Attachment 140547 Details for Bug 107182 – Patch for PDF subtype information (PDF/A)

[patch] Patch for PDF subtype information (PDF/A)

0001-Add-support-for-PDF-subtype-property-glib-backend.patch (text/plain), 4.54 KB, created by Evangelos Rigas on 2018-07-10 22:21:31 UTC

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Creator: Evangelos Rigas

Created: 2018-07-10 22:21:31 UTC

Size: 4.54 KB

patch

obsolete

>From 06fc1f325834272dd75fc24fe3f44ac8b0724538 Mon Sep 17 00:00:00 2001
>From: Evangelos Rigas <erigas@rnd2.org>
>Date: Tue, 10 Jul 2018 23:08:26 +0100
>Subject: [PATCH] Add support for PDF subtype property (glib backend)
>
>Reads GTS_PDFA1Version and GTS_PDFXVersion
>from the PDF Information Dictionary.
>
>If is not `NULL` the string contains the PDF/A or PDF/X version.
>---
> glib/poppler-document.cc | 42 ++++++++++++++++++++++++++++++++++++++++
> glib/poppler-document.h  |  1 +
> poppler/PDFDoc.cc        | 16 +++++++++++++++
> poppler/PDFDoc.h         |  1 +
> 4 files changed, 60 insertions(+)
>
>diff --git a/glib/poppler-document.cc b/glib/poppler-document.cc
>index b343eb90..9c920fee 100644
>--- a/glib/poppler-document.cc
>+++ b/glib/poppler-document.cc
>@@ -58,6 +58,7 @@ enum {
> 	PROP_FORMAT,
> 	PROP_FORMAT_MAJOR,
> 	PROP_FORMAT_MINOR,
>+	PROP_FORMAT_SUBTYPE,
> 	PROP_AUTHOR,
> 	PROP_SUBJECT,
> 	PROP_KEYWORDS,
>@@ -1352,6 +1353,30 @@ poppler_document_get_permissions (PopplerDocument *document)
>   return (PopplerPermissions)flag;
> }
> 
>+/**
>+ * poppler_document_get_format_subtype:
>+ * @document: A #PopplerDocument
>+ *
>+ * Returns the PDF format subtype of the document
>+ * e.g. PDF/A, PDF/X
>+ *
>+ * Return value: a new allocated string containing the PDF
>+ * format subtype of @document, or %NULL
>+ *
>+ * Since: 0.65
>+ **/
>+gchar *
>+poppler_document_get_format_subtype (PopplerDocument *document)
>+{
>+  g_return_val_if_fail (POPPLER_IS_DOCUMENT (document), NULL);
>+
>+  GooString *goo_subtype = document->doc->getDocInfoSubtype();
>+  gchar *utf8 = _poppler_goo_string_to_utf8(goo_subtype);
>+  delete goo_subtype;
>+
>+  return utf8;
>+}
>+
> /**
>  * poppler_document_get_metadata:
>  * @document: A #PopplerDocument
>@@ -1446,6 +1471,9 @@ poppler_document_get_property (GObject    *object,
>     case PROP_PERMISSIONS:
>       g_value_set_flags (value, poppler_document_get_permissions (document));
>       break;
>+    case PROP_FORMAT_SUBTYPE:
>+      g_value_take_string (value, poppler_document_get_format_subtype (document));
>+      break;
>     case PROP_METADATA:
>       g_value_take_string (value, poppler_document_get_metadata (document));
>       break;
>@@ -1724,6 +1752,20 @@ poppler_document_class_init (PopplerDocumentClass *klass)
> 							"Embedded XML metadata",
> 							nullptr,
> 							G_PARAM_READABLE));
>+
>+
>+  /**
>+   * PopplerDocument:format-subtype:
>+   *
>+   *  Document PDF subtype and version , or %NULL
>+   */
>+  g_object_class_install_property (G_OBJECT_CLASS (klass),
>+				   PROP_FORMAT_SUBTYPE,
>+				   g_param_spec_string ("format-subtype",
>+							"PDF Format Subtype",
>+							"PDF Format Subtype",
>+							nullptr,
>+							G_PARAM_READABLE));
> }
> 
> static void
>diff --git a/glib/poppler-document.h b/glib/poppler-document.h
>index a7fcea1d..103fd250 100644
>--- a/glib/poppler-document.h
>+++ b/glib/poppler-document.h
>@@ -230,6 +230,7 @@ gboolean           poppler_document_is_linearized          (PopplerDocument *doc
> PopplerPageLayout  poppler_document_get_page_layout        (PopplerDocument *document);
> PopplerPageMode    poppler_document_get_page_mode          (PopplerDocument *document);
> PopplerPermissions poppler_document_get_permissions        (PopplerDocument *document);
>+gchar             *poppler_document_get_format_subtype     (PopplerDocument *document);
> gchar             *poppler_document_get_metadata           (PopplerDocument *document);
> 
> /* Attachments */
>diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
>index 631f9a70..ece2b424 100644
>--- a/poppler/PDFDoc.cc
>+++ b/poppler/PDFDoc.cc
>@@ -683,6 +683,22 @@ GooString *PDFDoc::getDocInfoStringEntry(const char *key) {
>   return result;
> }
> 
>+GooString *PDFDoc::getDocInfoSubtype() {
>+  GooString *fmt;
>+
>+  fmt = getDocInfoStringEntry("GTS_PDFA1Version");
>+  // If PDF subtype is PDF/A return version
>+  if (fmt != nullptr) {
>+    return fmt;
>+  }
>+
>+  delete fmt;
>+  // Try if PDF subtype is PDF/X and return
>+  return getDocInfoStringEntry("GTS_PDFXVersion");
>+}
>+
>+
>+
> static GBool
> get_id (const GooString *encodedidstring, GooString *id) {
>   const char *encodedid = encodedidstring->getCString();
>diff --git a/poppler/PDFDoc.h b/poppler/PDFDoc.h
>index 1678d167..d6f6ae82 100644
>--- a/poppler/PDFDoc.h
>+++ b/poppler/PDFDoc.h
>@@ -272,6 +272,7 @@ public:
>   GooString *getDocInfoProducer() { return getDocInfoStringEntry("Producer"); }
>   GooString *getDocInfoCreatDate() { return getDocInfoStringEntry("CreationDate"); }
>   GooString *getDocInfoModDate() { return getDocInfoStringEntry("ModDate"); }
>+  GooString *getDocInfoSubtype();
> 
>   // Return the PDF version specified by the file.
>   int getPDFMajorVersion() { return pdfMajorVersion; }
>-- 
>2.18.0
>

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Attachments on bug 107182: 140547 | 140562 | 140978 | 140979 | 141040 | 141042 | 141043 | 141044 | 141134 | 141135 | 141136

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