core/src/fpdfdoc/doc_bookmark.cpp

// 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_Bookmark CPDF_BookmarkTree::GetFirstChild(CPDF_Bookmark Parent)
{
    if (Parent.m_pDict == NULL) {
        CPDF_Dictionary* pRoot = m_pDocument->GetRoot()->GetDict("Outlines");
        if (pRoot == NULL) {
            return NULL;
        }
        return pRoot->GetDict("First");
    }
    return Parent.m_pDict->GetDict("First");
}
CPDF_Bookmark CPDF_BookmarkTree::GetNextSibling(CPDF_Bookmark This)
{
    if (This.m_pDict == NULL) {
        return NULL;
    }
    CPDF_Dictionary *pNext = This.m_pDict->GetDict("Next");
    return pNext == This.m_pDict ? NULL : pNext;
}
FX_DWORD CPDF_Bookmark::GetColorRef()
{
    if (!m_pDict) {
        return 0;
    }
    CPDF_Array* pColor = m_pDict->GetArray("C");
    if (pColor == NULL) {
        return FXSYS_RGB(0, 0, 0);
    }
    int r = FXSYS_round(pColor->GetNumber(0) * 255);
    int g = FXSYS_round(pColor->GetNumber(1) * 255);
    int b = FXSYS_round(pColor->GetNumber(2) * 255);
    return FXSYS_RGB(r, g, b);
}
FX_DWORD CPDF_Bookmark::GetFontStyle()
{
    if (!m_pDict) {
        return 0;
    }
    return m_pDict->GetInteger("F");
}
CFX_WideString CPDF_Bookmark::GetTitle()
{
    if (!m_pDict) {
        return CFX_WideString();
    }
    CPDF_String* pString = (CPDF_String*)m_pDict->GetElementValue("Title");
    if (pString == NULL || pString->GetType() != PDFOBJ_STRING) {
        return CFX_WideString();
    }
    CFX_WideString title = pString->GetUnicodeText();
    FX_LPWSTR buf = title.LockBuffer();
    int len = title.GetLength(), i;
    for (i = 0; i < len; i ++)
        if (buf[i] < 0x20) {
            buf[i] = 0x20;
        }
    title.ReleaseBuffer(len);
    return title;
}
CPDF_Dest CPDF_Bookmark::GetDest(CPDF_Document* pDocument)
{
    if (!m_pDict) {
        return NULL;
    }
    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(pDocument, FX_BSTRC("Dests"));
        CFX_ByteStringC name = pDest->GetString();
        return name_tree.LookupNamedDest(pDocument, name);
    } else if (pDest->GetType() == PDFOBJ_ARRAY) {
        return (CPDF_Array*)pDest;
    }
    return NULL;
}
CPDF_Action CPDF_Bookmark::GetAction()
{
    if (!m_pDict) {
        return NULL;
    }
    return m_pDict->GetDict("A");
}