summaryrefslogtreecommitdiff
path: root/core/fpdfdoc/doc_link.cpp
diff options
context:
space:
mode:
authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fpdfdoc/doc_link.cpp
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fpdfdoc/doc_link.cpp')
-rw-r--r--core/fpdfdoc/doc_link.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/core/fpdfdoc/doc_link.cpp b/core/fpdfdoc/doc_link.cpp
new file mode 100644
index 0000000000..8aedb40034
--- /dev/null
+++ b/core/fpdfdoc/doc_link.cpp
@@ -0,0 +1,92 @@
+// 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 "core/include/fpdfdoc/fpdf_doc.h"
+
+#include <vector>
+
+#include "core/include/fpdfapi/cpdf_array.h"
+
+CPDF_LinkList::CPDF_LinkList() {}
+
+CPDF_LinkList::~CPDF_LinkList() {}
+
+const std::vector<CPDF_Dictionary*>* CPDF_LinkList::GetPageLinks(
+ CPDF_Page* pPage) {
+ FX_DWORD objnum = pPage->m_pFormDict->GetObjNum();
+ if (objnum == 0)
+ return nullptr;
+
+ auto it = m_PageMap.find(objnum);
+ if (it != m_PageMap.end())
+ return &it->second;
+
+ // std::map::operator[] forces the creation of a map entry.
+ std::vector<CPDF_Dictionary*>& page_link_list = m_PageMap[objnum];
+ LoadPageLinks(pPage, &page_link_list);
+ return &page_link_list;
+}
+
+CPDF_Link CPDF_LinkList::GetLinkAtPoint(CPDF_Page* pPage,
+ FX_FLOAT pdf_x,
+ FX_FLOAT pdf_y,
+ int* z_order) {
+ const std::vector<CPDF_Dictionary*>* pPageLinkList = GetPageLinks(pPage);
+ if (!pPageLinkList)
+ return CPDF_Link();
+
+ for (size_t i = pPageLinkList->size(); i > 0; --i) {
+ size_t annot_index = i - 1;
+ CPDF_Dictionary* pAnnot = (*pPageLinkList)[annot_index];
+ if (!pAnnot)
+ continue;
+
+ CPDF_Link link(pAnnot);
+ CFX_FloatRect rect = link.GetRect();
+ if (!rect.Contains(pdf_x, pdf_y))
+ continue;
+
+ if (z_order)
+ *z_order = annot_index;
+ return link;
+ }
+ return CPDF_Link();
+}
+
+void CPDF_LinkList::LoadPageLinks(CPDF_Page* pPage,
+ std::vector<CPDF_Dictionary*>* pList) {
+ CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArrayBy("Annots");
+ if (!pAnnotList)
+ return;
+
+ for (FX_DWORD i = 0; i < pAnnotList->GetCount(); ++i) {
+ CPDF_Dictionary* pAnnot = pAnnotList->GetDictAt(i);
+ bool add_link = (pAnnot && pAnnot->GetStringBy("Subtype") == "Link");
+ // Add non-links as nullptrs to preserve z-order.
+ pList->push_back(add_link ? pAnnot : nullptr);
+ }
+}
+
+CFX_FloatRect CPDF_Link::GetRect() {
+ return m_pDict->GetRectBy("Rect");
+}
+CPDF_Dest CPDF_Link::GetDest(CPDF_Document* pDoc) {
+ CPDF_Object* pDest = m_pDict->GetElementValue("Dest");
+ if (!pDest)
+ return CPDF_Dest();
+
+ if (pDest->IsString() || pDest->IsName()) {
+ CPDF_NameTree name_tree(pDoc, "Dests");
+ CFX_ByteStringC name = pDest->GetString();
+ return CPDF_Dest(name_tree.LookupNamedDest(pDoc, name));
+ }
+ if (CPDF_Array* pArray = pDest->AsArray())
+ return CPDF_Dest(pArray);
+ return CPDF_Dest();
+}
+CPDF_Action CPDF_Link::GetAction() {
+ return CPDF_Action(m_pDict->GetDictBy("A"));
+}