1 /* libs/graphics/animator/SkDisplayNumber.cpp 2 ** 3 ** Copyright 2006, The Android Open Source Project 4 ** 5 ** Licensed under the Apache License, Version 2.0 (the "License"); 6 ** you may not use this file except in compliance with the License. 7 ** You may obtain a copy of the License at 8 ** 9 ** http://www.apache.org/licenses/LICENSE-2.0 10 ** 11 ** Unless required by applicable law or agreed to in writing, software 12 ** distributed under the License is distributed on an "AS IS" BASIS, 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 ** See the License for the specific language governing permissions and 15 ** limitations under the License. 16 */ 17 18 #include "SkDisplayNumber.h" 19 20 enum SkDisplayNumber_Properties { 21 SK_PROPERTY(MAX_VALUE), 22 SK_PROPERTY(MIN_VALUE), 23 SK_PROPERTY(NEGATIVE_INFINITY), 24 SK_PROPERTY(NaN), 25 SK_PROPERTY(POSITIVE_INFINITY) 26 }; 27 28 #if SK_USE_CONDENSED_INFO == 0 29 30 const SkMemberInfo SkDisplayNumber::fInfo[] = { 31 SK_MEMBER_PROPERTY(MAX_VALUE, Float), 32 SK_MEMBER_PROPERTY(MIN_VALUE, Float), 33 SK_MEMBER_PROPERTY(NEGATIVE_INFINITY, Float), 34 SK_MEMBER_PROPERTY(NaN, Float), 35 SK_MEMBER_PROPERTY(POSITIVE_INFINITY, Float) 36 }; 37 38 #endif 39 40 DEFINE_GET_MEMBER(SkDisplayNumber); 41 42 bool SkDisplayNumber::getProperty(int index, SkScriptValue* value) const { 43 SkScalar constant; 44 switch (index) { 45 case SK_PROPERTY(MAX_VALUE): 46 constant = SK_ScalarMax; 47 break; 48 case SK_PROPERTY(MIN_VALUE): 49 constant = SK_ScalarMin; 50 break; 51 case SK_PROPERTY(NEGATIVE_INFINITY): 52 constant = -SK_ScalarInfinity; 53 break; 54 case SK_PROPERTY(NaN): 55 constant = SK_ScalarNaN; 56 break; 57 case SK_PROPERTY(POSITIVE_INFINITY): 58 constant = SK_ScalarInfinity; 59 break; 60 default: 61 SkASSERT(0); 62 return false; 63 } 64 value->fOperand.fScalar = constant; 65 value->fType = SkType_Float; 66 return true; 67 } 68