1 files changed, 68 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_pageobjectholder.h b/core/fpdfapi/page/cpdf_pageobjectholder.h
new file mode 100644
index 0000000000..96a0a80838
--- /dev/null
+++ b/core/fpdfapi/page/cpdf_pageobjectholder.h
@@ -0,0 +1,68 @@
+// 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
+
+#ifndef CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECTHOLDER_H_
+#define CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECTHOLDER_H_
+
+#include "core/fpdfapi/page/cpdf_pageobjectlist.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_system.h"
+
+class IFX_Pause;
+class CPDF_Dictionary;
+class CPDF_Stream;
+class CPDF_Document;
+class CPDF_ContentParser;
+
+#define PDFTRANS_GROUP 0x0100
+#define PDFTRANS_ISOLATED 0x0200
+#define PDFTRANS_KNOCKOUT 0x0400
+
+class CPDF_PageObjectHolder {
+ public:
+  CPDF_PageObjectHolder();
+  virtual ~CPDF_PageObjectHolder();
+
+  void ContinueParse(IFX_Pause* pPause);
+  bool IsParsed() const { return m_ParseState == CONTENT_PARSED; }
+
+  CPDF_PageObjectList* GetPageObjectList() { return &m_PageObjectList; }
+  const CPDF_PageObjectList* GetPageObjectList() const {
+    return &m_PageObjectList;
+  }
+
+  FX_BOOL BackgroundAlphaNeeded() const { return m_bBackgroundAlphaNeeded; }
+  void SetBackgroundAlphaNeeded(FX_BOOL needed) {
+    m_bBackgroundAlphaNeeded = needed;
+  }
+
+  FX_BOOL HasImageMask() const { return m_bHasImageMask; }
+  void SetHasImageMask(FX_BOOL value) { m_bHasImageMask = value; }
+
+  void Transform(const CFX_Matrix& matrix);
+  CFX_FloatRect CalcBoundingBox() const;
+
+  CPDF_Dictionary* m_pFormDict;
+  CPDF_Stream* m_pFormStream;
+  CPDF_Document* m_pDocument;
+  CPDF_Dictionary* m_pPageResources;
+  CPDF_Dictionary* m_pResources;
+  CFX_FloatRect m_BBox;
+  int m_Transparency;
+
+ protected:
+  enum ParseState { CONTENT_NOT_PARSED, CONTENT_PARSING, CONTENT_PARSED };
+
+  void LoadTransInfo();
+
+  FX_BOOL m_bBackgroundAlphaNeeded;
+  FX_BOOL m_bHasImageMask;
+  ParseState m_ParseState;
+  std::unique_ptr<CPDF_ContentParser> m_pParser;
+  CPDF_PageObjectList m_PageObjectList;
+};
+
+#endif  // CORE_FPDFAPI_PAGE_CPDF_PAGEOBJECTHOLDER_H_