blob: 970b4b9f40fa4780979e230ec7529950093b2c7c [file] [log] [blame]
// 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"
#include "doc_utils.h"
const int nMaxRecursion = 32;
class _CFieldNameExtractor {
public:
_CFieldNameExtractor(const CFX_WideString& full_name) {
m_pStart = full_name.c_str();
m_pEnd = m_pStart + full_name.GetLength();
m_pCur = m_pStart;
}
void GetNext(const FX_WCHAR*& pSubName, FX_STRSIZE& size) {
pSubName = m_pCur;
while (m_pCur < m_pEnd && m_pCur[0] != L'.') {
m_pCur++;
}
size = (FX_STRSIZE)(m_pCur - pSubName);
if (m_pCur < m_pEnd && m_pCur[0] == L'.') {
m_pCur++;
}
}
protected:
const FX_WCHAR* m_pStart;
const FX_WCHAR* m_pEnd;
const FX_WCHAR* m_pCur;
};
class CFieldTree {
public:
struct _Node {
_Node* parent;
CFX_PtrArray children;
CFX_WideString short_name;
CPDF_FormField* field_ptr;
int CountFields(int nLevel = 0) {
if (nLevel > nMaxRecursion) {
return 0;
}
if (field_ptr) {
return 1;
}
int count = 0;
for (int i = 0; i < children.GetSize(); i++) {
count += ((_Node*)children.GetAt(i))->CountFields(nLevel + 1);
}
return count;
}
CPDF_FormField* GetField(int* fields_to_go) {
if (field_ptr) {
if (*fields_to_go == 0) {
return field_ptr;
}
--*fields_to_go;
return NULL;
}
for (int i = 0; i < children.GetSize(); i++) {
_Node* pNode = (_Node*)children.GetAt(i);
CPDF_FormField* pField = pNode->GetField(fields_to_go);
if (pField) {
return pField;
}
}
return NULL;
}
CPDF_FormField* GetField(int index) {
int fields_to_go = index;
return GetField(&fields_to_go);
}
};
CFieldTree();
~CFieldTree();
void SetField(const CFX_WideString& full_name, CPDF_FormField* field_ptr);
CPDF_FormField* GetField(const CFX_WideString& full_name);
CPDF_FormField* RemoveField(const CFX_WideString& full_name);
void RemoveAll();
_Node* FindNode(const CFX_WideString& full_name);
_Node* AddChild(_Node* pParent,
const CFX_WideString& short_name,
CPDF_FormField* field_ptr);
void RemoveNode(_Node* pNode, int nLevel = 0);
_Node* _Lookup(_Node* pParent, const CFX_WideString& short_name);
_Node m_Root;
};
CFieldTree::CFieldTree() {
m_Root.parent = NULL;
m_Root.field_ptr = NULL;
}
CFieldTree::~CFieldTree() {
RemoveAll();
}
CFieldTree::_Node* CFieldTree::AddChild(_Node* pParent,
const CFX_WideString& short_name,
CPDF_FormField* field_ptr) {
if (pParent == NULL) {
return NULL;
}
_Node* pNode = new _Node;
pNode->parent = pParent;
pNode->short_name = short_name;
pNode->field_ptr = field_ptr;
pParent->children.Add(pNode);
return pNode;
}
void CFieldTree::RemoveNode(_Node* pNode, int nLevel) {
if (pNode == NULL) {
return;
}
if (nLevel > nMaxRecursion) {
delete pNode;
return;
}
CFX_PtrArray& ptr_array = pNode->children;
for (int i = 0; i < ptr_array.GetSize(); i++) {
_Node* pChild = (_Node*)ptr_array[i];
RemoveNode(pChild, nLevel + 1);
}
delete pNode;
}
CFieldTree::_Node* CFieldTree::_Lookup(_Node* pParent,
const CFX_WideString& short_name) {
if (pParent == NULL) {
return NULL;
}
CFX_PtrArray& ptr_array = pParent->children;
for (int i = 0; i < ptr_array.GetSize(); i++) {
_Node* pNode = (_Node*)ptr_array[i];
if (pNode->short_name.GetLength() == short_name.GetLength() &&
FXSYS_memcmp(pNode->short_name.c_str(), short_name.c_str(),
short_name.GetLength() * sizeof(FX_WCHAR)) == 0) {
return pNode;
}
}
return NULL;
}
void CFieldTree::RemoveAll() {
CFX_PtrArray& ptr_array = m_Root.children;
for (int i = 0; i < ptr_array.GetSize(); i++) {
_Node* pNode = (_Node*)ptr_array[i];
RemoveNode(pNode);
}
}
void CFieldTree::SetField(const CFX_WideString& full_name,
CPDF_FormField* field_ptr) {
if (full_name == L"") {
return;
}
_CFieldNameExtractor name_extractor(full_name);
const FX_WCHAR* pName;
FX_STRSIZE nLength;
name_extractor.GetNext(pName, nLength);
_Node *pNode = &m_Root, *pLast = NULL;
while (nLength > 0) {
pLast = pNode;
CFX_WideString name = CFX_WideString(pName, nLength);
pNode = _Lookup(pLast, name);
if (pNode == NULL) {
pNode = AddChild(pLast, name, NULL);
}
name_extractor.GetNext(pName, nLength);
}
if (pNode != &m_Root) {
pNode->field_ptr = field_ptr;
}
}
CPDF_FormField* CFieldTree::GetField(const CFX_WideString& full_name) {
if (full_name == L"") {
return NULL;
}
_CFieldNameExtractor name_extractor(full_name);
const FX_WCHAR* pName;
FX_STRSIZE nLength;
name_extractor.GetNext(pName, nLength);
_Node *pNode = &m_Root, *pLast = NULL;
while (nLength > 0 && pNode) {
pLast = pNode;
CFX_WideString name = CFX_WideString(pName, nLength);
pNode = _Lookup(pLast, name);
name_extractor.GetNext(pName, nLength);
}
return pNode ? pNode->field_ptr : NULL;
}
CPDF_FormField* CFieldTree::RemoveField(const CFX_WideString& full_name) {
if (full_name == L"") {
return NULL;
}
_CFieldNameExtractor name_extractor(full_name);
const FX_WCHAR* pName;
FX_STRSIZE nLength;
name_extractor.GetNext(pName, nLength);
_Node *pNode = &m_Root, *pLast = NULL;
while (nLength > 0 && pNode) {
pLast = pNode;
CFX_WideString name = CFX_WideString(pName, nLength);
pNode = _Lookup(pLast, name);
name_extractor.GetNext(pName, nLength);
}
if (pNode && pNode != &m_Root) {
CFX_PtrArray& ptr_array = pLast->children;
for (int i = 0; i < ptr_array.GetSize(); i++) {
if (pNode == (_Node*)ptr_array[i]) {
ptr_array.RemoveAt(i);
break;
}
}
CPDF_FormField* pField = pNode->field_ptr;
RemoveNode(pNode);
return pField;
}
return NULL;
}
CFieldTree::_Node* CFieldTree::FindNode(const CFX_WideString& full_name) {
if (full_name == L"") {
return NULL;
}
_CFieldNameExtractor name_extractor(full_name);
const FX_WCHAR* pName;
FX_STRSIZE nLength;
name_extractor.GetNext(pName, nLength);
_Node *pNode = &m_Root, *pLast = NULL;
while (nLength > 0 && pNode) {
pLast = pNode;
CFX_WideString name = CFX_WideString(pName, nLength);
pNode = _Lookup(pLast, name);
name_extractor.GetNext(pName, nLength);
}
return pNode;
}
CPDF_InterForm::CPDF_InterForm(CPDF_Document* pDocument, FX_BOOL bGenerateAP)
: CFX_PrivateData() {
m_pDocument = pDocument;
m_bGenerateAP = bGenerateAP;
m_pFormNotify = NULL;
m_bUpdated = FALSE;
m_pFieldTree = new CFieldTree;
CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
m_pFormDict = pRoot->GetDict("AcroForm");
if (m_pFormDict == NULL) {
return;
}
CPDF_Array* pFields = m_pFormDict->GetArray("Fields");
if (pFields == NULL) {
return;
}
int count = pFields->GetCount();
for (int i = 0; i < count; i++) {
LoadField(pFields->GetDict(i));
}
}
CPDF_InterForm::~CPDF_InterForm() {
for (auto it : m_ControlMap)
delete it.second;
if (m_pFieldTree) {
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; ++i) {
delete m_pFieldTree->m_Root.GetField(i);
}
delete m_pFieldTree;
}
}
FX_BOOL CPDF_InterForm::m_bUpdateAP = TRUE;
FX_BOOL CPDF_InterForm::UpdatingAPEnabled() {
return m_bUpdateAP;
}
void CPDF_InterForm::EnableUpdateAP(FX_BOOL bUpdateAP) {
m_bUpdateAP = bUpdateAP;
}
CFX_ByteString CPDF_InterForm::GenerateNewResourceName(
const CPDF_Dictionary* pResDict,
const FX_CHAR* csType,
int iMinLen,
const FX_CHAR* csPrefix) {
CFX_ByteString csStr = csPrefix;
CFX_ByteString csBType = csType;
if (csStr.IsEmpty()) {
if (csBType == "ExtGState") {
csStr = "GS";
} else if (csBType == "ColorSpace") {
csStr = "CS";
} else if (csBType == "Font") {
csStr = "ZiTi";
} else {
csStr = "Res";
}
}
CFX_ByteString csTmp = csStr;
int iCount = csStr.GetLength();
int m = 0;
if (iMinLen > 0) {
csTmp = "";
while (m < iMinLen && m < iCount) {
csTmp += csStr[m++];
}
while (m < iMinLen) {
csTmp += '0' + m % 10;
m++;
}
} else {
m = iCount;
}
if (pResDict == NULL) {
return csTmp;
}
CPDF_Dictionary* pDict = pResDict->GetDict(csType);
if (pDict == NULL) {
return csTmp;
}
int num = 0;
CFX_ByteString bsNum;
while (TRUE) {
if (!pDict->KeyExist(csTmp + bsNum)) {
return csTmp + bsNum;
}
if (m < iCount) {
csTmp += csStr[m++];
} else {
bsNum.Format("%d", num++);
}
m++;
}
return csTmp;
}
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
typedef struct _PDF_FONTDATA {
FX_BOOL bFind;
LOGFONTA lf;
} PDF_FONTDATA, FAR* LPDF_FONTDATA;
static int CALLBACK EnumFontFamExProc(ENUMLOGFONTEXA* lpelfe,
NEWTEXTMETRICEX* lpntme,
DWORD FontType,
LPARAM lParam) {
if (FontType != 0x004 || strchr(lpelfe->elfLogFont.lfFaceName, '@') != NULL) {
return 1;
}
LPDF_FONTDATA pData = (LPDF_FONTDATA)lParam;
memcpy(&pData->lf, &lpelfe->elfLogFont, sizeof(LOGFONTA));
pData->bFind = TRUE;
return 0;
}
static FX_BOOL RetrieveSpecificFont(LOGFONTA& lf) {
PDF_FONTDATA fd;
memset(&fd, 0, sizeof(PDF_FONTDATA));
HDC hDC = ::GetDC(NULL);
EnumFontFamiliesExA(hDC, &lf, (FONTENUMPROCA)EnumFontFamExProc, (LPARAM)&fd,
0);
::ReleaseDC(NULL, hDC);
if (fd.bFind) {
memcpy(&lf, &fd.lf, sizeof(LOGFONTA));
}
return fd.bFind;
}
static FX_BOOL RetrieveSpecificFont(uint8_t charSet,
uint8_t pitchAndFamily,
LPCSTR pcsFontName,
LOGFONTA& lf) {
memset(&lf, 0, sizeof(LOGFONTA));
lf.lfCharSet = charSet;
lf.lfPitchAndFamily = pitchAndFamily;
if (pcsFontName != NULL) {
strcpy(lf.lfFaceName, pcsFontName);
}
return RetrieveSpecificFont(lf);
}
static FX_BOOL RetrieveStockFont(int iFontObject,
uint8_t charSet,
LOGFONTA& lf) {
HFONT hFont = (HFONT)::GetStockObject(iFontObject);
if (hFont != NULL) {
memset(&lf, 0, sizeof(LOGFONTA));
int iRet = ::GetObject(hFont, sizeof(LOGFONTA), &lf);
if (iRet > 0 && (lf.lfCharSet == charSet || charSet == 255)) {
return RetrieveSpecificFont(lf);
}
}
return FALSE;
}
#endif
CPDF_Font* CPDF_InterForm::AddSystemDefaultFont(
const CPDF_Document* pDocument) {
if (pDocument == NULL) {
return NULL;
}
CPDF_Font* pFont = NULL;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
LOGFONTA lf;
FX_BOOL bRet;
bRet = RetrieveStockFont(DEFAULT_GUI_FONT, 255, lf);
if (!bRet) {
bRet = RetrieveStockFont(SYSTEM_FONT, 255, lf);
}
if (bRet) {
pFont = ((CPDF_Document*)pDocument)->AddWindowsFont(&lf, FALSE, TRUE);
}
#endif
return pFont;
}
CPDF_Font* CPDF_InterForm::AddSystemFont(const CPDF_Document* pDocument,
CFX_ByteString csFontName,
uint8_t iCharSet) {
if (pDocument == NULL || csFontName.IsEmpty()) {
return NULL;
}
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
if (iCharSet == 1) {
iCharSet = GetNativeCharSet();
}
HFONT hFont = ::CreateFontA(
0, 0, 0, 0, 0, 0, 0, 0, iCharSet, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, csFontName.c_str());
if (hFont != NULL) {
LOGFONTA lf;
memset(&lf, 0, sizeof(LOGFONTA));
::GetObjectA(hFont, sizeof(LOGFONTA), &lf);
::DeleteObject(hFont);
if (strlen(lf.lfFaceName) > 0) {
return ((CPDF_Document*)pDocument)->AddWindowsFont(&lf, FALSE, TRUE);
}
}
#endif
return NULL;
}
CPDF_Font* CPDF_InterForm::AddSystemFont(const CPDF_Document* pDocument,
CFX_WideString csFontName,
uint8_t iCharSet) {
if (pDocument == NULL || csFontName.IsEmpty()) {
return NULL;
}
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
if (iCharSet == 1) {
iCharSet = GetNativeCharSet();
}
HFONT hFont = ::CreateFontW(
0, 0, 0, 0, 0, 0, 0, 0, iCharSet, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE, csFontName.c_str());
if (hFont != NULL) {
LOGFONTA lf;
memset(&lf, 0, sizeof(LOGFONTA));
::GetObject(hFont, sizeof(LOGFONTA), &lf);
::DeleteObject(hFont);
if (strlen(lf.lfFaceName) > 0) {
return ((CPDF_Document*)pDocument)->AddWindowsFont(&lf, FALSE, TRUE);
}
}
#endif
return NULL;
}
CPDF_Font* CPDF_InterForm::AddStandardFont(const CPDF_Document* pDocument,
CFX_ByteString csFontName) {
if (pDocument == NULL || csFontName.IsEmpty()) {
return NULL;
}
CPDF_Font* pFont = NULL;
if (csFontName == "ZapfDingbats") {
pFont = ((CPDF_Document*)pDocument)->AddStandardFont(csFontName, NULL);
} else {
CPDF_FontEncoding encoding(PDFFONT_ENCODING_WINANSI);
pFont = ((CPDF_Document*)pDocument)->AddStandardFont(csFontName, &encoding);
}
return pFont;
}
CFX_ByteString CPDF_InterForm::GetNativeFont(uint8_t charSet, void* pLogFont) {
CFX_ByteString csFontName;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
LOGFONTA lf;
FX_BOOL bRet;
if (charSet == ANSI_CHARSET) {
csFontName = "Helvetica";
return csFontName;
}
bRet = FALSE;
if (charSet == SHIFTJIS_CHARSET) {
bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE,
"MS Mincho", lf);
} else if (charSet == GB2312_CHARSET) {
bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, "SimSun",
lf);
} else if (charSet == CHINESEBIG5_CHARSET) {
bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, "MingLiU",
lf);
}
if (!bRet) {
bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE,
"Arial Unicode MS", lf);
}
if (!bRet) {
bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE,
"Microsoft Sans Serif", lf);
}
if (!bRet) {
bRet = RetrieveSpecificFont(charSet, DEFAULT_PITCH | FF_DONTCARE, NULL, lf);
}
if (bRet) {
if (pLogFont != NULL) {
memcpy(pLogFont, &lf, sizeof(LOGFONTA));
}
csFontName = lf.lfFaceName;
return csFontName;
}
#endif
return csFontName;
}
CFX_ByteString CPDF_InterForm::GetNativeFont(void* pLogFont) {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
uint8_t charSet = GetNativeCharSet();
return GetNativeFont(charSet, pLogFont);
#else
return CFX_ByteString();
#endif
}
uint8_t CPDF_InterForm::GetNativeCharSet() {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
uint8_t charSet = ANSI_CHARSET;
UINT iCodePage = ::GetACP();
switch (iCodePage) {
case 932:
charSet = SHIFTJIS_CHARSET;
break;
case 936:
charSet = GB2312_CHARSET;
break;
case 950:
charSet = CHINESEBIG5_CHARSET;
break;
case 1252:
charSet = ANSI_CHARSET;
break;
case 874:
charSet = THAI_CHARSET;
break;
case 949:
charSet = HANGUL_CHARSET;
break;
case 1200:
charSet = ANSI_CHARSET;
break;
case 1250:
charSet = EASTEUROPE_CHARSET;
break;
case 1251:
charSet = RUSSIAN_CHARSET;
break;
case 1253:
charSet = GREEK_CHARSET;
break;
case 1254:
charSet = TURKISH_CHARSET;
break;
case 1255:
charSet = HEBREW_CHARSET;
break;
case 1256:
charSet = ARABIC_CHARSET;
break;
case 1257:
charSet = BALTIC_CHARSET;
break;
case 1258:
charSet = VIETNAMESE_CHARSET;
break;
case 1361:
charSet = JOHAB_CHARSET;
break;
}
return charSet;
#else
return 0;
#endif
}
CPDF_Font* CPDF_InterForm::AddNativeFont(uint8_t charSet,
const CPDF_Document* pDocument) {
if (pDocument == NULL) {
return NULL;
}
CPDF_Font* pFont = NULL;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
LOGFONTA lf;
CFX_ByteString csFontName = GetNativeFont(charSet, &lf);
if (!csFontName.IsEmpty()) {
if (csFontName == "Helvetica") {
pFont = AddStandardFont(pDocument, csFontName);
} else {
pFont = ((CPDF_Document*)pDocument)->AddWindowsFont(&lf, FALSE, TRUE);
}
}
#endif
return pFont;
}
CPDF_Font* CPDF_InterForm::AddNativeFont(const CPDF_Document* pDocument) {
if (pDocument == NULL) {
return NULL;
}
CPDF_Font* pFont = NULL;
uint8_t charSet = GetNativeCharSet();
pFont = AddNativeFont(charSet, pDocument);
return pFont;
}
FX_BOOL CPDF_InterForm::ValidateFieldName(
CFX_WideString& csNewFieldName,
int iType,
const CPDF_FormField* pExcludedField,
const CPDF_FormControl* pExcludedControl) {
if (csNewFieldName.IsEmpty()) {
return FALSE;
}
int iPos = 0;
int iLength = csNewFieldName.GetLength();
CFX_WideString csSub;
while (TRUE) {
while (iPos < iLength &&
(csNewFieldName[iPos] == L'.' || csNewFieldName[iPos] == L' ')) {
iPos++;
}
if (iPos < iLength && !csSub.IsEmpty()) {
csSub += L'.';
}
while (iPos < iLength && csNewFieldName[iPos] != L'.') {
csSub += csNewFieldName[iPos++];
}
for (int i = csSub.GetLength() - 1; i > -1; i--) {
if (csSub[i] == L' ' || csSub[i] == L'.') {
csSub.SetAt(i, L'\0');
} else {
break;
}
}
FX_DWORD dwCount = m_pFieldTree->m_Root.CountFields();
for (FX_DWORD m = 0; m < dwCount; m++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(m);
if (pField == NULL) {
continue;
}
if (pField == pExcludedField) {
if (pExcludedControl != NULL) {
if (pField->CountControls() < 2) {
continue;
}
} else {
continue;
}
}
CFX_WideString csFullName = pField->GetFullName();
int iRet = CompareFieldName(csSub, csFullName);
if (iRet == 1) {
if (pField->GetFieldType() != iType) {
return FALSE;
}
} else if (iRet == 2 && csSub == csNewFieldName) {
if (csFullName[iPos] == L'.') {
return FALSE;
}
} else if (iRet == 3 && csSub == csNewFieldName) {
if (csNewFieldName[csFullName.GetLength()] == L'.') {
return FALSE;
}
}
}
if (iPos >= iLength) {
break;
}
}
if (csSub.IsEmpty()) {
return FALSE;
}
csNewFieldName = csSub;
return TRUE;
}
FX_BOOL CPDF_InterForm::ValidateFieldName(CFX_WideString& csNewFieldName,
int iType) {
return ValidateFieldName(csNewFieldName, iType, NULL, NULL);
}
FX_BOOL CPDF_InterForm::ValidateFieldName(const CPDF_FormField* pField,
CFX_WideString& csNewFieldName) {
if (pField == NULL || csNewFieldName.IsEmpty()) {
return FALSE;
}
return ValidateFieldName(
csNewFieldName, ((CPDF_FormField*)pField)->GetFieldType(), pField, NULL);
}
FX_BOOL CPDF_InterForm::ValidateFieldName(const CPDF_FormControl* pControl,
CFX_WideString& csNewFieldName) {
if (pControl == NULL || csNewFieldName.IsEmpty()) {
return FALSE;
}
CPDF_FormField* pField = ((CPDF_FormControl*)pControl)->GetField();
return ValidateFieldName(csNewFieldName, pField->GetFieldType(), pField,
pControl);
}
int CPDF_InterForm::CompareFieldName(const CFX_ByteString& name1,
const CFX_ByteString& name2) {
const FX_CHAR* ptr1 = name1;
const FX_CHAR* ptr2 = name2;
if (name1.GetLength() == name2.GetLength()) {
return name1 == name2 ? 1 : 0;
}
int i = 0;
while (ptr1[i] == ptr2[i]) {
i++;
}
if (i == name1.GetLength()) {
return 2;
}
if (i == name2.GetLength()) {
return 3;
}
return 0;
}
int CPDF_InterForm::CompareFieldName(const CFX_WideString& name1,
const CFX_WideString& name2) {
const FX_WCHAR* ptr1 = name1.c_str();
const FX_WCHAR* ptr2 = name2.c_str();
if (name1.GetLength() == name2.GetLength()) {
return name1 == name2 ? 1 : 0;
}
int i = 0;
while (ptr1[i] == ptr2[i]) {
i++;
}
if (i == name1.GetLength()) {
return 2;
}
if (i == name2.GetLength()) {
return 3;
}
return 0;
}
FX_DWORD CPDF_InterForm::CountFields(const CFX_WideString& csFieldName) {
if (csFieldName.IsEmpty()) {
return (FX_DWORD)m_pFieldTree->m_Root.CountFields();
}
CFieldTree::_Node* pNode = m_pFieldTree->FindNode(csFieldName);
if (pNode == NULL) {
return 0;
}
return pNode->CountFields();
}
CPDF_FormField* CPDF_InterForm::GetField(FX_DWORD index,
const CFX_WideString& csFieldName) {
if (csFieldName == L"") {
return m_pFieldTree->m_Root.GetField(index);
}
CFieldTree::_Node* pNode = m_pFieldTree->FindNode(csFieldName);
if (pNode == NULL) {
return NULL;
}
return pNode->GetField(index);
}
void CPDF_InterForm::GetAllFieldNames(CFX_WideStringArray& allFieldNames) {
allFieldNames.RemoveAll();
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField) {
CFX_WideString full_name = GetFullName(pField->GetFieldDict());
allFieldNames.Add(full_name);
}
}
}
FX_BOOL CPDF_InterForm::IsValidFormField(const void* pField) {
if (pField == NULL) {
return FALSE;
}
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pFormField = m_pFieldTree->m_Root.GetField(i);
if (pField == pFormField) {
return TRUE;
}
}
return FALSE;
}
CPDF_FormField* CPDF_InterForm::GetFieldByDict(
CPDF_Dictionary* pFieldDict) const {
if (pFieldDict == NULL) {
return NULL;
}
CFX_WideString csWName = GetFullName(pFieldDict);
return m_pFieldTree->GetField(csWName);
}
CPDF_FormControl* CPDF_InterForm::GetControlAtPoint(CPDF_Page* pPage,
FX_FLOAT pdf_x,
FX_FLOAT pdf_y,
int* z_order) const {
CPDF_Array* pAnnotList = pPage->m_pFormDict->GetArray("Annots");
if (!pAnnotList)
return nullptr;
for (FX_DWORD i = pAnnotList->GetCount(); i > 0; --i) {
FX_DWORD annot_index = i - 1;
CPDF_Dictionary* pAnnot = pAnnotList->GetDict(annot_index);
if (!pAnnot)
continue;
const auto it = m_ControlMap.find(pAnnot);
if (it == m_ControlMap.end())
continue;
CPDF_FormControl* pControl = it->second;
CFX_FloatRect rect = pControl->GetRect();
if (!rect.Contains(pdf_x, pdf_y))
continue;
if (z_order)
*z_order = annot_index;
return pControl;
}
return nullptr;
}
CPDF_FormControl* CPDF_InterForm::GetControlByDict(
CPDF_Dictionary* pWidgetDict) const {
const auto it = m_ControlMap.find(pWidgetDict);
return it != m_ControlMap.end() ? it->second : nullptr;
}
FX_BOOL CPDF_InterForm::NeedConstructAP() {
if (m_pFormDict == NULL) {
return FALSE;
}
return m_pFormDict->GetBoolean("NeedAppearances");
}
void CPDF_InterForm::NeedConstructAP(FX_BOOL bNeedAP) {
if (m_pFormDict == NULL) {
InitInterFormDict(m_pFormDict, m_pDocument);
}
m_pFormDict->SetAtBoolean("NeedAppearances", bNeedAP);
m_bGenerateAP = bNeedAP;
}
int CPDF_InterForm::CountFieldsInCalculationOrder() {
if (m_pFormDict == NULL) {
return 0;
}
CPDF_Array* pArray = m_pFormDict->GetArray("CO");
if (pArray == NULL) {
return 0;
}
return pArray->GetCount();
}
CPDF_FormField* CPDF_InterForm::GetFieldInCalculationOrder(int index) {
if (m_pFormDict == NULL || index < 0) {
return NULL;
}
CPDF_Array* pArray = m_pFormDict->GetArray("CO");
if (pArray == NULL) {
return NULL;
}
CPDF_Object* pElement = pArray->GetElementValue(index);
if (pElement != NULL && pElement->GetType() == PDFOBJ_DICTIONARY) {
return GetFieldByDict((CPDF_Dictionary*)pElement);
}
return NULL;
}
int CPDF_InterForm::FindFieldInCalculationOrder(const CPDF_FormField* pField) {
if (m_pFormDict == NULL || pField == NULL) {
return -1;
}
CPDF_Array* pArray = m_pFormDict->GetArray("CO");
if (pArray == NULL) {
return -1;
}
for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
CPDF_Object* pElement = pArray->GetElementValue(i);
if (pElement == pField->m_pDict) {
return i;
}
}
return -1;
}
FX_DWORD CPDF_InterForm::CountFormFonts() {
return CountInterFormFonts(m_pFormDict);
}
CPDF_Font* CPDF_InterForm::GetFormFont(FX_DWORD index,
CFX_ByteString& csNameTag) {
return GetInterFormFont(m_pFormDict, m_pDocument, index, csNameTag);
}
CPDF_Font* CPDF_InterForm::GetFormFont(CFX_ByteString csNameTag) {
return GetInterFormFont(m_pFormDict, m_pDocument, csNameTag);
}
CPDF_Font* CPDF_InterForm::GetFormFont(CFX_ByteString csFontName,
CFX_ByteString& csNameTag) {
return GetInterFormFont(m_pFormDict, m_pDocument, csFontName, csNameTag);
}
CPDF_Font* CPDF_InterForm::GetNativeFormFont(uint8_t charSet,
CFX_ByteString& csNameTag) {
return GetNativeInterFormFont(m_pFormDict, m_pDocument, charSet, csNameTag);
}
CPDF_Font* CPDF_InterForm::GetNativeFormFont(CFX_ByteString& csNameTag) {
return GetNativeInterFormFont(m_pFormDict, m_pDocument, csNameTag);
}
FX_BOOL CPDF_InterForm::FindFormFont(const CPDF_Font* pFont,
CFX_ByteString& csNameTag) {
return FindInterFormFont(m_pFormDict, pFont, csNameTag);
}
FX_BOOL CPDF_InterForm::FindFormFont(CFX_ByteString csFontName,
CPDF_Font*& pFont,
CFX_ByteString& csNameTag) {
return FindInterFormFont(m_pFormDict, m_pDocument, csFontName, pFont,
csNameTag);
}
void CPDF_InterForm::AddFormFont(const CPDF_Font* pFont,
CFX_ByteString& csNameTag) {
AddInterFormFont(m_pFormDict, m_pDocument, pFont, csNameTag);
m_bUpdated = TRUE;
}
CPDF_Font* CPDF_InterForm::AddNativeFormFont(uint8_t charSet,
CFX_ByteString& csNameTag) {
m_bUpdated = TRUE;
return AddNativeInterFormFont(m_pFormDict, m_pDocument, charSet, csNameTag);
}
CPDF_Font* CPDF_InterForm::AddNativeFormFont(CFX_ByteString& csNameTag) {
m_bUpdated = TRUE;
return AddNativeInterFormFont(m_pFormDict, m_pDocument, csNameTag);
}
void CPDF_InterForm::RemoveFormFont(const CPDF_Font* pFont) {
m_bUpdated = TRUE;
RemoveInterFormFont(m_pFormDict, pFont);
}
void CPDF_InterForm::RemoveFormFont(CFX_ByteString csNameTag) {
m_bUpdated = TRUE;
RemoveInterFormFont(m_pFormDict, csNameTag);
}
CPDF_DefaultAppearance CPDF_InterForm::GetDefaultAppearance() {
CFX_ByteString csDA;
if (m_pFormDict == NULL) {
return csDA;
}
csDA = m_pFormDict->GetString("DA");
return csDA;
}
CPDF_Font* CPDF_InterForm::GetDefaultFormFont() {
return GetDefaultInterFormFont(m_pFormDict, m_pDocument);
}
int CPDF_InterForm::GetFormAlignment() {
if (m_pFormDict == NULL) {
return 0;
}
return m_pFormDict->GetInteger("Q", 0);
}
FX_BOOL CPDF_InterForm::ResetForm(const CFX_PtrArray& fields,
FX_BOOL bIncludeOrExclude,
FX_BOOL bNotify) {
if (bNotify && m_pFormNotify != NULL) {
int iRet = m_pFormNotify->BeforeFormReset(this);
if (iRet < 0) {
return FALSE;
}
}
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField == NULL) {
continue;
}
FX_BOOL bFind = FALSE;
int iCount = fields.GetSize();
for (int i = 0; i < iCount; i++) {
if (pField == (CPDF_FormField*)fields[i]) {
bFind = TRUE;
break;
}
}
if ((bIncludeOrExclude && bFind) || (!bIncludeOrExclude && !bFind)) {
pField->ResetField(bNotify);
}
}
if (bNotify && m_pFormNotify != NULL) {
m_pFormNotify->AfterFormReset(this);
}
return TRUE;
}
FX_BOOL CPDF_InterForm::ResetForm(FX_BOOL bNotify) {
if (bNotify && m_pFormNotify != NULL) {
int iRet = m_pFormNotify->BeforeFormReset(this);
if (iRet < 0) {
return FALSE;
}
}
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField == NULL) {
continue;
}
pField->ResetField(bNotify);
}
if (bNotify && m_pFormNotify != NULL) {
m_pFormNotify->AfterFormReset(this);
}
return TRUE;
}
void CPDF_InterForm::LoadField(CPDF_Dictionary* pFieldDict, int nLevel) {
if (nLevel > nMaxRecursion) {
return;
}
if (pFieldDict == NULL) {
return;
}
FX_DWORD dwParentObjNum = pFieldDict->GetObjNum();
CPDF_Array* pKids = pFieldDict->GetArray("Kids");
if (!pKids) {
AddTerminalField(pFieldDict);
return;
}
CPDF_Dictionary* pFirstKid = pKids->GetDict(0);
if (pFirstKid == NULL) {
return;
}
if (pFirstKid->KeyExist("T") || pFirstKid->KeyExist("Kids")) {
for (FX_DWORD i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pChildDict = pKids->GetDict(i);
if (pChildDict) {
if (pChildDict->GetObjNum() != dwParentObjNum) {
LoadField(pChildDict, nLevel + 1);
}
}
}
} else {
AddTerminalField(pFieldDict);
}
}
FX_BOOL CPDF_InterForm::HasXFAForm() const {
return m_pFormDict && m_pFormDict->GetArray(FX_BSTRC("XFA")) != NULL;
}
void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) {
ASSERT(pPage != NULL);
CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
if (pPageDict == NULL) {
return;
}
CPDF_Array* pAnnots = pPageDict->GetArray(FX_BSTRC("Annots"));
if (pAnnots == NULL) {
return;
}
int iAnnotCount = pAnnots->GetCount();
for (int i = 0; i < iAnnotCount; i++) {
CPDF_Dictionary* pAnnot = pAnnots->GetDict(i);
if (pAnnot != NULL && pAnnot->GetString(FX_BSTRC("Subtype")) == "Widget") {
LoadField(pAnnot);
}
}
}
CPDF_FormField* CPDF_InterForm::AddTerminalField(
const CPDF_Dictionary* pFieldDict) {
if (!pFieldDict->KeyExist(FX_BSTRC("T"))) {
return NULL;
}
CPDF_Dictionary* pDict = (CPDF_Dictionary*)pFieldDict;
CFX_WideString csWName = GetFullName(pDict);
if (csWName.IsEmpty()) {
return NULL;
}
CPDF_FormField* pField = NULL;
pField = m_pFieldTree->GetField(csWName);
if (pField == NULL) {
CPDF_Dictionary* pParent = (CPDF_Dictionary*)pFieldDict;
if (!pFieldDict->KeyExist(FX_BSTRC("T")) &&
pFieldDict->GetString(FX_BSTRC("Subtype")) == FX_BSTRC("Widget")) {
pParent = pFieldDict->GetDict(FX_BSTRC("Parent"));
if (!pParent) {
pParent = (CPDF_Dictionary*)pFieldDict;
}
}
if (pParent && pParent != pFieldDict &&
!pParent->KeyExist(FX_BSTRC("FT"))) {
if (pFieldDict->KeyExist(FX_BSTRC("FT"))) {
CPDF_Object* pFTValue = pFieldDict->GetElementValue(FX_BSTRC("FT"));
if (pFTValue) {
pParent->SetAt(FX_BSTRC("FT"), pFTValue->Clone());
}
}
if (pFieldDict->KeyExist(FX_BSTRC("Ff"))) {
CPDF_Object* pFfValue = pFieldDict->GetElementValue(FX_BSTRC("Ff"));
if (pFfValue) {
pParent->SetAt(FX_BSTRC("Ff"), pFfValue->Clone());
}
}
}
pField = new CPDF_FormField(this, pParent);
CPDF_Object* pTObj = pDict->GetElement("T");
if (pTObj && pTObj->GetType() == PDFOBJ_REFERENCE) {
CPDF_Object* pClone = pTObj->Clone(TRUE);
if (pClone) {
pDict->SetAt("T", pClone);
} else {
pDict->SetAtName("T", "");
}
}
m_pFieldTree->SetField(csWName, pField);
}
CPDF_Array* pKids = pFieldDict->GetArray("Kids");
if (pKids == NULL) {
if (pFieldDict->GetString("Subtype") == "Widget") {
AddControl(pField, pFieldDict);
}
} else {
for (FX_DWORD i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pKid = pKids->GetDict(i);
if (pKid == NULL) {
continue;
}
if (pKid->GetString("Subtype") != "Widget") {
continue;
}
AddControl(pField, pKid);
}
}
return pField;
}
CPDF_FormControl* CPDF_InterForm::AddControl(
const CPDF_FormField* pField,
const CPDF_Dictionary* pWidgetDict) {
const auto it = m_ControlMap.find(pWidgetDict);
if (it != m_ControlMap.end())
return it->second;
CPDF_FormControl* pControl = new CPDF_FormControl(
(CPDF_FormField*)pField, (CPDF_Dictionary*)pWidgetDict);
m_ControlMap[pWidgetDict] = pControl;
((CPDF_FormField*)pField)->m_ControlList.Add(pControl);
return pControl;
}
CPDF_FormField* CPDF_InterForm::CheckRequiredFields(
const CFX_PtrArray* fields,
FX_BOOL bIncludeOrExclude) const {
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField == NULL) {
continue;
}
int32_t iType = pField->GetType();
if (iType == CPDF_FormField::PushButton ||
iType == CPDF_FormField::CheckBox || iType == CPDF_FormField::ListBox) {
continue;
}
FX_DWORD dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04) {
continue;
}
FX_BOOL bFind = TRUE;
if (fields != NULL) {
bFind = fields->Find(pField, 0) >= 0;
}
if ((bIncludeOrExclude && bFind) || (!bIncludeOrExclude && !bFind)) {
CPDF_Dictionary* pFieldDict = pField->m_pDict;
if ((dwFlags & 0x02) != 0 && pFieldDict->GetString("V").IsEmpty()) {
return pField;
}
}
}
return NULL;
}
CFDF_Document* CPDF_InterForm::ExportToFDF(const CFX_WideStringC& pdf_path,
FX_BOOL bSimpleFileSpec) const {
CFX_PtrArray fields;
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
fields.Add(pField);
}
return ExportToFDF(pdf_path, fields, TRUE, bSimpleFileSpec);
}
CFX_WideString FILESPEC_EncodeFileName(const CFX_WideStringC& filepath);
CFDF_Document* CPDF_InterForm::ExportToFDF(const CFX_WideStringC& pdf_path,
CFX_PtrArray& fields,
FX_BOOL bIncludeOrExclude,
FX_BOOL bSimpleFileSpec) const {
CFDF_Document* pDoc = CFDF_Document::CreateNewDoc();
if (pDoc == NULL) {
return NULL;
}
CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDict("FDF");
if (!pdf_path.IsEmpty()) {
if (bSimpleFileSpec) {
CFX_WideString wsFilePath = FILESPEC_EncodeFileName(pdf_path);
pMainDict->SetAtString(FX_BSTRC("F"),
CFX_ByteString::FromUnicode(wsFilePath));
pMainDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(wsFilePath));
} else {
CPDF_FileSpec filespec;
filespec.SetFileName(pdf_path);
pMainDict->SetAt("F", (CPDF_Object*)filespec);
}
}
CPDF_Array* pFields = CPDF_Array::Create();
if (pFields == NULL) {
return NULL;
}
pMainDict->SetAt("Fields", pFields);
int nCount = m_pFieldTree->m_Root.CountFields();
for (int i = 0; i < nCount; i++) {
CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
if (pField == NULL || pField->GetType() == CPDF_FormField::PushButton) {
continue;
}
FX_DWORD dwFlags = pField->GetFieldFlags();
if (dwFlags & 0x04) {
continue;
}
FX_BOOL bFind = fields.Find(pField, 0) >= 0;
if ((bIncludeOrExclude && bFind) || (!bIncludeOrExclude && !bFind)) {
if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetString("V").IsEmpty()) {
continue;
}
CFX_WideString fullname = GetFullName(pField->GetFieldDict());
CPDF_Dictionary* pFieldDict = CPDF_Dictionary::Create();
if (pFieldDict == NULL) {
return NULL;
}
CPDF_String* pString = CPDF_String::Create(fullname);
if (pString == NULL) {
pFieldDict->Release();
return NULL;
}
pFieldDict->SetAt("T", pString);
if (pField->GetType() == CPDF_FormField::CheckBox ||
pField->GetType() == CPDF_FormField::RadioButton) {
CFX_WideString csExport = pField->GetCheckValue(FALSE);
CFX_ByteString csBExport = PDF_EncodeText(csExport);
CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
if (pOpt == NULL) {
pFieldDict->SetAtName("V", csBExport);
} else {
pFieldDict->SetAtString("V", csBExport);
}
} else {
CPDF_Object* pV = FPDF_GetFieldAttr(pField->m_pDict, "V");
if (pV != NULL) {
pFieldDict->SetAt("V", pV->Clone(TRUE));
}
}
pFields->Add(pFieldDict);
}
}
return pDoc;
}
const struct _SupportFieldEncoding {
const FX_CHAR* m_name;
int32_t m_codePage;
} g_fieldEncoding[] = {
{"BigFive", 950},
{"GBK", 936},
{"Shift-JIS", 932},
{"UHC", 949},
};
static void FPDFDOC_FDF_GetFieldValue(CPDF_Dictionary* pFieldDict,
CFX_WideString& csValue,
CFX_ByteString& bsEncoding) {
ASSERT(pFieldDict != NULL);
CFX_ByteString csBValue = pFieldDict->GetString("V");
int32_t iCount = sizeof(g_fieldEncoding) / sizeof(g_fieldEncoding[0]);
int32_t i = 0;
for (; i < iCount; ++i)
if (bsEncoding == g_fieldEncoding[i].m_name) {
break;
}
if (i < iCount) {
CFX_CharMap* pCharMap =
CFX_CharMap::GetDefaultMapper(g_fieldEncoding[i].m_codePage);
FXSYS_assert(pCharMap != NULL);
csValue.ConvertFrom(csBValue, pCharMap);
return;
}
CFX_ByteString csTemp = csBValue.Left(2);
if (csTemp == "\xFF\xFE" || csTemp == "\xFE\xFF") {
csValue = PDF_DecodeText(csBValue);
} else {
csValue = CFX_WideString::FromLocal(csBValue);
}
}
void CPDF_InterForm::FDF_ImportField(CPDF_Dictionary* pFieldDict,
const CFX_WideString& parent_name,
FX_BOOL bNotify,
int nLevel) {
CFX_WideString name;
if (!parent_name.IsEmpty()) {
name = parent_name + L".";
}
name += pFieldDict->GetUnicodeText("T");
CPDF_Array* pKids = pFieldDict->GetArray("Kids");
if (pKids) {
for (FX_DWORD i = 0; i < pKids->GetCount(); i++) {
CPDF_Dictionary* pKid = pKids->GetDict(i);
if (pKid == NULL) {
continue;
}
if (nLevel <= nMaxRecursion) {
FDF_ImportField(pKid, name, bNotify, nLevel + 1);
}
}
return;
}
if (!pFieldDict->KeyExist("V")) {
return;
}
CPDF_FormField* pField = m_pFieldTree->GetField(name);
if (pField == NULL) {
return;
}
CFX_WideString csWValue;
FPDFDOC_FDF_GetFieldValue(pFieldDict, csWValue, m_bsEncoding);
int iType = pField->GetFieldType();
if (bNotify && m_pFormNotify != NULL) {
int iRet = 0;
if (iType == FIELDTYPE_LISTBOX) {
iRet = m_pFormNotify->BeforeSelectionChange(pField, csWValue);
} else if (iType == FIELDTYPE_COMBOBOX || iType == FIELDTYPE_TEXTFIELD) {
iRet = m_pFormNotify->BeforeValueChange(pField, csWValue);
}
if (iRet < 0) {
return;
}
}
CFX_ByteArray statusArray;
if (iType == FIELDTYPE_CHECKBOX || iType == FIELDTYPE_RADIOBUTTON) {
SaveCheckedFieldStatus(pField, statusArray);
}
pField->SetValue(csWValue);
CPDF_FormField::Type eType = pField->GetType();
if ((eType == CPDF_FormField::ListBox || eType == CPDF_FormField::ComboBox) &&
pFieldDict->KeyExist("Opt")) {
pField->m_pDict->SetAt("Opt",
pFieldDict->GetElementValue("Opt")->Clone(TRUE));
}
if (bNotify && m_pFormNotify != NULL) {
if (iType == FIELDTYPE_CHECKBOX || iType == FIELDTYPE_RADIOBUTTON) {
m_pFormNotify->AfterCheckedStatusChange(pField, statusArray);
} else if (iType == FIELDTYPE_LISTBOX) {
m_pFormNotify->AfterSelectionChange(pField);
} else if (iType == FIELDTYPE_COMBOBOX || iType == FIELDTYPE_TEXTFIELD) {
m_pFormNotify->AfterValueChange(pField);
}
}
if (CPDF_InterForm::m_bUpdateAP) {
pField->UpdateAP(NULL);
}
}
FX_BOOL CPDF_InterForm::ImportFromFDF(const CFDF_Document* pFDF,
FX_BOOL bNotify) {
if (pFDF == NULL) {
return FALSE;
}
CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDict("FDF");
if (pMainDict == NULL) {
return FALSE;
}
CPDF_Array* pFields = pMainDict->GetArray("Fields");
if (pFields == NULL) {
return FALSE;
}
m_bsEncoding = pMainDict->GetString(FX_BSTRC("Encoding"));
if (bNotify && m_pFormNotify != NULL) {
int iRet = m_pFormNotify->BeforeFormImportData(this);
if (iRet < 0) {
return FALSE;
}
}
for (FX_DWORD i = 0; i < pFields->GetCount(); i++) {
CPDF_Dictionary* pField = pFields->GetDict(i);
if (pField == NULL) {
continue;
}
FDF_ImportField(pField, L"", bNotify);
}
if (bNotify && m_pFormNotify != NULL) {
m_pFormNotify->AfterFormImportData(this);
}
return TRUE;
}
void CPDF_InterForm::SetFormNotify(const CPDF_FormNotify* pNotify) {
m_pFormNotify = (CPDF_FormNotify*)pNotify;
}