Get rid of NULLs in core/

core/fpdfapi/fpdf_render/fpdf_render_text.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/fpdfapi/fpdf_render/render_int.h"
 
 #include <vector>
 
@@ skipping 310 matching lines @@
         textobj->m_GraphState, fill_argb, stroke_argb, pClippingPath, flag);
   }
   text_matrix.Concat(*pObj2Device);
   return CPDF_TextRenderer::DrawNormalText(
       m_pDevice, textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos,
       pFont, font_size, &text_matrix, fill_argb, &m_Options);
 }
 
 CPDF_Type3Cache* CPDF_RenderStatus::GetCachedType3(CPDF_Type3Font* pFont) {
   if (!pFont->m_pDocument) {
-    return NULL;
+    return nullptr;
   }
   pFont->m_pDocument->GetPageData()->GetFont(pFont->GetFontDict(), FALSE);
   return pFont->m_pDocument->GetRenderData()->GetCachedType3(pFont);
 }
 static void ReleaseCachedType3(CPDF_Type3Font* pFont) {
   if (!pFont->m_pDocument) {
     return;
   }
   pFont->m_pDocument->GetRenderData()->ReleaseCachedType3(pFont);
   pFont->m_pDocument->GetPageData()->ReleaseFont(pFont->GetFontDict());
@@ skipping 66 matching lines @@
                                 glyph.m_OriginX + glyph.m_pGlyph->m_Left,
                                 glyph.m_OriginY - glyph.m_pGlyph->m_Top,
                                 fill_argb);
         }
         glyphs.clear();
       }
       CPDF_GraphicStates* pStates = CloneObjStates(textobj, FALSE);
       CPDF_RenderOptions Options = m_Options;
       Options.m_Flags |= RENDER_FORCE_HALFTONE | RENDER_RECT_AA;
       Options.m_Flags &= ~RENDER_FORCE_DOWNSAMPLE;
-      CPDF_Dictionary* pFormResource = NULL;
+      CPDF_Dictionary* pFormResource = nullptr;
       if (pType3Char->m_pForm && pType3Char->m_pForm->m_pFormDict) {
         pFormResource =
             pType3Char->m_pForm->m_pFormDict->GetDictBy("Resources");
       }
       if (fill_alpha == 255) {
         CPDF_RenderStatus status;
-        status.Initialize(m_pContext, m_pDevice, NULL, NULL, this, pStates,
-                          &Options, pType3Char->m_pForm->m_Transparency,
-                          m_bDropObjects, pFormResource, FALSE, pType3Char,
-                          fill_argb);
+        status.Initialize(m_pContext, m_pDevice, nullptr, nullptr, this,
+                          pStates, &Options,
+                          pType3Char->m_pForm->m_Transparency, m_bDropObjects,
+                          pFormResource, FALSE, pType3Char, fill_argb);
         status.m_Type3FontCache.Append(m_Type3FontCache);
         status.m_Type3FontCache.Add(pType3Font);
         m_pDevice->SaveState();
         status.RenderObjectList(pType3Char->m_pForm.get(), &matrix);
         m_pDevice->RestoreState(false);
       } else {
         CFX_FloatRect rect_f = pType3Char->m_pForm->CalcBoundingBox();
         rect_f.Transform(&matrix);
         FX_RECT rect = rect_f.GetOutterRect();
         CFX_FxgeDevice bitmap_device;
         if (!bitmap_device.Create((int)(rect.Width() * sa),
                                   (int)(rect.Height() * sd), FXDIB_Argb,
                                   nullptr)) {
           return TRUE;
         }
         bitmap_device.GetBitmap()->Clear(0);
         CPDF_RenderStatus status;
-        status.Initialize(m_pContext, &bitmap_device, NULL, NULL, this, pStates,
-                          &Options, pType3Char->m_pForm->m_Transparency,
-                          m_bDropObjects, pFormResource, FALSE, pType3Char,
-                          fill_argb);
+        status.Initialize(m_pContext, &bitmap_device, nullptr, nullptr, this,
+                          pStates, &Options,
+                          pType3Char->m_pForm->m_Transparency, m_bDropObjects,
+                          pFormResource, FALSE, pType3Char, fill_argb);
         status.m_Type3FontCache.Append(m_Type3FontCache);
         status.m_Type3FontCache.Add(pType3Font);
         matrix.TranslateI(-rect.left, -rect.top);
         matrix.Scale(sa, sd);
         status.RenderObjectList(pType3Char->m_pForm.get(), &matrix);
         m_pDevice->SetDIBits(bitmap_device.GetBitmap(), rect.left, rect.top);
       }
       delete pStates;
     } else if (pType3Char->m_pBitmap) {
       if (device_class == FXDC_DISPLAY) {
@@ skipping 60 matching lines @@
   void Load(int nChars,
             uint32_t* pCharCodes,
             FX_FLOAT* pCharPos,
             CPDF_Font* pFont,
             FX_FLOAT font_size);
   FXTEXT_CHARPOS* m_pCharPos;
   uint32_t m_nChars;
 };
 
 CPDF_CharPosList::CPDF_CharPosList() {
-  m_pCharPos = NULL;
+  m_pCharPos = nullptr;
 }
 
 CPDF_CharPosList::~CPDF_CharPosList() {
   FX_Free(m_pCharPos);
 }
 
 void CPDF_CharPosList::Load(int nChars,
                             uint32_t* pCharCodes,
                             FX_FLOAT* pCharPos,
                             CPDF_Font* pFont,
@@ skipping 93 matching lines @@
   if (nChars == 0) {
     return;
   }
   uint32_t charcode;
   int offset = 0;
   uint32_t* pCharCodes;
   FX_FLOAT* pCharPos;
   if (nChars == 1) {
     charcode = pFont->GetNextChar(str.c_str(), str.GetLength(), offset);
     pCharCodes = (uint32_t*)(uintptr_t)charcode;
-    pCharPos = NULL;
+    pCharPos = nullptr;
   } else {
     pCharCodes = FX_Alloc(uint32_t, nChars);
     pCharPos = FX_Alloc(FX_FLOAT, nChars - 1);
     FX_FLOAT cur_pos = 0;
     for (int i = 0; i < nChars; i++) {
       pCharCodes[i] = pFont->GetNextChar(str.c_str(), str.GetLength(), offset);
       if (i) {
         pCharPos[i - 1] = cur_pos;
       }
       cur_pos += pFont->GetCharWidthF(pCharCodes[i]) * font_size / 1000;
@@ skipping 28 matching lines @@
                                           int nChars,
                                           uint32_t* pCharCodes,
                                           FX_FLOAT* pCharPos,
                                           CPDF_Font* pFont,
                                           FX_FLOAT font_size,
                                           const CFX_Matrix* pText2Device,
                                           FX_ARGB fill_argb,
                                           const CPDF_RenderOptions* pOptions) {
   CFX_FontCache* pCache =
       pFont->m_pDocument ? pFont->m_pDocument->GetRenderData()->GetFontCache()
-                         : NULL;
+                         : nullptr;
   CPDF_CharPosList CharPosList;
   CharPosList.Load(nChars, pCharCodes, pCharPos, pFont, font_size);
   int FXGE_flags = 0;
   if (pOptions) {
     uint32_t dwFlags = pOptions->m_Flags;
     if (dwFlags & RENDER_CLEARTYPE) {
       FXGE_flags |= FXTEXT_CLEARTYPE;
       if (dwFlags & RENDER_BGR_STRIPE) {
         FXGE_flags |= FXTEXT_BGR_STRIPE;
       }
@@ skipping 73 matching lines @@
     matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX,
                   charpos.m_OriginY);
     path.m_Path.New()->Append(pPath, &matrix);
     path.m_Matrix = *pTextMatrix;
     path.m_bStroke = bStroke;
     path.m_FillType = bFill ? FXFILL_WINDING : 0;
     path.CalcBoundingBox();
     ProcessPath(&path, pObj2Device);
   }
 }