addPageContents

git-svn-id: svn+q:///qpdf/trunk@995 71b93d88-0707-0410-a8cf-f5a4172ac649

1 files changed, 29 insertions, 0 deletions

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index 19b4f94e..143a3f42 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -472,6 +472,35 @@ QPDFObjectHandle::getPageContents()
     return result;
 }
 
+void
+QPDFObjectHandle::addPageContents(QPDFObjectHandle new_contents, bool first)
+{
+    assertPageObject();
+    new_contents.assertType("Stream", new_contents.isStream());
+
+    std::vector<QPDFObjectHandle> orig_contents = getPageContents();
+
+    std::vector<QPDFObjectHandle> content_streams;
+    if (first)
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle prepend page contents");
+	content_streams.push_back(new_contents);
+    }
+    for (std::vector<QPDFObjectHandle>::iterator iter = orig_contents.begin();
+	 iter != orig_contents.end(); ++iter)
+    {
+	QTC::TC("qpdf", "QPDFObjectHandle append page contents");
+	content_streams.push_back(*iter);
+    }
+    if (! first)
+    {
+	content_streams.push_back(new_contents);
+    }
+
+    QPDFObjectHandle contents = QPDFObjectHandle::newArray(content_streams);
+    this->replaceKey("/Contents", contents);
+}
+
 std::string
 QPDFObjectHandle::unparse()
 {