gfx/skia/trunk/include/effects/SkArithmeticMode.h@129ffea94266 (annotated)
gfx/skia/trunk/include/effects/SkArithmeticMode.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 2011 Google Inc. |
| 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 | #ifndef SkArithmeticMode_DEFINED |
| michael@0 | 9 | #define SkArithmeticMode_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkFlattenable.h" |
| michael@0 | 12 | #include "SkScalar.h" |
| michael@0 | 13 | |
| michael@0 | 14 | class SkXfermode; |
| michael@0 | 15 | |
| michael@0 | 16 | class SK_API SkArithmeticMode { |
| michael@0 | 17 | public: |
| michael@0 | 18 | /** |
| michael@0 | 19 | * result = clamp[k1 * src * dst + k2 * src + k3 * dst + k4] |
| michael@0 | 20 | * |
| michael@0 | 21 | * src and dst are treated as being [0.0 .. 1.0]. The polynomial is |
| michael@0 | 22 | * evaluated on their unpremultiplied components. |
| michael@0 | 23 | * |
| michael@0 | 24 | * k1=k2=k3=0, k4=1.0 results in returning opaque white |
| michael@0 | 25 | * k1=k3=k4=0, k2=1.0 results in returning the src |
| michael@0 | 26 | * k1=k2=k4=0, k3=1.0 results in returning the dst |
| michael@0 | 27 | */ |
| michael@0 | 28 | static SkXfermode* Create(SkScalar k1, SkScalar k2, |
| michael@0 | 29 | SkScalar k3, SkScalar k4); |
| michael@0 | 30 | |
| michael@0 | 31 | SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP(); |
| michael@0 | 32 | |
| michael@0 | 33 | private: |
| michael@0 | 34 | SkArithmeticMode(); // can't be instantiated |
| michael@0 | 35 | }; |
| michael@0 | 36 | |
| michael@0 | 37 | #endif |
