Remove NULL in xfa/

xfa/fxgraphics/include/cfx_graphics.h

 // Copyright 2016 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
 
 #ifndef XFA_FXGRAPHICS_INCLUDE_CFX_GRAPHICS_H_
 #define XFA_FXGRAPHICS_INCLUDE_CFX_GRAPHICS_H_
 
 #include "core/fxcrt/include/fx_system.h"
@@ skipping 124 matching lines @@
   FWL_Error SetStrokeAlignment(FX_StrokeAlignment strokeAlignment);
   FWL_Error SetStrokeColor(CFX_Color* color);
   FWL_Error SetFillColor(CFX_Color* color);
   FWL_Error SetClipRect(const CFX_RectF& rect);
   FWL_Error SetFont(CFX_Font* font);
   FWL_Error SetFontSize(const FX_FLOAT size);
   FWL_Error SetFontHScale(const FX_FLOAT scale);
   FWL_Error SetCharSpacing(const FX_FLOAT spacing);
   FWL_Error SetTextDrawingMode(const int32_t mode);
 
-  FWL_Error StrokePath(CFX_Path* path, CFX_Matrix* matrix = NULL);
+  FWL_Error StrokePath(CFX_Path* path, CFX_Matrix* matrix = nullptr);
   FWL_Error FillPath(CFX_Path* path,
                      FX_FillMode fillMode = FXFILL_WINDING,
-                     CFX_Matrix* matrix = NULL);
+                     CFX_Matrix* matrix = nullptr);
   FWL_Error ClipPath(CFX_Path* path,
                      FX_FillMode fillMode = FXFILL_WINDING,
-                     CFX_Matrix* matrix = NULL);
+                     CFX_Matrix* matrix = nullptr);
   FWL_Error DrawImage(CFX_DIBSource* source,
                       const CFX_PointF& point,
-                      CFX_Matrix* matrix = NULL);
+                      CFX_Matrix* matrix = nullptr);
   FWL_Error StretchImage(CFX_DIBSource* source,
                          const CFX_RectF& rect,
-                         CFX_Matrix* matrix = NULL);
+                         CFX_Matrix* matrix = nullptr);
   FWL_Error ConcatMatrix(const CFX_Matrix* matrix);
   FWL_Error ClearClip();
   FWL_Error ShowText(const CFX_PointF& point,
                      const CFX_WideString& text,
-                     CFX_Matrix* matrix = NULL);
+                     CFX_Matrix* matrix = nullptr);
   FWL_Error CalcTextRect(CFX_RectF& rect,
                          const CFX_WideString& text,
                          FX_BOOL isMultiline = FALSE,
-                         CFX_Matrix* matrix = NULL);
+                         CFX_Matrix* matrix = nullptr);
   FWL_Error Transfer(CFX_Graphics* graphics, const CFX_Matrix* matrix);
   FWL_Error Transfer(CFX_Graphics* graphics,
                      FX_FLOAT srcLeft,
                      FX_FLOAT srcTop,
                      const CFX_RectF& dstRect,
                      const CFX_Matrix* matrix);
 
   FWL_Error InverseRect(const CFX_RectF& rect);
   FWL_Error XorDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect);
   FWL_Error EqvDIBitmap(const CFX_DIBitmap* srcBitmap, const CFX_RectF& rect);
@@ skipping 51 matching lines @@
                          FXTEXT_CHARPOS* charPos,
                          CFX_RectF& rect);
 
   CFX_RenderDevice* m_renderDevice;
   CFX_ArrayTemplate<TInfo*> m_infoStack;
   CAGG_Graphics* m_aggGraphics;
   friend class CAGG_Graphics;
 };
 
 #endif  // XFA_FXGRAPHICS_INCLUDE_CFX_GRAPHICS_H_