Tweaks.

src/xmpsample.cpp

@@ -14,6 +14,14 @@ try {
     // The XMP property container
     Exiv2::XmpData xmpData;
 
+    // -------------------------------------------------------------------------
+    // Teaser: The quickest way to add simple XMP properties using Exiv2
+
+    xmpData["Xmp.dc.source"]  = "xmpsample.cpp";    // a simple text value
+    xmpData["Xmp.dc.subject"] = "Palmtree";         // an array item
+    xmpData["Xmp.dc.subject"] = "Rubbertree";       // add a 2nd array item
+    xmpData["Xmp.dc.title"]   = "lang=en-US Beach"; // a language alternative
+
     // -------------------------------------------------------------------------
     // Exiv2 has specialized values for simple XMP properties, arrays of simple
     // properties and language alternatives.
@@ -36,12 +44,6 @@ try {
     v->read("Hello, World");                 // qualifier
     xmpData.add(Exiv2::XmpKey("Xmp.dc.description"), v.get());
 
-    // Or all of the above but using associative array style syntax
-    xmpData["Xmp.dc.format"] = "image/tiff";      // overwrites existing value
-    xmpData["Xmp.dc.subject"] = "Palmtree";       // adds a new array value 
-    xmpData["Xmp.dc.subject"] = "Rubbertree";     // adds a second array item
-    xmpData["Xmp.dc.title"] = "lang=en-US Beach"; // a language alternative
-
     // -------------------------------------------------------------------------
     // Register a namespace which Exiv2 doesn't know yet. This is only needed
     // when properties are added manually. If the XMP metadata is read from an

test/data/xmpparser-test.out

@@ -279,11 +279,12 @@ Xmp.ns1.NestedStructProp/ns2:Outer/ns2:Middle/ns2:Inner/ns2:Field2 XmpText    12
 >                            
 > <?xpacket end="w"?>
 \ No newline at end of file
-Xmp.dc.format                                XmpText    10  image/tiff
-Xmp.dc.creator                               XmpSeq      3  1) The first creator, 2) The second creator, 3) And another one
-Xmp.dc.description                           LangAlt     2  lang="de-DE" Hallo, Welt, lang="x-default" Hello, World
+Xmp.dc.source                                XmpText    13  xmpsample.cpp
 Xmp.dc.subject                               XmpBag      2  Palmtree, Rubbertree
 Xmp.dc.title                                 LangAlt     1  lang="en-US" Beach
+Xmp.dc.format                                XmpText    10  image/jpeg
+Xmp.dc.creator                               XmpSeq      3  1) The first creator, 2) The second creator, 3) And another one
+Xmp.dc.description                           LangAlt     2  lang="de-DE" Hallo, Welt, lang="x-default" Hello, World
 Xmp.xmpDM.videoFrameSize/stDim:w             XmpText     2  16
 Xmp.xmpDM.videoFrameSize/stDim:h             XmpText     1  9
 Xmp.xmpDM.videoFrameSize/stDim:unit          XmpText     4  inch
@@ -305,7 +306,19 @@ Xmp.xmpBJ.JobRef[2]/stJob:role               XmpText     8  Best man
     xmlns:stDim="http://ns.adobe.com/xap/1.0/sType/Dimensions#"
     xmlns:xapBJ="http://ns.adobe.com/xap/1.0/bj/"
     xmlns:stJob="http://ns.adobe.com/xap/1.0/sType/Job#"
-   dc:format="image/tiff">
+   dc:source="xmpsample.cpp"
+   dc:format="image/jpeg">
+   <dc:subject>
+    <rdf:Bag>
+     <rdf:li>Palmtree</rdf:li>
+     <rdf:li>Rubbertree</rdf:li>
+    </rdf:Bag>
+   </dc:subject>
+   <dc:title>
+    <rdf:Alt>
+     <rdf:li xml:lang="en-US">Beach</rdf:li>
+    </rdf:Alt>
+   </dc:title>
    <dc:creator>
     <rdf:Seq>
      <rdf:li>1) The first creator</rdf:li>
@@ -322,17 +335,6 @@ Xmp.xmpBJ.JobRef[2]/stJob:role               XmpText     8  Best man
      <rdf:li xml:lang="de-DE">Hallo, Welt</rdf:li>
     </rdf:Alt>
    </dc:description>
-   <dc:subject>
-    <rdf:Bag>
-     <rdf:li>Palmtree</rdf:li>
-     <rdf:li>Rubbertree</rdf:li>
-    </rdf:Bag>
-   </dc:subject>
-   <dc:title>
-    <rdf:Alt>
-     <rdf:li xml:lang="en-US">Beach</rdf:li>
-    </rdf:Alt>
-   </dc:title>
    <dc:publisher rdf:parseType="Resource">
     <rdf:value>James Bond</rdf:value>
     <ns:role>secret agent</ns:role>