PDF - Revision history

Dev Cog: /* Implementations */

2009-10-23T16:58:26Z

‎Implementations

2008-03-04T00:10:29Z

2007-06-08T19:23:09Z

‎Code

2007-06-08T07:32:49Z

Challenge already done

2007-06-08T07:30:11Z

‎Code

2007-06-08T07:22:57Z

‎Current status

2006-12-05T15:18:00Z

‎Implementations

2006-10-19T18:20:10Z

2006-10-17T04:16:29Z

‎Implementations

2006-10-17T04:15:57Z

‎Current status

@@ Line 34: / Line 34: @@
 * [http://media.polito.it/masala/plm2_index.html Cross-platform Java App by Enrico]
 * [[CCInfo for Acrobat]]
 * See [[XMP]] for others.

@@ Line 3: / Line 3: @@
 == Current status ==
-You can already [http://creativecommons.org/technology/xmp embed a Creative Commons license in a PDF document] using [[XMP]] through, for example, Adobe Photoshop CS.
+You can [http://creativecommons.org/technology/xmp embed a Creative Commons license in a PDF document] using [[XMP]] through, for example, Adobe Photoshop CS.
 The most recent PDF standard (as of May 7, 2006), [http://partners.adobe.com/public/developer/en/pdf/PDFReference16.pdf version 1.6], provides two mechanisms for the storing of metadata, such as license information, in the file. In section 10.2 of the standard, the two methods described are the document information dictionary and the metadata stream.
@@ Line 37: / Line 37: @@
 === Examples ===
 Here's an example of using [http://www.figuiere.net/hub/blog/?Exempi Exempi] to embed license info.  This code works for all file formats that Exempi supports, including PDFs.
@@ Line 71: / Line 69: @@
 ...
 </pre>
 [[Category:Developer]]
 [[Category:Technology]]
-[[Category:filetype]]
+[[Category:Filetype]]

@@ Line 53: / Line 53: @@
 XmpPtr xmp = xmp_files_get_new_xmp(f);
-if ( xmp != NULL ) {
+if ( xmp == NULL ) {
-	if ( xmp_files_can_put_xmp(f, xmp) ) {
+	xmp = xmp_new_empty();
-		xmp_register_namespace(NS_CC, "cc", NULL);
-		xmp_set_property(xmp, NS_CC, "license", "http://creativecommons.org/licenses/by-sa/2.5/");
-		xmp_files_put_xmp(f, xmp);
+if ( xmp_files_can_put_xmp(f, xmp) ) {
-	} else {
+	xmp_register_namespace(NS_CC, "cc", NULL);
-		printf("Unable to write XMP to this file.\n");
+	xmp_set_property(xmp, NS_CC, "license", "http://creativecommons.org/licenses/by-sa/2.5/");
+	xmp_files_put_xmp(f, xmp);
 } else {
-	printf("No XMP found in this file.\n");
+	printf("Unable to write XMP to this file.\n");
-−
+}
 xmp_files_close(f, XMP_CLOSE_SAFEUPDATE);
 xmp_free(xmp);

← Older revision		Revision as of 07:32, 8 June 2007
Line 29:		Line 29:

	This is the second method by which metadata can be embedded in a PDF. XMP is an example of the metadata stream, in which a chunk of XML is embedded in the PDF file for parsing by agents that don't necessarily understand how to read a PDF, but can read XML.		This is the second method by which metadata can be embedded in a PDF. XMP is an example of the metadata stream, in which a chunk of XML is embedded in the PDF file for parsing by agents that don't necessarily understand how to read a PDF, but can read XML.
−
−	~~== Developer Challenges ==~~
−
−	~~Implement some form of embedding metadata and licensing inside of PDF files.~~

	=== Implementations ===		=== Implementations ===

@@ Line 44: / Line 44: @@
 === Code ===
-* Please help by adding your code here :)
+Here's an example of using [http://www.figuiere.net/hub/blog/?Exempi Exempi] to embed license info.  This code works for all file formats that Exempi supports, including PDFs.
 === Mockups ===

← Older revision		Revision as of 07:22, 8 June 2007
Line 4:		Line 4:

	You can already [http://creativecommons.org/technology/xmp embed a Creative Commons license in a PDF document] using [[XMP]] through, for example, Adobe Photoshop CS.		You can already [http://creativecommons.org/technology/xmp embed a Creative Commons license in a PDF document] using [[XMP]] through, for example, Adobe Photoshop CS.
−
−	~~However, there is still no free means of embedding license data in PDFs.~~

	The most recent PDF standard (as of May 7, 2006), [http://partners.adobe.com/public/developer/en/pdf/PDFReference16.pdf version 1.6], provides two mechanisms for the storing of metadata, such as license information, in the file. In section 10.2 of the standard, the two methods described are the document information dictionary and the metadata stream.		The most recent PDF standard (as of May 7, 2006), [http://partners.adobe.com/public/developer/en/pdf/PDFReference16.pdf version 1.6], provides two mechanisms for the storing of metadata, such as license information, in the file. In section 10.2 of the standard, the two methods described are the document information dictionary and the metadata stream.

← Older revision		Revision as of 18:20, 19 October 2006
Line 39:		Line 39:

	* [http://multimedia.polito.it/masala/public/pdf_creative_commons_license.html Cross-platform Java App by Enrico]		* [http://multimedia.polito.it/masala/public/pdf_creative_commons_license.html Cross-platform Java App by Enrico]
		+	* [[CCInfo for Acrobat]]
	* See [[XMP]] for others.		* See [[XMP]] for others.

@@ Line 39: / Line 39: @@
 * [http://multimedia.polito.it/masala/public/pdf_creative_commons_license.html Cross-platform Java App by Enrico]
-* Please add yours here :)
+* See [[XMP]] for others.
 === Examples ===

@@ Line 3: / Line 3: @@
 == Current status ==
-You can already [http://creativecommons.org/technology/xmp embed a Creative Commons license in a PDF document] using [http://partners.adobe.com/public/developer/xmp/topic.html Adobe's XMP] through, for example, Adobe Photoshop CS.
+You can already [http://creativecommons.org/technology/xmp embed a Creative Commons license in a PDF document] using [[XMP]] through, for example, Adobe Photoshop CS.
 However, there is still no free means of embedding license data in PDFs.
@@ Line 30: / Line 30: @@
 === Metadata stream ===
 This is the second method by which metadata can be embedded in a PDF. XMP is an example of the metadata stream, in which a chunk of XML is embedded in the PDF file for parsing by agents that don't necessarily understand how to read a PDF, but can read XML.
 == Developer Challenges ==