gfx/skia/trunk/include/effects/SkBlurDrawLooper.h@129ffea94266
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.
1 /*
2 * Copyright 2008 The Android Open Source Project
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
9 #ifndef SkBlurDrawLooper_DEFINED
10 #define SkBlurDrawLooper_DEFINED
12 #include "SkDrawLooper.h"
13 #include "SkColor.h"
15 class SkMaskFilter;
16 class SkColorFilter;
18 /** \class SkBlurDrawLooper
19 This class draws a shadow of the object (possibly offset), and then draws
20 the original object in its original position.
21 should there be an option to just draw the shadow/blur layer? webkit?
22 */
23 class SK_API SkBlurDrawLooper : public SkDrawLooper {
24 public:
25 enum BlurFlags {
26 kNone_BlurFlag = 0x00,
27 /**
28 The blur layer's dx/dy/radius aren't affected by the canvas
29 transform.
30 */
31 kIgnoreTransform_BlurFlag = 0x01,
32 kOverrideColor_BlurFlag = 0x02,
33 kHighQuality_BlurFlag = 0x04,
34 /** mask for all blur flags */
35 kAll_BlurFlag = 0x07
36 };
38 SkBlurDrawLooper(SkColor color, SkScalar sigma, SkScalar dx, SkScalar dy,
39 uint32_t flags = kNone_BlurFlag);
41 // SK_ATTR_DEPRECATED("use sigma version")
42 SkBlurDrawLooper(SkScalar radius, SkScalar dx, SkScalar dy, SkColor color,
43 uint32_t flags = kNone_BlurFlag);
44 virtual ~SkBlurDrawLooper();
46 virtual SkDrawLooper::Context* createContext(SkCanvas*, void* storage) const SK_OVERRIDE;
48 virtual size_t contextSize() const SK_OVERRIDE { return sizeof(BlurDrawLooperContext); }
50 SK_TO_STRING_OVERRIDE()
51 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurDrawLooper)
53 protected:
54 SkBlurDrawLooper(SkReadBuffer&);
55 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
57 private:
58 SkMaskFilter* fBlur;
59 SkColorFilter* fColorFilter;
60 SkScalar fDx, fDy;
61 SkColor fBlurColor;
62 uint32_t fBlurFlags;
64 enum State {
65 kBeforeEdge,
66 kAfterEdge,
67 kDone
68 };
70 class BlurDrawLooperContext : public SkDrawLooper::Context {
71 public:
72 explicit BlurDrawLooperContext(const SkBlurDrawLooper* looper);
74 virtual bool next(SkCanvas* canvas, SkPaint* paint) SK_OVERRIDE;
76 private:
77 const SkBlurDrawLooper* fLooper;
78 State fState;
79 };
81 void init(SkScalar sigma, SkScalar dx, SkScalar dy, SkColor color, uint32_t flags);
83 typedef SkDrawLooper INHERITED;
84 };
86 #endif
