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IAICopyScope.hGo to the documentation of this file.00001 #ifndef _IAICOPYSCOPE_H_ 00002 #define _IAICOPYSCOPE_H_ 00003 00004 /* 00005 * Name: IAICopyScope.h 00006 * $Revision: 1 $ 00007 * Author: 00008 * Date: 00009 * Purpose: Wrapper class for AIArt copy scope objects. 00010 * 00011 * ADOBE SYSTEMS INCORPORATED 00012 * Copyright 2003-2007 Adobe Systems Incorporated. 00013 * All rights reserved. 00014 * 00015 * NOTICE: Adobe permits you to use, modify, and distribute this file 00016 * in accordance with the terms of the Adobe license agreement 00017 * accompanying it. If you have received this file from a source other 00018 * than Adobe, then your use, modification, or distribution of it 00019 * requires the prior written permission of Adobe. 00020 * 00021 */ 00022 00023 #include "AIArt.h" 00024 #include <exception> 00025 00026 namespace ai { 00027 00030 #define kAICopyScopeAlreadyInitialized 'CSAI' 00031 00045 class CopyScope { 00046 00047 public: 00051 CopyScope() AINOTHROW 00052 : fScope(0) 00053 {} 00054 00059 explicit CopyScope(AICopyScopeKind kind) 00060 : fScope(0) 00061 { 00062 Initialize(kind); 00063 } 00064 00069 ~CopyScope() 00070 { 00071 if (IsValid()) 00072 { 00073 (void) Terminate(std::nothrow); 00074 } 00075 } 00076 00080 bool IsValid() const AINOTHROW 00081 { 00082 return fScope != 0; 00083 } 00084 00090 AIErr Initialize(AICopyScopeKind kind, const std::nothrow_t&) AINOTHROW 00091 { 00092 AIErr result = kNoErr; 00093 00094 if (!IsValid()) 00095 { 00096 result = sAIArt->CreateCopyScope(kind, &fScope); 00097 } 00098 else 00099 { 00100 result = kAICopyScopeAlreadyInitialized; 00101 } 00102 00103 return result; 00104 } 00105 00110 void Initialize(AICopyScopeKind kind) 00111 { 00112 AIErr result = Initialize(kind, std::nothrow); 00113 if ( result ) 00114 throw ai::Error(result); 00115 } 00116 00122 AIErr Terminate(const std::nothrow_t&) AINOTHROW 00123 { 00124 AIErr result = kNoErr; 00125 00126 if (IsValid()) 00127 { 00128 result = sAIArt->DestroyCopyScope(fScope); 00129 fScope = 0; 00130 } 00131 00132 return result; 00133 } 00134 00140 void Terminate() 00141 { 00142 AIErr result = Terminate(std::nothrow); 00143 if ( result ) 00144 throw ai::Error(result); 00145 } 00146 00147 private: 00149 CopyScope(const CopyScope& scope); 00151 CopyScope& operator= (const CopyScope& scope); 00152 00153 private: 00154 AICopyScopeHandle fScope; 00155 }; 00156 00157 00158 } // end of namespace ai 00159 00160 00161 #endif // _IAICOPYSCOPE_H_ |
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