SkPDF: Optionally output PDF/A-2b archive format.

src/pdf/SkPDFMetadata.h

+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkPDFMetadata_DEFINED
+#define SkPDFMetadata_DEFINED
+
+#include "SkDocument.h"
+#include "SkTime.h"
+
+class SkPDFObject;
+
+struct SkPDFMetadata {
+    SkTArray<SkDocument::Attribute> fInfo;
+    SkAutoTDelete<const SkTime::DateTime> fCreation;
+    SkAutoTDelete<const SkTime::DateTime> fModified;
+
+    SkPDFObject* createDocumentInformationDict() const;
+
+#ifdef SK_PDF_GENERATE_PDFA
+    struct UUID {
+        uint8_t fData[16];
+    };
+    UUID uuid() const;
+    static SkPDFObject* CreatePdfId(const UUID& doc, const UUID& instance);
+    SkPDFObject* createXMPObject(const UUID& doc, const UUID& instance) const;
+#endif  // SK_PDF_GENERATE_PDFA
+};
+
+#endif  // SkPDFMetadata_DEFINED