Index: third_party/WebKit/Source/platform/fonts/FontVariantNumeric.h |
diff --git a/third_party/WebKit/Source/platform/fonts/FontVariantNumeric.h b/third_party/WebKit/Source/platform/fonts/FontVariantNumeric.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ebffcf93a3713833807013d39fdaffe845c47824 |
--- /dev/null |
+++ b/third_party/WebKit/Source/platform/fonts/FontVariantNumeric.h |
@@ -0,0 +1,95 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef FontVariantNumeric_h |
+#define FontVariantNumeric_h |
+ |
+#include "wtf/Allocator.h" |
+ |
+namespace blink { |
+ |
+class FontVariantNumeric { |
+ STACK_ALLOCATED(); |
+ |
+public: |
+ |
+ enum NumericFigure { |
+ NormalFigure = 0, |
+ LiningNums, |
+ OldstyleNums |
+ }; |
+ |
+ enum NumericSpacing { |
+ NormalSpacing = 0, |
+ ProportionalNums, |
+ TabularNums |
+ }; |
+ |
+ enum NumericFraction { |
+ NormalFraction = 0, |
+ DiagonalFractions, |
+ StackedFractions |
+ }; |
+ |
+ enum Ordinal { |
+ OrdinalOff = 0, |
+ OrdinalOn |
+ }; |
+ |
+ enum SlashedZero { |
+ SlashedZeroOff = 0, |
+ SlashedZeroOn |
+ }; |
+ |
+ FontVariantNumeric() : m_fieldsAsUnsigned(0) { } |
+ |
+ static FontVariantNumeric initializeFromUnsigned(unsigned initValue) |
+ { |
+ return FontVariantNumeric(initValue); |
+ } |
+ |
+ void setNumericFigure(NumericFigure figure) { m_fields.m_numericFigure = figure; }; |
+ void setNumericSpacing(NumericSpacing spacing) { m_fields.m_numericSpacing = spacing; }; |
+ void setNumericFraction(NumericFraction fraction) { m_fields.m_numericFraction = fraction; }; |
+ void setOrdinal(Ordinal ordinal) { m_fields.m_ordinal = ordinal; }; |
+ void setSlashedZero(SlashedZero slashedZero) { m_fields.m_slashedZero = slashedZero; }; |
+ |
+ NumericFigure numericFigureValue() const { return static_cast<NumericFigure>(m_fields.m_numericFigure); } |
+ NumericSpacing numericSpacingValue() const { return static_cast<NumericSpacing>(m_fields.m_numericSpacing); } |
+ NumericFraction numericFractionValue() const { return static_cast<NumericFraction>(m_fields.m_numericFraction); } |
+ Ordinal ordinalValue() const { return static_cast<Ordinal>(m_fields.m_ordinal); }; |
+ SlashedZero slashedZeroValue() const { return static_cast<SlashedZero>(m_fields.m_slashedZero); } |
+ |
+ bool isAllNormal() { return !m_fieldsAsUnsigned; } |
+ |
+ bool operator==(const FontVariantNumeric& other) const |
+ { |
+ return m_fieldsAsUnsigned == other.m_fieldsAsUnsigned; |
+ } |
+ |
+private: |
+ FontVariantNumeric(unsigned initValue) : m_fieldsAsUnsigned(initValue) { } |
+ |
+ struct BitFields { |
+ unsigned m_numericFigure : 2; |
+ unsigned m_numericSpacing : 2; |
+ unsigned m_numericFraction : 2; |
+ unsigned m_ordinal : 1; |
+ unsigned m_slashedZero : 1; |
+ }; |
+ |
+ |
+ union { |
+ BitFields m_fields; |
+ unsigned m_fieldsAsUnsigned; |
+ }; |
+ static_assert(sizeof(BitFields) == sizeof(unsigned), "Mapped union types must match in size."); |
+ |
+ // Used in setVariant to store the value in m_fields.m_variantNumeric; |
+ friend class FontDescription; |
+}; |
+ |
+} |
+ |
+#endif // FontVariantNumeric_h |