Add bitmaps and skp output to Skia port

fpdfsdk/src/fpdfview.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/fpdfview.h"
 
 #include <memory>
 
@@ skipping 626 matching lines @@
                                              int rotate,
                                              int flags) {
   if (!bitmap)
     return;
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage)
     return;
   CRenderContext* pContext = new CRenderContext;
   pPage->SetPrivateData((void*)1, pContext, DropContext);
 #ifdef _SKIA_SUPPORT_
-  pContext->m_pDevice = new CFX_SkiaDevice;
+  pContext->m_pDevice = new CFX_SkiaDevice();
 
   if (flags & FPDF_REVERSE_BYTE_ORDER)
     ((CFX_SkiaDevice*)pContext->m_pDevice)
         ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE);
   else
     ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
 #else
   pContext->m_pDevice = new CFX_FxgeDevice;
 
   if (flags & FPDF_REVERSE_BYTE_ORDER)
     ((CFX_FxgeDevice*)pContext->m_pDevice)
         ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE);
   else
     ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
 #endif
 
   FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
                          rotate, flags, TRUE, NULL);
 
   delete pContext;
   pPage->RemovePrivateData((void*)1);
 }
 
+#ifdef _SKIA_SUPPORT_
+DLLEXPORT FPDF_RECORDER STDCALL FPDF_RenderPageSkp(FPDF_PAGE page,
+                                                   int size_x,
+                                                   int size_y) {
+  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
+  if (!pPage)
+    return nullptr;
+  std::unique_ptr<CRenderContext> pContext(new CRenderContext);
+  pPage->SetPrivateData((void*)1, pContext.get(), DropContext);
+  CFX_SkiaDevice* skDevice = new CFX_SkiaDevice();
+  FPDF_RECORDER recorder = skDevice->CreateRecorder(size_x, size_y);
+  pContext->m_pDevice = skDevice;
+
+  FPDF_RenderPage_Retail(pContext.get(), page, 0, 0, size_x, size_y, 0, 0, TRUE,
+                         NULL);
+  pPage->RemovePrivateData((void*)1);
+  return recorder;
+}
+#endif
+
 DLLEXPORT void STDCALL FPDF_ClosePage(FPDF_PAGE page) {
   if (!page)
     return;
 #ifdef PDF_ENABLE_XFA
   CPDFXFA_Page* pPage = (CPDFXFA_Page*)page;
   pPage->Release();
 #else   // PDF_ENABLE_XFA
   CPDFSDK_PageView* pPageView =
       (CPDFSDK_PageView*)(((CPDF_Page*)page))->GetPrivateData((void*)page);
   if (pPageView && pPageView->IsLocked()) {
@@ skipping 454 matching lines @@
   if (!buffer) {
     *buflen = len;
   } else if (*buflen >= len) {
     memcpy(buffer, utf16Name.c_str(), len);
     *buflen = len;
   } else {
     *buflen = -1;
   }
   return (FPDF_DEST)pDestObj;
 }