1 files changed, 61 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_form.cpp b/core/fpdfapi/page/cpdf_form.cpp
new file mode 100644
index 0000000000..73e8139369
--- /dev/null
+++ b/core/fpdfapi/page/cpdf_form.cpp
@@ -0,0 +1,61 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/page/cpdf_form.h"
+
+#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h"
+#include "core/fpdfapi/fpdf_parser/cpdf_stream.h"
+#include "core/fpdfapi/page/cpdf_pageobject.h"
+#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
+#include "core/fpdfapi/page/pageint.h"
+
+CPDF_Form::CPDF_Form(CPDF_Document* pDoc,
+                     CPDF_Dictionary* pPageResources,
+                     CPDF_Stream* pFormStream,
+                     CPDF_Dictionary* pParentResources) {
+  m_pDocument = pDoc;
+  m_pFormStream = pFormStream;
+  m_pFormDict = pFormStream ? pFormStream->GetDict() : nullptr;
+  m_pResources = m_pFormDict->GetDictFor("Resources");
+  m_pPageResources = pPageResources;
+  if (!m_pResources)
+    m_pResources = pParentResources;
+  if (!m_pResources)
+    m_pResources = pPageResources;
+  m_Transparency = 0;
+  LoadTransInfo();
+}
+
+CPDF_Form::~CPDF_Form() {}
+
+void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates,
+                           const CFX_Matrix* pParentMatrix,
+                           CPDF_Type3Char* pType3Char,
+                           int level) {
+  if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING)
+    return;
+
+  m_pParser.reset(new CPDF_ContentParser);
+  m_pParser->Start(this, pGraphicStates, pParentMatrix, pType3Char, level);
+  m_ParseState = CONTENT_PARSING;
+}
+
+void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates,
+                             const CFX_Matrix* pParentMatrix,
+                             CPDF_Type3Char* pType3Char,
+                             int level) {
+  StartParse(pGraphicStates, pParentMatrix, pType3Char, level);
+  ContinueParse(nullptr);
+}
+
+CPDF_Form* CPDF_Form::Clone() const {
+  CPDF_Form* pCloneForm =
+      new CPDF_Form(m_pDocument, m_pPageResources, m_pFormStream, m_pResources);
+  for (const auto& pObj : m_PageObjectList)
+    pCloneForm->m_PageObjectList.emplace_back(pObj->Clone());
+
+  return pCloneForm;
+}