コード例 #1
0
        public void UpdateXMPData()
        {
            try
            {
                //ExStart:UpdateXMP
                // path to the modified file
                string filePath = "Images/Jpeg/sample.jpg";

                // get xmp wrapper
                XmpPacketWrapper xmpWrapper = MetadataUtility.ExtractXmpPackage(filePath);

                // if wrapper is null
                if (xmpWrapper == null)
                {
                    // create it
                    xmpWrapper = new XmpPacketWrapper();
                }

                // create package
                XmpPackage addingSchema = new XmpPackage("rs", "http://www.metadataworkinggroup.com/schemas/regions/");

                // set date property
                addingSchema.AddValue("rs:createdDate", DateTime.UtcNow);

                // set string property
                addingSchema.AddValue("rs:File", "File name");

                //initialze unordered xmp array
                XmpArray managersArray = new XmpArray(XmpArrayType.UNORDERED);
                managersArray.AddItem("Joe Doe");
                managersArray.AddItem("Adam White");

                // set array property
                addingSchema.SetArray("rs:managers", managersArray);

                // initialize xmp language alternative
                LangAlt availableDays = new LangAlt();
                // add first value for 'en-us' language
                availableDays.AddLanguage("en-us", "Tue");
                // add second value for 'en-us' languge
                availableDays.AddLanguage("en-us", "Fri");

                // set LangAlt property
                addingSchema.SetLangAlt("rs:days", availableDays);

                // update xmp wrapper with new schema
                xmpWrapper.AddPackage(addingSchema);

                // create XmpMetadata with updated wrapper
                XmpMetadata xmpMetadata = new XmpMetadata();
                xmpMetadata.XmpPacket = xmpWrapper;

                // update XMP
                MetadataUtility.UpdateMetadata(filePath, xmpMetadata);
                //ExEnd:UpdateXMP
            }
            catch (Exception exp)
            {

            }
        }
コード例 #2
0
        public void CreateDerivedXMPTypes()
        {
            //ExStart:CreateXMPGuid
            // init new C# struct Guid
            Guid guid = Guid.NewGuid();

            // create xmp guid using C# struct
            XmpGuid xmpGuid = new XmpGuid(guid);

            // create xmp guid using it's string representation
            XmpGuid xmpGuid2 = new XmpGuid(guid.ToString());
            //ExEnd:CreateXMPGuid
            

            //ExStart:CreateRational
            int numerator = 1;
            int denominator = 10;

            // create xmp rational
            Rational rational = new Rational(numerator, denominator);

            // float value should be 0.1
            float value = rational.FloatValue;
            //ExEnd:CreateRational

            
            //ExStart:CreateLanguageAlternative
            // init LangAlt with default value
            LangAlt langAlt = new LangAlt("XMP - Extensible Metadata Platform");

            // add value for en-us language
            langAlt.AddLanguage("en-us", "XMP - Extensible Metadata Platform");

            // add value for French language
            langAlt.AddLanguage("fr", "XMP - Une Platforme Extensible pour les Métadonnées");
            //ExEnd:CreateLanguageAlternative

        }