1 files changed, 0 insertions, 770 deletions
diff --git a/core/fpdfdoc/doc_utils.cpp b/core/fpdfdoc/doc_utils.cpp
deleted file mode 100644
index aaaaddf0c6..0000000000
--- a/core/fpdfdoc/doc_utils.cpp
+++ /dev/null
@@ -1,770 +0,0 @@
-// 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 <algorithm>
-#include <vector>
-
-#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
-#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
-#include "core/fpdfdoc/doc_utils.h"
-#include "core/fpdfdoc/include/cpdf_defaultappearance.h"
-#include "core/fpdfdoc/include/cpdf_formcontrol.h"
-#include "core/fpdfdoc/include/cpdf_interform.h"
-#include "core/fxge/include/fx_font.h"
-
-namespace {
-
-const int FPDFDOC_UTILS_MAXRECURSION = 32;
-
-CPDF_Object* SearchNumberNode(const CPDF_Dictionary* pNode, int num) {
-  CPDF_Array* pLimits = pNode->GetArrayBy("Limits");
-  if (pLimits &&
-      (num < pLimits->GetIntegerAt(0) || num > pLimits->GetIntegerAt(1))) {
-    return nullptr;
-  }
-  CPDF_Array* pNumbers = pNode->GetArrayBy("Nums");
-  if (pNumbers) {
-    for (size_t i = 0; i < pNumbers->GetCount() / 2; i++) {
-      int index = pNumbers->GetIntegerAt(i * 2);
-      if (num == index) {
-        return pNumbers->GetDirectObjectAt(i * 2 + 1);
-      }
-      if (index > num) {
-        break;
-      }
-    }
-    return nullptr;
-  }
-  CPDF_Array* pKids = pNode->GetArrayBy("Kids");
-  if (!pKids) {
-    return nullptr;
-  }
-  for (size_t i = 0; i < pKids->GetCount(); i++) {
-    CPDF_Dictionary* pKid = pKids->GetDictAt(i);
-    if (!pKid) {
-      continue;
-    }
-    CPDF_Object* pFound = SearchNumberNode(pKid, num);
-    if (pFound) {
-      return pFound;
-    }
-  }
-  return nullptr;
-}
-
-}  // namespace
-
-CPDF_Object* CPDF_NumberTree::LookupValue(int num) const {
-  return SearchNumberNode(m_pRoot, num);
-}
-
-CFX_WideString GetFullName(CPDF_Dictionary* pFieldDict) {
-  CFX_WideString full_name;
-  CPDF_Dictionary* pLevel = pFieldDict;
-  while (pLevel) {
-    CFX_WideString short_name = pLevel->GetUnicodeTextBy("T");
-    if (short_name != L"") {
-      if (full_name == L"") {
-        full_name = short_name;
-      } else {
-        full_name = short_name + L"." + full_name;
-      }
-    }
-    pLevel = pLevel->GetDictBy("Parent");
-  }
-  return full_name;
-}
-FX_BOOL CPDF_DefaultAppearance::HasFont() {
-  if (m_csDA.IsEmpty()) {
-    return FALSE;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  return syntax.FindTagParamFromStart("Tf", 2);
-}
-CFX_ByteString CPDF_DefaultAppearance::GetFontString() {
-  CFX_ByteString csFont;
-  if (m_csDA.IsEmpty()) {
-    return csFont;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart("Tf", 2)) {
-    csFont += syntax.GetWord();
-    csFont += " ";
-    csFont += syntax.GetWord();
-    csFont += " ";
-    csFont += syntax.GetWord();
-  }
-  return csFont;
-}
-void CPDF_DefaultAppearance::GetFont(CFX_ByteString& csFontNameTag,
-                                     FX_FLOAT& fFontSize) {
-  csFontNameTag = "";
-  fFontSize = 0;
-  if (m_csDA.IsEmpty()) {
-    return;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart("Tf", 2)) {
-    csFontNameTag = CFX_ByteString(syntax.GetWord());
-    csFontNameTag.Delete(0, 1);
-    fFontSize = FX_atof(syntax.GetWord());
-  }
-  csFontNameTag = PDF_NameDecode(csFontNameTag);
-}
-FX_BOOL CPDF_DefaultAppearance::HasColor(PaintOperation nOperation) {
-  if (m_csDA.IsEmpty()) {
-    return FALSE;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) {
-    return TRUE;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) {
-    return TRUE;
-  }
-  return syntax.FindTagParamFromStart(
-      (nOperation == PaintOperation::STROKE ? "K" : "k"), 4);
-}
-CFX_ByteString CPDF_DefaultAppearance::GetColorString(
-    PaintOperation nOperation) {
-  CFX_ByteString csColor;
-  if (m_csDA.IsEmpty()) {
-    return csColor;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) {
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    return csColor;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) {
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    return csColor;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "K" : "k"), 4)) {
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-    csColor += " ";
-    csColor += syntax.GetWord();
-  }
-  return csColor;
-}
-void CPDF_DefaultAppearance::GetColor(int& iColorType,
-                                      FX_FLOAT fc[4],
-                                      PaintOperation nOperation) {
-  iColorType = COLORTYPE_TRANSPARENT;
-  for (int c = 0; c < 4; c++) {
-    fc[c] = 0;
-  }
-  if (m_csDA.IsEmpty()) {
-    return;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) {
-    iColorType = COLORTYPE_GRAY;
-    fc[0] = FX_atof(syntax.GetWord());
-    return;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) {
-    iColorType = COLORTYPE_RGB;
-    fc[0] = FX_atof(syntax.GetWord());
-    fc[1] = FX_atof(syntax.GetWord());
-    fc[2] = FX_atof(syntax.GetWord());
-    return;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "K" : "k"), 4)) {
-    iColorType = COLORTYPE_CMYK;
-    fc[0] = FX_atof(syntax.GetWord());
-    fc[1] = FX_atof(syntax.GetWord());
-    fc[2] = FX_atof(syntax.GetWord());
-    fc[3] = FX_atof(syntax.GetWord());
-  }
-}
-void CPDF_DefaultAppearance::GetColor(FX_ARGB& color,
-                                      int& iColorType,
-                                      PaintOperation nOperation) {
-  color = 0;
-  iColorType = COLORTYPE_TRANSPARENT;
-  if (m_csDA.IsEmpty()) {
-    return;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "G" : "g"), 1)) {
-    iColorType = COLORTYPE_GRAY;
-    FX_FLOAT g = FX_atof(syntax.GetWord()) * 255 + 0.5f;
-    color = ArgbEncode(255, (int)g, (int)g, (int)g);
-    return;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "RG" : "rg"), 3)) {
-    iColorType = COLORTYPE_RGB;
-    FX_FLOAT r = FX_atof(syntax.GetWord()) * 255 + 0.5f;
-    FX_FLOAT g = FX_atof(syntax.GetWord()) * 255 + 0.5f;
-    FX_FLOAT b = FX_atof(syntax.GetWord()) * 255 + 0.5f;
-    color = ArgbEncode(255, (int)r, (int)g, (int)b);
-    return;
-  }
-  if (syntax.FindTagParamFromStart(
-          (nOperation == PaintOperation::STROKE ? "K" : "k"), 4)) {
-    iColorType = COLORTYPE_CMYK;
-    FX_FLOAT c = FX_atof(syntax.GetWord());
-    FX_FLOAT m = FX_atof(syntax.GetWord());
-    FX_FLOAT y = FX_atof(syntax.GetWord());
-    FX_FLOAT k = FX_atof(syntax.GetWord());
-    FX_FLOAT r = 1.0f - std::min(1.0f, c + k);
-    FX_FLOAT g = 1.0f - std::min(1.0f, m + k);
-    FX_FLOAT b = 1.0f - std::min(1.0f, y + k);
-    color = ArgbEncode(255, (int)(r * 255 + 0.5f), (int)(g * 255 + 0.5f),
-                       (int)(b * 255 + 0.5f));
-  }
-}
-FX_BOOL CPDF_DefaultAppearance::HasTextMatrix() {
-  if (m_csDA.IsEmpty()) {
-    return FALSE;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  return syntax.FindTagParamFromStart("Tm", 6);
-}
-CFX_ByteString CPDF_DefaultAppearance::GetTextMatrixString() {
-  CFX_ByteString csTM;
-  if (m_csDA.IsEmpty()) {
-    return csTM;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart("Tm", 6)) {
-    for (int i = 0; i < 6; i++) {
-      csTM += syntax.GetWord();
-      csTM += " ";
-    }
-    csTM += syntax.GetWord();
-  }
-  return csTM;
-}
-CFX_Matrix CPDF_DefaultAppearance::GetTextMatrix() {
-  CFX_Matrix tm;
-  if (m_csDA.IsEmpty()) {
-    return tm;
-  }
-  CPDF_SimpleParser syntax(m_csDA.AsStringC());
-  if (syntax.FindTagParamFromStart("Tm", 6)) {
-    FX_FLOAT f[6];
-    for (int i = 0; i < 6; i++) {
-      f[i] = FX_atof(syntax.GetWord());
-    }
-    tm.Set(f[0], f[1], f[2], f[3], f[4], f[5]);
-  }
-  return tm;
-}
-
-void InitInterFormDict(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument) {
-  if (!pDocument)
-    return;
-
-  if (!pFormDict) {
-    pFormDict = new CPDF_Dictionary;
-    uint32_t dwObjNum = pDocument->AddIndirectObject(pFormDict);
-    CPDF_Dictionary* pRoot = pDocument->GetRoot();
-    pRoot->SetAtReference("AcroForm", pDocument, dwObjNum);
-  }
-  CFX_ByteString csDA;
-  if (!pFormDict->KeyExist("DR")) {
-    CFX_ByteString csBaseName;
-    CFX_ByteString csDefault;
-    uint8_t charSet = CPDF_InterForm::GetNativeCharSet();
-    CPDF_Font* pFont = CPDF_InterForm::AddStandardFont(pDocument, "Helvetica");
-    if (pFont) {
-      AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);
-      csDefault = csBaseName;
-    }
-    if (charSet != FXFONT_ANSI_CHARSET) {
-      CFX_ByteString csFontName =
-          CPDF_InterForm::GetNativeFont(charSet, nullptr);
-      if (!pFont || csFontName != "Helvetica") {
-        pFont = CPDF_InterForm::AddNativeFont(pDocument);
-        if (pFont) {
-          csBaseName = "";
-          AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);
-          csDefault = csBaseName;
-        }
-      }
-    }
-    if (pFont) {
-      csDA = "/" + PDF_NameEncode(csDefault) + " 0 Tf";
-    }
-  }
-  if (!csDA.IsEmpty()) {
-    csDA += " ";
-  }
-  csDA += "0 g";
-  if (!pFormDict->KeyExist("DA")) {
-    pFormDict->SetAtString("DA", csDA);
-  }
-}
-uint32_t CountInterFormFonts(CPDF_Dictionary* pFormDict) {
-  if (!pFormDict) {
-    return 0;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return 0;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return 0;
-  }
-  uint32_t dwCount = 0;
-  for (const auto& it : *pFonts) {
-    CPDF_Object* pObj = it.second;
-    if (!pObj) {
-      continue;
-    }
-    if (CPDF_Dictionary* pDirect = ToDictionary(pObj->GetDirect())) {
-      if (pDirect->GetStringBy("Type") == "Font") {
-        dwCount++;
-      }
-    }
-  }
-  return dwCount;
-}
-CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
-                            CPDF_Document* pDocument,
-                            uint32_t index,
-                            CFX_ByteString& csNameTag) {
-  if (!pFormDict) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return nullptr;
-  }
-  uint32_t dwCount = 0;
-  for (const auto& it : *pFonts) {
-    const CFX_ByteString& csKey = it.first;
-    CPDF_Object* pObj = it.second;
-    if (!pObj) {
-      continue;
-    }
-    CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
-    if (!pElement)
-      continue;
-    if (pElement->GetStringBy("Type") != "Font")
-      continue;
-    if (dwCount == index) {
-      csNameTag = csKey;
-      return pDocument->LoadFont(pElement);
-    }
-    dwCount++;
-  }
-  return nullptr;
-}
-CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
-                            CPDF_Document* pDocument,
-                            CFX_ByteString csNameTag) {
-  CFX_ByteString csAlias = PDF_NameDecode(csNameTag);
-  if (!pFormDict || csAlias.IsEmpty()) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pElement = pFonts->GetDictBy(csAlias);
-  if (!pElement) {
-    return nullptr;
-  }
-  if (pElement->GetStringBy("Type") == "Font") {
-    return pDocument->LoadFont(pElement);
-  }
-  return nullptr;
-}
-CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict,
-                            CPDF_Document* pDocument,
-                            CFX_ByteString csFontName,
-                            CFX_ByteString& csNameTag) {
-  if (!pFormDict || csFontName.IsEmpty()) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return nullptr;
-  }
-  for (const auto& it : *pFonts) {
-    const CFX_ByteString& csKey = it.first;
-    CPDF_Object* pObj = it.second;
-    if (!pObj) {
-      continue;
-    }
-    CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
-    if (!pElement)
-      continue;
-    if (pElement->GetStringBy("Type") != "Font")
-      continue;
-
-    CPDF_Font* pFind = pDocument->LoadFont(pElement);
-    if (!pFind)
-      continue;
-
-    CFX_ByteString csBaseFont;
-    csBaseFont = pFind->GetBaseFont();
-    csBaseFont.Remove(' ');
-    if (csBaseFont == csFontName) {
-      csNameTag = csKey;
-      return pFind;
-    }
-  }
-  return nullptr;
-}
-CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict,
-                                  CPDF_Document* pDocument,
-                                  uint8_t charSet,
-                                  CFX_ByteString& csNameTag) {
-  if (!pFormDict) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return nullptr;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return nullptr;
-  }
-  for (const auto& it : *pFonts) {
-    const CFX_ByteString& csKey = it.first;
-    CPDF_Object* pObj = it.second;
-    if (!pObj) {
-      continue;
-    }
-    CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
-    if (!pElement)
-      continue;
-    if (pElement->GetStringBy("Type") != "Font")
-      continue;
-    CPDF_Font* pFind = pDocument->LoadFont(pElement);
-    if (!pFind) {
-      continue;
-    }
-    CFX_SubstFont* pSubst = pFind->GetSubstFont();
-    if (!pSubst) {
-      continue;
-    }
-    if (pSubst->m_Charset == (int)charSet) {
-      csNameTag = csKey;
-      return pFind;
-    }
-  }
-  return nullptr;
-}
-
-CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict,
-                                  CPDF_Document* pDocument,
-                                  CFX_ByteString& csNameTag) {
-  csNameTag.clear();
-  uint8_t charSet = CPDF_InterForm::GetNativeCharSet();
-  CPDF_Font* pFont = GetDefaultInterFormFont(pFormDict, pDocument);
-  if (pFont) {
-    CFX_SubstFont* pSubst = pFont->GetSubstFont();
-    if (pSubst && pSubst->m_Charset == (int)charSet) {
-      FindInterFormFont(pFormDict, pFont, csNameTag);
-      return pFont;
-    }
-  }
-  return GetNativeInterFormFont(pFormDict, pDocument, charSet, csNameTag);
-}
-
-FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict,
-                          const CPDF_Font* pFont,
-                          CFX_ByteString& csNameTag) {
-  if (!pFormDict || !pFont) {
-    return FALSE;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return FALSE;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return FALSE;
-  }
-  for (const auto& it : *pFonts) {
-    const CFX_ByteString& csKey = it.first;
-    CPDF_Object* pObj = it.second;
-    if (!pObj) {
-      continue;
-    }
-    CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
-    if (!pElement)
-      continue;
-    if (pElement->GetStringBy("Type") != "Font") {
-      continue;
-    }
-    if (pFont->GetFontDict() == pElement) {
-      csNameTag = csKey;
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
-FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict,
-                          CPDF_Document* pDocument,
-                          CFX_ByteString csFontName,
-                          CPDF_Font*& pFont,
-                          CFX_ByteString& csNameTag) {
-  if (!pFormDict) {
-    return FALSE;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return FALSE;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return FALSE;
-  }
-  if (csFontName.GetLength() > 0) {
-    csFontName.Remove(' ');
-  }
-  for (const auto& it : *pFonts) {
-    const CFX_ByteString& csKey = it.first;
-    CPDF_Object* pObj = it.second;
-    if (!pObj) {
-      continue;
-    }
-    CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect());
-    if (!pElement)
-      continue;
-    if (pElement->GetStringBy("Type") != "Font") {
-      continue;
-    }
-    pFont = pDocument->LoadFont(pElement);
-    if (!pFont) {
-      continue;
-    }
-    CFX_ByteString csBaseFont;
-    csBaseFont = pFont->GetBaseFont();
-    csBaseFont.Remove(' ');
-    if (csBaseFont == csFontName) {
-      csNameTag = csKey;
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
-void AddInterFormFont(CPDF_Dictionary*& pFormDict,
-                      CPDF_Document* pDocument,
-                      const CPDF_Font* pFont,
-                      CFX_ByteString& csNameTag) {
-  if (!pFont) {
-    return;
-  }
-  if (!pFormDict) {
-    InitInterFormDict(pFormDict, pDocument);
-  }
-  CFX_ByteString csTag;
-  if (FindInterFormFont(pFormDict, pFont, csTag)) {
-    csNameTag = csTag;
-    return;
-  }
-  if (!pFormDict) {
-    InitInterFormDict(pFormDict, pDocument);
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    pDR = new CPDF_Dictionary;
-    pFormDict->SetAt("DR", pDR);
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    pFonts = new CPDF_Dictionary;
-    pDR->SetAt("Font", pFonts);
-  }
-  if (csNameTag.IsEmpty()) {
-    csNameTag = pFont->GetBaseFont();
-  }
-  csNameTag.Remove(' ');
-  csNameTag = CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4,
-                                                      csNameTag.c_str());
-  pFonts->SetAtReference(csNameTag, pDocument, pFont->GetFontDict());
-}
-CPDF_Font* AddNativeInterFormFont(CPDF_Dictionary*& pFormDict,
-                                  CPDF_Document* pDocument,
-                                  uint8_t charSet,
-                                  CFX_ByteString& csNameTag) {
-  if (!pFormDict) {
-    InitInterFormDict(pFormDict, pDocument);
-  }
-  CFX_ByteString csTemp;
-  CPDF_Font* pFont =
-      GetNativeInterFormFont(pFormDict, pDocument, charSet, csTemp);
-  if (pFont) {
-    csNameTag = csTemp;
-    return pFont;
-  }
-  CFX_ByteString csFontName = CPDF_InterForm::GetNativeFont(charSet);
-  if (!csFontName.IsEmpty() &&
-      FindInterFormFont(pFormDict, pDocument, csFontName, pFont, csNameTag)) {
-    return pFont;
-  }
-  pFont = CPDF_InterForm::AddNativeFont(charSet, pDocument);
-  if (pFont) {
-    AddInterFormFont(pFormDict, pDocument, pFont, csNameTag);
-  }
-  return pFont;
-}
-CPDF_Font* AddNativeInterFormFont(CPDF_Dictionary*& pFormDict,
-                                  CPDF_Document* pDocument,
-                                  CFX_ByteString& csNameTag) {
-  uint8_t charSet = CPDF_InterForm::GetNativeCharSet();
-  return AddNativeInterFormFont(pFormDict, pDocument, charSet, csNameTag);
-}
-void RemoveInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont) {
-  if (!pFormDict || !pFont) {
-    return;
-  }
-  CFX_ByteString csTag;
-  if (!FindInterFormFont(pFormDict, pFont, csTag)) {
-    return;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  pFonts->RemoveAt(csTag);
-}
-
-void RemoveInterFormFont(CPDF_Dictionary* pFormDict, CFX_ByteString csNameTag) {
-  if (!pFormDict || csNameTag.IsEmpty()) {
-    return;
-  }
-  CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR");
-  if (!pDR) {
-    return;
-  }
-  CPDF_Dictionary* pFonts = pDR->GetDictBy("Font");
-  if (!pFonts) {
-    return;
-  }
-  pFonts->RemoveAt(csNameTag);
-}
-
-CPDF_Font* GetDefaultInterFormFont(CPDF_Dictionary* pFormDict,
-                                   CPDF_Document* pDocument) {
-  if (!pFormDict) {
-    return nullptr;
-  }
-  CPDF_DefaultAppearance cDA(pFormDict->GetStringBy("DA"));
-  CFX_ByteString csFontNameTag;
-  FX_FLOAT fFontSize;
-  cDA.GetFont(csFontNameTag, fFontSize);
-  return GetInterFormFont(pFormDict, pDocument, csFontNameTag);
-}
-
-CPDF_IconFit::ScaleMethod CPDF_IconFit::GetScaleMethod() {
-  if (!m_pDict) {
-    return Always;
-  }
-  CFX_ByteString csSW = m_pDict->GetStringBy("SW", "A");
-  if (csSW == "B") {
-    return Bigger;
-  }
-  if (csSW == "S") {
-    return Smaller;
-  }
-  if (csSW == "N") {
-    return Never;
-  }
-  return Always;
-}
-FX_BOOL CPDF_IconFit::IsProportionalScale() {
-  if (!m_pDict) {
-    return TRUE;
-  }
-  return m_pDict->GetStringBy("S", "P") != "A";
-}
-void CPDF_IconFit::GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom) {
-  fLeft = fBottom = 0.5;
-  if (!m_pDict) {
-    return;
-  }
-  CPDF_Array* pA = m_pDict->GetArrayBy("A");
-  if (pA) {
-    uint32_t dwCount = pA->GetCount();
-    if (dwCount > 0) {
-      fLeft = pA->GetNumberAt(0);
-    }
-    if (dwCount > 1) {
-      fBottom = pA->GetNumberAt(1);
-    }
-  }
-}
-
-bool CPDF_IconFit::GetFittingBounds() {
-  return m_pDict ? m_pDict->GetBooleanBy("FB") : false;
-}
-
-std::vector<bool> SaveCheckedFieldStatus(CPDF_FormField* pField) {
-  std::vector<bool> result;
-  int iCount = pField->CountControls();
-  for (int i = 0; i < iCount; ++i) {
-    if (CPDF_FormControl* pControl = pField->GetControl(i))
-      result.push_back(pControl->IsChecked());
-  }
-  return result;
-}
-
-CPDF_Object* FPDF_GetFieldAttr(CPDF_Dictionary* pFieldDict,
-                               const FX_CHAR* name,
-                               int nLevel) {
-  if (nLevel > FPDFDOC_UTILS_MAXRECURSION) {
-    return nullptr;
-  }
-  if (!pFieldDict) {
-    return nullptr;
-  }
-  CPDF_Object* pAttr = pFieldDict->GetDirectObjectBy(name);
-  if (pAttr) {
-    return pAttr;
-  }
-  CPDF_Dictionary* pParent = pFieldDict->GetDictBy("Parent");
-  if (!pParent) {
-    return nullptr;
-  }
-  return FPDF_GetFieldAttr(pParent, name, nLevel + 1);
-}