Index: skia/animator/SkDisplayMath.cpp |
=================================================================== |
--- skia/animator/SkDisplayMath.cpp (revision 16859) |
+++ skia/animator/SkDisplayMath.cpp (working copy) |
@@ -1,248 +0,0 @@ |
-/* libs/graphics/animator/SkDisplayMath.cpp |
-** |
-** 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. |
-*/ |
- |
-#include "SkDisplayMath.h" |
- |
-enum SkDisplayMath_Properties { |
- SK_PROPERTY(E), |
- SK_PROPERTY(LN10), |
- SK_PROPERTY(LN2), |
- SK_PROPERTY(LOG10E), |
- SK_PROPERTY(LOG2E), |
- SK_PROPERTY(PI), |
- SK_PROPERTY(SQRT1_2), |
- SK_PROPERTY(SQRT2) |
-}; |
- |
-const SkScalar SkDisplayMath::gConstants[] = { |
-#ifdef SK_SCALAR_IS_FLOAT |
- 2.718281828f, // E |
- 2.302585093f, // LN10 |
- 0.693147181f, // LN2 |
- 0.434294482f, // LOG10E |
- 1.442695041f, // LOG2E |
- 3.141592654f, // PI |
- 0.707106781f, // SQRT1_2 |
- 1.414213562f // SQRT2 |
-#else |
- 0x2B7E1, // E |
- 0x24D76, // LN10 |
- 0xB172, // LN2 |
- 0x6F2E, // LOG10E |
- 0x17154, // LOG2E |
- 0x3243F, // PI |
- 0xB505, // SQRT1_2 |
- 0x16A0A // SQRT2 |
-#endif |
-}; |
- |
-enum SkDisplayMath_Functions { |
- SK_FUNCTION(abs), |
- SK_FUNCTION(acos), |
- SK_FUNCTION(asin), |
- SK_FUNCTION(atan), |
- SK_FUNCTION(atan2), |
- SK_FUNCTION(ceil), |
- SK_FUNCTION(cos), |
- SK_FUNCTION(exp), |
- SK_FUNCTION(floor), |
- SK_FUNCTION(log), |
- SK_FUNCTION(max), |
- SK_FUNCTION(min), |
- SK_FUNCTION(pow), |
- SK_FUNCTION(random), |
- SK_FUNCTION(round), |
- SK_FUNCTION(sin), |
- SK_FUNCTION(sqrt), |
- SK_FUNCTION(tan) |
-}; |
- |
-const SkFunctionParamType SkDisplayMath::fFunctionParameters[] = { |
- (SkFunctionParamType) SkType_Float, // abs |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // acos |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // asin |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // atan |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // atan2 |
- (SkFunctionParamType) SkType_Float, |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // ceil |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // cos |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // exp |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // floor |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // log |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Array, // max |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Array, // min |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // pow |
- (SkFunctionParamType) SkType_Float, |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // random |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // round |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // sin |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // sqrt |
- (SkFunctionParamType) 0, |
- (SkFunctionParamType) SkType_Float, // tan |
- (SkFunctionParamType) 0 |
-}; |
- |
-#if SK_USE_CONDENSED_INFO == 0 |
- |
-const SkMemberInfo SkDisplayMath::fInfo[] = { |
- SK_MEMBER_PROPERTY(E, Float), |
- SK_MEMBER_PROPERTY(LN10, Float), |
- SK_MEMBER_PROPERTY(LN2, Float), |
- SK_MEMBER_PROPERTY(LOG10E, Float), |
- SK_MEMBER_PROPERTY(LOG2E, Float), |
- SK_MEMBER_PROPERTY(PI, Float), |
- SK_MEMBER_PROPERTY(SQRT1_2, Float), |
- SK_MEMBER_PROPERTY(SQRT2, Float), |
- SK_MEMBER_FUNCTION(abs, Float), |
- SK_MEMBER_FUNCTION(acos, Float), |
- SK_MEMBER_FUNCTION(asin, Float), |
- SK_MEMBER_FUNCTION(atan, Float), |
- SK_MEMBER_FUNCTION(atan2, Float), |
- SK_MEMBER_FUNCTION(ceil, Float), |
- SK_MEMBER_FUNCTION(cos, Float), |
- SK_MEMBER_FUNCTION(exp, Float), |
- SK_MEMBER_FUNCTION(floor, Float), |
- SK_MEMBER_FUNCTION(log, Float), |
- SK_MEMBER_FUNCTION(max, Float), |
- SK_MEMBER_FUNCTION(min, Float), |
- SK_MEMBER_FUNCTION(pow, Float), |
- SK_MEMBER_FUNCTION(random, Float), |
- SK_MEMBER_FUNCTION(round, Float), |
- SK_MEMBER_FUNCTION(sin, Float), |
- SK_MEMBER_FUNCTION(sqrt, Float), |
- SK_MEMBER_FUNCTION(tan, Float) |
-}; |
- |
-#endif |
- |
-DEFINE_GET_MEMBER(SkDisplayMath); |
- |
-void SkDisplayMath::executeFunction(SkDisplayable* target, int index, |
- SkTDArray<SkScriptValue>& parameters, SkDisplayTypes type, |
- SkScriptValue* scriptValue) { |
- if (scriptValue == NULL) |
- return; |
- SkASSERT(target == this); |
- SkScriptValue* array = parameters.begin(); |
- SkScriptValue* end = parameters.end(); |
- SkScalar input = parameters[0].fOperand.fScalar; |
- SkScalar scalarResult; |
- switch (index) { |
- case SK_FUNCTION(abs): |
- scalarResult = SkScalarAbs(input); |
- break; |
- case SK_FUNCTION(acos): |
- scalarResult = SkScalarACos(input); |
- break; |
- case SK_FUNCTION(asin): |
- scalarResult = SkScalarASin(input); |
- break; |
- case SK_FUNCTION(atan): |
- scalarResult = SkScalarATan2(input, SK_Scalar1); |
- break; |
- case SK_FUNCTION(atan2): |
- scalarResult = SkScalarATan2(input, parameters[1].fOperand.fScalar); |
- break; |
- case SK_FUNCTION(ceil): |
- scalarResult = SkIntToScalar(SkScalarCeil(input)); |
- break; |
- case SK_FUNCTION(cos): |
- scalarResult = SkScalarCos(input); |
- break; |
- case SK_FUNCTION(exp): |
- scalarResult = SkScalarExp(input); |
- break; |
- case SK_FUNCTION(floor): |
- scalarResult = SkIntToScalar(SkScalarFloor(input)); |
- break; |
- case SK_FUNCTION(log): |
- scalarResult = SkScalarLog(input); |
- break; |
- case SK_FUNCTION(max): |
- scalarResult = -SK_ScalarMax; |
- while (array < end) { |
- scalarResult = SkMaxScalar(scalarResult, array->fOperand.fScalar); |
- array++; |
- } |
- break; |
- case SK_FUNCTION(min): |
- scalarResult = SK_ScalarMax; |
- while (array < end) { |
- scalarResult = SkMinScalar(scalarResult, array->fOperand.fScalar); |
- array++; |
- } |
- break; |
- case SK_FUNCTION(pow): |
- // not the greatest -- but use x^y = e^(y * ln(x)) |
- scalarResult = SkScalarLog(input); |
- scalarResult = SkScalarMul(parameters[1].fOperand.fScalar, scalarResult); |
- scalarResult = SkScalarExp(scalarResult); |
- break; |
- case SK_FUNCTION(random): |
- scalarResult = fRandom.nextUScalar1(); |
- break; |
- case SK_FUNCTION(round): |
- scalarResult = SkIntToScalar(SkScalarRound(input)); |
- break; |
- case SK_FUNCTION(sin): |
- scalarResult = SkScalarSin(input); |
- break; |
- case SK_FUNCTION(sqrt): { |
- SkASSERT(parameters.count() == 1); |
- SkASSERT(type == SkType_Float); |
- scalarResult = SkScalarSqrt(input); |
- } break; |
- case SK_FUNCTION(tan): |
- scalarResult = SkScalarTan(input); |
- break; |
- default: |
- SkASSERT(0); |
- scalarResult = SK_ScalarNaN; |
- } |
- scriptValue->fOperand.fScalar = scalarResult; |
- scriptValue->fType = SkType_Float; |
-} |
- |
-const SkFunctionParamType* SkDisplayMath::getFunctionsParameters() { |
- return fFunctionParameters; |
-} |
- |
-bool SkDisplayMath::getProperty(int index, SkScriptValue* value) const { |
- if ((unsigned)index < SK_ARRAY_COUNT(gConstants)) { |
- value->fOperand.fScalar = gConstants[index]; |
- value->fType = SkType_Float; |
- return true; |
- } |
- SkASSERT(0); |
- return false; |
-} |