Get rid of NULLs in xfa/

xfa/fwl/basewidget/fxmath_barcodeimp.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 "xfa/fwl/basewidget/fxmath_barcodeimp.h"
 
 #include "xfa/fxbarcode/cbc_codabar.h"
 #include "xfa/fxbarcode/cbc_code128.h"
@@ skipping 26 matching lines @@
     case BC_EAN13:
       return new CBC_EAN13();
     case BC_QR_CODE:
       return new CBC_QRCode();
     case BC_PDF417:
       return new CBC_PDF417I();
     case BC_DATAMATRIX:
       return new CBC_DataMatrix();
     case BC_UNKNOWN:
     default:
-      return NULL;
+      return nullptr;
   }
 }
 
 CFX_Barcode::CFX_Barcode() {}
 
 CFX_Barcode::~CFX_Barcode() {
   delete m_pBCEngine;
 }
 
 FX_BOOL CFX_Barcode::Create(BC_TYPE type) {
   m_pBCEngine = FX_Barcode_CreateBarCodeEngineObject(type);
-  return m_pBCEngine != NULL;
+  return !!m_pBCEngine;
 }
 BC_TYPE CFX_Barcode::GetType() {
   return m_pBCEngine ? m_pBCEngine->GetType() : BC_UNKNOWN;
 }
 FX_BOOL CFX_Barcode::SetCharEncoding(BC_CHAR_ENCODING encoding) {
   return m_pBCEngine ? m_pBCEngine->SetCharEncoding(encoding) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetModuleHeight(int32_t moduleHeight) {
   return m_pBCEngine ? m_pBCEngine->SetModuleHeight(moduleHeight) : FALSE;
 }
@@ skipping 144 matching lines @@
       return m_pBCEngine
                  ? (static_cast<CBC_OneCode*>(m_pBCEngine)->SetFontColor(color),
                     TRUE)
                  : FALSE;
     default:
       return FALSE;
   }
 }
 FX_BOOL CFX_Barcode::SetTextLocation(BC_TEXT_LOC location) {
   typedef FX_BOOL (CBC_CodeBase::*memptrtype)(BC_TEXT_LOC);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_CODE39:
       memptr = (memptrtype)&CBC_Code39::SetTextLocation;
       break;
     case BC_CODABAR:
       memptr = (memptrtype)&CBC_Codabar::SetTextLocation;
       break;
     case BC_CODE128:
     case BC_CODE128_B:
     case BC_CODE128_C:
       memptr = (memptrtype)&CBC_Code128::SetTextLocation;
       break;
     default:
       break;
   }
   return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(location) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetWideNarrowRatio(int32_t ratio) {
   typedef FX_BOOL (CBC_CodeBase::*memptrtype)(int32_t);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_CODE39:
       memptr = (memptrtype)&CBC_Code39::SetWideNarrowRatio;
       break;
     case BC_CODABAR:
       memptr = (memptrtype)&CBC_Codabar::SetWideNarrowRatio;
       break;
     default:
       break;
   }
   return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(ratio) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetStartChar(FX_CHAR start) {
   typedef FX_BOOL (CBC_CodeBase::*memptrtype)(FX_CHAR);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_CODABAR:
       memptr = (memptrtype)&CBC_Codabar::SetStartChar;
       break;
     default:
       break;
   }
   return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(start) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetEndChar(FX_CHAR end) {
   typedef FX_BOOL (CBC_CodeBase::*memptrtype)(FX_CHAR);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_CODABAR:
       memptr = (memptrtype)&CBC_Codabar::SetEndChar;
       break;
     default:
       break;
   }
   return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(end) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetVersion(int32_t version) {
   typedef FX_BOOL (CBC_CodeBase::*memptrtype)(int32_t);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_QR_CODE:
       memptr = (memptrtype)&CBC_QRCode::SetVersion;
       break;
     default:
       break;
   }
   return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(version) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetErrorCorrectionLevel(int32_t level) {
   typedef FX_BOOL (CBC_CodeBase::*memptrtype)(int32_t);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_QR_CODE:
       memptr = (memptrtype)&CBC_QRCode::SetErrorCorrectionLevel;
       break;
     case BC_PDF417:
       memptr = (memptrtype)&CBC_PDF417I::SetErrorCorrectionLevel;
       break;
     default:
       return FALSE;
   }
   return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(level) : FALSE;
 }
 FX_BOOL CFX_Barcode::SetTruncated(FX_BOOL truncated) {
   typedef void (CBC_CodeBase::*memptrtype)(FX_BOOL);
-  memptrtype memptr = NULL;
+  memptrtype memptr = nullptr;
   switch (GetType()) {
     case BC_PDF417:
       memptr = (memptrtype)&CBC_PDF417I::SetTruncated;
       break;
     default:
       break;
   }
   return m_pBCEngine && memptr ? ((m_pBCEngine->*memptr)(truncated), TRUE)
                                : FALSE;
 }
@@ skipping 47 matching lines @@
       continue;
     }
     CFX_WideString ret = pTmpEngine->Decode(pBitmap, errorCode);
     if (errorCode == BCExceptionNO) {
       return ret;
     }
   }
   errorCode = BCExceptionUnSupportedBarcode;
   return CFX_WideString();
 }