mirror of https://github.com/axmolengine/axmol.git
88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
/* 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
|