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| author | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
|---|---|---|
| committer | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
| commit | 5110c4743751145c4ae1934cd1d83bc6c55bb43f (patch) | |
| tree | b141608096b73163182764c25b895d3df4b2c182 /core/src/fpdfdoc/doc_link.cpp | |
| parent | 76b563d2feed92ed328afb1f15e3466a9536b11b (diff) | |
| download | pdfium-5110c4743751145c4ae1934cd1d83bc6c55bb43f.tar.xz | |
Initial commit.
Diffstat (limited to 'core/src/fpdfdoc/doc_link.cpp')
| -rw-r--r-- | core/src/fpdfdoc/doc_link.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/core/src/fpdfdoc/doc_link.cpp b/core/src/fpdfdoc/doc_link.cpp new file mode 100644 index 0000000000..4c8fda7a34 --- /dev/null +++ b/core/src/fpdfdoc/doc_link.cpp @@ -0,0 +1,105 @@ +// 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"
+CPDF_LinkList::~CPDF_LinkList()
+{
+ FX_POSITION pos = m_PageMap.GetStartPosition();
+ while (pos) {
+ FX_LPVOID key, value;
+ m_PageMap.GetNextAssoc(pos, key, value);
+ delete (CFX_PtrArray*)value;
+ }
+}
+CFX_PtrArray* CPDF_LinkList::GetPageLinks(CPDF_Page* pPage)
+{
+ FX_DWORD objnum = pPage->m_pFormDict->GetObjNum();
+ if (objnum == 0) {
+ return NULL;
+ }
+ CFX_PtrArray* pPageLinkList = NULL;
+ if (!m_PageMap.Lookup((FX_LPVOID)(FX_UINTPTR)objnum, (FX_LPVOID&)pPageLinkList)) {
+ pPageLinkList = FX_NEW CFX_PtrArray;
+ if (pPageLinkList == NULL) {
+ return NULL;
+ }
+ m_PageMap.SetAt((FX_LPVOID)(FX_UINTPTR)objnum, pPageLinkList);
+ LoadPageLinks(pPage, pPageLinkList);
+ }
+ return pPageLinkList;
+}
+int CPDF_LinkList::CountLinks(CPDF_Page* pPage)
+{
+ CFX_PtrArray* pPageLinkList = GetPageLinks(pPage);
+ if (pPageLinkList == NULL) {
+ return 0;
+ }
+ return pPageLinkList->GetSize();
+}
+CPDF_Link CPDF_LinkList::GetLink(CPDF_Page* pPage, int index)
+{
+ CFX_PtrArray* pPageLinkList = GetPageLinks(pPage);
+ if (pPageLinkList == NULL) {
+ return NULL;
+ }
+ return (CPDF_Dictionary*)pPageLinkList->GetAt(index);
+}
+CPDF_Link CPDF_LinkList::GetLinkAtPoint(CPDF_Page* pPage, FX_FLOAT pdf_x, FX_FLOAT pdf_y)
+{
+ CFX_PtrArray* pPageLinkList = GetPageLinks(pPage);
+ if (pPageLinkList == NULL) {
+ return NULL;
+ }
+ int size = pPageLinkList->GetSize();
+ for (int i = 0; i < size; i ++) {
+ CPDF_Link Link = (CPDF_Dictionary*)pPageLinkList->GetAt(i);
+ CPDF_Rect rect = Link.GetRect();
+ if (rect.Contains(pdf_x, pdf_y)) {
+ return Link;
+ }
+ }
+ return NULL;
+}
+void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage, CFX_PtrArray* pList)
+{
+ CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArray("Annots");
+ if (pAnnotList == NULL) {
+ return;
+ }
+ for (FX_DWORD i = 0; i < pAnnotList->GetCount(); i ++) {
+ CPDF_Dictionary* pAnnot = pAnnotList->GetDict(i);
+ if (pAnnot == NULL) {
+ continue;
+ }
+ if (pAnnot->GetString("Subtype") != "Link") {
+ continue;
+ }
+ pList->Add(pAnnot);
+ }
+}
+CPDF_Rect CPDF_Link::GetRect()
+{
+ return m_pDict->GetRect("Rect");
+}
+CPDF_Dest CPDF_Link::GetDest(CPDF_Document* pDoc)
+{
+ CPDF_Object* pDest = m_pDict->GetElementValue("Dest");
+ if (pDest == NULL) {
+ return NULL;
+ }
+ if (pDest->GetType() == PDFOBJ_STRING || pDest->GetType() == PDFOBJ_NAME) {
+ CPDF_NameTree name_tree(pDoc, FX_BSTRC("Dests"));
+ CFX_ByteStringC name = pDest->GetString();
+ return name_tree.LookupNamedDest(pDoc, name);
+ } else if (pDest->GetType() == PDFOBJ_ARRAY) {
+ return (CPDF_Array*)pDest;
+ }
+ return NULL;
+}
+CPDF_Action CPDF_Link::GetAction()
+{
+ return m_pDict->GetDict("A");
+}
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