Fix sevg above CPDF_PageContentGenerator::ProcessImage()

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/edit/cpdf_creator.h"
 #include "core/fpdfapi/page/cpdf_docpagedata.h"
@@ skipping 76 matching lines @@
   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)) {
     return;
   }
   buf << "q " << pImageObj->m_Matrix << " cm ";
+
   CPDF_Image* pImage = pImageObj->GetImage();
-  if (!pImage->IsInline()) {
-    CPDF_Stream* pStream = pImage->GetStream();
-    uint32_t dwSavedObjNum = pStream->GetObjNum();
-    CFX_ByteString name = RealizeResource(pStream, "XObject");
-    if (dwSavedObjNum == 0) {
-      pImageObj->SetUnownedImage(m_pDocument->GetPageData()->GetImage(pStream));
-    }
-    buf << "/" << PDF_NameEncode(name) << " Do Q\n";
-  }
+  if (pImage->IsInline())
+    return;
+
+  CPDF_Stream* pStream = pImage->GetStream();
+  if (!pStream)
+    return;
+
+  bool bWasInline = pStream->IsInline();
+  CFX_ByteString name = RealizeResource(pStream, "XObject");
+  if (bWasInline)
+    pImageObj->SetUnownedImage(m_pDocument->GetPageData()->GetImage(pStream));
+
+  buf << "/" << PDF_NameEncode(name) << " Do Q\n";
 }
 
 void CPDF_PageContentGenerator::ProcessForm(CFX_ByteTextBuf& buf,
                                             const uint8_t* data,
                                             uint32_t size,
                                             CFX_Matrix& matrix) {
   if (!data || !size)
     return;
 
   CPDF_Dictionary* pFormDict =
@@ skipping 51 matching lines @@
   } else if (CPDF_Stream* pStream = pContent->AsStream()) {
     CPDF_StreamAcc contentStream;
     contentStream.LoadAllData(pStream);
     ProcessForm(buf, contentStream.GetData(), contentStream.GetSize(), matrix);
   }
   CPDF_Stream* pStream = new CPDF_Stream;
   pStream->SetData(buf.GetBuffer(), buf.GetLength());
   m_pPage->m_pFormDict->SetReferenceFor(
       "Contents", m_pDocument, m_pDocument->AddIndirectObject(pStream));
 }