fxcrt convergence - XFA side.

core/src/fxge/dib/fx_dib_transform.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/fxge/fx_dib.h"
 #include "dib_int.h"
 
 const int SDP_Table[513] = {
@@ skipping 61 matching lines @@
                                     FX_BOOL bYFlip,
                                     const FX_RECT* pDestClip) const {
   FX_RECT dest_clip(0, 0, m_Height, m_Width);
   if (pDestClip) {
     dest_clip.Intersect(*pDestClip);
   }
   if (dest_clip.IsEmpty()) {
     return NULL;
   }
   CFX_DIBitmap* pTransBitmap = new CFX_DIBitmap;
-  if (!pTransBitmap) {
-    return NULL;
-  }
   int result_height = dest_clip.Height(), result_width = dest_clip.Width();
   if (!pTransBitmap->Create(result_width, result_height, GetFormat())) {
     delete pTransBitmap;
     return NULL;
   }
   pTransBitmap->CopyPalette(m_pPalette);
   int dest_pitch = pTransBitmap->GetPitch();
   uint8_t* dest_buf = pTransBitmap->GetBuffer();
   int row_start = bXFlip ? m_Height - dest_clip.right : dest_clip.left;
   int row_end = bXFlip ? m_Height - dest_clip.left : dest_clip.right;
@@ skipping 322 matching lines @@
   if (m_Storer.GetBitmap() == NULL) {
     return FALSE;
   }
   const uint8_t* stretch_buf = m_Storer.GetBitmap()->GetBuffer();
   const uint8_t* stretch_buf_mask = NULL;
   if (m_Storer.GetBitmap()->m_pAlphaMask) {
     stretch_buf_mask = m_Storer.GetBitmap()->m_pAlphaMask->GetBuffer();
   }
   int stretch_pitch = m_Storer.GetBitmap()->GetPitch();
   CFX_DIBitmap* pTransformed = new CFX_DIBitmap;
-  if (!pTransformed) {
-    return FALSE;
-  }
   FXDIB_Format transformF = _GetTransformedFormat(m_Stretcher.m_pSource);
   if (!pTransformed->Create(m_ResultWidth, m_ResultHeight, transformF)) {
     delete pTransformed;
     return FALSE;
   }
   pTransformed->Clear(0);
   if (pTransformed->m_pAlphaMask) {
     pTransformed->m_pAlphaMask->Clear(0);
   }
   CFX_AffineMatrix result2stretch(1.0f, 0.0f, 0.0f, 1.0f,
@@ skipping 496 matching lines @@
             }
             dest_pos += destBpp;
           }
         }
       }
     }
   }
   m_Storer.Replace(pTransformed);
   return FALSE;
 }