| /* libs/graphics/sgl/SkFP.h |
| ** |
| ** Copyright 2006, The Android Open Source Project |
| ** |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| */ |
| |
| #ifndef SkFP_DEFINED |
| #define SkFP_DEFINED |
| |
| #include "SkMath.h" |
| |
| #ifdef SK_SCALAR_IS_FLOAT |
| |
| typedef float SkFP; |
| |
| #define SkScalarToFP(n) (n) |
| #define SkFPToScalar(n) (n) |
| #define SkIntToFP(n) SkIntToScalar(n) |
| #define SkFPRound(x) SkScalarRound(n) |
| #define SkFPCeil(x) SkScalarCeil(n) |
| #define SkFPFloor(x) SkScalarFloor(n) |
| |
| #define SkFPNeg(x) (-(x)) |
| #define SkFPAbs(x) SkScalarAbs(x) |
| #define SkFPAdd(a, b) ((a) + (b)) |
| #define SkFPSub(a, b) ((a) - (b)) |
| #define SkFPMul(a, b) ((a) * (b)) |
| #define SkFPMulInt(a, n) ((a) * (n)) |
| #define SkFPDiv(a, b) ((a) / (b)) |
| #define SkFPDivInt(a, n) ((a) / (n)) |
| #define SkFPInvert(x) SkScalarInvert(x) |
| #define SkFPSqrt(x) SkScalarSqrt(x) |
| #define SkFPCubeRoot(x) sk_float_pow(x, 0.3333333f) |
| |
| #define SkFPLT(a, b) ((a) < (b)) |
| #define SkFPLE(a, b) ((a) <= (b)) |
| #define SkFPGT(a, b) ((a) > (b)) |
| #define SkFPGE(a, b) ((a) >= (b)) |
| |
| #else // scalar is fixed |
| |
| #include "SkFloat.h" |
| |
| typedef int32_t SkFP; |
| |
| #define SkScalarToFP(n) SkFloat::SetShift(n, -16) |
| #define SkFPToScalar(n) SkFloat::GetShift(n, -16) |
| #define SkIntToFP(n) SkFloat::SetShift(n, 0) |
| #define SkFPRound(x) SkFloat::Round(x); |
| #define SkFPCeil(x) SkFloat::Ceil(); |
| #define SkFPFloor(x) SkFloat::Floor(); |
| |
| #define SkFPNeg(x) SkFloat::Neg(x) |
| #define SkFPAbs(x) SkFloat::Abs(x) |
| #define SkFPAdd(a, b) SkFloat::Add(a, b) |
| #define SkFPSub(a, b) SkFloat::Add(a, SkFloat::Neg(b)) |
| #define SkFPMul(a, b) SkFloat::Mul(a, b) |
| #define SkFPMulInt(a, n) SkFloat::MulInt(a, n) |
| #define SkFPDiv(a, b) SkFloat::Div(a, b) |
| #define SkFPDivInt(a, n) SkFloat::DivInt(a, n) |
| #define SkFPInvert(x) SkFloat::Invert(x) |
| #define SkFPSqrt(x) SkFloat::Sqrt(x) |
| #define SkFPCubeRoot(x) SkFloat::CubeRoot(x) |
| |
| #define SkFPLT(a, b) (SkFloat::Cmp(a, b) < 0) |
| #define SkFPLE(a, b) (SkFloat::Cmp(a, b) <= 0) |
| #define SkFPGT(a, b) (SkFloat::Cmp(a, b) > 0) |
| #define SkFPGE(a, b) (SkFloat::Cmp(a, b) >= 0) |
| |
| #endif |
| |
| #ifdef SK_DEBUG |
| void SkFP_UnitTest(); |
| #endif |
| |
| #endif |