gfx/skia/trunk/include/effects/SkAvoidXfermode.h@129ffea94266 (annotated)
gfx/skia/trunk/include/effects/SkAvoidXfermode.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 2006 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 | #ifndef SkAvoidXfermode_DEFINED |
| michael@0 | 9 | #define SkAvoidXfermode_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkXfermode.h" |
| michael@0 | 12 | |
| michael@0 | 13 | /** \class SkAvoidXfermode |
| michael@0 | 14 | |
| michael@0 | 15 | This xfermode will draw the src everywhere except on top of the specified |
| michael@0 | 16 | color. |
| michael@0 | 17 | */ |
| michael@0 | 18 | class SK_API SkAvoidXfermode : public SkXfermode { |
| michael@0 | 19 | public: |
| michael@0 | 20 | enum Mode { |
| michael@0 | 21 | kAvoidColor_Mode, //!< draw everywhere except on the opColor |
| michael@0 | 22 | kTargetColor_Mode //!< draw only on top of the opColor |
| michael@0 | 23 | }; |
| michael@0 | 24 | |
| michael@0 | 25 | /** This xfermode draws, or doesn't draw, based on the destination's |
| michael@0 | 26 | distance from an op-color. |
| michael@0 | 27 | |
| michael@0 | 28 | There are two modes, and each mode interprets a tolerance value. |
| michael@0 | 29 | |
| michael@0 | 30 | Avoid: In this mode, drawing is allowed only on destination pixels that |
| michael@0 | 31 | are different from the op-color. |
| michael@0 | 32 | Tolerance near 0: avoid any colors even remotely similar to the op-color |
| michael@0 | 33 | Tolerance near 255: avoid only colors nearly identical to the op-color |
| michael@0 | 34 | |
| michael@0 | 35 | Target: In this mode, drawing only occurs on destination pixels that |
| michael@0 | 36 | are similar to the op-color |
| michael@0 | 37 | Tolerance near 0: draw only on colors that are nearly identical to the op-color |
| michael@0 | 38 | Tolerance near 255: draw on any colors even remotely similar to the op-color |
| michael@0 | 39 | */ |
| michael@0 | 40 | static SkAvoidXfermode* Create(SkColor opColor, U8CPU tolerance, Mode mode) { |
| michael@0 | 41 | return SkNEW_ARGS(SkAvoidXfermode, (opColor, tolerance, mode)); |
| michael@0 | 42 | } |
| michael@0 | 43 | |
| michael@0 | 44 | // overrides from SkXfermode |
| michael@0 | 45 | virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count, |
| michael@0 | 46 | const SkAlpha aa[]) const SK_OVERRIDE; |
| michael@0 | 47 | virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, |
| michael@0 | 48 | const SkAlpha aa[]) const SK_OVERRIDE; |
| michael@0 | 49 | virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count, |
| michael@0 | 50 | const SkAlpha aa[]) const SK_OVERRIDE; |
| michael@0 | 51 | |
| michael@0 | 52 | SK_TO_STRING_OVERRIDE() |
| michael@0 | 53 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkAvoidXfermode) |
| michael@0 | 54 | |
| michael@0 | 55 | protected: |
| michael@0 | 56 | SkAvoidXfermode(SkReadBuffer&); |
| michael@0 | 57 | virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| michael@0 | 58 | |
| michael@0 | 59 | #ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS |
| michael@0 | 60 | public: |
| michael@0 | 61 | #endif |
| michael@0 | 62 | SkAvoidXfermode(SkColor opColor, U8CPU tolerance, Mode mode); |
| michael@0 | 63 | |
| michael@0 | 64 | private: |
| michael@0 | 65 | SkColor fOpColor; |
| michael@0 | 66 | uint32_t fDistMul; // x.14 |
| michael@0 | 67 | Mode fMode; |
| michael@0 | 68 | |
| michael@0 | 69 | typedef SkXfermode INHERITED; |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | #endif |
