当前位置: 首页>>代码示例>>C++>>正文


C++ SXMPMeta::DoesStructFieldExist方法代码示例

本文整理汇总了C++中SXMPMeta::DoesStructFieldExist方法的典型用法代码示例。如果您正苦于以下问题:C++ SXMPMeta::DoesStructFieldExist方法的具体用法?C++ SXMPMeta::DoesStructFieldExist怎么用?C++ SXMPMeta::DoesStructFieldExist使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SXMPMeta的用法示例。


在下文中一共展示了SXMPMeta::DoesStructFieldExist方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main


//.........这里部分代码省略.........
			opts = kXMPFiles_OpenForUpdate | kXMPFiles_OpenUsePacketScanning;
			ok = myFile.OpenFile(filename, kXMP_UnknownFile, opts);
		}


		// If the file is open then read the metadata
		if(ok)
		{
			cout << status << endl;
			cout << filename << " is opened successfully" << endl;
			// Create the xmp object and get the xmp data
			SXMPMeta meta;
			myFile.GetXMP(&meta);

			bool exists;

			// Read a simple property
			string simpleValue;  //Stores the value for the property
			exists = meta.GetProperty(kXMP_NS_XMP, "CreatorTool", &simpleValue, NULL);
			if(exists)
				cout << "CreatorTool = " << simpleValue << endl;
			else
				simpleValue.clear();

			// Get the first element in the dc:creator array
			string elementValue;
			exists = meta.GetArrayItem(kXMP_NS_DC, "creator", 1, &elementValue, NULL);
			if(exists)
				cout << "dc:creator = " << elementValue << endl;
			else
				elementValue.clear();

			// Get the the entire dc:subject array 
			string propValue;
			int arrSize = meta.CountArrayItems(kXMP_NS_DC, "subject");
			for(int i = 1; i <= arrSize;i++)
			{
				meta.GetArrayItem(kXMP_NS_DC, "subject", i, &propValue, 0);
				cout << "dc:subject[" << i << "] = " << propValue << endl;
			}

			// Get the dc:title for English and French
			string itemValue;
			string actualLang;
			meta.GetLocalizedText(kXMP_NS_DC, "title", "en", "en-US", NULL, &itemValue, NULL);
			cout << "dc:title in English = " << itemValue << endl;

			meta.GetLocalizedText(kXMP_NS_DC, "title", "fr", "fr-FR", NULL, &itemValue, NULL);
			cout << "dc:title in French = " << itemValue << endl;

			// Get dc:MetadataDate
			XMP_DateTime myDate;
			if(meta.GetProperty_Date(kXMP_NS_XMP, "MetadataDate", &myDate, NULL))
			{
				// Convert the date struct into a convenient string and display it
				string myDateStr;
				SXMPUtils::ConvertFromDate(myDate, &myDateStr);
				cout << "meta:MetadataDate = " << myDateStr << endl;						 
			}

			// See if the flash struct exists and see if it was used
			string path, value;
			exists = meta.DoesStructFieldExist(kXMP_NS_EXIF, "Flash", kXMP_NS_EXIF,"Fired");
			if(exists)
			{
				bool flashFired;
				SXMPUtils::ComposeStructFieldPath(kXMP_NS_EXIF, "Flash", kXMP_NS_EXIF, "Fired", &path);
				meta.GetProperty_Bool(kXMP_NS_EXIF, path.c_str(), &flashFired, NULL);
				string flash = (flashFired) ? "True" : "False";

				cout << "Flash Used = " << flash << endl;
			}

			// Dump the current xmp object to a file
			ofstream dumpFile;
			dumpFile.open("XMPDump.txt", ios::out);
			meta.DumpObject(DumpXMPToFile, &dumpFile);
			dumpFile.close();
			cout << endl << "XMP dumped to XMPDump.txt" << endl;

			// Close the SXMPFile.  The resource file is already closed if it was
			// opened as read only but this call must still be made.
			myFile.CloseFile();
		}
		else
		{
			cout << "Unable to open " << filename << endl;
		}
	}
	catch(XMP_Error & e)
	{
		cout << "ERROR: " << e.GetErrMsg() << endl;
	}

	// Terminate the toolkit
	SXMPFiles::Terminate();
	SXMPMeta::Terminate();

	return 0;
}
开发者ID:JJWTimmer,项目名称:Uforia,代码行数:101,代码来源:ReadingXMP.cpp


注:本文中的SXMPMeta::DoesStructFieldExist方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。