diff options
Diffstat (limited to 'core/src/fpdfdoc/doc_utils.cpp')
| -rw-r--r-- | core/src/fpdfdoc/doc_utils.cpp | 749 |
1 files changed, 749 insertions, 0 deletions
diff --git a/core/src/fpdfdoc/doc_utils.cpp b/core/src/fpdfdoc/doc_utils.cpp new file mode 100644 index 0000000000..dd81594998 --- /dev/null +++ b/core/src/fpdfdoc/doc_utils.cpp @@ -0,0 +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);
+}
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