Allow FPDFBookmark_GetFirstChild to return the top level bookmark
[pdfium.git] / fpdfsdk / src / fpdfdoc.cpp
index d5d9000..41f5c8a 100644 (file)
-// Copyright 2014 PDFium Authors. All rights reserved.\r
-// Use of this source code is governed by a BSD-style license that can be\r
-// found in the LICENSE file.\r
\r
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com\r
-\r
-#include "../include/fsdk_define.h"\r
-#include "../include/fpdfdoc.h"\r
-\r
-static int this_module = 0;\r
-\r
-static CPDF_Bookmark FindBookmark(CPDF_BookmarkTree& tree, CPDF_Bookmark This, const CFX_WideString& title)\r
-{\r
-       if (This != NULL) {\r
-               // First check this item\r
-               CFX_WideString this_title = This.GetTitle();\r
-               if (this_title.CompareNoCase(title) == 0)\r
-                       return This;\r
-       }\r
-       // go into children items\r
-       CPDF_Bookmark Child = tree.GetFirstChild(This);\r
-       while (Child != NULL) {\r
-               // check if this item\r
-               CPDF_Bookmark Found = FindBookmark(tree, Child, title);\r
-               if (Found) return Found;\r
-               Child = tree.GetNextSibling(Child);\r
-       }\r
-       return NULL;\r
-}\r
-\r
-DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title)\r
-{\r
-       if (document == NULL) return NULL;\r
-       if (title == NULL || title[0] == 0) return NULL;\r
-\r
-       CPDF_Document* pDoc = (CPDF_Document*)document;\r
-       CPDF_BookmarkTree tree(pDoc);\r
-\r
-       CFX_WideString wstr = CFX_WideString::FromUTF16LE(title);\r
-       return FindBookmark(tree, NULL, wstr);\r
-}\r
-\r
-DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark)\r
-{\r
-       if (document == NULL) return NULL;\r
-       if (bookmark == NULL) return NULL;\r
-\r
-       CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark;\r
-       CPDF_Document* pDoc = (CPDF_Document*)document;\r
-       CPDF_Dest dest = Bookmark.GetDest(pDoc);\r
-       if (dest != NULL) return dest;\r
-\r
-       // If this bookmark is not directly associated with a dest, we try to get action\r
-       CPDF_Action Action = Bookmark.GetAction();\r
-       if (Action == NULL) return NULL;\r
-       return Action.GetDest(pDoc);\r
-}\r
-\r
-DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK bookmark)\r
-{\r
-       if (bookmark == NULL) return NULL;\r
-\r
-       CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark;\r
-       return Bookmark.GetAction();\r
-}\r
-\r
-DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION action)\r
-{\r
-       if (action == NULL) return 0;\r
-\r
-       CPDF_Action Action = (CPDF_Dictionary*)action;\r
-       CPDF_Action::ActionType type = Action.GetType();\r
-       switch (type) {\r
-       case CPDF_Action::GoTo:\r
-               return PDFACTION_GOTO;\r
-       case CPDF_Action::GoToR:\r
-               return PDFACTION_REMOTEGOTO;\r
-       case CPDF_Action::URI:\r
-               return PDFACTION_URI;\r
-       case CPDF_Action::Launch:\r
-               return PDFACTION_LAUNCH;\r
-       default:\r
-               return PDFACTION_UNSUPPORTED;\r
-       }\r
-       return PDFACTION_UNSUPPORTED;\r
-}\r
-\r
-DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, FPDF_ACTION action)\r
-{\r
-       if (document == NULL) return NULL;\r
-       if (action == NULL) return NULL;\r
-       CPDF_Document* pDoc = (CPDF_Document*)document;\r
-       CPDF_Action Action = (CPDF_Dictionary*)action;\r
-\r
-       return Action.GetDest(pDoc);\r
-}\r
-\r
-DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION action, \r
-                                                                                         void* buffer, unsigned long buflen)\r
-{\r
-       if (document == NULL) return 0;\r
-       if (action == NULL) return 0;\r
-       CPDF_Document* pDoc = (CPDF_Document*)document;\r
-       CPDF_Action Action = (CPDF_Dictionary*)action;\r
-\r
-       CFX_ByteString path = Action.GetURI(pDoc);\r
-       unsigned long len = path.GetLength() + 1;\r
-       if (buffer != NULL && buflen >= len)\r
-               FXSYS_memcpy(buffer, (FX_LPCSTR)path, len);\r
-       return len;\r
-}\r
-\r
-DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST dest)\r
-{\r
-       if (document == NULL) return 0;\r
-       if (dest == NULL) return 0;\r
-       CPDF_Document* pDoc = (CPDF_Document*)document;\r
-       CPDF_Dest Dest = (CPDF_Array*)dest;\r
-\r
-       return Dest.GetPageIndex(pDoc);\r
-}\r
-\r
-static void ReleaseLinkList(FX_LPVOID data)\r
-{\r
-       delete (CPDF_LinkList*)data;\r
-}\r
-\r
-DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y)\r
-{\r
-       if (page == NULL) return NULL;\r
-       CPDF_Page* pPage = (CPDF_Page*)page;\r
-\r
-       // Link list is stored with the document\r
-       CPDF_Document* pDoc = pPage->m_pDocument;\r
-       CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&this_module);\r
-       if (pLinkList == NULL) {\r
-               pLinkList = FX_NEW CPDF_LinkList(pDoc);\r
-               pDoc->SetPrivateData(&this_module, pLinkList, ReleaseLinkList);\r
-       }\r
-\r
-       return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y);\r
-}\r
-\r
-DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK link)\r
-{\r
-       if (document == NULL) return NULL;\r
-       CPDF_Document* pDoc = (CPDF_Document*)document;\r
-       if (link == NULL) return NULL;\r
-       CPDF_Link Link = (CPDF_Dictionary*)link;\r
-\r
-       FPDF_DEST dest = Link.GetDest(pDoc);\r
-       if (dest) return dest;\r
-\r
-       // If this link is not directly associated with a dest, we try to get action\r
-       CPDF_Action Action = Link.GetAction();\r
-       if (Action == NULL) return NULL;\r
-       return Action.GetDest(pDoc);\r
-}\r
-\r
-DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK link)\r
-{\r
-       if (link == NULL) return NULL;\r
-       CPDF_Link Link = (CPDF_Dictionary*)link;\r
-\r
-       return Link.GetAction();\r
-}\r
-\r
-DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, int* startPos, FPDF_LINK* linkAnnot)\r
-{\r
-       if(!page || !startPos || !linkAnnot)\r
-               return FALSE;\r
-       CPDF_Page* pPage = (CPDF_Page*)page;\r
-       if(!pPage->m_pFormDict) return FALSE;\r
-       CPDF_Array* pAnnots = pPage->m_pFormDict->GetArray("Annots");\r
-       if(!pAnnots) return FALSE;\r
-       for (int i = *startPos; i < (int)pAnnots->GetCount(); i ++) {\r
-               CPDF_Dictionary* pDict = (CPDF_Dictionary*)pAnnots->GetElementValue(i);\r
-               if (pDict == NULL || pDict->GetType() != PDFOBJ_DICTIONARY) continue;\r
-               if(pDict->GetString(FX_BSTRC("Subtype")).Equal(FX_BSTRC("Link")))\r
-               {\r
-                       *startPos = i+1;\r
-                       *linkAnnot = (FPDF_LINK)pDict; \r
-                       return TRUE;\r
-               }\r
-       }\r
-       return FALSE;\r
-}\r
-\r
-DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot, FS_RECTF* rect)\r
-{\r
-       if(!linkAnnot || !rect)\r
-               return FALSE;\r
-       CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;\r
-       CPDF_Rect rt = pAnnotDict->GetRect(FX_BSTRC("Rect"));\r
-       rect->left = rt.left;\r
-       rect->bottom = rt.bottom;\r
-       rect->right = rt.right;\r
-       rect->top = rt.top;\r
-       return TRUE;\r
-}\r
-\r
-DLLEXPORT int STDCALL FPDFLink_CountQuadPoints(FPDF_LINK linkAnnot)\r
-{\r
-       if(!linkAnnot)\r
-               return 0;\r
-       CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;\r
-       CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));\r
-       if (pArray == NULL)\r
-               return 0;\r
-       else\r
-               return pArray->GetCount() / 8;\r
-}\r
-\r
-DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, int quadIndex, FS_QUADPOINTSF* quadPoints)\r
-{\r
-       if(!linkAnnot || !quadPoints)\r
-               return FALSE;\r
-       CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;\r
-       CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));\r
-       if (pArray) {\r
-               if (0 > quadIndex || quadIndex >= (int)pArray->GetCount()/8 ||\r
-                       ((quadIndex*8+7) >= (int)pArray->GetCount())) return FALSE;\r
-               quadPoints->x1 = pArray->GetNumber(quadIndex*8);\r
-               quadPoints->y1 = pArray->GetNumber(quadIndex*8+1);\r
-               quadPoints->x2 = pArray->GetNumber(quadIndex*8+2);\r
-               quadPoints->y2 = pArray->GetNumber(quadIndex*8+3);\r
-               quadPoints->x3 = pArray->GetNumber(quadIndex*8+4);\r
-               quadPoints->y3 = pArray->GetNumber(quadIndex*8+5);\r
-               quadPoints->x4 = pArray->GetNumber(quadIndex*8+6);\r
-               quadPoints->y4 = pArray->GetNumber(quadIndex*8+7);\r
-               return TRUE;\r
-       } \r
-       return FALSE;\r
-}\r
-\r
-\r
-DLLEXPORT unsigned long STDCALL FPDF_GetMetaText(FPDF_DOCUMENT doc, FPDF_BYTESTRING tag,\r
-                                                                                                void* buffer, unsigned long buflen)\r
-{\r
-       if (doc == NULL || tag == NULL) return 0;\r
-\r
-       CPDF_Document* pDoc = (CPDF_Document*)doc;\r
-       // Get info dictionary\r
-       CPDF_Dictionary* pInfo = pDoc->GetInfo();\r
-       if (pInfo == NULL) return 0;\r
-\r
-       CFX_WideString text = pInfo->GetUnicodeText(tag);\r
-\r
-       // Use UTF-16LE encoding\r
-       CFX_ByteString bstr = text.UTF16LE_Encode();\r
-       unsigned long len = bstr.GetLength();\r
-       if (buffer != NULL || buflen >= len+2) {\r
-               FXSYS_memcpy(buffer, (FX_LPCSTR)bstr, len);\r
-               // use double zero as trailer\r
-               ((FX_BYTE*)buffer)[len] = ((FX_BYTE*)buffer)[len+1] = 0;\r
-       }\r
-       return len+2;\r
-}\r
-\r
+// 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/fsdk_define.h"
+#include "../include/fpdfdoc.h"
+
+static int THISMODULE = 0;
+
+static CPDF_Bookmark FindBookmark(const CPDF_BookmarkTree& tree, CPDF_Bookmark bookmark, const CFX_WideString& title)
+{
+       if (bookmark && bookmark.GetTitle().CompareNoCase(title) == 0) {
+               // First check this item
+               return bookmark;
+       }
+       // go into children items
+       CPDF_Bookmark child = tree.GetFirstChild(bookmark);
+       while (child) {
+               // check if this item
+               CPDF_Bookmark found = FindBookmark(tree, child, title);
+               if (found)
+                       return found;
+               child = tree.GetNextSibling(child);
+       }
+       return CPDF_Bookmark();
+}
+
+DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_GetFirstChild(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict)
+{
+    if (!document)
+        return NULL;
+    CPDF_Document* pDoc = (CPDF_Document*)document;
+    CPDF_BookmarkTree tree(pDoc);
+    CPDF_Bookmark bookmark = CPDF_Bookmark((CPDF_Dictionary*)pDict);
+    return tree.GetFirstChild(bookmark).GetDict();
+}
+
+DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_GetNextSibling(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict)
+{
+    if (!document || !pDict)
+        return NULL;
+    CPDF_Document* pDoc = (CPDF_Document*)document;
+    CPDF_BookmarkTree tree(pDoc);
+    CPDF_Bookmark bookmark = CPDF_Bookmark((CPDF_Dictionary*)pDict);
+    return tree.GetNextSibling(bookmark).GetDict();
+}
+
+DLLEXPORT unsigned long STDCALL FPDFBookmark_GetTitle(FPDF_BOOKMARK pDict, void* buffer, unsigned long buflen)
+{
+    if (!pDict)
+        return 0;
+    CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict);
+    CFX_WideString title = bookmark.GetTitle();
+    CFX_ByteString encodedTitle = title.UTF16LE_Encode(FALSE);
+    unsigned long len = encodedTitle.GetLength();
+    if (buffer && buflen >= len + 2) {
+        FXSYS_memcpy(buffer, encodedTitle.c_str(), len);
+        ((FX_BYTE*)buffer)[len] = 0;
+        ((FX_BYTE*)buffer)[len + 1] = 0;
+    }
+    return len + 2;
+}
+
+DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title)
+{
+       if (!document)
+               return NULL;
+       if (!title || title[0] == 0)
+               return NULL;
+       CPDF_Document* pDoc = (CPDF_Document*)document;
+       CPDF_BookmarkTree tree(pDoc);
+       FX_STRSIZE len = CFX_WideString::WStringLength(title);
+       CFX_WideString encodedTitle = CFX_WideString::FromUTF16LE(title, len);
+       return FindBookmark(tree, CPDF_Bookmark(), encodedTitle).GetDict();
+}
+
+DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict)
+{
+       if (!document)
+               return NULL;
+       if (!pDict)
+               return NULL;
+       CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict);
+       CPDF_Document* pDoc = (CPDF_Document*)document;
+       CPDF_Dest dest = bookmark.GetDest(pDoc);
+       if (dest)
+               return dest;
+       // If this bookmark is not directly associated with a dest, we try to get action
+       CPDF_Action action = bookmark.GetAction();
+       if (!action)
+               return NULL;
+       return action.GetDest(pDoc);
+}
+
+DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK pDict)
+{
+       if (!pDict)
+               return NULL;
+       CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict);
+       return bookmark.GetAction();
+}
+
+DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION pDict)
+{
+       if (!pDict)
+               return 0;
+       CPDF_Action action = (CPDF_Dictionary*)pDict;
+       CPDF_Action::ActionType type = action.GetType();
+       switch (type) {
+               case CPDF_Action::GoTo:
+                       return PDFACTION_GOTO;
+               case CPDF_Action::GoToR:
+                       return PDFACTION_REMOTEGOTO;
+               case CPDF_Action::URI:
+                       return PDFACTION_URI;
+               case CPDF_Action::Launch:
+                       return PDFACTION_LAUNCH;
+               default:
+                       return PDFACTION_UNSUPPORTED;
+       }
+       return PDFACTION_UNSUPPORTED;
+}
+
+DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, FPDF_ACTION pDict)
+{
+       if (!document)
+               return NULL;
+       if (!pDict)
+               return NULL;
+       CPDF_Document* pDoc = (CPDF_Document*)document;
+       CPDF_Action action = (CPDF_Dictionary*)pDict;
+       return action.GetDest(pDoc);
+}
+
+DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION pDict,
+                                                                                         void* buffer, unsigned long buflen)
+{
+       if (!document)
+               return 0;
+       if (!pDict)
+               return 0;
+       CPDF_Document* pDoc = (CPDF_Document*)document;
+       CPDF_Action action = (CPDF_Dictionary*)pDict;
+       CFX_ByteString path = action.GetURI(pDoc);
+       unsigned long len = path.GetLength() + 1;
+       if (buffer != NULL && buflen >= len)
+               FXSYS_memcpy(buffer, path.c_str(), len);
+       return len;
+}
+
+DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST pDict)
+{
+       if (!document)
+               return 0;
+       if (!pDict)
+               return 0;
+       CPDF_Document* pDoc = (CPDF_Document*)document;
+       CPDF_Dest dest = (CPDF_Array*)pDict;
+       return dest.GetPageIndex(pDoc);
+}
+
+static void ReleaseLinkList(FX_LPVOID data)
+{
+       delete (CPDF_LinkList*)data;
+}
+
+DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y)
+{
+       if (!page)
+               return NULL;
+       CPDF_Page* pPage = (CPDF_Page*)page;
+       // Link list is stored with the document
+       CPDF_Document* pDoc = pPage->m_pDocument;
+       CPDF_LinkList* pLinkList = (CPDF_LinkList*)pDoc->GetPrivateData(&THISMODULE);
+       if (!pLinkList) {
+               pLinkList = FX_NEW CPDF_LinkList(pDoc);
+               pDoc->SetPrivateData(&THISMODULE, pLinkList, ReleaseLinkList);
+       }
+       return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y);
+}
+
+DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK pDict)
+{
+       if (!document)
+               return NULL;
+       CPDF_Document* pDoc = (CPDF_Document*)document;
+       if (!pDict)
+               return NULL;
+       CPDF_Link link = (CPDF_Dictionary*)pDict;
+
+       FPDF_DEST dest = link.GetDest(pDoc);
+       if (dest)
+               return dest;
+       // If this link is not directly associated with a dest, we try to get action
+       CPDF_Action action = link.GetAction();
+       if (!action)
+               return NULL;
+       return action.GetDest(pDoc);
+}
+
+DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK pDict)
+{
+       if (!pDict)
+               return NULL;
+       CPDF_Link link = (CPDF_Dictionary*)pDict;
+       return link.GetAction();
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, int* startPos, FPDF_LINK* linkAnnot)
+{
+       if(!page || !startPos || !linkAnnot)
+               return FALSE;
+       CPDF_Page* pPage = (CPDF_Page*)page;
+       if(!pPage->m_pFormDict)
+               return FALSE;
+       CPDF_Array* pAnnots = pPage->m_pFormDict->GetArray("Annots");
+       if(!pAnnots)
+               return FALSE;
+       for (int i = *startPos; i < (int)pAnnots->GetCount(); i++) {
+               CPDF_Dictionary* pDict = (CPDF_Dictionary*)pAnnots->GetElementValue(i);
+               if (!pDict || pDict->GetType() != PDFOBJ_DICTIONARY)
+                       continue;
+               if(pDict->GetString(FX_BSTRC("Subtype")).Equal(FX_BSTRC("Link"))) {
+                       *startPos = i + 1;
+                       *linkAnnot = (FPDF_LINK)pDict; 
+                       return TRUE;
+               }
+       }
+       return FALSE;
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot, FS_RECTF* rect)
+{
+       if(!linkAnnot || !rect)
+               return FALSE;
+       CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;
+       CPDF_Rect rt = pAnnotDict->GetRect(FX_BSTRC("Rect"));
+       rect->left = rt.left;
+       rect->bottom = rt.bottom;
+       rect->right = rt.right;
+       rect->top = rt.top;
+       return TRUE;
+}
+
+DLLEXPORT int STDCALL FPDFLink_CountQuadPoints(FPDF_LINK linkAnnot)
+{
+       if(!linkAnnot)
+               return 0;
+       CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;
+       CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));
+       if (!pArray)
+               return 0;
+       else
+               return pArray->GetCount() / 8;
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, int quadIndex, FS_QUADPOINTSF* quadPoints)
+{
+       if(!linkAnnot || !quadPoints)
+               return FALSE;
+       CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot;
+       CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints"));
+       if (pArray) {
+               if (quadIndex < 0 || quadIndex >= (int)pArray->GetCount()/8 || ((quadIndex*8+7) >= (int)pArray->GetCount()))
+                       return FALSE;
+               quadPoints->x1 = pArray->GetNumber(quadIndex*8);
+               quadPoints->y1 = pArray->GetNumber(quadIndex*8+1);
+               quadPoints->x2 = pArray->GetNumber(quadIndex*8+2);
+               quadPoints->y2 = pArray->GetNumber(quadIndex*8+3);
+               quadPoints->x3 = pArray->GetNumber(quadIndex*8+4);
+               quadPoints->y3 = pArray->GetNumber(quadIndex*8+5);
+               quadPoints->x4 = pArray->GetNumber(quadIndex*8+6);
+               quadPoints->y4 = pArray->GetNumber(quadIndex*8+7);
+               return TRUE;
+       } 
+       return FALSE;
+}
+
+DLLEXPORT unsigned long STDCALL FPDF_GetMetaText(FPDF_DOCUMENT doc, FPDF_BYTESTRING tag,
+                                                                                                void* buffer, unsigned long buflen)
+{
+       if (!doc || !tag)
+               return 0;
+       CPDF_Document* pDoc = (CPDF_Document*)doc;
+       // Get info dictionary
+       CPDF_Dictionary* pInfo = pDoc->GetInfo();
+       if (!pInfo)
+               return 0;
+       CFX_WideString text = pInfo->GetUnicodeText(tag);
+       // Use UTF-16LE encoding
+       CFX_ByteString encodedText = text.UTF16LE_Encode();
+       unsigned long len = encodedText.GetLength();
+       if (buffer && buflen >= len + 2) {
+               FXSYS_memcpy(buffer, encodedText.c_str(), len);
+               // use double zero as trailer
+               ((FX_BYTE*)buffer)[len] = 0;
+               ((FX_BYTE*)buffer)[len + 1] = 0;
+       }
+       return len+2;
+}