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 
weight()53     int weight() const { return fUnion.fR.fWeight; }
width()54     int width() const { return fUnion.fR.fWidth; }
slant()55     Slant slant() const { return (Slant)fUnion.fR.fSlant; }
56 
isItalic()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