reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 2 | * Copyright 2006 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 3 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef SkTypes_DEFINED |
| 9 | #define SkTypes_DEFINED |
| 10 | |
bungeman | f20488b | 2015-07-29 11:49:40 -0700 | [diff] [blame] | 11 | // IWYU pragma: begin_exports |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 12 | #include "SkPreConfig.h" |
| 13 | #include "SkUserConfig.h" |
| 14 | #include "SkPostConfig.h" |
bungeman | f20488b | 2015-07-29 11:49:40 -0700 | [diff] [blame] | 15 | #include <stddef.h> |
bungeman@google.com | fab44db | 2013-10-11 18:50:45 +0000 | [diff] [blame] | 16 | #include <stdint.h> |
bungeman | f20488b | 2015-07-29 11:49:40 -0700 | [diff] [blame] | 17 | // IWYU pragma: end_exports |
| 18 | |
Hal Canary | 6158251 | 2018-06-21 10:33:52 -0400 | [diff] [blame^] | 19 | #include <utility> |
| 20 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 21 | /** \file SkTypes.h |
| 22 | */ |
| 23 | |
reed@android.com | 9aa8b32 | 2010-04-13 13:22:54 +0000 | [diff] [blame] | 24 | /** See SkGraphics::GetVersion() to retrieve these at runtime |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 25 | */ |
reed@android.com | 9aa8b32 | 2010-04-13 13:22:54 +0000 | [diff] [blame] | 26 | #define SKIA_VERSION_MAJOR 1 |
| 27 | #define SKIA_VERSION_MINOR 0 |
| 28 | #define SKIA_VERSION_PATCH 0 |
| 29 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 30 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 31 | /** Called internally if we hit an unrecoverable error. |
| 32 | The platform implementation must not return, but should either throw |
| 33 | an exception or otherwise exit. |
| 34 | */ |
djsollen | f2b340f | 2016-01-29 08:51:04 -0800 | [diff] [blame] | 35 | SK_API extern void sk_abort_no_print(void); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 36 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | #ifndef SkDebugf |
george | c4ade57 | 2014-08-01 12:02:07 -0700 | [diff] [blame] | 38 | SK_API void SkDebugf(const char format[], ...); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 39 | #endif |
| 40 | |
Mike Klein | 37bbfe3 | 2017-09-28 09:47:45 -0400 | [diff] [blame] | 41 | // SkASSERT, SkASSERTF and SkASSERT_RELEASE can be used as stand alone assertion expressions, e.g. |
| 42 | // uint32_t foo(int x) { |
| 43 | // SkASSERT(x > 4); |
| 44 | // return x - 4; |
| 45 | // } |
| 46 | // and are also written to be compatible with constexpr functions: |
| 47 | // constexpr uint32_t foo(int x) { |
| 48 | // return SkASSERT(x > 4), |
| 49 | // x - 4; |
| 50 | // } |
caryclark | d656200 | 2016-07-27 12:02:07 -0700 | [diff] [blame] | 51 | #define SkASSERT_RELEASE(cond) \ |
Mike Klein | 37bbfe3 | 2017-09-28 09:47:45 -0400 | [diff] [blame] | 52 | static_cast<void>( (cond) ? (void)0 : []{ SK_ABORT("assert(" #cond ")"); }() ) |
djsollen | f2b340f | 2016-01-29 08:51:04 -0800 | [diff] [blame] | 53 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 54 | #ifdef SK_DEBUG |
Mike Klein | 37bbfe3 | 2017-09-28 09:47:45 -0400 | [diff] [blame] | 55 | #define SkASSERT(cond) SkASSERT_RELEASE(cond) |
| 56 | #define SkASSERTF(cond, fmt, ...) static_cast<void>( (cond) ? (void)0 : [&]{ \ |
| 57 | SkDebugf(fmt"\n", __VA_ARGS__); \ |
| 58 | SK_ABORT("assert(" #cond ")"); \ |
| 59 | }() ) |
bungeman | 1f790aa | 2016-07-20 09:49:10 -0700 | [diff] [blame] | 60 | #define SkDEBUGFAIL(message) SK_ABORT(message) |
herb | 966e3d3 | 2015-09-18 07:00:48 -0700 | [diff] [blame] | 61 | #define SkDEBUGFAILF(fmt, ...) SkASSERTF(false, fmt, ##__VA_ARGS__) |
csmartdalton | ceeaa78 | 2016-08-10 10:07:57 -0700 | [diff] [blame] | 62 | #define SkDEBUGCODE(...) __VA_ARGS__ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 63 | #define SkDEBUGF(args ) SkDebugf args |
| 64 | #define SkAssertResult(cond) SkASSERT(cond) |
| 65 | #else |
Mike Klein | 37bbfe3 | 2017-09-28 09:47:45 -0400 | [diff] [blame] | 66 | #define SkASSERT(cond) static_cast<void>(0) |
| 67 | #define SkASSERTF(cond, fmt, ...) static_cast<void>(0) |
tomhudson@google.com | 0c00f21 | 2011-12-28 14:59:50 +0000 | [diff] [blame] | 68 | #define SkDEBUGFAIL(message) |
hstern | e6f8ff0 | 2016-08-15 15:26:31 -0700 | [diff] [blame] | 69 | #define SkDEBUGFAILF(fmt, ...) |
csmartdalton | ceeaa78 | 2016-08-10 10:07:57 -0700 | [diff] [blame] | 70 | #define SkDEBUGCODE(...) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 71 | #define SkDEBUGF(args) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 72 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 73 | // unlike SkASSERT, this macro executes its condition in the non-debug build. |
bsalomon | 1b4c01c | 2016-05-09 12:35:17 -0700 | [diff] [blame] | 74 | // The if is present so that this can be used with functions marked SK_WARN_UNUSED_RESULT. |
| 75 | #define SkAssertResult(cond) if (cond) {} do {} while(false) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 76 | #endif |
| 77 | |
Hal Canary | bc718c1 | 2018-06-12 14:16:11 -0400 | [diff] [blame] | 78 | //////////////////////////////////////////////////////////////////////////////// |
| 79 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 80 | /** Fast type for unsigned 8 bits. Use for parameter passing and local |
| 81 | variables, not for storage |
| 82 | */ |
reed@google.com | 37a3133 | 2011-01-25 14:55:42 +0000 | [diff] [blame] | 83 | typedef unsigned U8CPU; |
| 84 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 85 | /** Fast type for signed 16 bits. Use for parameter passing and local variables, |
| 86 | not for storage |
| 87 | */ |
reed@google.com | 37a3133 | 2011-01-25 14:55:42 +0000 | [diff] [blame] | 88 | typedef int S16CPU; |
| 89 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 90 | /** Fast type for unsigned 16 bits. Use for parameter passing and local |
| 91 | variables, not for storage |
| 92 | */ |
reed@google.com | 37a3133 | 2011-01-25 14:55:42 +0000 | [diff] [blame] | 93 | typedef unsigned U16CPU; |
| 94 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 95 | /** @return false or true based on the condition |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 96 | */ |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 97 | template <typename T> static constexpr bool SkToBool(const T& x) { return 0 != x; } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 98 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 99 | static constexpr int16_t SK_MaxS16 = INT16_MAX; |
| 100 | static constexpr int16_t SK_MinS16 = -SK_MaxS16; |
| 101 | |
| 102 | static constexpr int32_t SK_MaxS32 = INT32_MAX; |
| 103 | static constexpr int32_t SK_MinS32 = -SK_MaxS32; |
| 104 | static constexpr int32_t SK_NaN32 = INT32_MIN; |
| 105 | |
Ben Wagner | b089765 | 2018-06-15 15:37:57 +0000 | [diff] [blame] | 106 | static constexpr int64_t SK_MaxS64 = INT64_MAX; |
Mike Reed | 3d5a6b5 | 2018-01-31 15:55:47 -0500 | [diff] [blame] | 107 | static constexpr int64_t SK_MinS64 = -SK_MaxS64; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 108 | |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 109 | static inline constexpr int32_t SkLeftShift(int32_t value, int32_t shift) { |
caryclark | 3127c99 | 2015-12-09 12:02:30 -0800 | [diff] [blame] | 110 | return (int32_t) ((uint32_t) value << shift); |
| 111 | } |
| 112 | |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 113 | static inline constexpr int64_t SkLeftShift(int64_t value, int32_t shift) { |
caryclark | 3127c99 | 2015-12-09 12:02:30 -0800 | [diff] [blame] | 114 | return (int64_t) ((uint64_t) value << shift); |
| 115 | } |
| 116 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 117 | //////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 118 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 119 | /** @return the number of entries in an array (not a pointer) |
| 120 | */ |
mtklein | fc00a7c | 2015-05-07 10:58:44 -0700 | [diff] [blame] | 121 | template <typename T, size_t N> char (&SkArrayCountHelper(T (&array)[N]))[N]; |
caryclark | 95b96d6 | 2015-08-19 10:12:59 -0700 | [diff] [blame] | 122 | #define SK_ARRAY_COUNT(array) (sizeof(SkArrayCountHelper(array))) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 123 | |
Hal Canary | bc718c1 | 2018-06-12 14:16:11 -0400 | [diff] [blame] | 124 | //////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 125 | |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 126 | template <typename T> static constexpr T SkAlign2(T x) { return (x + 1) >> 1 << 1; } |
| 127 | template <typename T> static constexpr T SkAlign4(T x) { return (x + 3) >> 2 << 2; } |
| 128 | template <typename T> static constexpr T SkAlign8(T x) { return (x + 7) >> 3 << 3; } |
reed@google.com | c6faa5a | 2012-06-27 15:07:11 +0000 | [diff] [blame] | 129 | |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 130 | template <typename T> static constexpr bool SkIsAlign2(T x) { return 0 == (x & 1); } |
| 131 | template <typename T> static constexpr bool SkIsAlign4(T x) { return 0 == (x & 3); } |
| 132 | template <typename T> static constexpr bool SkIsAlign8(T x) { return 0 == (x & 7); } |
tomhudson@google.com | 01224d5 | 2011-11-28 18:22:01 +0000 | [diff] [blame] | 133 | |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 134 | template <typename T> static constexpr T SkAlignPtr(T x) { |
Hal Canary | bc718c1 | 2018-06-12 14:16:11 -0400 | [diff] [blame] | 135 | return sizeof(void*) == 8 ? SkAlign8(x) : SkAlign4(x); |
| 136 | } |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 137 | template <typename T> static constexpr bool SkIsAlignPtr(T x) { |
Hal Canary | bc718c1 | 2018-06-12 14:16:11 -0400 | [diff] [blame] | 138 | return sizeof(void*) == 8 ? SkIsAlign8(x) : SkIsAlign4(x); |
| 139 | } |
mtklein | 0209e95 | 2014-08-28 14:10:05 -0700 | [diff] [blame] | 140 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 141 | typedef uint32_t SkFourByteTag; |
Hal Canary | bb9ee9b | 2018-06-12 16:47:47 -0400 | [diff] [blame] | 142 | static inline constexpr SkFourByteTag SkSetFourByteTag(char a, char b, char c, char d) { |
Hal Canary | bc718c1 | 2018-06-12 14:16:11 -0400 | [diff] [blame] | 143 | return (((uint8_t)a << 24) | ((uint8_t)b << 16) | ((uint8_t)c << 8) | (uint8_t)d); |
| 144 | } |
| 145 | |
| 146 | //////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 147 | |
| 148 | /** 32 bit integer to hold a unicode value |
| 149 | */ |
| 150 | typedef int32_t SkUnichar; |
benjaminwagner | ec4d4d7 | 2016-03-25 12:59:53 -0700 | [diff] [blame] | 151 | |
halcanary | d0e95a5 | 2016-07-25 07:18:12 -0700 | [diff] [blame] | 152 | /** 16 bit unsigned integer to hold a glyph index |
| 153 | */ |
| 154 | typedef uint16_t SkGlyphID; |
| 155 | |
benjaminwagner | ec4d4d7 | 2016-03-25 12:59:53 -0700 | [diff] [blame] | 156 | /** 32 bit value to hold a millisecond duration |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 157 | Note that SK_MSecMax is about 25 days. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 158 | */ |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 159 | typedef uint32_t SkMSec; |
| 160 | |
| 161 | /** Maximum representable milliseconds; 24d 20h 31m 23.647s. |
| 162 | */ |
| 163 | static constexpr SkMSec SK_MSecMax = INT32_MAX; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 164 | |
commit-bot@chromium.org | 2b4e370 | 2014-04-07 18:26:22 +0000 | [diff] [blame] | 165 | /** The generation IDs in Skia reserve 0 has an invalid marker. |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 166 | */ |
| 167 | static constexpr uint32_t SK_InvalidGenID = 0; |
| 168 | |
bsalomon | 1c63bf6 | 2014-07-22 13:09:46 -0700 | [diff] [blame] | 169 | /** The unique IDs in Skia reserve 0 has an invalid marker. |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 170 | */ |
| 171 | static constexpr uint32_t SK_InvalidUniqueID = 0; |
commit-bot@chromium.org | 2b4e370 | 2014-04-07 18:26:22 +0000 | [diff] [blame] | 172 | |
reed@android.com | d457775 | 2009-11-21 02:48:11 +0000 | [diff] [blame] | 173 | static inline int32_t SkAbs32(int32_t value) { |
mtklein | 09a22e9 | 2014-11-21 11:38:53 -0800 | [diff] [blame] | 174 | SkASSERT(value != SK_NaN32); // The most negative int32_t can't be negated. |
commit-bot@chromium.org | 38bad32 | 2013-07-30 13:16:29 +0000 | [diff] [blame] | 175 | if (value < 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 176 | value = -value; |
commit-bot@chromium.org | 38bad32 | 2013-07-30 13:16:29 +0000 | [diff] [blame] | 177 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 178 | return value; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 179 | } |
| 180 | |
Mike Klein | bde64e4 | 2016-11-14 08:39:39 -0500 | [diff] [blame] | 181 | template <typename T> static inline T SkTAbs(T value) { |
reed@google.com | 2b57dc6 | 2013-01-08 13:23:32 +0000 | [diff] [blame] | 182 | if (value < 0) { |
| 183 | value = -value; |
| 184 | } |
| 185 | return value; |
| 186 | } |
| 187 | |
reed@android.com | d457775 | 2009-11-21 02:48:11 +0000 | [diff] [blame] | 188 | static inline int32_t SkMax32(int32_t a, int32_t b) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 189 | if (a < b) |
| 190 | a = b; |
| 191 | return a; |
| 192 | } |
| 193 | |
reed@android.com | d457775 | 2009-11-21 02:48:11 +0000 | [diff] [blame] | 194 | static inline int32_t SkMin32(int32_t a, int32_t b) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 195 | if (a > b) |
| 196 | a = b; |
| 197 | return a; |
| 198 | } |
| 199 | |
halcanary | a0af771 | 2016-05-23 09:11:58 -0700 | [diff] [blame] | 200 | template <typename T> constexpr const T& SkTMin(const T& a, const T& b) { |
caryclark@google.com | 3b97af5 | 2013-04-23 11:56:44 +0000 | [diff] [blame] | 201 | return (a < b) ? a : b; |
| 202 | } |
| 203 | |
halcanary | a0af771 | 2016-05-23 09:11:58 -0700 | [diff] [blame] | 204 | template <typename T> constexpr const T& SkTMax(const T& a, const T& b) { |
caryclark@google.com | 3b97af5 | 2013-04-23 11:56:44 +0000 | [diff] [blame] | 205 | return (b < a) ? a : b; |
| 206 | } |
| 207 | |
Chris Dalton | 42c2115 | 2018-06-13 15:28:19 -0600 | [diff] [blame] | 208 | template <typename T> constexpr const T& SkTClamp(const T& x, const T& lo, const T& hi) { |
| 209 | return (x < lo) ? lo : SkTMin(x, hi); |
| 210 | } |
| 211 | |
reed@android.com | d457775 | 2009-11-21 02:48:11 +0000 | [diff] [blame] | 212 | static inline int32_t SkFastMin32(int32_t value, int32_t max) { |
commit-bot@chromium.org | 38bad32 | 2013-07-30 13:16:29 +0000 | [diff] [blame] | 213 | if (value > max) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 214 | value = max; |
commit-bot@chromium.org | 38bad32 | 2013-07-30 13:16:29 +0000 | [diff] [blame] | 215 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 216 | return value; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 217 | } |
| 218 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 219 | /** @return value pinned (clamped) between min and max, inclusively. |
| 220 | */ |
halcanary | a0af771 | 2016-05-23 09:11:58 -0700 | [diff] [blame] | 221 | template <typename T> static constexpr const T& SkTPin(const T& value, const T& min, const T& max) { |
bungeman | 62ce030 | 2015-08-28 09:09:32 -0700 | [diff] [blame] | 222 | return SkTMax(SkTMin(value, max), min); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 223 | } |
| 224 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 225 | //////////////////////////////////////////////////////////////////////////////// |
bsalomon | 5ec26ae | 2016-02-25 08:33:02 -0800 | [diff] [blame] | 226 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 227 | /** Indicates whether an allocation should count against a cache budget. |
| 228 | */ |
bsalomon | 5ec26ae | 2016-02-25 08:33:02 -0800 | [diff] [blame] | 229 | enum class SkBudgeted : bool { |
| 230 | kNo = false, |
| 231 | kYes = true |
| 232 | }; |
| 233 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 234 | /** Indicates whether a backing store needs to be an exact match or can be |
| 235 | larger than is strictly necessary |
| 236 | */ |
robertphillips | 76948d4 | 2016-05-04 12:47:41 -0700 | [diff] [blame] | 237 | enum class SkBackingFit { |
| 238 | kApprox, |
| 239 | kExact |
| 240 | }; |
| 241 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 242 | //////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 243 | |
| 244 | /** \class SkNoncopyable |
| 245 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 246 | SkNoncopyable is the base class for objects that do not want to |
| 247 | be copied. It hides its copy-constructor and its assignment-operator. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 248 | */ |
ctguil@chromium.org | 7ffb1b2 | 2011-03-15 21:27:08 +0000 | [diff] [blame] | 249 | class SK_API SkNoncopyable { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 250 | public: |
Chris Blume | 2b6be20 | 2017-04-25 17:33:13 -0700 | [diff] [blame] | 251 | SkNoncopyable() = default; |
reed@google.com | 1fcd51e | 2011-01-05 15:50:27 +0000 | [diff] [blame] | 252 | |
Chris Blume | 2b6be20 | 2017-04-25 17:33:13 -0700 | [diff] [blame] | 253 | SkNoncopyable(SkNoncopyable&&) = default; |
| 254 | SkNoncopyable& operator =(SkNoncopyable&&) = default; |
| 255 | |
Hal Canary | c36f7e7 | 2018-06-18 15:50:09 -0400 | [diff] [blame] | 256 | private: |
Chris Blume | 2b6be20 | 2017-04-25 17:33:13 -0700 | [diff] [blame] | 257 | SkNoncopyable(const SkNoncopyable&) = delete; |
| 258 | SkNoncopyable& operator=(const SkNoncopyable&) = delete; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 259 | }; |
| 260 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 261 | #endif |