Make CPDF_ImageObject::m_Matrix private.

core/fpdfapi/edit/cpdf_pagecontentgenerator.cpp

 // Copyright 2016 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/fpdfapi/edit/cpdf_pagecontentgenerator.h"
 
 #include "core/fpdfapi/page/cpdf_docpagedata.h"
 #include "core/fpdfapi/page/cpdf_image.h"
 #include "core/fpdfapi/page/cpdf_imageobject.h"
 #include "core/fpdfapi/page/cpdf_page.h"
 #include "core/fpdfapi/parser/cpdf_dictionary.h"
 #include "core/fpdfapi/parser/cpdf_document.h"
 #include "core/fpdfapi/parser/cpdf_name.h"
 #include "core/fpdfapi/parser/cpdf_reference.h"
 #include "core/fpdfapi/parser/cpdf_stream.h"
 #include "core/fpdfapi/parser/fpdf_parser_decode.h"
 
 namespace {
 
-CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, CFX_Matrix& matrix) {
+CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& ar, const CFX_Matrix& matrix) {
   ar << matrix.a << " " << matrix.b << " " << matrix.c << " " << matrix.d << " "
      << matrix.e << " " << matrix.f;
   return ar;
 }
 
 }  // namespace
 
 CPDF_PageContentGenerator::CPDF_PageContentGenerator(CPDF_Page* pPage)
     : m_pPage(pPage), m_pDocument(m_pPage->m_pDocument) {
   for (const auto& pObj : *pPage->GetPageObjectList()) {
@@ skipping 44 matching lines @@
       break;
     }
     idnum++;
   }
   pResList->SetNewFor<CPDF_Reference>(name, m_pDocument, dwResourceObjNum);
   return name;
 }
 
 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)) {
+  if ((pImageObj->matrix().a == 0 && pImageObj->matrix().b == 0) ||
+      (pImageObj->matrix().c == 0 && pImageObj->matrix().d == 0)) {
     return;
   }
-  *buf << "q " << pImageObj->m_Matrix << " cm ";
+  *buf << "q " << pImageObj->matrix() << " cm ";
 
   CPDF_Image* pImage = pImageObj->GetImage();
   if (pImage->IsInline())
     return;
 
   CPDF_Stream* pStream = pImage->GetStream();
   if (!pStream)
     return;
 
   bool bWasInline = pStream->IsInline();
   if (bWasInline)
     pImage->ConvertStreamToIndirectObject();
 
   uint32_t dwObjNum = pStream->GetObjNum();
   CFX_ByteString name = RealizeResource(dwObjNum, "XObject");
   if (bWasInline)
     pImageObj->SetUnownedImage(m_pDocument->GetPageData()->GetImage(dwObjNum));
 
   *buf << "/" << PDF_NameEncode(name) << " Do Q\n";
 }