Change _PDF_RenderItem to CPDF_RenderContext::Layer.

core/src/fpdfapi/fpdf_render/fpdf_render_image.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 "render_int.h"
 
 #include <utility>
 #include <vector>
@@ skipping 865 matching lines @@
   if (!pGroup) {
     return NULL;
   }
   std::unique_ptr<CPDF_Function> pFunc;
   CPDF_Object* pFuncObj = pSMaskDict->GetElementValue("TR");
   if (pFuncObj && (pFuncObj->IsDictionary() || pFuncObj->IsStream()))
     pFunc.reset(CPDF_Function::Load(pFuncObj));
 
   CFX_Matrix matrix = *pMatrix;
   matrix.TranslateI(-pClipRect->left, -pClipRect->top);
-  CPDF_Form form(m_pContext->m_pDocument, m_pContext->m_pPageResources, pGroup);
+  CPDF_Form form(m_pContext->GetDocument(), m_pContext->GetPageResources(),
+                 pGroup);
   form.ParseContent(NULL, NULL, NULL, NULL);
   CFX_FxgeDevice bitmap_device;
 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
   if (!bitmap_device.Create(width, height,
                             bLuminosity ? FXDIB_Rgb32 : FXDIB_8bppMask)) {
     return NULL;
   }
 #else
   if (!bitmap_device.Create(width, height,
                             bLuminosity ? FXDIB_Rgb : FXDIB_8bppMask)) {
     return NULL;
   }
 #endif
   CFX_DIBitmap& bitmap = *bitmap_device.GetBitmap();
   CPDF_Object* pCSObj = NULL;
   CPDF_ColorSpace* pCS = NULL;
   if (bLuminosity) {
     CPDF_Array* pBC = pSMaskDict->GetArray("BC");
     FX_ARGB back_color = 0xff000000;
     if (pBC) {
       CPDF_Dictionary* pDict = pGroup->GetDict();
       if (pDict && pDict->GetDict("Group"))
         pCSObj = pDict->GetDict("Group")->GetElementValue("CS");
       else
         pCSObj = NULL;
-      pCS = m_pContext->m_pDocument->LoadColorSpace(pCSObj);
+      pCS = m_pContext->GetDocument()->LoadColorSpace(pCSObj);
       if (pCS) {
         FX_FLOAT R, G, B;
         FX_DWORD comps = 8;
         if (pCS->CountComponents() > static_cast<int32_t>(comps)) {
           comps = (FX_DWORD)pCS->CountComponents();
         }
         CFX_FixedBufGrow<FX_FLOAT, 8> float_array(comps);
         FX_FLOAT* pFloats = float_array;
         FX_SAFE_DWORD num_floats = comps;
         num_floats *= sizeof(FX_FLOAT);
         if (!num_floats.IsValid()) {
           return NULL;
         }
         FXSYS_memset(pFloats, 0, num_floats.ValueOrDie());
         int count = pBC->GetCount() > 8 ? 8 : pBC->GetCount();
         for (int i = 0; i < count; i++) {
           pFloats[i] = pBC->GetNumber(i);
         }
         pCS->GetRGB(pFloats, R, G, B);
         back_color = 0xff000000 | ((int32_t)(R * 255) << 16) |
                      ((int32_t)(G * 255) << 8) | (int32_t)(B * 255);
-        m_pContext->m_pDocument->GetPageData()->ReleaseColorSpace(pCSObj);
+        m_pContext->GetDocument()->GetPageData()->ReleaseColorSpace(pCSObj);
       }
     }
     bitmap.Clear(back_color);
   } else {
     bitmap.Clear(0);
   }
   CPDF_Dictionary* pFormResource = NULL;
   if (form.m_pFormDict) {
     pFormResource = form.m_pFormDict->GetDict("Resources");
   }
@@ skipping 39 matching lines @@
   } else if (pFunc) {
     int size = dest_pitch * height;
     for (int i = 0; i < size; i++) {
       dest_buf[i] = transfers[src_buf[i]];
     }
   } else {
     FXSYS_memcpy(dest_buf, src_buf, dest_pitch * height);
   }
   return pMask.release();
 }