copy graphics state fully

core/fxge/ge/fx_ge_device.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"
 #include "core/fxge/include/ifx_renderdevicedriver.h"
 
+#if defined _SKIA_SUPPORT_
+#include "third_party/skia/include/core/SkTypes.h"
+#endif
+
 CFX_RenderDevice::CFX_RenderDevice()
     : m_pBitmap(nullptr),
       m_Width(0),
       m_Height(0),
       m_bpp(0),
       m_RenderCaps(0),
       m_DeviceClass(0),
       m_pDeviceDriver(nullptr) {}
 
 CFX_RenderDevice::~CFX_RenderDevice() {
   delete m_pDeviceDriver;
 }
 
+void CFX_RenderDevice::Flush() {
+  delete m_pDeviceDriver;
+  m_pDeviceDriver = nullptr;
+}
+
 void CFX_RenderDevice::SetDeviceDriver(IFX_RenderDeviceDriver* pDriver) {
   delete m_pDeviceDriver;
   m_pDeviceDriver = pDriver;
   InitDeviceInfo();
 }
 
 void CFX_RenderDevice::InitDeviceInfo() {
   m_Width = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_WIDTH);
   m_Height = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_HEIGHT);
   m_bpp = m_pDeviceDriver->GetDeviceCaps(FXDC_BITS_PIXEL);
@@ skipping 440 matching lines @@
                                       flags, handle, blend_mode);
 }
 
 FX_BOOL CFX_RenderDevice::ContinueDIBits(void* handle, IFX_Pause* pPause) {
   return m_pDeviceDriver->ContinueDIBits(handle, pPause);
 }
 
 void CFX_RenderDevice::CancelDIBits(void* handle) {
   m_pDeviceDriver->CancelDIBits(handle);
 }
+
+#ifdef _SKIA_SUPPORT_
+
+void CFX_RenderDevice::DebugVerifyBitmapIsPreMultiplied() const {
+  SkASSERT(0);
+}
+#endif