Get rid of NULLs in core/

core/fxge/apple/apple_int.h

 // 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
 
 #ifndef CORE_FXGE_APPLE_APPLE_INT_H_
 #define CORE_FXGE_APPLE_APPLE_INT_H_
 
 #include "core/fxcrt/include/fx_system.h"
@@ skipping 48 matching lines @@
   void* CreateFont(const uint8_t* pFontData, uint32_t dwFontSize);
   void DestroyFont(void* pFont);
   void setGraphicsTextMatrix(void* graphics, CFX_Matrix* matrix);
   FX_BOOL drawGraphicsString(void* graphics,
                              void* font,
                              FX_FLOAT fontSize,
                              uint16_t* glyphIndices,
                              CGPoint* glyphPositions,
                              int32_t chars,
                              FX_ARGB argb,
-                             CFX_Matrix* matrix = NULL);
+                             CFX_Matrix* matrix = nullptr);
   void saveGraphicsState(void* graphics);
   void restoreGraphicsState(void* graphics);
 };
 
 class CApplePlatform {
  public:
   CApplePlatform() {}
   ~CApplePlatform() {}
 
   CQuartz2D m_quartz2d;
@@ skipping 18 matching lines @@
   FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData,
                              const CFX_Matrix* pObject2Device,
                              const CFX_GraphStateData* pGraphState) override;
   FX_BOOL DrawPath(const CFX_PathData* pPathData,
                    const CFX_Matrix* pObject2Device,
                    const CFX_GraphStateData* pGraphState,
                    uint32_t fill_color,
                    uint32_t stroke_color,
                    int fill_mode,
                    int alpha_flag = 0,
-                   void* pIccTransform = NULL,
+                   void* pIccTransform = nullptr,
                    int blend_type = FXDIB_BLEND_NORMAL) override;
   FX_BOOL SetPixel(int x,
                    int y,
                    uint32_t color,
                    int alpha_flag = 0,
-                   void* pIccTransform = NULL) override {
+                   void* pIccTransform = nullptr) override {
     return FALSE;
   }
   FX_BOOL FillRect(const FX_RECT* pRect,
                    uint32_t fill_color,
                    int alpha_flag = 0,
-                   void* pIccTransform = NULL,
+                   void* pIccTransform = nullptr,
                    int blend_type = FXDIB_BLEND_NORMAL) override;
   FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
                            FX_FLOAT y1,
                            FX_FLOAT x2,
                            FX_FLOAT y2,
                            uint32_t color,
                            int alpha_flag = 0,
-                           void* pIccTransform = NULL,
+                           void* pIccTransform = nullptr,
                            int blend_type = FXDIB_BLEND_NORMAL) override;
   FX_BOOL GetClipBox(FX_RECT* pRect) override;
   FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap,
                     int left,
                     int top,
-                    void* pIccTransform = NULL,
+                    void* pIccTransform = nullptr,
                     FX_BOOL bDEdge = FALSE) override;
-  CFX_DIBitmap* GetBackDrop() override { return NULL; }
+  CFX_DIBitmap* GetBackDrop() override { return nullptr; }
   FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap,
                     uint32_t color,
                     const FX_RECT* pSrcRect,
                     int dest_left,
                     int dest_top,
                     int blend_type,
                     int alpha_flag = 0,
-                    void* pIccTransform = NULL) override;
+                    void* pIccTransform = nullptr) override;
   FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
                         uint32_t color,
                         int dest_left,
                         int dest_top,
                         int dest_width,
                         int dest_height,
                         const FX_RECT* pClipRect,
                         uint32_t flags,
                         int alpha_flag = 0,
-                        void* pIccTransform = NULL,
+                        void* pIccTransform = nullptr,
                         int blend_type = FXDIB_BLEND_NORMAL) override;
   FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
                       int bitmap_alpha,
                       uint32_t color,
                       const CFX_Matrix* pMatrix,
                       uint32_t flags,
                       void*& handle,
                       int alpha_flag = 0,
-                      void* pIccTransform = NULL,
+                      void* pIccTransform = nullptr,
                       int blend_type = FXDIB_BLEND_NORMAL) override {
     return FALSE;
   }
   FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause) override {
     return FALSE;
   }
   void CancelDIBits(void* handle) override {}
   FX_BOOL DrawDeviceText(int nChars,
                          const FXTEXT_CHARPOS* pCharPos,
                          CFX_Font* pFont,
                          CFX_FontCache* pCache,
                          const CFX_Matrix* pObject2Device,
                          FX_FLOAT font_size,
                          uint32_t color,
                          int alpha_flag = 0,
-                         void* pIccTransform = NULL) override;
-  void* GetPlatformSurface() const override { return NULL; }
+                         void* pIccTransform = nullptr) override;
+  void* GetPlatformSurface() const override { return nullptr; }
   void ClearDriver() override;
 
  protected:
   void setStrokeInfo(const CFX_GraphStateData* graphState,
                      FX_ARGB argb,
                      FX_FLOAT lineWidth);
   void setFillInfo(FX_ARGB argb);
   void setPathToContext(const CFX_PathData* pathData);
   FX_FLOAT getLineWidth(const CFX_GraphStateData* graphState,
                         CGAffineTransform ctm);
   FX_BOOL CG_DrawGlypRun(int nChars,
                          const FXTEXT_CHARPOS* pCharPos,
                          CFX_Font* pFont,
                          CFX_FontCache* pCache,
                          const CFX_Matrix* pGlyphMatrix,
                          const CFX_Matrix* pObject2Device,
                          FX_FLOAT font_size,
                          uint32_t argb,
                          int alpha_flag,
                          void* pIccTransform);
   void CG_SetImageTransform(int dest_left,
                             int dest_top,
                             int dest_width,
                             int dest_height,
-                            CGRect* rect = NULL);
+                            CGRect* rect = nullptr);
 
   CGContextRef m_context;
   CGAffineTransform m_foxitDevice2User;
   CGAffineTransform m_user2FoxitDevice;
   int32_t m_saveCount;
 
   int32_t m_width;
   int32_t m_height;
   int32_t m_bitsPerPixel;
   int32_t m_deviceClass;
   int32_t m_renderCaps;
   int32_t m_horzSize;
   int32_t m_vertSize;
 };
 
 uint32_t FX_GetHashCode(const FX_CHAR* pStr);
 uint32_t FX_IOSGetMatchFamilyNameHashcode(const FX_CHAR* pFontName);
 uint32_t FX_IOSGetFamilyNamesCount();
 const FX_CHAR* FX_IOSGetFamilyName(uint32_t uIndex);
 #endif
 
 #endif  // CORE_FXGE_APPLE_APPLE_INT_H_