diff options
Diffstat (limited to 'fpdfsdk/src/fpdfdoc.cpp')
-rw-r--r-- | fpdfsdk/src/fpdfdoc.cpp | 518 |
1 files changed, 259 insertions, 259 deletions
diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp index d5d9000bd2..4fa6ba2197 100644 --- a/fpdfsdk/src/fpdfdoc.cpp +++ b/fpdfsdk/src/fpdfdoc.cpp @@ -1,259 +1,259 @@ -// 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);
-
- CFX_WideString wstr = CFX_WideString::FromUTF16LE(title);
- 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;
-}
-
+// 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); + + CFX_WideString wstr = CFX_WideString::FromUTF16LE(title); + 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; +} + |