Remove foo != NULL checks in xfa/src/fxbarcode.

xfa/src/fxbarcode/oned/BC_OneDimWriter.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
 // Original code is licensed as follows:
 /*
  * Copyright 2011 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 27 matching lines @@
   m_fFontSize = 10;
   ;
   m_iFontStyle = 0;
   m_fontColor = 0xff000000;
   m_iContentLen = 0;
   m_bLeftPadding = FALSE;
   m_bRightPadding = FALSE;
   m_output = NULL;
 }
 CBC_OneDimWriter::~CBC_OneDimWriter() {
-  if (m_output != NULL) {
-    delete m_output;
-    m_output = NULL;
-  }
+  delete m_output;
 }
 void CBC_OneDimWriter::SetPrintChecksum(FX_BOOL checksum) {
   m_bPrintChecksum = checksum;
 }
 void CBC_OneDimWriter::SetDataLength(int32_t length) {
   m_iDataLenth = length;
 }
 void CBC_OneDimWriter::SetCalcChecksum(int32_t state) {
   m_bCalcChecksum = state;
 }
@@ skipping 129 matching lines @@
   CFX_FloatRect rect((FX_FLOAT)locX, (FX_FLOAT)locY, (FX_FLOAT)(locX + geWidth),
                      (FX_FLOAT)(locY + iTextHeight));
   if (geWidth != m_Width) {
     rect.right -= 1;
   }
   matrix->TransformRect(rect);
   FX_RECT re = rect.GetOutterRect();
   device->FillRect(&re, m_backgroundColor);
   CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, (FX_FLOAT)locX,
                            (FX_FLOAT)(locY + iFontSize));
-  if (matrix != NULL) {
+  if (matrix) {
     affine_matrix.Concat(*matrix);
   }
   device->DrawNormalText(str.GetLength(), pCharPos, m_pFont,
                          CFX_GEModule::Get()->GetFontCache(),
                          (FX_FLOAT)iFontSize, (CFX_Matrix*)&affine_matrix,
                          m_fontColor, FXTEXT_CLEARTYPE);
 }
 void CBC_OneDimWriter::ShowBitmapChars(CFX_DIBitmap* pOutBitmap,
                                        const CFX_ByteString str,
                                        FX_FLOAT geWidth,
@@ skipping 67 matching lines @@
       locY = m_Height - iTextHeight;
       geWidth = charsLen;
       break;
     case BC_TEXT_LOC_BELOW:
     default:
       locX = 0;
       locY = m_Height - iTextHeight;
       geWidth = (FX_FLOAT)barWidth;
       break;
   }
-  if (device != NULL) {
+  if (device) {
     ShowDeviceChars(device, matrix, str, geWidth, pCharPos, (FX_FLOAT)locX,
                     (FX_FLOAT)locY, barWidth);
   } else {
     ShowBitmapChars(pOutBitmap, str, geWidth, pCharPos, (FX_FLOAT)locX,
                     (FX_FLOAT)locY, barWidth);
   }
   FX_Free(pCharPos);
 }
 void CBC_OneDimWriter::RenderBitmapResult(CFX_DIBitmap*& pOutBitmap,
                                           const CFX_WideStringC& contents,
@@ skipping 133 matching lines @@
       if (outputX + m_multiple > outputWidth && outputWidth - outputX > 0) {
         m_output->SetRegion(outputX, 0, outputWidth - outputX, outputHeight, e);
         break;
       }
       m_output->SetRegion(outputX, 0, m_multiple, outputHeight, e);
       BC_EXCEPTION_CHECK_ReturnVoid(e);
     }
     outputX += m_multiple;
   }
 }