Use actual type instead CFX_Deletable

fpdfsdk/fpdf_progressive.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 "public/fpdf_progressive.h"
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_progressiverenderer.h"
+#include "core/fpdfapi/include/cpdf_pagerendercontext.h"
+#include "core/fxcrt/include/fx_memory.h"
 #include "core/fxge/include/fx_ge.h"
 #include "fpdfsdk/include/fsdk_define.h"
-#include "fpdfsdk/include/fsdk_rendercontext.h"
+#include "fpdfsdk/include/fsdk_pauseadapter.h"
 #include "public/fpdfview.h"
 
 // These checks are here because core/ and public/ cannot depend on each other.
 static_assert(CPDF_ProgressiveRenderer::Ready == FPDF_RENDER_READER,
               "CPDF_ProgressiveRenderer::Ready value mismatch");
 static_assert(CPDF_ProgressiveRenderer::ToBeContinued ==
                   FPDF_RENDER_TOBECOUNTINUED,
               "CPDF_ProgressiveRenderer::ToBeContinued value mismatch");
 static_assert(CPDF_ProgressiveRenderer::Done == FPDF_RENDER_DONE,
               "CPDF_ProgressiveRenderer::Done value mismatch");
 static_assert(CPDF_ProgressiveRenderer::Failed == FPDF_RENDER_FAILED,
               "CPDF_ProgressiveRenderer::Failed value mismatch");
 
 DLLEXPORT int STDCALL FPDF_RenderPageBitmap_Start(FPDF_BITMAP bitmap,
                                                   FPDF_PAGE page,
                                                   int start_x,
                                                   int start_y,
                                                   int size_x,
                                                   int size_y,
                                                   int rotate,
                                                   int flags,
                                                   IFSDK_PAUSE* pause) {
   if (!bitmap || !pause || pause->version != 1)
     return FPDF_RENDER_FAILED;
 
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return FPDF_RENDER_FAILED;
 
-  CRenderContext* pContext = new CRenderContext;
-  pPage->SetRenderContext(std::unique_ptr<CFX_Deletable>(pContext));
+  CPDF_PageRenderContext* pContext = new CPDF_PageRenderContext;
+  pPage->SetRenderContext(WrapUnique(pContext));
   CFX_FxgeDevice* pDevice = new CFX_FxgeDevice;
-  pContext->m_pDevice = pDevice;
+  pContext->m_pDevice.reset(pDevice);
   CFX_DIBitmap* pBitmap = CFXBitmapFromFPDFBitmap(bitmap);
   pDevice->Attach(pBitmap, !!(flags & FPDF_REVERSE_BYTE_ORDER), nullptr, false);
 
   IFSDK_PAUSE_Adapter IPauseAdapter(pause);
   FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
                          rotate, flags, FALSE, &IPauseAdapter);
 
   if (pContext->m_pRenderer) {
     return CPDF_ProgressiveRenderer::ToFPDFStatus(
         pContext->m_pRenderer->GetStatus());
   }
   return FPDF_RENDER_FAILED;
 }
 
 DLLEXPORT int STDCALL FPDF_RenderPage_Continue(FPDF_PAGE page,
                                                IFSDK_PAUSE* pause) {
   if (!pause || pause->version != 1)
     return FPDF_RENDER_FAILED;
 
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return FPDF_RENDER_FAILED;
 
-  CRenderContext* pContext =
-      static_cast<CRenderContext*>(pPage->GetRenderContext());
+  CPDF_PageRenderContext* pContext = pPage->GetRenderContext();
   if (pContext && pContext->m_pRenderer) {
     IFSDK_PAUSE_Adapter IPauseAdapter(pause);
     pContext->m_pRenderer->Continue(&IPauseAdapter);
     return CPDF_ProgressiveRenderer::ToFPDFStatus(
         pContext->m_pRenderer->GetStatus());
   }
   return FPDF_RENDER_FAILED;
 }
 
 DLLEXPORT void STDCALL FPDF_RenderPage_Close(FPDF_PAGE page) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return;
 
-  CRenderContext* pContext =
-      static_cast<CRenderContext*>(pPage->GetRenderContext());
+  CPDF_PageRenderContext* pContext = pPage->GetRenderContext();
   if (!pContext)
     return;
 
   pContext->m_pDevice->RestoreState(false);
-  pPage->SetRenderContext(std::unique_ptr<CFX_Deletable>());
+  pPage->SetRenderContext(std::unique_ptr<CPDF_PageRenderContext>());
 }