Line data    Source code

       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             :         kInvisible_Weight   =    0,
      17             :         kThin_Weight        =  100,
      18             :         kExtraLight_Weight  =  200,
      19             :         kLight_Weight       =  300,
      20             :         kNormal_Weight      =  400,
      21             :         kMedium_Weight      =  500,
      22             :         kSemiBold_Weight    =  600,
      23             :         kBold_Weight        =  700,
      24             :         kExtraBold_Weight   =  800,
      25             :         kBlack_Weight       =  900,
      26             :         kExtraBlack_Weight  = 1000,
      27             :     };
      28             : 
      29             :     enum Width {
      30             :         kUltraCondensed_Width   = 1,
      31             :         kExtraCondensed_Width   = 2,
      32             :         kCondensed_Width        = 3,
      33             :         kSemiCondensed_Width    = 4,
      34             :         kNormal_Width           = 5,
      35             :         kSemiExpanded_Width     = 6,
      36             :         kExpanded_Width         = 7,
      37             :         kExtraExpanded_Width    = 8,
      38             :         kUltraExpanded_Width    = 9,
      39             :     };
      40             : 
      41             :     enum Slant {
      42             :         kUpright_Slant,
      43             :         kItalic_Slant,
      44             :         kOblique_Slant,
      45             :     };
      46             : 
      47             :     SkFontStyle();
      48             :     SkFontStyle(int weight, int width, Slant);
      49             : 
      50             :     static SkFontStyle FromOldStyle(unsigned oldStyle);
      51             : 
      52             :     bool operator==(const SkFontStyle& rhs) const {
      53             :         return fUnion.fU32 == rhs.fUnion.fU32;
      54             :     }
      55             : 
      56           0 :     int weight() const { return fUnion.fR.fWeight; }
      57           0 :     int width() const { return fUnion.fR.fWidth; }
      58           0 :     Slant slant() const { return (Slant)fUnion.fR.fSlant; }
      59             : 
      60             : private:
      61             :     union {
      62             :         struct {
      63             :             uint16_t fWeight;   // 100 .. 900
      64             :             uint8_t  fWidth;    // 1 .. 9
      65             :             uint8_t  fSlant;    // 0 .. 2
      66             :         } fR;
      67             :         uint32_t    fU32;
      68             :     } fUnion;
      69             : };
      70             : 
      71             : #endif