Convert all line endings to LF.

1 files changed, 749 insertions, 749 deletions

diff --git a/core/src/fpdfdoc/doc_utils.cpp b/core/src/fpdfdoc/doc_utils.cpp
index dd81594998..ad958adbf2 100644
--- a/core/src/fpdfdoc/doc_utils.cpp
+++ b/core/src/fpdfdoc/doc_utils.cpp
@@ -1,749 +1,749 @@
-// 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"

-static const int FPDFDOC_UTILS_MAXRECURSION = 32;

-CFX_WideString	GetFullName(CPDF_Dictionary* pFieldDict);

-void			InitInterFormDict(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument);

-FX_DWORD		CountInterFormFonts(CPDF_Dictionary* pFormDict);

-CPDF_Font*		GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_DWORD index, CFX_ByteString& csNameTag);

-CPDF_Font*		GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csNameTag);

-CPDF_Font*		GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CFX_ByteString& csNameTag);

-CPDF_Font*		GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag);

-CPDF_Font*		GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag);

-FX_BOOL			FindInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont, CFX_ByteString& csNameTag);

-FX_BOOL			FindInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CPDF_Font*& pFont, CFX_ByteString& csNameTag);

-void			AddInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, const CPDF_Font* pFont, CFX_ByteString& csNameTag);

-CPDF_Font*		AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag);

-CPDF_Font*		AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag);

-void			RemoveInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont);

-void			RemoveInterFormFont(CPDF_Dictionary* pFormDict, CFX_ByteString csNameTag);

-CPDF_Font*		GetDefaultInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument);

-void			SetDefaultInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, const CPDF_Font* pFont);

-void			SaveCheckedFieldStatus(CPDF_FormField* pField, CFX_ByteArray& statusArray);

-FX_BOOL			NeedPDFEncodeForFieldFullName(const CFX_WideString& csFieldName);

-FX_BOOL			NeedPDFEncodeForFieldTree(CPDF_Dictionary* pFieldDict, int nLevel = 0);

-void			EncodeFieldName(const CFX_WideString& csName, CFX_ByteString& csT);

-void			UpdateEncodeFieldName(CPDF_Dictionary* pFieldDict, int nLevel = 0);

-CFX_WideString GetFullName(CPDF_Dictionary* pFieldDict)

-{

-    CFX_WideString full_name;

-    CPDF_Dictionary* pLevel = pFieldDict;

-    while (pLevel) {

-        CFX_WideString short_name = pLevel->GetUnicodeText("T");

-        if (short_name != L"") {

-            if (full_name == L"") {

-                full_name = short_name;

-            } else {

-                full_name = short_name + L"." + full_name;

-            }

-        }

-        pLevel = pLevel->GetDict("Parent");

-    }

-    return full_name;

-}

-FX_BOOL CPDF_DefaultAppearance::HasFont()

-{

-    if (m_csDA.IsEmpty()) {

-        return FALSE;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    return syntax.FindTagParam("Tf", 2);

-}

-CFX_ByteString CPDF_DefaultAppearance::GetFontString()

-{

-    CFX_ByteString csFont;

-    if (m_csDA.IsEmpty()) {

-        return csFont;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam("Tf", 2)) {

-        csFont += (CFX_ByteString)syntax.GetWord();

-        csFont += " ";

-        csFont += (CFX_ByteString)syntax.GetWord();

-        csFont += " ";

-        csFont += (CFX_ByteString)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);

-    if (syntax.FindTagParam("Tf", 2)) {

-        csFontNameTag = (CFX_ByteString)syntax.GetWord();

-        csFontNameTag.Delete(0, 1);

-        fFontSize = FX_atof((CFX_ByteString)syntax.GetWord());

-    }

-    csFontNameTag = PDF_NameDecode(csFontNameTag);

-}

-FX_BOOL CPDF_DefaultAppearance::HasColor(FX_BOOL bStrokingOperation)

-{

-    if (m_csDA.IsEmpty()) {

-        return FALSE;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {

-        return TRUE;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {

-        return TRUE;

-    }

-    syntax.SetPos(0);

-    return syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4);

-}

-CFX_ByteString CPDF_DefaultAppearance::GetColorString(FX_BOOL bStrokingOperation)

-{

-    CFX_ByteString csColor;

-    if (m_csDA.IsEmpty()) {

-        return csColor;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        return csColor;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        return csColor;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-        csColor += " ";

-        csColor += (CFX_ByteString)syntax.GetWord();

-    }

-    return csColor;

-}

-void CPDF_DefaultAppearance::GetColor(int& iColorType, FX_FLOAT fc[4], FX_BOOL bStrokingOperation)

-{

-    iColorType = COLORTYPE_TRANSPARENT;

-    for (int c = 0; c < 4; c ++) {

-        fc[c] = 0;

-    }

-    if (m_csDA.IsEmpty()) {

-        return;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {

-        iColorType = COLORTYPE_GRAY;

-        fc[0] = FX_atof((CFX_ByteString)syntax.GetWord());

-        return;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {

-        iColorType = COLORTYPE_RGB;

-        fc[0] = FX_atof((CFX_ByteString)syntax.GetWord());

-        fc[1] = FX_atof((CFX_ByteString)syntax.GetWord());

-        fc[2] = FX_atof((CFX_ByteString)syntax.GetWord());

-        return;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {

-        iColorType = COLORTYPE_CMYK;

-        fc[0] = FX_atof((CFX_ByteString)syntax.GetWord());

-        fc[1] = FX_atof((CFX_ByteString)syntax.GetWord());

-        fc[2] = FX_atof((CFX_ByteString)syntax.GetWord());

-        fc[3] = FX_atof((CFX_ByteString)syntax.GetWord());

-    }

-}

-void CPDF_DefaultAppearance::GetColor(FX_ARGB& color, int& iColorType, FX_BOOL bStrokingOperation)

-{

-    color = 0;

-    iColorType = COLORTYPE_TRANSPARENT;

-    if (m_csDA.IsEmpty()) {

-        return;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {

-        iColorType = COLORTYPE_GRAY;

-        FX_FLOAT g = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;

-        color = ArgbEncode(255, (int)g, (int)g, (int)g);

-        return;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {

-        iColorType = COLORTYPE_RGB;

-        FX_FLOAT r = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;

-        FX_FLOAT g = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;

-        FX_FLOAT b = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;

-        color = ArgbEncode(255, (int)r, (int)g, (int)b);

-        return;

-    }

-    syntax.SetPos(0);

-    if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {

-        iColorType = COLORTYPE_CMYK;

-        FX_FLOAT c = FX_atof((CFX_ByteString)syntax.GetWord());

-        FX_FLOAT m = FX_atof((CFX_ByteString)syntax.GetWord());

-        FX_FLOAT y = FX_atof((CFX_ByteString)syntax.GetWord());

-        FX_FLOAT k = FX_atof((CFX_ByteString)syntax.GetWord());

-        FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k);

-        FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k);

-        FX_FLOAT b = 1.0f - FX_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);

-    return syntax.FindTagParam("Tm", 6);

-}

-CFX_ByteString CPDF_DefaultAppearance::GetTextMatrixString()

-{

-    CFX_ByteString csTM;

-    if (m_csDA.IsEmpty()) {

-        return csTM;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam("Tm", 6)) {

-        for (int i = 0; i < 6; i ++) {

-            csTM += (CFX_ByteString)syntax.GetWord();

-            csTM += " ";

-        }

-        csTM += (CFX_ByteString)syntax.GetWord();

-    }

-    return csTM;

-}

-CFX_AffineMatrix CPDF_DefaultAppearance::GetTextMatrix()

-{

-    CFX_AffineMatrix tm;

-    if (m_csDA.IsEmpty()) {

-        return tm;

-    }

-    CPDF_SimpleParser syntax(m_csDA);

-    if (syntax.FindTagParam("Tm", 6)) {

-        FX_FLOAT f[6];

-        for (int i = 0; i < 6; i ++) {

-            f[i] = FX_atof((CFX_ByteString)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 == NULL) {

-        return;

-    }

-    if (pFormDict == NULL) {

-        pFormDict = CPDF_Dictionary::Create();

-        if (pFormDict == NULL) {

-            return;

-        }

-        FX_DWORD dwObjNum = pDocument->AddIndirectObject(pFormDict);

-        CPDF_Dictionary* pRoot = pDocument->GetRoot();

-        pRoot->SetAtReference("AcroForm", pDocument, dwObjNum);

-    }

-    CFX_ByteString csDA;

-    if (!pFormDict->KeyExist("DR")) {

-        CPDF_Font* pFont = NULL;

-        CFX_ByteString csBaseName, csDefault;

-        FX_BYTE charSet = CPDF_InterForm::GetNativeCharSet();

-        pFont = CPDF_InterForm::AddStandardFont(pDocument, "Helvetica");

-        if (pFont != NULL) {

-            AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);

-            csDefault = csBaseName;

-        }

-        if (charSet != 0) {

-            CFX_ByteString csFontName = CPDF_InterForm::GetNativeFont(charSet, NULL);

-            if (pFont == NULL || csFontName != "Helvetica") {

-                pFont = CPDF_InterForm::AddNativeFont(pDocument);

-                if (pFont != NULL) {

-                    csBaseName = "";

-                    AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);

-                    csDefault = csBaseName;

-                }

-            }

-        }

-        if (pFont != NULL) {

-            csDA = "/" + PDF_NameEncode(csDefault) + " 0 Tf";

-        }

-    }

-    if (!csDA.IsEmpty()) {

-        csDA += " ";

-    }

-    csDA += "0 g";

-    if (!pFormDict->KeyExist("DA")) {

-        pFormDict->SetAtString("DA", csDA);

-    }

-}

-FX_DWORD CountInterFormFonts(CPDF_Dictionary* pFormDict)

-{

-    if (pFormDict == NULL) {

-        return 0;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return 0;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return 0;

-    }

-    FX_DWORD dwCount = 0;

-    FX_POSITION pos = pFonts->GetStartPos();

-    while (pos) {

-        CPDF_Object* pObj = NULL;

-        CFX_ByteString csKey;

-        pObj = pFonts->GetNextElement(pos, csKey);

-        if (pObj == NULL) {

-            continue;

-        }

-        CPDF_Object* pDirect = pObj->GetDirect();

-        if (pDirect != NULL && pDirect->GetType() == PDFOBJ_DICTIONARY) {

-            if (((CPDF_Dictionary*)pDirect)->GetString("Type") == "Font") {

-                dwCount ++;

-            }

-        }

-    }

-    return dwCount;

-}

-CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_DWORD index, CFX_ByteString& csNameTag)

-{

-    if (pFormDict == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return NULL;

-    }

-    FX_DWORD dwCount = 0;

-    FX_POSITION pos = pFonts->GetStartPos();

-    while (pos) {

-        CPDF_Object* pObj = NULL;

-        CFX_ByteString csKey;

-        pObj = pFonts->GetNextElement(pos, csKey);

-        if (pObj == NULL) {

-            continue;

-        }

-        CPDF_Object* pDirect = pObj->GetDirect();

-        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {

-            continue;

-        }

-        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;

-        if (pElement->GetString("Type") != "Font") {

-            continue;

-        }

-        if (dwCount == index) {

-            csNameTag = csKey;

-            return pDocument->LoadFont(pElement);

-        }

-        dwCount ++;

-    }

-    return NULL;

-}

-CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csNameTag)

-{

-    CFX_ByteString csAlias = PDF_NameDecode(csNameTag);

-    if (pFormDict == NULL || csAlias.IsEmpty()) {

-        return NULL;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pElement = pFonts->GetDict(csAlias);

-    if (pElement == NULL) {

-        return NULL;

-    }

-    if (pElement->GetString("Type") == "Font") {

-        return pDocument->LoadFont(pElement);

-    }

-    return NULL;

-}

-CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CFX_ByteString& csNameTag)

-{

-    if (pFormDict == NULL || csFontName.IsEmpty()) {

-        return NULL;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return NULL;

-    }

-    FX_POSITION pos = pFonts->GetStartPos();

-    while (pos) {

-        CPDF_Object* pObj = NULL;

-        CFX_ByteString csKey;

-        pObj = pFonts->GetNextElement(pos, csKey);

-        if (pObj == NULL) {

-            continue;

-        }

-        CPDF_Object* pDirect = pObj->GetDirect();

-        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {

-            continue;

-        }

-        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;

-        if (pElement->GetString("Type") != "Font") {

-            continue;

-        }

-        CPDF_Font* pFind = pDocument->LoadFont(pElement);

-        if (pFind == NULL) {

-            continue;

-        }

-        CFX_ByteString csBaseFont;

-        csBaseFont = pFind->GetBaseFont();

-        csBaseFont.Remove(' ');

-        if (csBaseFont == csFontName) {

-            csNameTag = csKey;

-            return pFind;

-        }

-    }

-    return NULL;

-}

-CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag)

-{

-    if (pFormDict == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return NULL;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return NULL;

-    }

-    FX_POSITION pos = pFonts->GetStartPos();

-    while (pos) {

-        CPDF_Object* pObj = NULL;

-        CFX_ByteString csKey;

-        pObj = pFonts->GetNextElement(pos, csKey);

-        if (pObj == NULL) {

-            continue;

-        }

-        CPDF_Object* pDirect = pObj->GetDirect();

-        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {

-            continue;

-        }

-        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;

-        if (pElement->GetString("Type") != "Font") {

-            continue;

-        }

-        CPDF_Font* pFind = pDocument->LoadFont(pElement);

-        if (pFind == NULL) {

-            continue;

-        }

-        CFX_SubstFont* pSubst = (CFX_SubstFont*)pFind->GetSubstFont();

-        if (pSubst == NULL) {

-            continue;

-        }

-        if (pSubst->m_Charset == (int)charSet) {

-            csNameTag = csKey;

-            return pFind;

-        }

-    }

-    return NULL;

-}

-CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag)

-{

-    csNameTag = "";

-    FX_BYTE charSet = CPDF_InterForm::GetNativeCharSet();

-    CFX_SubstFont* pSubst;

-    CPDF_Font* pFont = GetDefaultInterFormFont(pFormDict, pDocument);

-    if (pFont != NULL) {

-        pSubst = (CFX_SubstFont*)pFont->GetSubstFont();

-        if (pSubst != NULL && 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 == NULL || pFont == NULL) {

-        return FALSE;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return FALSE;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return FALSE;

-    }

-    FX_POSITION pos = pFonts->GetStartPos();

-    while (pos) {

-        CPDF_Object* pObj = NULL;

-        CFX_ByteString csKey;

-        pObj = pFonts->GetNextElement(pos, csKey);

-        if (pObj == NULL) {

-            continue;

-        }

-        CPDF_Object* pDirect = pObj->GetDirect();

-        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {

-            continue;

-        }

-        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;

-        if (pElement->GetString("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 == NULL) {

-        return FALSE;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return FALSE;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return FALSE;

-    }

-    if (csFontName.GetLength() > 0) {

-        csFontName.Remove(' ');

-    }

-    FX_POSITION pos = pFonts->GetStartPos();

-    while (pos) {

-        CPDF_Object* pObj = NULL;

-        CFX_ByteString csKey, csTmp;

-        pObj = pFonts->GetNextElement(pos, csKey);

-        if (pObj == NULL) {

-            continue;

-        }

-        CPDF_Object* pDirect = pObj->GetDirect();

-        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {

-            continue;

-        }

-        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;

-        if (pElement->GetString("Type") != "Font") {

-            continue;

-        }

-        pFont = pDocument->LoadFont(pElement);

-        if (pFont == NULL) {

-            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 == NULL) {

-        return;

-    }

-    if (pFormDict == NULL) {

-        InitInterFormDict(pFormDict, pDocument);

-    }

-    CFX_ByteString csTag;

-    if (FindInterFormFont(pFormDict, pFont, csTag)) {

-        csNameTag = csTag;

-        return;

-    }

-    if (pFormDict == NULL) {

-        InitInterFormDict(pFormDict, pDocument);

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        pDR = CPDF_Dictionary::Create();

-        if (pDR == NULL) {

-            return;

-        }

-        pFormDict->SetAt("DR", pDR);

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        pFonts = CPDF_Dictionary::Create();

-        pDR->SetAt("Font", pFonts);

-    }

-    if (csNameTag.IsEmpty()) {

-        csNameTag = pFont->GetBaseFont();

-    }

-    csNameTag.Remove(' ');

-    csNameTag = CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4, csNameTag);

-    pFonts->SetAtReference(csNameTag, pDocument, pFont->GetFontDict());

-}

-CPDF_Font* AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag)

-{

-    if (pFormDict == NULL) {

-        InitInterFormDict(pFormDict, pDocument);

-    }

-    CFX_ByteString csTemp;

-    CPDF_Font* pFont = GetNativeInterFormFont(pFormDict, pDocument, charSet, csTemp);

-    if (pFont != NULL) {

-        csNameTag = csTemp;

-        return pFont;

-    }

-    CFX_ByteString csFontName = CPDF_InterForm::GetNativeFont(charSet);

-    if (!csFontName.IsEmpty()) {

-        if (FindInterFormFont(pFormDict, pDocument, csFontName, pFont, csNameTag)) {

-            return pFont;

-        }

-    }

-    pFont = CPDF_InterForm::AddNativeFont(charSet, pDocument);

-    if (pFont != NULL) {

-        AddInterFormFont(pFormDict, pDocument, pFont, csNameTag);

-    }

-    return pFont;

-}

-CPDF_Font* AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag)

-{

-    FX_BYTE charSet = CPDF_InterForm::GetNativeCharSet();

-    return AddNativeInterFormFont(pFormDict, pDocument, charSet, csNameTag);

-}

-void RemoveInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont)

-{

-    if (pFormDict == NULL || pFont == NULL) {

-        return;

-    }

-    CFX_ByteString csTag;

-    if (!FindInterFormFont(pFormDict, pFont, csTag)) {

-        return;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    pFonts->RemoveAt(csTag);

-}

-void RemoveInterFormFont(CPDF_Dictionary* pFormDict, CFX_ByteString csNameTag)

-{

-    if (pFormDict == NULL || csNameTag.IsEmpty()) {

-        return;

-    }

-    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");

-    if (pDR == NULL) {

-        return;

-    }

-    CPDF_Dictionary* pFonts = pDR->GetDict("Font");

-    if (pFonts == NULL) {

-        return;

-    }

-    pFonts->RemoveAt(csNameTag);

-}

-CPDF_Font* GetDefaultInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument)

-{

-    if (pFormDict == NULL) {

-        return NULL;

-    }

-    CPDF_DefaultAppearance cDA = pFormDict->GetString("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 == NULL) {

-        return Always;

-    }

-    CFX_ByteString csSW = m_pDict->GetString("SW", "A");

-    if (csSW == "B") {

-        return Bigger;

-    } else if (csSW == "S") {

-        return Smaller;

-    } else if (csSW == "N") {

-        return Never;

-    }

-    return Always;

-}

-FX_BOOL CPDF_IconFit::IsProportionalScale()

-{

-    if (m_pDict == NULL) {

-        return TRUE;

-    }

-    return m_pDict->GetString("S", "P") != "A";

-}

-void CPDF_IconFit::GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom)

-{

-    fLeft = fBottom = 0.5;

-    if (m_pDict == NULL) {

-        return;

-    }

-    CPDF_Array* pA = m_pDict->GetArray("A");

-    if (pA != NULL) {

-        FX_DWORD dwCount = pA->GetCount();

-        if (dwCount > 0) {

-            fLeft = pA->GetNumber(0);

-        }

-        if (dwCount > 1) {

-            fBottom = pA->GetNumber(1);

-        }

-    }

-}

-FX_BOOL CPDF_IconFit::GetFittingBounds()

-{

-    if (m_pDict == NULL) {

-        return FALSE;

-    }

-    return m_pDict->GetBoolean("FB");

-}

-void SaveCheckedFieldStatus(CPDF_FormField* pField, CFX_ByteArray& statusArray)

-{

-    int iCount = pField->CountControls();

-    for (int i = 0; i < iCount; i ++) {

-        CPDF_FormControl* pControl = pField->GetControl(i);

-        if (pControl == NULL) {

-            continue;

-        }

-        statusArray.Add(pControl->IsChecked() ? 1 : 0);

-    }

-}

-CPDF_Object* FPDF_GetFieldAttr(CPDF_Dictionary* pFieldDict, const FX_CHAR* name, int nLevel)

-{

-    if (nLevel > FPDFDOC_UTILS_MAXRECURSION) {

-        return NULL;

-    }

-    if (pFieldDict == NULL) {

-        return NULL;

-    }

-    CPDF_Object* pAttr = pFieldDict->GetElementValue(name);

-    if (pAttr) {

-        return pAttr;

-    }

-    CPDF_Dictionary* pParent = pFieldDict->GetDict("Parent");

-    if (pParent == NULL) {

-        return NULL;

-    }

-    return FPDF_GetFieldAttr(pParent, name, nLevel + 1);

-}

+// 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"
+static const int FPDFDOC_UTILS_MAXRECURSION = 32;
+CFX_WideString	GetFullName(CPDF_Dictionary* pFieldDict);
+void			InitInterFormDict(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument);
+FX_DWORD		CountInterFormFonts(CPDF_Dictionary* pFormDict);
+CPDF_Font*		GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_DWORD index, CFX_ByteString& csNameTag);
+CPDF_Font*		GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csNameTag);
+CPDF_Font*		GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CFX_ByteString& csNameTag);
+CPDF_Font*		GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag);
+CPDF_Font*		GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag);
+FX_BOOL			FindInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont, CFX_ByteString& csNameTag);
+FX_BOOL			FindInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CPDF_Font*& pFont, CFX_ByteString& csNameTag);
+void			AddInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, const CPDF_Font* pFont, CFX_ByteString& csNameTag);
+CPDF_Font*		AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag);
+CPDF_Font*		AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag);
+void			RemoveInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont);
+void			RemoveInterFormFont(CPDF_Dictionary* pFormDict, CFX_ByteString csNameTag);
+CPDF_Font*		GetDefaultInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument);
+void			SetDefaultInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, const CPDF_Font* pFont);
+void			SaveCheckedFieldStatus(CPDF_FormField* pField, CFX_ByteArray& statusArray);
+FX_BOOL			NeedPDFEncodeForFieldFullName(const CFX_WideString& csFieldName);
+FX_BOOL			NeedPDFEncodeForFieldTree(CPDF_Dictionary* pFieldDict, int nLevel = 0);
+void			EncodeFieldName(const CFX_WideString& csName, CFX_ByteString& csT);
+void			UpdateEncodeFieldName(CPDF_Dictionary* pFieldDict, int nLevel = 0);
+CFX_WideString GetFullName(CPDF_Dictionary* pFieldDict)
+{
+    CFX_WideString full_name;
+    CPDF_Dictionary* pLevel = pFieldDict;
+    while (pLevel) {
+        CFX_WideString short_name = pLevel->GetUnicodeText("T");
+        if (short_name != L"") {
+            if (full_name == L"") {
+                full_name = short_name;
+            } else {
+                full_name = short_name + L"." + full_name;
+            }
+        }
+        pLevel = pLevel->GetDict("Parent");
+    }
+    return full_name;
+}
+FX_BOOL CPDF_DefaultAppearance::HasFont()
+{
+    if (m_csDA.IsEmpty()) {
+        return FALSE;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    return syntax.FindTagParam("Tf", 2);
+}
+CFX_ByteString CPDF_DefaultAppearance::GetFontString()
+{
+    CFX_ByteString csFont;
+    if (m_csDA.IsEmpty()) {
+        return csFont;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam("Tf", 2)) {
+        csFont += (CFX_ByteString)syntax.GetWord();
+        csFont += " ";
+        csFont += (CFX_ByteString)syntax.GetWord();
+        csFont += " ";
+        csFont += (CFX_ByteString)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);
+    if (syntax.FindTagParam("Tf", 2)) {
+        csFontNameTag = (CFX_ByteString)syntax.GetWord();
+        csFontNameTag.Delete(0, 1);
+        fFontSize = FX_atof((CFX_ByteString)syntax.GetWord());
+    }
+    csFontNameTag = PDF_NameDecode(csFontNameTag);
+}
+FX_BOOL CPDF_DefaultAppearance::HasColor(FX_BOOL bStrokingOperation)
+{
+    if (m_csDA.IsEmpty()) {
+        return FALSE;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {
+        return TRUE;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {
+        return TRUE;
+    }
+    syntax.SetPos(0);
+    return syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4);
+}
+CFX_ByteString CPDF_DefaultAppearance::GetColorString(FX_BOOL bStrokingOperation)
+{
+    CFX_ByteString csColor;
+    if (m_csDA.IsEmpty()) {
+        return csColor;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        return csColor;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        return csColor;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+        csColor += " ";
+        csColor += (CFX_ByteString)syntax.GetWord();
+    }
+    return csColor;
+}
+void CPDF_DefaultAppearance::GetColor(int& iColorType, FX_FLOAT fc[4], FX_BOOL bStrokingOperation)
+{
+    iColorType = COLORTYPE_TRANSPARENT;
+    for (int c = 0; c < 4; c ++) {
+        fc[c] = 0;
+    }
+    if (m_csDA.IsEmpty()) {
+        return;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {
+        iColorType = COLORTYPE_GRAY;
+        fc[0] = FX_atof((CFX_ByteString)syntax.GetWord());
+        return;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {
+        iColorType = COLORTYPE_RGB;
+        fc[0] = FX_atof((CFX_ByteString)syntax.GetWord());
+        fc[1] = FX_atof((CFX_ByteString)syntax.GetWord());
+        fc[2] = FX_atof((CFX_ByteString)syntax.GetWord());
+        return;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {
+        iColorType = COLORTYPE_CMYK;
+        fc[0] = FX_atof((CFX_ByteString)syntax.GetWord());
+        fc[1] = FX_atof((CFX_ByteString)syntax.GetWord());
+        fc[2] = FX_atof((CFX_ByteString)syntax.GetWord());
+        fc[3] = FX_atof((CFX_ByteString)syntax.GetWord());
+    }
+}
+void CPDF_DefaultAppearance::GetColor(FX_ARGB& color, int& iColorType, FX_BOOL bStrokingOperation)
+{
+    color = 0;
+    iColorType = COLORTYPE_TRANSPARENT;
+    if (m_csDA.IsEmpty()) {
+        return;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam(bStrokingOperation ? "G" : "g", 1)) {
+        iColorType = COLORTYPE_GRAY;
+        FX_FLOAT g = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
+        color = ArgbEncode(255, (int)g, (int)g, (int)g);
+        return;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "RG" : "rg", 3)) {
+        iColorType = COLORTYPE_RGB;
+        FX_FLOAT r = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
+        FX_FLOAT g = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
+        FX_FLOAT b = FX_atof((CFX_ByteString)syntax.GetWord()) * 255 + 0.5f;
+        color = ArgbEncode(255, (int)r, (int)g, (int)b);
+        return;
+    }
+    syntax.SetPos(0);
+    if (syntax.FindTagParam(bStrokingOperation ? "K" : "k", 4)) {
+        iColorType = COLORTYPE_CMYK;
+        FX_FLOAT c = FX_atof((CFX_ByteString)syntax.GetWord());
+        FX_FLOAT m = FX_atof((CFX_ByteString)syntax.GetWord());
+        FX_FLOAT y = FX_atof((CFX_ByteString)syntax.GetWord());
+        FX_FLOAT k = FX_atof((CFX_ByteString)syntax.GetWord());
+        FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k);
+        FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k);
+        FX_FLOAT b = 1.0f - FX_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);
+    return syntax.FindTagParam("Tm", 6);
+}
+CFX_ByteString CPDF_DefaultAppearance::GetTextMatrixString()
+{
+    CFX_ByteString csTM;
+    if (m_csDA.IsEmpty()) {
+        return csTM;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam("Tm", 6)) {
+        for (int i = 0; i < 6; i ++) {
+            csTM += (CFX_ByteString)syntax.GetWord();
+            csTM += " ";
+        }
+        csTM += (CFX_ByteString)syntax.GetWord();
+    }
+    return csTM;
+}
+CFX_AffineMatrix CPDF_DefaultAppearance::GetTextMatrix()
+{
+    CFX_AffineMatrix tm;
+    if (m_csDA.IsEmpty()) {
+        return tm;
+    }
+    CPDF_SimpleParser syntax(m_csDA);
+    if (syntax.FindTagParam("Tm", 6)) {
+        FX_FLOAT f[6];
+        for (int i = 0; i < 6; i ++) {
+            f[i] = FX_atof((CFX_ByteString)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 == NULL) {
+        return;
+    }
+    if (pFormDict == NULL) {
+        pFormDict = CPDF_Dictionary::Create();
+        if (pFormDict == NULL) {
+            return;
+        }
+        FX_DWORD dwObjNum = pDocument->AddIndirectObject(pFormDict);
+        CPDF_Dictionary* pRoot = pDocument->GetRoot();
+        pRoot->SetAtReference("AcroForm", pDocument, dwObjNum);
+    }
+    CFX_ByteString csDA;
+    if (!pFormDict->KeyExist("DR")) {
+        CPDF_Font* pFont = NULL;
+        CFX_ByteString csBaseName, csDefault;
+        FX_BYTE charSet = CPDF_InterForm::GetNativeCharSet();
+        pFont = CPDF_InterForm::AddStandardFont(pDocument, "Helvetica");
+        if (pFont != NULL) {
+            AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);
+            csDefault = csBaseName;
+        }
+        if (charSet != 0) {
+            CFX_ByteString csFontName = CPDF_InterForm::GetNativeFont(charSet, NULL);
+            if (pFont == NULL || csFontName != "Helvetica") {
+                pFont = CPDF_InterForm::AddNativeFont(pDocument);
+                if (pFont != NULL) {
+                    csBaseName = "";
+                    AddInterFormFont(pFormDict, pDocument, pFont, csBaseName);
+                    csDefault = csBaseName;
+                }
+            }
+        }
+        if (pFont != NULL) {
+            csDA = "/" + PDF_NameEncode(csDefault) + " 0 Tf";
+        }
+    }
+    if (!csDA.IsEmpty()) {
+        csDA += " ";
+    }
+    csDA += "0 g";
+    if (!pFormDict->KeyExist("DA")) {
+        pFormDict->SetAtString("DA", csDA);
+    }
+}
+FX_DWORD CountInterFormFonts(CPDF_Dictionary* pFormDict)
+{
+    if (pFormDict == NULL) {
+        return 0;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return 0;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return 0;
+    }
+    FX_DWORD dwCount = 0;
+    FX_POSITION pos = pFonts->GetStartPos();
+    while (pos) {
+        CPDF_Object* pObj = NULL;
+        CFX_ByteString csKey;
+        pObj = pFonts->GetNextElement(pos, csKey);
+        if (pObj == NULL) {
+            continue;
+        }
+        CPDF_Object* pDirect = pObj->GetDirect();
+        if (pDirect != NULL && pDirect->GetType() == PDFOBJ_DICTIONARY) {
+            if (((CPDF_Dictionary*)pDirect)->GetString("Type") == "Font") {
+                dwCount ++;
+            }
+        }
+    }
+    return dwCount;
+}
+CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_DWORD index, CFX_ByteString& csNameTag)
+{
+    if (pFormDict == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return NULL;
+    }
+    FX_DWORD dwCount = 0;
+    FX_POSITION pos = pFonts->GetStartPos();
+    while (pos) {
+        CPDF_Object* pObj = NULL;
+        CFX_ByteString csKey;
+        pObj = pFonts->GetNextElement(pos, csKey);
+        if (pObj == NULL) {
+            continue;
+        }
+        CPDF_Object* pDirect = pObj->GetDirect();
+        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
+            continue;
+        }
+        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
+        if (pElement->GetString("Type") != "Font") {
+            continue;
+        }
+        if (dwCount == index) {
+            csNameTag = csKey;
+            return pDocument->LoadFont(pElement);
+        }
+        dwCount ++;
+    }
+    return NULL;
+}
+CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csNameTag)
+{
+    CFX_ByteString csAlias = PDF_NameDecode(csNameTag);
+    if (pFormDict == NULL || csAlias.IsEmpty()) {
+        return NULL;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pElement = pFonts->GetDict(csAlias);
+    if (pElement == NULL) {
+        return NULL;
+    }
+    if (pElement->GetString("Type") == "Font") {
+        return pDocument->LoadFont(pElement);
+    }
+    return NULL;
+}
+CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString csFontName, CFX_ByteString& csNameTag)
+{
+    if (pFormDict == NULL || csFontName.IsEmpty()) {
+        return NULL;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return NULL;
+    }
+    FX_POSITION pos = pFonts->GetStartPos();
+    while (pos) {
+        CPDF_Object* pObj = NULL;
+        CFX_ByteString csKey;
+        pObj = pFonts->GetNextElement(pos, csKey);
+        if (pObj == NULL) {
+            continue;
+        }
+        CPDF_Object* pDirect = pObj->GetDirect();
+        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
+            continue;
+        }
+        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
+        if (pElement->GetString("Type") != "Font") {
+            continue;
+        }
+        CPDF_Font* pFind = pDocument->LoadFont(pElement);
+        if (pFind == NULL) {
+            continue;
+        }
+        CFX_ByteString csBaseFont;
+        csBaseFont = pFind->GetBaseFont();
+        csBaseFont.Remove(' ');
+        if (csBaseFont == csFontName) {
+            csNameTag = csKey;
+            return pFind;
+        }
+    }
+    return NULL;
+}
+CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag)
+{
+    if (pFormDict == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return NULL;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return NULL;
+    }
+    FX_POSITION pos = pFonts->GetStartPos();
+    while (pos) {
+        CPDF_Object* pObj = NULL;
+        CFX_ByteString csKey;
+        pObj = pFonts->GetNextElement(pos, csKey);
+        if (pObj == NULL) {
+            continue;
+        }
+        CPDF_Object* pDirect = pObj->GetDirect();
+        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
+            continue;
+        }
+        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
+        if (pElement->GetString("Type") != "Font") {
+            continue;
+        }
+        CPDF_Font* pFind = pDocument->LoadFont(pElement);
+        if (pFind == NULL) {
+            continue;
+        }
+        CFX_SubstFont* pSubst = (CFX_SubstFont*)pFind->GetSubstFont();
+        if (pSubst == NULL) {
+            continue;
+        }
+        if (pSubst->m_Charset == (int)charSet) {
+            csNameTag = csKey;
+            return pFind;
+        }
+    }
+    return NULL;
+}
+CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag)
+{
+    csNameTag = "";
+    FX_BYTE charSet = CPDF_InterForm::GetNativeCharSet();
+    CFX_SubstFont* pSubst;
+    CPDF_Font* pFont = GetDefaultInterFormFont(pFormDict, pDocument);
+    if (pFont != NULL) {
+        pSubst = (CFX_SubstFont*)pFont->GetSubstFont();
+        if (pSubst != NULL && 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 == NULL || pFont == NULL) {
+        return FALSE;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return FALSE;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return FALSE;
+    }
+    FX_POSITION pos = pFonts->GetStartPos();
+    while (pos) {
+        CPDF_Object* pObj = NULL;
+        CFX_ByteString csKey;
+        pObj = pFonts->GetNextElement(pos, csKey);
+        if (pObj == NULL) {
+            continue;
+        }
+        CPDF_Object* pDirect = pObj->GetDirect();
+        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
+            continue;
+        }
+        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
+        if (pElement->GetString("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 == NULL) {
+        return FALSE;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return FALSE;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return FALSE;
+    }
+    if (csFontName.GetLength() > 0) {
+        csFontName.Remove(' ');
+    }
+    FX_POSITION pos = pFonts->GetStartPos();
+    while (pos) {
+        CPDF_Object* pObj = NULL;
+        CFX_ByteString csKey, csTmp;
+        pObj = pFonts->GetNextElement(pos, csKey);
+        if (pObj == NULL) {
+            continue;
+        }
+        CPDF_Object* pDirect = pObj->GetDirect();
+        if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) {
+            continue;
+        }
+        CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect;
+        if (pElement->GetString("Type") != "Font") {
+            continue;
+        }
+        pFont = pDocument->LoadFont(pElement);
+        if (pFont == NULL) {
+            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 == NULL) {
+        return;
+    }
+    if (pFormDict == NULL) {
+        InitInterFormDict(pFormDict, pDocument);
+    }
+    CFX_ByteString csTag;
+    if (FindInterFormFont(pFormDict, pFont, csTag)) {
+        csNameTag = csTag;
+        return;
+    }
+    if (pFormDict == NULL) {
+        InitInterFormDict(pFormDict, pDocument);
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        pDR = CPDF_Dictionary::Create();
+        if (pDR == NULL) {
+            return;
+        }
+        pFormDict->SetAt("DR", pDR);
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        pFonts = CPDF_Dictionary::Create();
+        pDR->SetAt("Font", pFonts);
+    }
+    if (csNameTag.IsEmpty()) {
+        csNameTag = pFont->GetBaseFont();
+    }
+    csNameTag.Remove(' ');
+    csNameTag = CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4, csNameTag);
+    pFonts->SetAtReference(csNameTag, pDocument, pFont->GetFontDict());
+}
+CPDF_Font* AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, FX_BYTE charSet, CFX_ByteString& csNameTag)
+{
+    if (pFormDict == NULL) {
+        InitInterFormDict(pFormDict, pDocument);
+    }
+    CFX_ByteString csTemp;
+    CPDF_Font* pFont = GetNativeInterFormFont(pFormDict, pDocument, charSet, csTemp);
+    if (pFont != NULL) {
+        csNameTag = csTemp;
+        return pFont;
+    }
+    CFX_ByteString csFontName = CPDF_InterForm::GetNativeFont(charSet);
+    if (!csFontName.IsEmpty()) {
+        if (FindInterFormFont(pFormDict, pDocument, csFontName, pFont, csNameTag)) {
+            return pFont;
+        }
+    }
+    pFont = CPDF_InterForm::AddNativeFont(charSet, pDocument);
+    if (pFont != NULL) {
+        AddInterFormFont(pFormDict, pDocument, pFont, csNameTag);
+    }
+    return pFont;
+}
+CPDF_Font* AddNativeInterFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, CFX_ByteString& csNameTag)
+{
+    FX_BYTE charSet = CPDF_InterForm::GetNativeCharSet();
+    return AddNativeInterFormFont(pFormDict, pDocument, charSet, csNameTag);
+}
+void RemoveInterFormFont(CPDF_Dictionary* pFormDict, const CPDF_Font* pFont)
+{
+    if (pFormDict == NULL || pFont == NULL) {
+        return;
+    }
+    CFX_ByteString csTag;
+    if (!FindInterFormFont(pFormDict, pFont, csTag)) {
+        return;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    pFonts->RemoveAt(csTag);
+}
+void RemoveInterFormFont(CPDF_Dictionary* pFormDict, CFX_ByteString csNameTag)
+{
+    if (pFormDict == NULL || csNameTag.IsEmpty()) {
+        return;
+    }
+    CPDF_Dictionary* pDR = pFormDict->GetDict("DR");
+    if (pDR == NULL) {
+        return;
+    }
+    CPDF_Dictionary* pFonts = pDR->GetDict("Font");
+    if (pFonts == NULL) {
+        return;
+    }
+    pFonts->RemoveAt(csNameTag);
+}
+CPDF_Font* GetDefaultInterFormFont(CPDF_Dictionary* pFormDict, CPDF_Document* pDocument)
+{
+    if (pFormDict == NULL) {
+        return NULL;
+    }
+    CPDF_DefaultAppearance cDA = pFormDict->GetString("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 == NULL) {
+        return Always;
+    }
+    CFX_ByteString csSW = m_pDict->GetString("SW", "A");
+    if (csSW == "B") {
+        return Bigger;
+    } else if (csSW == "S") {
+        return Smaller;
+    } else if (csSW == "N") {
+        return Never;
+    }
+    return Always;
+}
+FX_BOOL CPDF_IconFit::IsProportionalScale()
+{
+    if (m_pDict == NULL) {
+        return TRUE;
+    }
+    return m_pDict->GetString("S", "P") != "A";
+}
+void CPDF_IconFit::GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom)
+{
+    fLeft = fBottom = 0.5;
+    if (m_pDict == NULL) {
+        return;
+    }
+    CPDF_Array* pA = m_pDict->GetArray("A");
+    if (pA != NULL) {
+        FX_DWORD dwCount = pA->GetCount();
+        if (dwCount > 0) {
+            fLeft = pA->GetNumber(0);
+        }
+        if (dwCount > 1) {
+            fBottom = pA->GetNumber(1);
+        }
+    }
+}
+FX_BOOL CPDF_IconFit::GetFittingBounds()
+{
+    if (m_pDict == NULL) {
+        return FALSE;
+    }
+    return m_pDict->GetBoolean("FB");
+}
+void SaveCheckedFieldStatus(CPDF_FormField* pField, CFX_ByteArray& statusArray)
+{
+    int iCount = pField->CountControls();
+    for (int i = 0; i < iCount; i ++) {
+        CPDF_FormControl* pControl = pField->GetControl(i);
+        if (pControl == NULL) {
+            continue;
+        }
+        statusArray.Add(pControl->IsChecked() ? 1 : 0);
+    }
+}
+CPDF_Object* FPDF_GetFieldAttr(CPDF_Dictionary* pFieldDict, const FX_CHAR* name, int nLevel)
+{
+    if (nLevel > FPDFDOC_UTILS_MAXRECURSION) {
+        return NULL;
+    }
+    if (pFieldDict == NULL) {
+        return NULL;
+    }
+    CPDF_Object* pAttr = pFieldDict->GetElementValue(name);
+    if (pAttr) {
+        return pAttr;
+    }
+    CPDF_Dictionary* pParent = pFieldDict->GetDict("Parent");
+    if (pParent == NULL) {
+        return NULL;
+    }
+    return FPDF_GetFieldAttr(pParent, name, nLevel + 1);
+}