Use smart pointers for graphics device classes

core/fxge/win32/fx_win32_print.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/fxge/include/fx_ge.h"
 
 #if _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_DESKTOP_
 
@@ skipping 68 matching lines @@
                          top - pSrcRect->top, pSource->GetWidth(),
                          pSource->GetHeight(), &clip_rect, 0,
                          FXDIB_BLEND_NORMAL);
   }
   ASSERT(pSource && !pSource->IsAlphaMask() && pSrcRect);
   ASSERT(blend_type == FXDIB_BLEND_NORMAL);
   if (pSource->HasAlpha())
     return FALSE;
 
   CFX_DIBExtractor temp(pSource);
-  CFX_DIBitmap* pBitmap = temp;
+  CFX_DIBitmap* pBitmap = temp.GetBitmap();
   if (!pBitmap)
     return FALSE;
 
   return GDI_SetDIBits(pBitmap, pSrcRect, left, top);
 }
 
 FX_BOOL CGdiPrinterDriver::StretchDIBits(const CFX_DIBSource* pSource,
                                          uint32_t color,
                                          int dest_left,
                                          int dest_top,
@@ skipping 17 matching lines @@
         dest_left += dest_width;
       if (dest_height < 0)
         dest_top += dest_height;
 
       return GDI_StretchBitMask(pFlipped.get(), dest_left, dest_top,
                                 abs(dest_width), abs(dest_height), color,
                                 flags);
     }
 
     CFX_DIBExtractor temp(pSource);
-    CFX_DIBitmap* pBitmap = temp;
+    CFX_DIBitmap* pBitmap = temp.GetBitmap();
     if (!pBitmap)
       return FALSE;
     return GDI_StretchBitMask(pBitmap, dest_left, dest_top, dest_width,
                               dest_height, color, flags);
   }
 
   if (pSource->HasAlpha())
     return FALSE;
 
   if (dest_width < 0 || dest_height < 0) {
     std::unique_ptr<CFX_DIBitmap> pFlipped(
         pSource->FlipImage(dest_width < 0, dest_height < 0));
     if (!pFlipped)
       return FALSE;
 
     if (dest_width < 0)
       dest_left += dest_width;
     if (dest_height < 0)
       dest_top += dest_height;
 
     return GDI_StretchDIBits(pFlipped.get(), dest_left, dest_top,
                              abs(dest_width), abs(dest_height), flags);
   }
 
   CFX_DIBExtractor temp(pSource);
-  CFX_DIBitmap* pBitmap = temp;
+  CFX_DIBitmap* pBitmap = temp.GetBitmap();
   if (!pBitmap)
     return FALSE;
   return GDI_StretchDIBits(pBitmap, dest_left, dest_top, dest_width,
                            dest_height, flags);
 }
 
 FX_BOOL CGdiPrinterDriver::StartDIBits(const CFX_DIBSource* pSource,
                                        int bitmap_alpha,
                                        uint32_t color,
                                        const CFX_Matrix* pMatrix,
@@ skipping 145 matching lines @@
   // Try to get the font and draw again.
   g_pdfium_typeface_accessible_func(&lf, wsText.c_str(), nChars);
   return ExtTextOutW(m_hDC, 0, 0, ETO_GLYPH_INDEX, nullptr, wsText.c_str(),
                      nChars, nullptr);
 #else
   return FALSE;
 #endif
 }
 
 #endif  // _FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_DESKTOP_