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      1 /*
      2  * Copyright 2013 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #ifndef SkFontStyle_DEFINED
      9 #define SkFontStyle_DEFINED
     10 
     11 #include "SkTypes.h"
     12 
     13 class SK_API SkFontStyle {
     14 public:
     15     enum Weight {
     16         kThin_Weight        = 100,
     17         kExtraLight_Weight  = 200,
     18         kLight_Weight       = 300,
     19         kNormal_Weight      = 400,
     20         kMedium_Weight      = 500,
     21         kSemiBold_Weight    = 600,
     22         kBold_Weight        = 700,
     23         kExtraBold_Weight   = 800,
     24         kBlack_Weight       = 900
     25     };
     26 
     27     enum Width {
     28         kUltraCondensed_Width   = 1,
     29         kExtraCondensed_Width   = 2,
     30         kCondensed_Width        = 3,
     31         kSemiCondensed_Width    = 4,
     32         kNormal_Width           = 5,
     33         kSemiExpanded_Width     = 6,
     34         kExpanded_Width         = 7,
     35         kExtraExpanded_Width    = 8,
     36         kUltaExpanded_Width     = 9
     37     };
     38 
     39     enum Slant {
     40         kUpright_Slant,
     41         kItalic_Slant,
     42     };
     43 
     44     SkFontStyle();
     45     SkFontStyle(int weight, int width, Slant);
     46     /** oldStyle means the style-bits in SkTypeface::Style: bold=1, italic=2 */
     47     explicit SkFontStyle(unsigned oldStyle);
     48 
     49     bool operator==(const SkFontStyle& rhs) const {
     50         return fUnion.fU32 == rhs.fUnion.fU32;
     51     }
     52 
     53     int weight() const { return fUnion.fR.fWeight; }
     54     int width() const { return fUnion.fR.fWidth; }
     55     Slant slant() const { return (Slant)fUnion.fR.fSlant; }
     56 
     57     bool isItalic() const {
     58         return kItalic_Slant == fUnion.fR.fSlant;
     59     }
     60 
     61 private:
     62     union {
     63         struct {
     64             uint16_t fWeight;   // 100 .. 900
     65             uint8_t  fWidth;    // 1 .. 9
     66             uint8_t  fSlant;    // 0 .. 2
     67         } fR;
     68         uint32_t    fU32;
     69     } fUnion;
     70 };
     71 
     72 #endif
     73