| // 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 this_module = 0; |
| |
| static CPDF_Bookmark FindBookmark(CPDF_BookmarkTree& tree, CPDF_Bookmark This, const CFX_WideString& title) |
| { |
| if (This != NULL) { |
| // First check this item |
| CFX_WideString this_title = This.GetTitle(); |
| if (this_title.CompareNoCase(title) == 0) |
| return This; |
| } |
| // go into children items |
| CPDF_Bookmark Child = tree.GetFirstChild(This); |
| while (Child != NULL) { |
| // check if this item |
| CPDF_Bookmark Found = FindBookmark(tree, Child, title); |
| if (Found) return Found; |
| Child = tree.GetNextSibling(Child); |
| } |
| return NULL; |
| } |
| |
| DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title) |
| { |
| if (document == NULL) return NULL; |
| if (title == NULL || title[0] == 0) return NULL; |
| |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| CPDF_BookmarkTree tree(pDoc); |
| |
| FX_STRSIZE len = CFX_WideString::WStringLength(title); |
| CFX_WideString wstr = CFX_WideString::FromUTF16LE(title, len); |
| return FindBookmark(tree, NULL, wstr); |
| } |
| |
| DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark) |
| { |
| if (document == NULL) return NULL; |
| if (bookmark == NULL) return NULL; |
| |
| CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark; |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| CPDF_Dest dest = Bookmark.GetDest(pDoc); |
| if (dest != NULL) return dest; |
| |
| // If this bookmark is not directly associated with a dest, we try to get action |
| CPDF_Action Action = Bookmark.GetAction(); |
| if (Action == NULL) return NULL; |
| return Action.GetDest(pDoc); |
| } |
| |
| DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK bookmark) |
| { |
| if (bookmark == NULL) return NULL; |
| |
| CPDF_Bookmark Bookmark = (CPDF_Dictionary*)bookmark; |
| return Bookmark.GetAction(); |
| } |
| |
| DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION action) |
| { |
| if (action == NULL) return 0; |
| |
| CPDF_Action Action = (CPDF_Dictionary*)action; |
| 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 action) |
| { |
| if (document == NULL) return NULL; |
| if (action == NULL) return NULL; |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| CPDF_Action Action = (CPDF_Dictionary*)action; |
| |
| return Action.GetDest(pDoc); |
| } |
| |
| DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION action, |
| void* buffer, unsigned long buflen) |
| { |
| if (document == NULL) return 0; |
| if (action == NULL) return 0; |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| CPDF_Action Action = (CPDF_Dictionary*)action; |
| |
| CFX_ByteString path = Action.GetURI(pDoc); |
| unsigned long len = path.GetLength() + 1; |
| if (buffer != NULL && buflen >= len) |
| FXSYS_memcpy(buffer, (FX_LPCSTR)path, len); |
| return len; |
| } |
| |
| DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST dest) |
| { |
| if (document == NULL) return 0; |
| if (dest == NULL) return 0; |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| CPDF_Dest Dest = (CPDF_Array*)dest; |
| |
| 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 == NULL) 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(&this_module); |
| if (pLinkList == NULL) { |
| pLinkList = FX_NEW CPDF_LinkList(pDoc); |
| pDoc->SetPrivateData(&this_module, pLinkList, ReleaseLinkList); |
| } |
| |
| return pLinkList->GetLinkAtPoint(pPage, (FX_FLOAT)x, (FX_FLOAT)y); |
| } |
| |
| DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK link) |
| { |
| if (document == NULL) return NULL; |
| CPDF_Document* pDoc = (CPDF_Document*)document; |
| if (link == NULL) return NULL; |
| CPDF_Link Link = (CPDF_Dictionary*)link; |
| |
| 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 == NULL) return NULL; |
| return Action.GetDest(pDoc); |
| } |
| |
| DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK link) |
| { |
| if (link == NULL) return NULL; |
| CPDF_Link Link = (CPDF_Dictionary*)link; |
| |
| 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 == NULL || 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 == NULL) |
| 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 (0 > quadIndex || 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 == NULL || tag == NULL) return 0; |
| |
| CPDF_Document* pDoc = (CPDF_Document*)doc; |
| // Get info dictionary |
| CPDF_Dictionary* pInfo = pDoc->GetInfo(); |
| if (pInfo == NULL) return 0; |
| |
| CFX_WideString text = pInfo->GetUnicodeText(tag); |
| |
| // Use UTF-16LE encoding |
| CFX_ByteString bstr = text.UTF16LE_Encode(); |
| unsigned long len = bstr.GetLength(); |
| if (buffer != NULL && buflen >= len+2) { |
| FXSYS_memcpy(buffer, (FX_LPCSTR)bstr, len); |
| // use double zero as trailer |
| ((FX_BYTE*)buffer)[len] = ((FX_BYTE*)buffer)[len+1] = 0; |
| } |
| return len+2; |
| } |
| |