1 files changed, 300 insertions, 300 deletions
diff --git a/core/src/fpdfdoc/doc_ocg.cpp b/core/src/fpdfdoc/doc_ocg.cpp
index 39b8e37521..0ca9fc0313 100644
--- a/core/src/fpdfdoc/doc_ocg.cpp
+++ b/core/src/fpdfdoc/doc_ocg.cpp
@@ -1,300 +1,300 @@
-// Copyright 2014 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 "../../include/fpdfdoc/fpdf_doc.h"
-static FX_INT32 FPDFDOC_OCG_FindGroup(const CPDF_Object *pObject, const CPDF_Dictionary *pGroupDict)
-{
-    if (pObject == NULL || pGroupDict == NULL) {
-        return -1;
-    }
-    FX_INT32 iType = pObject->GetType();
-    if (iType == PDFOBJ_ARRAY) {
-        FX_DWORD dwCount = ((CPDF_Array*)pObject)->GetCount();
-        for (FX_DWORD i = 0; i < dwCount; i++) {
-            if (((CPDF_Array*)pObject)->GetDict(i) == pGroupDict) {
-                return i;
-            }
-        }
-        return -1;
-    }
-    if (pObject->GetDict() == pGroupDict) {
-        return 0;
-    }
-    return -1;
-}
-static FX_BOOL FPDFDOC_OCG_HasIntent(const CPDF_Dictionary *pDict, FX_BSTR csElement, FX_BSTR csDef = FX_BSTRC(""))
-{
-    FXSYS_assert(pDict != NULL);
-    CPDF_Object *pIntent = pDict->GetElementValue(FX_BSTRC("Intent"));
-    if (pIntent == NULL) {
-        return csElement == csDef;
-    }
-    CFX_ByteString bsIntent;
-    if (pIntent->GetType() == PDFOBJ_ARRAY) {
-        FX_DWORD dwCount = ((CPDF_Array*)pIntent)->GetCount();
-        for (FX_DWORD i = 0; i < dwCount; i++) {
-            bsIntent = ((CPDF_Array*)pIntent)->GetString(i);
-            if (bsIntent == FX_BSTRC("All") || bsIntent == csElement) {
-                return TRUE;
-            }
-        }
-        return FALSE;
-    }
-    bsIntent = pIntent->GetString();
-    return bsIntent == FX_BSTRC("All") || bsIntent == csElement;
-}
-static CPDF_Dictionary* FPDFDOC_OCG_GetConfig(CPDF_Document *pDoc, const CPDF_Dictionary *pOCGDict, FX_BSTR bsState)
-{
-    FXSYS_assert(pDoc && pOCGDict);
-    CPDF_Dictionary *pOCProperties = pDoc->GetRoot()->GetDict(FX_BSTRC("OCProperties"));
-    if (!pOCProperties) {
-        return NULL;
-    }
-    CPDF_Array *pOCGs = pOCProperties->GetArray(FX_BSTRC("OCGs"));
-    if (!pOCGs) {
-        return NULL;
-    }
-    if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
-        return NULL;
-    }
-    CPDF_Dictionary *pConfig = pOCProperties->GetDict(FX_BSTRC("D"));
-    CPDF_Array *pConfigs = pOCProperties->GetArray(FX_BSTRC("Configs"));
-    if (pConfigs) {
-        CPDF_Dictionary *pFind;
-        FX_INT32 iCount = pConfigs->GetCount();
-        for (FX_INT32 i = 0; i < iCount; i ++) {
-            pFind = pConfigs->GetDict(i);
-            if (!pFind) {
-                continue;
-            }
-            if (!FPDFDOC_OCG_HasIntent(pFind, FX_BSTRC("View"), FX_BSTRC("View"))) {
-                continue;
-            }
-            pConfig = pFind;
-            break;
-        }
-    }
-    return pConfig;
-}
-static CFX_ByteString FPDFDOC_OCG_GetUsageTypeString(CPDF_OCContext::UsageType eType)
-{
-    CFX_ByteString csState = FX_BSTRC("View");
-    if (eType == CPDF_OCContext::Design) {
-        csState = FX_BSTRC("Design");
-    } else if (eType == CPDF_OCContext::Print) {
-        csState = FX_BSTRC("Print");
-    } else if (eType == CPDF_OCContext::Export) {
-        csState = FX_BSTRC("Export");
-    }
-    return csState;
-}
-CPDF_OCContext::CPDF_OCContext(CPDF_Document *pDoc, UsageType eUsageType)
-{
-    FXSYS_assert(pDoc != NULL);
-    m_pDocument = pDoc;
-    m_eUsageType = eUsageType;
-}
-CPDF_OCContext::~CPDF_OCContext()
-{
-    m_OCGStates.RemoveAll();
-}
-FX_BOOL CPDF_OCContext::LoadOCGStateFromConfig(FX_BSTR csConfig, const CPDF_Dictionary *pOCGDict, FX_BOOL &bValidConfig) const
-{
-    CPDF_Dictionary *pConfig = FPDFDOC_OCG_GetConfig(m_pDocument, pOCGDict, csConfig);
-    if (!pConfig) {
-        return TRUE;
-    }
-    bValidConfig = TRUE;
-    FX_BOOL bState = pConfig->GetString(FX_BSTRC("BaseState"), FX_BSTRC("ON")) != FX_BSTRC("OFF");
-    CPDF_Array *pArray = pConfig->GetArray(FX_BSTRC("ON"));
-    if (pArray) {
-        if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
-            bState = TRUE;
-        }
-    }
-    pArray = pConfig->GetArray(FX_BSTRC("OFF"));
-    if (pArray) {
-        if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
-            bState = FALSE;
-        }
-    }
-    pArray = pConfig->GetArray(FX_BSTRC("AS"));
-    if (pArray) {
-        CFX_ByteString csFind = csConfig + FX_BSTRC("State");
-        FX_INT32 iCount = pArray->GetCount();
-        for (FX_INT32 i = 0; i < iCount; i ++) {
-            CPDF_Dictionary *pUsage = pArray->GetDict(i);
-            if (!pUsage) {
-                continue;
-            }
-            if (pUsage->GetString(FX_BSTRC("Event"), FX_BSTRC("View")) != csConfig) {
-                continue;
-            }
-            CPDF_Array *pOCGs = pUsage->GetArray(FX_BSTRC("OCGs"));
-            if (!pOCGs) {
-                continue;
-            }
-            if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
-                continue;
-            }
-            CPDF_Dictionary *pState = pUsage->GetDict(csConfig);
-            if (!pState) {
-                continue;
-            }
-            bState = pState->GetString(csFind) != FX_BSTRC("OFF");
-        }
-    }
-    return bState;
-}
-FX_BOOL CPDF_OCContext::LoadOCGState(const CPDF_Dictionary *pOCGDict) const
-{
-    if (!FPDFDOC_OCG_HasIntent(pOCGDict, FX_BSTRC("View"), FX_BSTRC("View"))) {
-        return TRUE;
-    }
-    CFX_ByteString csState = FPDFDOC_OCG_GetUsageTypeString(m_eUsageType);
-    CPDF_Dictionary *pUsage = pOCGDict->GetDict(FX_BSTRC("Usage"));
-    if (pUsage) {
-        CPDF_Dictionary *pState = pUsage->GetDict(csState);
-        if (pState) {
-            CFX_ByteString csFind = csState + FX_BSTRC("State");
-            if (pState->KeyExist(csFind)) {
-                return pState->GetString(csFind) != FX_BSTRC("OFF");
-            }
-        }
-        if (csState != FX_BSTRC("View")) {
-            pState = pUsage->GetDict(FX_BSTRC("View"));
-            if (pState && pState->KeyExist(FX_BSTRC("ViewState"))) {
-                return pState->GetString(FX_BSTRC("ViewState")) != FX_BSTRC("OFF");
-            }
-        }
-    }
-    FX_BOOL bDefValid = FALSE;
-    return LoadOCGStateFromConfig(csState, pOCGDict, bDefValid);
-}
-FX_BOOL CPDF_OCContext::GetOCGVisible(const CPDF_Dictionary *pOCGDict)
-{
-    if (!pOCGDict) {
-        return FALSE;
-    }
-    FX_LPVOID bState = NULL;
-    if (m_OCGStates.Lookup(pOCGDict, bState)) {
-        return (FX_UINTPTR)bState != 0;
-    }
-    bState = (FX_LPVOID)(FX_UINTPTR)LoadOCGState(pOCGDict);
-    m_OCGStates.SetAt(pOCGDict, bState);
-    return (FX_UINTPTR)bState != 0;
-}
-FX_BOOL CPDF_OCContext::GetOCGVE(CPDF_Array *pExpression, FX_BOOL bFromConfig, int nLevel)
-{
-    if (nLevel > 32) {
-        return FALSE;
-    }
-    if (pExpression == NULL) {
-        return FALSE;
-    }
-    FX_INT32 iCount = pExpression->GetCount();
-    CPDF_Object *pOCGObj;
-    CFX_ByteString csOperator = pExpression->GetString(0);
-    if (csOperator == FX_BSTRC("Not")) {
-        pOCGObj = pExpression->GetElementValue(1);
-        if (pOCGObj == NULL) {
-            return FALSE;
-        }
-        if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) {
-            return !(bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) : GetOCGVisible((CPDF_Dictionary*)pOCGObj));
-        } else if (pOCGObj->GetType() == PDFOBJ_ARRAY) {
-            return !GetOCGVE((CPDF_Array*)pOCGObj, bFromConfig, nLevel + 1);
-        } else {
-            return FALSE;
-        }
-    }
-    if (csOperator == FX_BSTRC("Or") || csOperator == FX_BSTRC("And")) {
-        FX_BOOL bValue = FALSE;
-        for (FX_INT32 i = 1; i < iCount; i ++) {
-            pOCGObj = pExpression->GetElementValue(1);
-            if (pOCGObj == NULL) {
-                continue;
-            }
-            FX_BOOL bItem = FALSE;
-            if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) {
-                bItem = bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) : GetOCGVisible((CPDF_Dictionary*)pOCGObj);
-            } else if (pOCGObj->GetType() == PDFOBJ_ARRAY) {
-                bItem = GetOCGVE((CPDF_Array*)pOCGObj, bFromConfig, nLevel + 1);
-            }
-            if (i == 1) {
-                bValue = bItem;
-            } else {
-                if (csOperator == FX_BSTRC("Or")) {
-                    bValue = bValue || bItem;
-                } else {
-                    bValue = bValue && bItem;
-                }
-            }
-        }
-        return bValue;
-    }
-    return FALSE;
-}
-FX_BOOL CPDF_OCContext::LoadOCMDState(const CPDF_Dictionary *pOCMDDict, FX_BOOL bFromConfig)
-{
-    FXSYS_assert(pOCMDDict != NULL);
-    CPDF_Array *pVE = pOCMDDict->GetArray(FX_BSTRC("VE"));
-    if (pVE != NULL) {
-        return GetOCGVE(pVE, bFromConfig);
-    }
-    CFX_ByteString csP = pOCMDDict->GetString(FX_BSTRC("P"), FX_BSTRC("AnyOn"));
-    CPDF_Object *pOCGObj = pOCMDDict->GetElementValue(FX_BSTRC("OCGs"));
-    if (pOCGObj == NULL) {
-        return TRUE;
-    }
-    if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) {
-        return bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) : GetOCGVisible((CPDF_Dictionary*)pOCGObj);
-    }
-    if (pOCGObj->GetType() != PDFOBJ_ARRAY) {
-        return TRUE;
-    }
-    FX_BOOL bState = FALSE;
-    if (csP == FX_BSTRC("AllOn") || csP == FX_BSTRC("AllOff")) {
-        bState = TRUE;
-    }
-    FX_INT32 iCount = ((CPDF_Array*)pOCGObj)->GetCount();
-    for (FX_INT32 i = 0; i < iCount; i ++) {
-        FX_BOOL bItem = TRUE;
-        CPDF_Dictionary* pItemDict = ((CPDF_Array*)pOCGObj)->GetDict(i);
-        if (pItemDict) {
-            bItem = bFromConfig ? LoadOCGState(pItemDict) : GetOCGVisible(pItemDict);
-        }
-        if (csP == FX_BSTRC("AnyOn") && bItem) {
-            return TRUE;
-        }
-        if (csP == FX_BSTRC("AnyOff") && !bItem) {
-            return TRUE;
-        }
-        if (csP == FX_BSTRC("AllOn") && !bItem) {
-            return FALSE;
-        }
-        if (csP == FX_BSTRC("AllOff") && bItem) {
-            return FALSE;
-        }
-    }
-    return bState;
-}
-FX_BOOL CPDF_OCContext::CheckOCGVisible(const CPDF_Dictionary *pOCGDict)
-{
-    if (pOCGDict == NULL) {
-        return TRUE;
-    }
-    CFX_ByteString csType = pOCGDict->GetString(FX_BSTRC("Type"), FX_BSTRC("OCG"));
-    if (csType == FX_BSTRC("OCG")) {
-        return GetOCGVisible(pOCGDict);
-    } else {
-        return LoadOCMDState(pOCGDict, FALSE);
-    }
-}
-void CPDF_OCContext::ResetOCContext()
-{
-    m_OCGStates.RemoveAll();
-}
+// Copyright 2014 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 "../../include/fpdfdoc/fpdf_doc.h"
+static FX_INT32 FPDFDOC_OCG_FindGroup(const CPDF_Object *pObject, const CPDF_Dictionary *pGroupDict)
+{
+    if (pObject == NULL || pGroupDict == NULL) {
+        return -1;
+    }
+    FX_INT32 iType = pObject->GetType();
+    if (iType == PDFOBJ_ARRAY) {
+        FX_DWORD dwCount = ((CPDF_Array*)pObject)->GetCount();
+        for (FX_DWORD i = 0; i < dwCount; i++) {
+            if (((CPDF_Array*)pObject)->GetDict(i) == pGroupDict) {
+                return i;
+            }
+        }
+        return -1;
+    }
+    if (pObject->GetDict() == pGroupDict) {
+        return 0;
+    }
+    return -1;
+}
+static FX_BOOL FPDFDOC_OCG_HasIntent(const CPDF_Dictionary *pDict, FX_BSTR csElement, FX_BSTR csDef = FX_BSTRC(""))
+{
+    FXSYS_assert(pDict != NULL);
+    CPDF_Object *pIntent = pDict->GetElementValue(FX_BSTRC("Intent"));
+    if (pIntent == NULL) {
+        return csElement == csDef;
+    }
+    CFX_ByteString bsIntent;
+    if (pIntent->GetType() == PDFOBJ_ARRAY) {
+        FX_DWORD dwCount = ((CPDF_Array*)pIntent)->GetCount();
+        for (FX_DWORD i = 0; i < dwCount; i++) {
+            bsIntent = ((CPDF_Array*)pIntent)->GetString(i);
+            if (bsIntent == FX_BSTRC("All") || bsIntent == csElement) {
+                return TRUE;
+            }
+        }
+        return FALSE;
+    }
+    bsIntent = pIntent->GetString();
+    return bsIntent == FX_BSTRC("All") || bsIntent == csElement;
+}
+static CPDF_Dictionary* FPDFDOC_OCG_GetConfig(CPDF_Document *pDoc, const CPDF_Dictionary *pOCGDict, FX_BSTR bsState)
+{
+    FXSYS_assert(pDoc && pOCGDict);
+    CPDF_Dictionary *pOCProperties = pDoc->GetRoot()->GetDict(FX_BSTRC("OCProperties"));
+    if (!pOCProperties) {
+        return NULL;
+    }
+    CPDF_Array *pOCGs = pOCProperties->GetArray(FX_BSTRC("OCGs"));
+    if (!pOCGs) {
+        return NULL;
+    }
+    if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
+        return NULL;
+    }
+    CPDF_Dictionary *pConfig = pOCProperties->GetDict(FX_BSTRC("D"));
+    CPDF_Array *pConfigs = pOCProperties->GetArray(FX_BSTRC("Configs"));
+    if (pConfigs) {
+        CPDF_Dictionary *pFind;
+        FX_INT32 iCount = pConfigs->GetCount();
+        for (FX_INT32 i = 0; i < iCount; i ++) {
+            pFind = pConfigs->GetDict(i);
+            if (!pFind) {
+                continue;
+            }
+            if (!FPDFDOC_OCG_HasIntent(pFind, FX_BSTRC("View"), FX_BSTRC("View"))) {
+                continue;
+            }
+            pConfig = pFind;
+            break;
+        }
+    }
+    return pConfig;
+}
+static CFX_ByteString FPDFDOC_OCG_GetUsageTypeString(CPDF_OCContext::UsageType eType)
+{
+    CFX_ByteString csState = FX_BSTRC("View");
+    if (eType == CPDF_OCContext::Design) {
+        csState = FX_BSTRC("Design");
+    } else if (eType == CPDF_OCContext::Print) {
+        csState = FX_BSTRC("Print");
+    } else if (eType == CPDF_OCContext::Export) {
+        csState = FX_BSTRC("Export");
+    }
+    return csState;
+}
+CPDF_OCContext::CPDF_OCContext(CPDF_Document *pDoc, UsageType eUsageType)
+{
+    FXSYS_assert(pDoc != NULL);
+    m_pDocument = pDoc;
+    m_eUsageType = eUsageType;
+}
+CPDF_OCContext::~CPDF_OCContext()
+{
+    m_OCGStates.RemoveAll();
+}
+FX_BOOL CPDF_OCContext::LoadOCGStateFromConfig(FX_BSTR csConfig, const CPDF_Dictionary *pOCGDict, FX_BOOL &bValidConfig) const
+{
+    CPDF_Dictionary *pConfig = FPDFDOC_OCG_GetConfig(m_pDocument, pOCGDict, csConfig);
+    if (!pConfig) {
+        return TRUE;
+    }
+    bValidConfig = TRUE;
+    FX_BOOL bState = pConfig->GetString(FX_BSTRC("BaseState"), FX_BSTRC("ON")) != FX_BSTRC("OFF");
+    CPDF_Array *pArray = pConfig->GetArray(FX_BSTRC("ON"));
+    if (pArray) {
+        if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
+            bState = TRUE;
+        }
+    }
+    pArray = pConfig->GetArray(FX_BSTRC("OFF"));
+    if (pArray) {
+        if (FPDFDOC_OCG_FindGroup(pArray, pOCGDict) >= 0) {
+            bState = FALSE;
+        }
+    }
+    pArray = pConfig->GetArray(FX_BSTRC("AS"));
+    if (pArray) {
+        CFX_ByteString csFind = csConfig + FX_BSTRC("State");
+        FX_INT32 iCount = pArray->GetCount();
+        for (FX_INT32 i = 0; i < iCount; i ++) {
+            CPDF_Dictionary *pUsage = pArray->GetDict(i);
+            if (!pUsage) {
+                continue;
+            }
+            if (pUsage->GetString(FX_BSTRC("Event"), FX_BSTRC("View")) != csConfig) {
+                continue;
+            }
+            CPDF_Array *pOCGs = pUsage->GetArray(FX_BSTRC("OCGs"));
+            if (!pOCGs) {
+                continue;
+            }
+            if (FPDFDOC_OCG_FindGroup(pOCGs, pOCGDict) < 0) {
+                continue;
+            }
+            CPDF_Dictionary *pState = pUsage->GetDict(csConfig);
+            if (!pState) {
+                continue;
+            }
+            bState = pState->GetString(csFind) != FX_BSTRC("OFF");
+        }
+    }
+    return bState;
+}
+FX_BOOL CPDF_OCContext::LoadOCGState(const CPDF_Dictionary *pOCGDict) const
+{
+    if (!FPDFDOC_OCG_HasIntent(pOCGDict, FX_BSTRC("View"), FX_BSTRC("View"))) {
+        return TRUE;
+    }
+    CFX_ByteString csState = FPDFDOC_OCG_GetUsageTypeString(m_eUsageType);
+    CPDF_Dictionary *pUsage = pOCGDict->GetDict(FX_BSTRC("Usage"));
+    if (pUsage) {
+        CPDF_Dictionary *pState = pUsage->GetDict(csState);
+        if (pState) {
+            CFX_ByteString csFind = csState + FX_BSTRC("State");
+            if (pState->KeyExist(csFind)) {
+                return pState->GetString(csFind) != FX_BSTRC("OFF");
+            }
+        }
+        if (csState != FX_BSTRC("View")) {
+            pState = pUsage->GetDict(FX_BSTRC("View"));
+            if (pState && pState->KeyExist(FX_BSTRC("ViewState"))) {
+                return pState->GetString(FX_BSTRC("ViewState")) != FX_BSTRC("OFF");
+            }
+        }
+    }
+    FX_BOOL bDefValid = FALSE;
+    return LoadOCGStateFromConfig(csState, pOCGDict, bDefValid);
+}
+FX_BOOL CPDF_OCContext::GetOCGVisible(const CPDF_Dictionary *pOCGDict)
+{
+    if (!pOCGDict) {
+        return FALSE;
+    }
+    FX_LPVOID bState = NULL;
+    if (m_OCGStates.Lookup(pOCGDict, bState)) {
+        return (FX_UINTPTR)bState != 0;
+    }
+    bState = (FX_LPVOID)(FX_UINTPTR)LoadOCGState(pOCGDict);
+    m_OCGStates.SetAt(pOCGDict, bState);
+    return (FX_UINTPTR)bState != 0;
+}
+FX_BOOL CPDF_OCContext::GetOCGVE(CPDF_Array *pExpression, FX_BOOL bFromConfig, int nLevel)
+{
+    if (nLevel > 32) {
+        return FALSE;
+    }
+    if (pExpression == NULL) {
+        return FALSE;
+    }
+    FX_INT32 iCount = pExpression->GetCount();
+    CPDF_Object *pOCGObj;
+    CFX_ByteString csOperator = pExpression->GetString(0);
+    if (csOperator == FX_BSTRC("Not")) {
+        pOCGObj = pExpression->GetElementValue(1);
+        if (pOCGObj == NULL) {
+            return FALSE;
+        }
+        if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) {
+            return !(bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) : GetOCGVisible((CPDF_Dictionary*)pOCGObj));
+        } else if (pOCGObj->GetType() == PDFOBJ_ARRAY) {
+            return !GetOCGVE((CPDF_Array*)pOCGObj, bFromConfig, nLevel + 1);
+        } else {
+            return FALSE;
+        }
+    }
+    if (csOperator == FX_BSTRC("Or") || csOperator == FX_BSTRC("And")) {
+        FX_BOOL bValue = FALSE;
+        for (FX_INT32 i = 1; i < iCount; i ++) {
+            pOCGObj = pExpression->GetElementValue(1);
+            if (pOCGObj == NULL) {
+                continue;
+            }
+            FX_BOOL bItem = FALSE;
+            if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) {
+                bItem = bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) : GetOCGVisible((CPDF_Dictionary*)pOCGObj);
+            } else if (pOCGObj->GetType() == PDFOBJ_ARRAY) {
+                bItem = GetOCGVE((CPDF_Array*)pOCGObj, bFromConfig, nLevel + 1);
+            }
+            if (i == 1) {
+                bValue = bItem;
+            } else {
+                if (csOperator == FX_BSTRC("Or")) {
+                    bValue = bValue || bItem;
+                } else {
+                    bValue = bValue && bItem;
+                }
+            }
+        }
+        return bValue;
+    }
+    return FALSE;
+}
+FX_BOOL CPDF_OCContext::LoadOCMDState(const CPDF_Dictionary *pOCMDDict, FX_BOOL bFromConfig)
+{
+    FXSYS_assert(pOCMDDict != NULL);
+    CPDF_Array *pVE = pOCMDDict->GetArray(FX_BSTRC("VE"));
+    if (pVE != NULL) {
+        return GetOCGVE(pVE, bFromConfig);
+    }
+    CFX_ByteString csP = pOCMDDict->GetString(FX_BSTRC("P"), FX_BSTRC("AnyOn"));
+    CPDF_Object *pOCGObj = pOCMDDict->GetElementValue(FX_BSTRC("OCGs"));
+    if (pOCGObj == NULL) {
+        return TRUE;
+    }
+    if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) {
+        return bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) : GetOCGVisible((CPDF_Dictionary*)pOCGObj);
+    }
+    if (pOCGObj->GetType() != PDFOBJ_ARRAY) {
+        return TRUE;
+    }
+    FX_BOOL bState = FALSE;
+    if (csP == FX_BSTRC("AllOn") || csP == FX_BSTRC("AllOff")) {
+        bState = TRUE;
+    }
+    FX_INT32 iCount = ((CPDF_Array*)pOCGObj)->GetCount();
+    for (FX_INT32 i = 0; i < iCount; i ++) {
+        FX_BOOL bItem = TRUE;
+        CPDF_Dictionary* pItemDict = ((CPDF_Array*)pOCGObj)->GetDict(i);
+        if (pItemDict) {
+            bItem = bFromConfig ? LoadOCGState(pItemDict) : GetOCGVisible(pItemDict);
+        }
+        if (csP == FX_BSTRC("AnyOn") && bItem) {
+            return TRUE;
+        }
+        if (csP == FX_BSTRC("AnyOff") && !bItem) {
+            return TRUE;
+        }
+        if (csP == FX_BSTRC("AllOn") && !bItem) {
+            return FALSE;
+        }
+        if (csP == FX_BSTRC("AllOff") && bItem) {
+            return FALSE;
+        }
+    }
+    return bState;
+}
+FX_BOOL CPDF_OCContext::CheckOCGVisible(const CPDF_Dictionary *pOCGDict)
+{
+    if (pOCGDict == NULL) {
+        return TRUE;
+    }
+    CFX_ByteString csType = pOCGDict->GetString(FX_BSTRC("Type"), FX_BSTRC("OCG"));
+    if (csType == FX_BSTRC("OCG")) {
+        return GetOCGVisible(pOCGDict);
+    } else {
+        return LoadOCMDState(pOCGDict, FALSE);
+    }
+}
+void CPDF_OCContext::ResetOCContext()
+{
+    m_OCGStates.RemoveAll();
+}