michael@0: 
michael@0: /*
michael@0:  * Copyright 2006 The Android Open Source Project
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: 
michael@0: #include "SkDisplayNumber.h"
michael@0: 
michael@0: enum SkDisplayNumber_Properties {
michael@0:     SK_PROPERTY(MAX_VALUE),
michael@0:     SK_PROPERTY(MIN_VALUE),
michael@0:     SK_PROPERTY(NEGATIVE_INFINITY),
michael@0:     SK_PROPERTY(NaN),
michael@0:     SK_PROPERTY(POSITIVE_INFINITY)
michael@0: };
michael@0: 
michael@0: #if SK_USE_CONDENSED_INFO == 0
michael@0: 
michael@0: const SkMemberInfo SkDisplayNumber::fInfo[] = {
michael@0:     SK_MEMBER_PROPERTY(MAX_VALUE, Float),
michael@0:     SK_MEMBER_PROPERTY(MIN_VALUE, Float),
michael@0:     SK_MEMBER_PROPERTY(NEGATIVE_INFINITY, Float),
michael@0:     SK_MEMBER_PROPERTY(NaN, Float),
michael@0:     SK_MEMBER_PROPERTY(POSITIVE_INFINITY, Float)
michael@0: };
michael@0: 
michael@0: #endif
michael@0: 
michael@0: DEFINE_GET_MEMBER(SkDisplayNumber);
michael@0: 
michael@0: #if defined _WIN32
michael@0: #pragma warning ( push )
michael@0: // we are intentionally causing an overflow here
michael@0: //      (warning C4756: overflow in constant arithmetic)
michael@0: #pragma warning ( disable : 4756 )
michael@0: #endif
michael@0: 
michael@0: bool SkDisplayNumber::getProperty(int index, SkScriptValue* value) const {
michael@0:     SkScalar constant;
michael@0:     switch (index) {
michael@0:         case SK_PROPERTY(MAX_VALUE):
michael@0:             constant = SK_ScalarMax;
michael@0:         break;
michael@0:         case SK_PROPERTY(MIN_VALUE):
michael@0:             constant = SK_ScalarMin;
michael@0:         break;
michael@0:         case SK_PROPERTY(NEGATIVE_INFINITY):
michael@0:             constant = -SK_ScalarInfinity;
michael@0:         break;
michael@0:         case SK_PROPERTY(NaN):
michael@0:             constant = SK_ScalarNaN;
michael@0:         break;
michael@0:         case SK_PROPERTY(POSITIVE_INFINITY):
michael@0:             constant = SK_ScalarInfinity;
michael@0:         break;
michael@0:         default:
michael@0:             SkASSERT(0);
michael@0:             return false;
michael@0:     }
michael@0:     value->fOperand.fScalar = constant;
michael@0:     value->fType = SkType_Float;
michael@0:     return true;
michael@0: }
michael@0: 
michael@0: #if defined _WIN32
michael@0: #pragma warning ( pop )
michael@0: #endif