Merge to XFA: Better error from pdfium_test when page too big to render.

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 "../include/fsdk_define.h"
 #include "../include/fsdk_mgr.h"
 #include "../include/fpdfview.h"
 #include "../include/fsdk_rendercontext.h"
 #include "../include/fpdf_progressive.h"
 #include "../include/fpdf_ext.h"
 #include "../../../core/src/fxcrt/fx_safe_types.h"
+#include "../../third_party/base/nonstd_unique_ptr.h"
 #include "../../third_party/base/numerics/safe_conversions_impl.h"
 #include "../include/fpdfformfill.h"
 #include "../include/fpdfxfa/fpdfxfa_doc.h"
 #include "../include/fpdfxfa/fpdfxfa_app.h"
 #include "../include/fpdfxfa/fpdfxfa_page.h"
 #include "../include/fpdfxfa/fpdfxfa_util.h"
 
 CFPDF_FileStream::CFPDF_FileStream(FPDF_FILEHANDLER* pFS)
 {
         m_pFS                   =       pFS;
@@ skipping 679 matching lines @@
 DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
                                                 int rotate, double page_x, double page_y, int* device_x, int* device_y)
 {
         if (page == NULL || device_x == NULL || device_y == NULL) return;
         CPDFXFA_Page* pPage = (CPDFXFA_Page*)page;
         pPage->PageToDevice(start_x, start_y, size_x, size_y, rotate, page_x, page_y, device_x, device_y);
 }
 
 DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width, int height, int alpha)
 {
-        CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap;
-        pBitmap->Create(width, height, alpha ? FXDIB_Argb : FXDIB_Rgb32);
-        return pBitmap;
+    nonstd::unique_ptr<CFX_DIBitmap> pBitmap(new CFX_DIBitmap);
+    if (!pBitmap->Create(width, height, alpha ? FXDIB_Argb : FXDIB_Rgb32)) {
+        return NULL;
+    }
+    return pBitmap.release();
 }
 
 DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width, int height, int format, void* first_scan, int stride)
 {
         FXDIB_Format fx_format;
         switch (format) {
                 case FPDFBitmap_Gray:
                         fx_format = FXDIB_8bppRgb;
                         break;
                 case FPDFBitmap_BGR:
@@ skipping 324 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;
 }