skia2/include/private/SkBitmaskEnum.h
halcanary 3287588a46 SkPDF: SkPDFFont class changes
SkPDFFont:
  * inline some one-line methdods.
      - SkPDFFont::typeface()
      - SkPDFFont::fontInfo()
      - SkPDFFont::firstGlyphID()
      - SkPDFFont::lastGlyphID()
      - SkPDFFont::getFontDescriptor()
  * de-virtualize some methods:
      - SkPDFFont::getType()
      - SkPDFFont::multiByteGlyphs()
  * Constructor takes more arguments:
    fontType, multiByteGlyphs
  * re-order fields (pointers before shorts)
  * use sk_sp<T> more, T* less

SkAdvancedTypefaceMetrics:
  * SkAdvancedTypefaceMetrics::fFont now a uint8_t
  * other enumes are sized.
  * SkAdvancedTypefaceMetrics::fStyle now big enough.
  * remove use of SkTBitOr, replaced with fancy templates

No public API changes.
TBR=reed@google.com

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2246903002

Review-Url: https://codereview.chromium.org/2246903002
2016-08-16 09:36:23 -07:00

35 lines
991 B
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkEnumOperators_DEFINED
#define SkEnumOperators_DEFINED
#include "SkTLogic.h"
namespace skstd {
template <typename T> struct is_bitmask_enum : std::false_type {};
}
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E) operator|(E l, E r) {
using U = skstd::underlying_type_t<E>;
return static_cast<E>(static_cast<U>(l) | static_cast<U>(r));
}
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E&) operator|=(E& l, E r) {
return l = l | r;
}
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E) operator&(E l, E r) {
using U = skstd::underlying_type_t<E>;
return static_cast<E>(static_cast<U>(l) & static_cast<U>(r));
}
template <typename E> SK_WHEN(skstd::is_bitmask_enum<E>::value, E&) operator&=(E& l, E r) {
return l = l & r;
}
#endif // SkEnumOperators_DEFINED