
| michael@0 | 45 | |
| michael@0 | 46 | virtual SkDrawLooper::Context* createContext(SkCanvas*, void* storage) const SK_OVERRIDE; |
| michael@0 | 47 | |
| michael@0 | 48 | virtual size_t contextSize() const SK_OVERRIDE { return sizeof(BlurDrawLooperContext); } |
| michael@0 | 49 | |
| michael@0 | 50 | SK_TO_STRING_OVERRIDE() |
| michael@0 | 51 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurDrawLooper) |
| michael@0 | 52 | |
| michael@0 | 53 | protected: |
| michael@0 | 54 | SkBlurDrawLooper(SkReadBuffer&); |
| michael@0 | 55 | virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| michael@0 | 56 | |
| michael@0 | 57 | private: |
| michael@0 | 58 | SkMaskFilter* fBlur; |
| michael@0 | 59 | SkColorFilter* fColorFilter; |
| michael@0 | 60 | SkScalar fDx, fDy; |
| michael@0 | 61 | SkColor fBlurColor; |
| michael@0 | 62 | uint32_t fBlurFlags; |
| michael@0 | 63 | |
| michael@0 | 64 | enum State { |
| michael@0 | 65 | kBeforeEdge, |
| michael@0 | 66 | kAfterEdge, |
| michael@0 | 67 | kDone |
| michael@0 | 68 | }; |
| michael@0 | 69 | |
| michael@0 | 70 | class BlurDrawLooperContext : public SkDrawLooper::Context { |
| michael@0 | 71 | public: |
| michael@0 | 72 | explicit BlurDrawLooperContext(const SkBlurDrawLooper* looper); |
| michael@0 | 73 | |
| michael@0 | 74 | virtual bool next(SkCanvas* canvas, SkPaint* paint) SK_OVERRIDE; |
| michael@0 | 75 | |
| michael@0 | 76 | private: |
| michael@0 | 77 | const SkBlurDrawLooper* fLooper; |
| michael@0 | 78 | State fState; |
| michael@0 | 79 | }; |
| michael@0 | 80 | |
| michael@0 | 81 | void init(SkScalar sigma, SkScalar dx, SkScalar dy, SkColor color, uint32_t flags); |
| michael@0 | 82 | |
| michael@0 | 83 | typedef SkDrawLooper INHERITED; |
| michael@0 | 84 | }; |
| michael@0 | 85 | |
| michael@0 | 86 | #endif |
