Merge to XFA: Rename CPDF_PageContentGenerate to CPDF_PageContentGenerator.

core/src/fpdfapi/fpdf_edit/fpdf_edit_content.cpp

 // 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 "core/include/fpdfapi/fpdf_module.h"
 #include "core/include/fpdfapi/fpdf_page.h"
 #include "core/include/fpdfapi/fpdf_serial.h"
 #include "core/src/fpdfapi/fpdf_page/pageint.h"
 
 CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) {
   ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " "
      << matrix.e << " " << matrix.f;
   return ar;
 }
-CPDF_PageContentGenerate::CPDF_PageContentGenerate(CPDF_Page* pPage)
+CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage)
     : m_pPage(pPage) {
   m_pDocument = NULL;
   if (m_pPage) {
     m_pDocument = m_pPage->m_pDocument;
   }
   FX_POSITION pos = pPage->GetFirstObjectPosition();
   while (pos) {
     InsertPageObject(pPage->GetNextObject(pos));
   }
 }
-CPDF_PageContentGenerate::~CPDF_PageContentGenerate() {}
-FX_BOOL CPDF_PageContentGenerate::InsertPageObject(
+CPDF_PageContentGenerator::~CPDF_PageContentGenerator() {}
+FX_BOOL CPDF_PageContentGenerator::InsertPageObject(
     CPDF_PageObject* pPageObject) {
   if (!pPageObject) {
     return FALSE;
   }
   return m_pageObjects.Add(pPageObject);
 }
-void CPDF_PageContentGenerate::GenerateContent() {
+void CPDF_PageContentGenerator::GenerateContent() {
   CFX_ByteTextBuf buf;
   CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict;
   for (int i = 0; i < m_pageObjects.GetSize(); ++i) {
     CPDF_PageObject* pPageObj = m_pageObjects[i];
     if (!pPageObj || pPageObj->m_Type != PDFPAGE_IMAGE) {
       continue;
     }
     ProcessImage(buf, (CPDF_ImageObject*)pPageObj);
   }
   CPDF_Object* pContent =
       pPageDict ? pPageDict->GetElementValue("Contents") : NULL;
   if (pContent) {
     pPageDict->RemoveAt("Contents");
   }
   CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
   pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
   m_pDocument->AddIndirectObject(pStream);
   pPageDict->SetAtReference("Contents", m_pDocument, pStream->GetObjNum());
 }
-CFX_ByteString CPDF_PageContentGenerate::RealizeResource(
+CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
     CPDF_Object* pResourceObj,
     const FX_CHAR* szType) {
   if (!m_pPage->m_pResources) {
     m_pPage->m_pResources = new CPDF_Dictionary;
     int objnum = m_pDocument->AddIndirectObject(m_pPage->m_pResources);
     m_pPage->m_pFormDict->SetAtReference("Resources", m_pDocument, objnum);
   }
   CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDict(szType);
   if (!pResList) {
     pResList = new CPDF_Dictionary;
     m_pPage->m_pResources->SetAt(szType, pResList);
   }
   m_pDocument->AddIndirectObject(pResourceObj);
   CFX_ByteString name;
   int idnum = 1;
   while (1) {
     name.Format("FX%c%d", szType[0], idnum);
     if (!pResList->KeyExist(name)) {
       break;
     }
     idnum++;
   }
   pResList->AddReference(name, m_pDocument, pResourceObj->GetObjNum());
   return name;
 }
-void CPDF_PageContentGenerate::ProcessImage(CFX_ByteTextBuf& buf,
-                                            CPDF_ImageObject* pImageObj) {
+void CPDF_PageContentGenerator::ProcessImage(CFX_ByteTextBuf& buf,
+                                             CPDF_ImageObject* pImageObj) {
   if ((pImageObj->m_Matrix.a == 0 && pImageObj->m_Matrix.b == 0) ||
       (pImageObj->m_Matrix.c == 0 && pImageObj->m_Matrix.d == 0)) {
     return;
   }
   buf << "q " << pImageObj->m_Matrix << " cm ";
   if (!pImageObj->m_pImage->IsInline()) {
     CPDF_Stream* pStream = pImageObj->m_pImage->GetStream();
     FX_DWORD dwSavedObjNum = pStream->GetObjNum();
     CFX_ByteString name = RealizeResource(pStream, "XObject");
     if (dwSavedObjNum == 0) {
       if (pImageObj->m_pImage)
         pImageObj->m_pImage->Release();
       pImageObj->m_pImage = m_pDocument->GetPageData()->GetImage(pStream);
     }
     buf << "/" << PDF_NameEncode(name) << " Do Q\n";
   }
 }
-void CPDF_PageContentGenerate::ProcessForm(CFX_ByteTextBuf& buf,
-                                           const uint8_t* data,
-                                           FX_DWORD size,
-                                           CFX_Matrix& matrix) {
+void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
+                                            const uint8_t* data,
+                                            FX_DWORD size,
+                                            CFX_Matrix& matrix) {
   if (!data || !size) {
     return;
   }
   CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
   CPDF_Dictionary* pFormDict = new CPDF_Dictionary;
   pFormDict->SetAtName("Type", "XObject");
   pFormDict->SetAtName("Subtype", "Form");
   CFX_FloatRect bbox = m_pPage->GetPageBBox();
   matrix.TransformRect(bbox);
   pFormDict->SetAtRect("BBox", bbox);
   pStream->InitStream((uint8_t*)data, size, pFormDict);
   buf << "q " << matrix << " cm ";
   CFX_ByteString name = RealizeResource(pStream, "XObject");
   buf << "/" << PDF_NameEncode(name) << " Do Q\n";
 }
-void CPDF_PageContentGenerate::TransformContent(CFX_Matrix& matrix) {
+void CPDF_PageContentGenerator::TransformContent(CFX_Matrix& matrix) {
   CPDF_Dictionary* pDict = m_pPage->m_pFormDict;
   CPDF_Object* pContent = pDict ? pDict->GetElementValue("Contents") : NULL;
   if (!pContent)
     return;
 
   CFX_ByteTextBuf buf;
   if (CPDF_Array* pArray = pContent->AsArray()) {
     int iCount = pArray->GetCount();
     CPDF_StreamAcc** pContentArray = FX_Alloc(CPDF_StreamAcc*, iCount);
     int size = 0;
@@ skipping 25 matching lines @@
     CPDF_StreamAcc contentStream;
     contentStream.LoadAllData(pStream);
     ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
   }
   CPDF_Stream* pStream = new CPDF_Stream(NULL, 0, NULL);
   pStream->SetData(buf.GetBuffer(), buf.GetLength(), FALSE, FALSE);
   m_pDocument->AddIndirectObject(pStream);
   m_pPage->m_pFormDict->SetAtReference("Contents", m_pDocument,
                                        pStream->GetObjNum());
 }