0500ebafec
This is prompted by a bug in vc++ reported at https://developercommunity.visualstudio.com/content/problem/86829/constexpr-initializing-struct-in-union-only-zero-i.html Visual C++ will not properly constexpr initialize a struct inside a union. Removing this construct also allows us to avoid writing and reading from different members of a union. Change-Id: I76e069ecce77ef21b7ad3821bf9c29e1b0843618 Reviewed-on: https://skia-review.googlesource.com/28300 Commit-Queue: Mike Klein <mtklein@chromium.org> Reviewed-by: Brian Salomon <bsalomon@google.com> Reviewed-by: Mike Klein <mtklein@chromium.org>
83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkFontStyle_DEFINED
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#define SkFontStyle_DEFINED
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#include "SkTypes.h"
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class SK_API SkFontStyle {
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public:
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enum Weight {
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kInvisible_Weight = 0,
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kThin_Weight = 100,
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kExtraLight_Weight = 200,
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kLight_Weight = 300,
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kNormal_Weight = 400,
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kMedium_Weight = 500,
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kSemiBold_Weight = 600,
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kBold_Weight = 700,
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kExtraBold_Weight = 800,
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kBlack_Weight = 900,
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kExtraBlack_Weight = 1000,
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};
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enum Width {
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kUltraCondensed_Width = 1,
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kExtraCondensed_Width = 2,
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kCondensed_Width = 3,
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kSemiCondensed_Width = 4,
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kNormal_Width = 5,
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kSemiExpanded_Width = 6,
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kExpanded_Width = 7,
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kExtraExpanded_Width = 8,
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kUltraExpanded_Width = 9,
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};
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enum Slant {
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kUpright_Slant,
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kItalic_Slant,
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kOblique_Slant,
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};
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constexpr SkFontStyle(int weight, int width, Slant slant) : fValue(
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(SkTPin<int>(weight, kInvisible_Weight, kExtraBlack_Weight)) +
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(SkTPin<int>(width, kUltraCondensed_Width, kUltraExpanded_Width) << 16) +
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(SkTPin<int>(slant, kUpright_Slant, kOblique_Slant) << 24)
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) { }
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constexpr SkFontStyle() : SkFontStyle{kNormal_Weight, kNormal_Width, kUpright_Slant} { }
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static SkFontStyle FromOldStyle(unsigned oldStyle);
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bool operator==(const SkFontStyle& rhs) const {
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return fValue == rhs.fValue;
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}
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int weight() const { return fValue & 0xFFFF; }
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int width() const { return (fValue >> 16) & 0xFF; }
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Slant slant() const { return (Slant)((fValue >> 24) & 0xFF); }
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static constexpr SkFontStyle Normal() {
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return SkFontStyle(kNormal_Weight, kNormal_Width, kUpright_Slant);
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}
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static constexpr SkFontStyle Bold() {
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return SkFontStyle(kBold_Weight, kNormal_Width, kUpright_Slant);
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}
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static constexpr SkFontStyle Italic() {
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return SkFontStyle(kNormal_Weight, kNormal_Width, kItalic_Slant );
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}
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static constexpr SkFontStyle BoldItalic() {
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return SkFontStyle(kBold_Weight, kNormal_Width, kItalic_Slant );
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}
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private:
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uint32_t fValue;
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};
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#endif
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