blob: dd8159499884cb234176b6306debe6f2bc94377a [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"
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);
}