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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2008 The Android Open Source Project | 3 * Copyright 2008 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkFloat_DEFINED | 10 #ifndef SkFloat_DEFINED |
11 #define SkFloat_DEFINED | 11 #define SkFloat_DEFINED |
12 | 12 |
13 #include "SkFixed.h" | 13 #include "SkFixed.h" |
14 | 14 |
15 class SkFloat { | 15 class SkFloat { |
16 public: | 16 public: |
17 SkFloat() {} | 17 SkFloat() {} |
18 | 18 |
19 void setZero() { fPacked = 0; } | 19 void setZero() { fPacked = 0; } |
20 // void setShift(int value, int shift) { fPacked = SetShift(value, shift); } | 20 // void setShift(int value, int shift) { fPacked = SetShift(value, shift); } |
21 void setInt(int value) { fPacked = SetShift(value, 0); } | 21 void setInt(int value) { fPacked = SetShift(value, 0); } |
22 void setFixed(SkFixed value) { fPacked = SetShift(value, -16); } | 22 void setFixed(SkFixed value) { fPacked = SetShift(value, -16); } |
23 void setFract(SkFract value) { fPacked = SetShift(value, -30); } | |
24 | 23 |
25 // int getShift(int shift) const { return GetShift(fPacked, shift); } | 24 // int getShift(int shift) const { return GetShift(fPacked, shift); } |
26 int getInt() const { return GetShift(fPacked, 0); } | 25 int getInt() const { return GetShift(fPacked, 0); } |
27 SkFixed getFixed() const { return GetShift(fPacked, -16); } | 26 SkFixed getFixed() const { return GetShift(fPacked, -16); } |
28 SkFract getFract() const { return GetShift(fPacked, -30); } | |
29 | 27 |
30 void abs() { fPacked = Abs(fPacked); } | 28 void abs() { fPacked = Abs(fPacked); } |
31 void negate() { fPacked = Neg(fPacked); } | 29 void negate() { fPacked = Neg(fPacked); } |
32 | 30 |
33 void shiftLeft(int bits) { fPacked = Shift(fPacked, bits); } | 31 void shiftLeft(int bits) { fPacked = Shift(fPacked, bits); } |
34 void setShiftLeft(const SkFloat& a, int bits) { fPacked = Shift(a.fPacked
, bits); } | 32 void setShiftLeft(const SkFloat& a, int bits) { fPacked = Shift(a.fPacked
, bits); } |
35 | 33 |
36 void shiftRight(int bits) { fPacked = Shift(fPacked, -bits); } | 34 void shiftRight(int bits) { fPacked = Shift(fPacked, -bits); } |
37 void setShiftRight(const SkFloat& a, int bits) { fPacked = Shift(a.fPacke
d, -bits); } | 35 void setShiftRight(const SkFloat& a, int bits) { fPacked = Shift(a.fPacke
d, -bits); } |
38 | 36 |
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100 static int32_t MulInt(int32_t, int); | 98 static int32_t MulInt(int32_t, int); |
101 static int32_t Div(int32_t, int32_t); | 99 static int32_t Div(int32_t, int32_t); |
102 static int32_t DivInt(int32_t, int); | 100 static int32_t DivInt(int32_t, int); |
103 static int32_t Invert(int32_t); | 101 static int32_t Invert(int32_t); |
104 static int32_t Sqrt(int32_t); | 102 static int32_t Sqrt(int32_t); |
105 static int32_t CubeRoot(int32_t); | 103 static int32_t CubeRoot(int32_t); |
106 static int Cmp(int32_t, int32_t); | 104 static int Cmp(int32_t, int32_t); |
107 }; | 105 }; |
108 | 106 |
109 #endif | 107 #endif |
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