Змінюйте прості значення в метаданих XMP EPS |C++

 1// For complete examples and data files, please go to https://github.com/aspose-page/Aspose.Page-for-C  2// The path to the documents directory.  3System::String dataDir = RunExamples::GetDataDir_WorkingWithXMPMetadataInEPS();  4// Initialize EPS file input stream  5System::SharedPtr<System::IO::FileStream> psStream = System::MakeObject<System::IO::FileStream>(dataDir + u"get_input.eps", System::IO::FileMode::Open, System::IO::FileAccess::Read);  6// Create PsDocument instance from stream  7System::SharedPtr<PsDocument> document = System::MakeObject<PsDocument>(psStream);  8  9 10{ 11 auto __finally_guard_0 = ::System::MakeScopeGuard([&psStream]() 12 { 13 psStream->Close(); 14 }); 15 16 try 17 { 18 // Get XMP metadata. If EPS file doesn't contain XMP metadata we get new one filled with values from PS metadata comments (%%Creator, %%CreateDate, %%Title etc) 19 System::SharedPtr<XmpMetadata> xmp = document->GetXmpMetadata(); 20 21 //Change XMP metadata values 22 23 24 // Change ModifyDate value 25 System::DateTime now = System::DateTime::get_UtcNow(); 26 xmp->idx_set(u"xmp:ModifyDate", XmpValue::to_XmpValue(now)); 27 28 // Change Creator value 29 System::SharedPtr<XmpValue> value = System::MakeObject<XmpValue>(u"Aspose.Page"); 30 xmp->Add(u"dc:creator", value); 31 32 // Change Title value 33 value = System::MakeObject<XmpValue>(u"(PAGEJAVA-29.eps)"); 34 xmp->Add(u"dc:title", value); 35 36 // Save EPS file with changed XMP metadata 37 38 // Create ouput stream 39 System::SharedPtr<System::IO::FileStream> outPsStream = System::MakeObject<System::IO::FileStream>(RunExamples::GetOutDir() + u"change_values_output.eps", System::IO::FileMode::Create, System::IO::FileAccess::Write); 40 41 // Save EPS file 42 43 { 44 auto __finally_guard_1 = ::System::MakeScopeGuard([&outPsStream]() 45 { 46 outPsStream->Close(); 47 }); 48 49 try 50 { 51 document->Save(outPsStream); 52 outPsStream->Flush(); 53 } 54 catch (...) 55 { 56 throw; 57 } 58 } 59 60 } 61 catch (...) 62 { 63 throw; 64 } 65}