Get rid of most instance of 'foo == NULL'

core/src/fxge/ge/fx_ge_font.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 "core/include/fxge/fx_freetype.h"
 #include "core/include/fxge/fx_ge.h"
 #include "text_int.h"
 
@@ skipping 208 matching lines @@
   return FXFT_Is_Face_Bold(m_Face) == FXFT_STYLE_FLAG_BOLD;
 }
 
 FX_BOOL CFX_Font::IsFixedWidth() const {
   if (!m_Face)
     return FALSE;
   return FXFT_Is_Face_fixedwidth(m_Face);
 }
 
 CFX_WideString CFX_Font::GetPsName() const {
-  if (m_Face == NULL) {
+  if (!m_Face) {
     return CFX_WideString();
   }
   CFX_WideString psName =
       CFX_WideString::FromLocal(FXFT_Get_Postscript_Name(m_Face));
   if (psName.IsEmpty()) {
     psName = CFX_WideString::FromLocal("Untitled");
   }
   return psName;
 }
 CFX_ByteString CFX_Font::GetFamilyName() const {
-  if (m_Face == NULL && m_pSubstFont == NULL) {
+  if (!m_Face && !m_pSubstFont) {
     return CFX_ByteString();
   }
   if (m_Face) {
     return CFX_ByteString(FXFT_Get_Face_Family_Name(m_Face));
   }
   return m_pSubstFont->m_Family;
 }
 CFX_ByteString CFX_Font::GetFaceName() const {
-  if (m_Face == NULL && m_pSubstFont == NULL) {
+  if (!m_Face && !m_pSubstFont) {
     return CFX_ByteString();
   }
   if (m_Face) {
     CFX_ByteString facename;
     CFX_ByteString style = CFX_ByteString(FXFT_Get_Face_Style_Name(m_Face));
     facename = GetFamilyName();
     if (facename.IsEmpty()) {
       facename = "Untitled";
     }
     if (!style.IsEmpty() && style != "Regular") {
       facename += " " + style;
     }
     return facename;
   }
   return m_pSubstFont->m_Family;
 }
 FX_BOOL CFX_Font::GetBBox(FX_RECT& bbox) {
-  if (m_Face == NULL) {
+  if (!m_Face) {
     return FALSE;
   }
   int em = FXFT_Get_Face_UnitsPerEM(m_Face);
   if (em == 0) {
     bbox.left = FXFT_Get_Face_xMin(m_Face);
     bbox.bottom = FXFT_Get_Face_yMax(m_Face);
     bbox.top = FXFT_Get_Face_yMin(m_Face);
     bbox.right = FXFT_Get_Face_xMax(m_Face);
   } else {
     bbox.left = FXFT_Get_Face_xMin(m_Face) * 1000 / em;
@@ skipping 52 matching lines @@
 
   if (m_pFont->GetSubstFont() && m_pFont->GetSubstFont()->m_Charset == 2) {
     FX_DWORD index = 0;
     if (FXFT_Select_Charmap(face, FXFT_ENCODING_MS_SYMBOL) == 0)
       index = FXFT_Get_Char_Index(face, charcode);
     if (!index && !FXFT_Select_Charmap(face, FXFT_ENCODING_APPLE_ROMAN))
       return FXFT_Get_Char_Index(face, charcode);
   }
   return charcode;
 }