Hidden annotations should not be drawn

core/fpdfdoc/include/cpdf_annot.h

 // 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_FPDFDOC_INCLUDE_CPDF_ANNOT_H_
 #define CORE_FPDFDOC_INCLUDE_CPDF_ANNOT_H_
 
 #include <map>
@@ skipping 19 matching lines @@
 #define ANNOTFLAG_NOROTATE 0x0010
 #define ANNOTFLAG_NOVIEW 0x0020
 #define ANNOTFLAG_READONLY 0x0040
 #define ANNOTFLAG_LOCKED 0x0080
 #define ANNOTFLAG_TOGGLENOVIEW 0x0100
 
 class CPDF_Annot {
  public:
   enum AppearanceMode { Normal, Rollover, Down };
 
+  static FX_BOOL IsAnnotationHidden(CPDF_Dictionary* pAnnotDict);

[Lei Zhang, 2016/08/15 18:39:39]

bool

[tonikitoo, 2016/08/15 18:59:31]

Done.

+
   CPDF_Annot(CPDF_Dictionary* pDict, CPDF_Document* pDocument);
   ~CPDF_Annot();
 
   CFX_ByteString GetSubType() const;
   uint32_t GetFlags() const;
   void GetRect(CFX_FloatRect& rect) const;
   const CPDF_Dictionary* GetAnnotDict() const { return m_pAnnotDict; }
   CPDF_Dictionary* GetAnnotDict() { return m_pAnnotDict; }
   FX_BOOL DrawAppearance(CPDF_Page* pPage,
                          CFX_RenderDevice* pDevice,
@@ skipping 14 matching lines @@
   CPDF_Dictionary* const m_pAnnotDict;
   CPDF_Document* const m_pDocument;
   const CFX_ByteString m_sSubtype;
   std::map<CPDF_Stream*, std::unique_ptr<CPDF_Form>> m_APMap;
 };
 
 CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict,
                                 CPDF_Annot::AppearanceMode mode);
 
 #endif  // CORE_FPDFDOC_INCLUDE_CPDF_ANNOT_H_