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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkValue_DEFINED | 8 #ifndef SkValue_DEFINED |
9 #define SkValue_DEFINED | 9 #define SkValue_DEFINED |
10 | 10 |
11 #include "SkTypes.h" | 11 #include "SkTypes.h" |
12 #include <functional> | 12 #include <functional> |
13 | 13 |
14 class SkData; | 14 class SkData; |
15 | 15 |
16 class SkValue { | 16 class SkValue { |
17 public: | 17 public: |
18 enum Type : uint32_t { | 18 enum Type : uint32_t { |
19 // 0-255 are reserved for built-in SkValue types. | 19 // 0-255 are reserved for built-in SkValue types. |
20 Null, | 20 Null, |
21 Byte , S16 , U16 , S32 , U32 , S64 , U64 , F32 , F64 , | 21 Byte , S16 , U16 , S32 , U32 , S64 , U64 , F32 , F64 , |
22 Bytes, S16s, U16s, S32s, U32s, S64s, U64s, F32s, F64s, | 22 Bytes, S16s, U16s, S32s, U32s, S64s, U64s, F32s, F64s, |
23 Array, | 23 Array, |
24 | 24 |
25 kMaxBuiltin = 0xFF, | 25 kMaxBuiltin = 0xFF, |
26 // 256-2147483647 may be used by Skia for public Object types. | 26 // 256-2147483647 may be used by Skia for public Object types. |
27 | 27 |
| 28 Image, |
28 Matrix, | 29 Matrix, |
29 | 30 |
30 ArithmeticXfermode, | 31 ArithmeticXfermode, |
31 DefaultXfermode, | 32 DefaultXfermode, |
32 LerpXfermode, | 33 LerpXfermode, |
33 PixelXorXfermode, | 34 PixelXorXfermode, |
34 ProcCoeffXfermode, | 35 ProcCoeffXfermode, |
35 | 36 |
36 kMaxPublicObject = 0x7FFFFFFF, | 37 kMaxPublicObject = 0x7FFFFFFF, |
37 // 2147483648+ won't be used by Skia. They're open for | 38 // 2147483648+ won't be used by Skia. They're open for |
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58 static SkValue FromU32(uint32_t); | 59 static SkValue FromU32(uint32_t); |
59 static SkValue FromF32(float); | 60 static SkValue FromF32(float); |
60 static SkValue FromBytes(SkData*); | 61 static SkValue FromBytes(SkData*); |
61 static SkValue FromU16s(SkData*); | 62 static SkValue FromU16s(SkData*); |
62 static SkValue FromU32s(SkData*); | 63 static SkValue FromU32s(SkData*); |
63 static SkValue FromF32s(SkData*); | 64 static SkValue FromF32s(SkData*); |
64 static SkValue ValueArray(); | 65 static SkValue ValueArray(); |
65 static SkValue Object(Type); | 66 static SkValue Object(Type); |
66 | 67 |
67 Type type() const { return fType; } | 68 Type type() const { return fType; } |
| 69 bool isData() const { |
| 70 return Bytes == fType |
| 71 || U16s == fType |
| 72 || U32s == fType |
| 73 || F32s == fType; |
| 74 } |
68 | 75 |
69 // These remaining methods may assert they're called on a value of the appro
priate type. | 76 // These remaining methods may assert they're called on a value of the appro
priate type. |
70 | 77 |
71 int32_t s32() const; | 78 int32_t s32() const; |
72 uint32_t u32() const; | 79 uint32_t u32() const; |
73 float f32() const; | 80 float f32() const; |
74 SkData* bytes() const; | 81 SkData* bytes() const; |
75 | 82 |
76 const uint16_t* u16s(int* count) const; | 83 const uint16_t* u16s(int* count) const; |
77 const uint32_t* u32s(int* count) const; | 84 const uint32_t* u32s(int* count) const; |
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96 int32_t fS32; | 103 int32_t fS32; |
97 uint32_t fU32; | 104 uint32_t fU32; |
98 float fF32; | 105 float fF32; |
99 SkData* fBytes; | 106 SkData* fBytes; |
100 Obj* fObject; | 107 Obj* fObject; |
101 Arr* fArray; | 108 Arr* fArray; |
102 }; | 109 }; |
103 | 110 |
104 SkValue(Type); | 111 SkValue(Type); |
105 bool isObject() const { return fType > kMaxBuiltin; } | 112 bool isObject() const { return fType > kMaxBuiltin; } |
106 bool isData() const { | |
107 return Bytes == fType | |
108 || U16s == fType | |
109 || U32s == fType | |
110 || F32s == fType; | |
111 } | |
112 template <typename T> static SkValue FromT(SkValue::Type, T SkValue::*, T); | 113 template <typename T> static SkValue FromT(SkValue::Type, T SkValue::*, T); |
113 template <typename T> static SkValue FromTs(SkValue::Type, SkData*); | 114 template <typename T> static SkValue FromTs(SkValue::Type, SkData*); |
114 template <typename T> const T* asTs(SkValue::Type, int*) const; | 115 template <typename T> const T* asTs(SkValue::Type, int*) const; |
115 }; | 116 }; |
116 | 117 |
117 #endif // SkValue_DEFINED | 118 #endif // SkValue_DEFINED |
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