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1 #ifndef SkPM_DEFINED | 1 #ifndef SkPM_DEFINED |
2 #define SkPM_DEFINED | 2 #define SkPM_DEFINED |
3 | 3 |
4 #include "SkTypes.h" | 4 #include "SkTypes.h" |
5 #include "SkColor.h" | 5 #include "SkColor.h" |
6 #include "Sk4x.h" | 6 #include "Sk4x.h" |
7 | 7 |
8 // A pre-multiplied color storing each component as a float in the range [0, 255
]. | 8 // A pre-multiplied color storing each component as a float in the range [0, 255
]. |
9 class SK_STRUCT_ALIGN(16) SkPMFloat { | 9 class SK_STRUCT_ALIGN(16) SkPMFloat { |
10 public: | 10 public: |
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22 float g() const { return fColor[SK_G32_SHIFT / 8]; } | 22 float g() const { return fColor[SK_G32_SHIFT / 8]; } |
23 float b() const { return fColor[SK_B32_SHIFT / 8]; } | 23 float b() const { return fColor[SK_B32_SHIFT / 8]; } |
24 | 24 |
25 void setA(float val) { fColor[SK_A32_SHIFT / 8] = val; } | 25 void setA(float val) { fColor[SK_A32_SHIFT / 8] = val; } |
26 void setR(float val) { fColor[SK_R32_SHIFT / 8] = val; } | 26 void setR(float val) { fColor[SK_R32_SHIFT / 8] = val; } |
27 void setG(float val) { fColor[SK_G32_SHIFT / 8] = val; } | 27 void setG(float val) { fColor[SK_G32_SHIFT / 8] = val; } |
28 void setB(float val) { fColor[SK_B32_SHIFT / 8] = val; } | 28 void setB(float val) { fColor[SK_B32_SHIFT / 8] = val; } |
29 | 29 |
30 void set(SkPMColor); | 30 void set(SkPMColor); |
31 | 31 |
| 32 // get() and clamped() round component values to the nearest integer. |
32 SkPMColor get() const; // May SkASSERT(this->isValid()). Some implemen
tations may clamp. | 33 SkPMColor get() const; // May SkASSERT(this->isValid()). Some implemen
tations may clamp. |
33 SkPMColor clamped() const; // Will clamp all values to [0, 255]. Then may
assert isValid(). | 34 SkPMColor clamped() const; // Will clamp all values to [0, 255]. Then may
assert isValid(). |
34 | 35 |
35 bool isValid() const { | 36 bool isValid() const { |
36 return this->a() >= 0 && this->a() <= 255 | 37 return this->a() >= 0 && this->a() <= 255 |
37 && this->r() >= 0 && this->r() <= this->a() | 38 && this->r() >= 0 && this->r() <= this->a() |
38 && this->g() >= 0 && this->g() <= this->a() | 39 && this->g() >= 0 && this->g() <= this->a() |
39 && this->b() >= 0 && this->b() <= this->a(); | 40 && this->b() >= 0 && this->b() <= this->a(); |
40 } | 41 } |
41 | 42 |
42 private: | 43 private: |
43 // We mirror SkPMColor order only to make set()/get()/clamped() as fast as p
ossible. | 44 // We mirror SkPMColor order only to make set()/get()/clamped() as fast as p
ossible. |
44 float fColor[4]; | 45 float fColor[4]; |
45 }; | 46 }; |
46 | 47 |
47 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 | 48 #if SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2 |
48 #include "../opts/SkPMFloat_SSE2.h" | 49 #include "../opts/SkPMFloat_SSE2.h" |
49 #elif defined(__ARM_NEON__) | 50 #elif defined(__ARM_NEON__) |
50 #include "../opts/SkPMFloat_neon.h" | 51 #include "../opts/SkPMFloat_neon.h" |
51 #else | 52 #else |
52 #include "../opts/SkPMFloat_none.h" | 53 #include "../opts/SkPMFloat_none.h" |
53 #endif | 54 #endif |
54 | 55 |
55 #endif//SkPM_DEFINED | 56 #endif//SkPM_DEFINED |
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