gfx/skia/trunk/include/core/SkGraphics.h@129ffea94266 (annotated)
gfx/skia/trunk/include/core/SkGraphics.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 | /* |
| michael@0 | 3 | * Copyright 2006 The Android Open Source Project |
| michael@0 | 4 | * |
| michael@0 | 5 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 6 | * found in the LICENSE file. |
| michael@0 | 7 | */ |
| michael@0 | 8 | |
| michael@0 | 9 | |
| michael@0 | 10 | #ifndef SkGraphics_DEFINED |
| michael@0 | 11 | #define SkGraphics_DEFINED |
| michael@0 | 12 | |
| michael@0 | 13 | #include "SkTypes.h" |
| michael@0 | 14 | |
| michael@0 | 15 | class SK_API SkGraphics { |
| michael@0 | 16 | public: |
| michael@0 | 17 | /** |
| michael@0 | 18 | * Call this at process initialization time if your environment does not |
| michael@0 | 19 | * permit static global initializers that execute code. Note that |
| michael@0 | 20 | * Init() is not thread-safe. |
| michael@0 | 21 | */ |
| michael@0 | 22 | static void Init(); |
| michael@0 | 23 | |
| michael@0 | 24 | /** |
| michael@0 | 25 | * Call this to release any memory held privately, such as the font cache. |
| michael@0 | 26 | */ |
| michael@0 | 27 | static void Term(); |
| michael@0 | 28 | |
| michael@0 | 29 | /** |
| michael@0 | 30 | * Return the version numbers for the library. If the parameter is not |
| michael@0 | 31 | * null, it is set to the version number. |
| michael@0 | 32 | */ |
| michael@0 | 33 | static void GetVersion(int32_t* major, int32_t* minor, int32_t* patch); |
| michael@0 | 34 | |
| michael@0 | 35 | /** |
| michael@0 | 36 | * Return the max number of bytes that should be used by the font cache. |
| michael@0 | 37 | * If the cache needs to allocate more, it will purge previous entries. |
| michael@0 | 38 | * This max can be changed by calling SetFontCacheLimit(). |
| michael@0 | 39 | */ |
| michael@0 | 40 | static size_t GetFontCacheLimit(); |
| michael@0 | 41 | |
| michael@0 | 42 | /** |
| michael@0 | 43 | * Specify the max number of bytes that should be used by the font cache. |
| michael@0 | 44 | * If the cache needs to allocate more, it will purge previous entries. |
| michael@0 | 45 | * |
| michael@0 | 46 | * This function returns the previous setting, as if GetFontCacheLimit() |
| michael@0 | 47 | * had be called before the new limit was set. |
| michael@0 | 48 | */ |
| michael@0 | 49 | static size_t SetFontCacheLimit(size_t bytes); |
| michael@0 | 50 | |
| michael@0 | 51 | /** |
| michael@0 | 52 | * Return the number of bytes currently used by the font cache. |
| michael@0 | 53 | */ |
| michael@0 | 54 | static size_t GetFontCacheUsed(); |
| michael@0 | 55 | |
| michael@0 | 56 | /** |
| michael@0 | 57 | * Return the number of entries in the font cache. |
| michael@0 | 58 | * A cache "entry" is associated with each typeface + pointSize + matrix. |
| michael@0 | 59 | */ |
| michael@0 | 60 | static int GetFontCacheCountUsed(); |
| michael@0 | 61 | |
| michael@0 | 62 | /** |
| michael@0 | 63 | * Return the current limit to the number of entries in the font cache. |
| michael@0 | 64 | * A cache "entry" is associated with each typeface + pointSize + matrix. |
| michael@0 | 65 | */ |
| michael@0 | 66 | static int GetFontCacheCountLimit(); |
| michael@0 | 67 | |
| michael@0 | 68 | /** |
| michael@0 | 69 | * Set the limit to the number of entries in the font cache, and return |
| michael@0 | 70 | * the previous value. If this new value is lower than the previous, |
| michael@0 | 71 | * it will automatically try to purge entries to meet the new limit. |
| michael@0 | 72 | */ |
| michael@0 | 73 | static int SetFontCacheCountLimit(int count); |
| michael@0 | 74 | |
| michael@0 | 75 | /** |
| michael@0 | 76 | * For debugging purposes, this will attempt to purge the font cache. It |
| michael@0 | 77 | * does not change the limit, but will cause subsequent font measures and |
| michael@0 | 78 | * draws to be recreated, since they will no longer be in the cache. |
| michael@0 | 79 | */ |
| michael@0 | 80 | static void PurgeFontCache(); |
| michael@0 | 81 | |
| michael@0 | 82 | static size_t GetImageCacheBytesUsed(); |
| michael@0 | 83 | static size_t GetImageCacheByteLimit(); |
| michael@0 | 84 | static size_t SetImageCacheByteLimit(size_t newLimit); |
| michael@0 | 85 | |
| michael@0 | 86 | /** |
| michael@0 | 87 | * Applications with command line options may pass optional state, such |
| michael@0 | 88 | * as cache sizes, here, for instance: |
| michael@0 | 89 | * font-cache-limit=12345678 |
| michael@0 | 90 | * |
| michael@0 | 91 | * The flags format is name=value[;name=value...] with no spaces. |
| michael@0 | 92 | * This format is subject to change. |
| michael@0 | 93 | */ |
| michael@0 | 94 | static void SetFlags(const char* flags); |
| michael@0 | 95 | |
| michael@0 | 96 | /** |
| michael@0 | 97 | * Return the max number of bytes that should be used by the thread-local |
| michael@0 | 98 | * font cache. |
| michael@0 | 99 | * If the cache needs to allocate more, it will purge previous entries. |
| michael@0 | 100 | * This max can be changed by calling SetFontCacheLimit(). |
| michael@0 | 101 | * |
| michael@0 | 102 | * If this thread has never called SetTLSFontCacheLimit, or has called it |
| michael@0 | 103 | * with 0, then this thread is using the shared font cache. In that case, |
| michael@0 | 104 | * this function will always return 0, and the caller may want to call |
| michael@0 | 105 | * GetFontCacheLimit. |
| michael@0 | 106 | */ |
| michael@0 | 107 | static size_t GetTLSFontCacheLimit(); |
| michael@0 | 108 | |
| michael@0 | 109 | /** |
| michael@0 | 110 | * Specify the max number of bytes that should be used by the thread-local |
| michael@0 | 111 | * font cache. If this value is 0, then this thread will use the shared |
| michael@0 | 112 | * global font cache. |
| michael@0 | 113 | */ |
| michael@0 | 114 | static void SetTLSFontCacheLimit(size_t bytes); |
| michael@0 | 115 | |
| michael@0 | 116 | private: |
| michael@0 | 117 | /** This is automatically called by SkGraphics::Init(), and must be |
| michael@0 | 118 | implemented by the host OS. This allows the host OS to register a callback |
| michael@0 | 119 | with the C++ runtime to call SkGraphics::FreeCaches() |
| michael@0 | 120 | */ |
| michael@0 | 121 | static void InstallNewHandler(); |
| michael@0 | 122 | }; |
| michael@0 | 123 | |
| michael@0 | 124 | class SkAutoGraphics { |
| michael@0 | 125 | public: |
| michael@0 | 126 | SkAutoGraphics() { |
| michael@0 | 127 | SkGraphics::Init(); |
| michael@0 | 128 | } |
| michael@0 | 129 | ~SkAutoGraphics() { |
| michael@0 | 130 | SkGraphics::Term(); |
| michael@0 | 131 | } |
| michael@0 | 132 | }; |
| michael@0 | 133 | |
| michael@0 | 134 | #endif |
