Get rid of NULLs in core/

core/fxge/ge/fx_ge_ps.cpp

Index: core/fxge/ge/fx_ge_ps.cpp
diff --git a/core/fxge/ge/fx_ge_ps.cpp b/core/fxge/ge/fx_ge_ps.cpp
index b112cf363047b8f69172965cc4c1adb755da7364..4bbb7ebe642e399062a6b74a3b2079f56f5280f3 100644
--- a/core/fxge/ge/fx_ge_ps.cpp
+++ b/core/fxge/ge/fx_ge_ps.cpp
@@ -21,7 +21,7 @@ class CPSFont {
   int m_nGlyphs;
 };
 CFX_PSRenderer::CFX_PSRenderer() {
-  m_pOutput = NULL;
+  m_pOutput = nullptr;
   m_bColorSet = m_bGraphStateSet = FALSE;
   m_bInited = FALSE;
 }
@@ -170,7 +170,7 @@ void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData,
         << pObject2Device->e << " " << pObject2Device->f << "]cm ";
     m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
   }
-  OutputPath(pPathData, NULL);
+  OutputPath(pPathData, nullptr);
   CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
                                                  pGraphState->m_MiterLimit);
   rect.Transform(pObject2Device);
@@ -215,7 +215,7 @@ FX_BOOL CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData,
       m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
     }
   }
-  OutputPath(pPathData, stroke_alpha ? NULL : pObject2Device);
+  OutputPath(pPathData, stroke_alpha ? nullptr : pObject2Device);
   if (fill_mode && fill_alpha) {
     SetColor(fill_color, alpha_flag, pIccTransform);
     if ((fill_mode & 3) == FXFILL_WINDING) {
@@ -305,7 +305,7 @@ static void PSCompressData(int PSLevel,
     return;
   }
   CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
-  uint8_t* dest_buf = NULL;
+  uint8_t* dest_buf = nullptr;
   uint32_t dest_size = src_size;
   if (PSLevel >= 3) {
     if (pEncoders &&
@@ -324,7 +324,7 @@ static void PSCompressData(int PSLevel,
     output_buf = dest_buf;
     output_size = dest_size;
   } else {
-    filter = NULL;
+    filter = nullptr;
     FX_Free(dest_buf);
   }
 }
@@ -416,7 +416,7 @@ FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
     CFX_DIBSource* pConverted = (CFX_DIBSource*)pSource;
     if (pIccTransform) {
       FXDIB_Format format = m_bCmykOutput ? FXDIB_Cmyk : FXDIB_Rgb;
-      pConverted = pSource->CloneConvert(format, NULL, pIccTransform);
+      pConverted = pSource->CloneConvert(format, nullptr, pIccTransform);
     } else {
       switch (pSource->GetFormat()) {
         case FXDIB_1bppRgb:
@@ -445,9 +445,9 @@ FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
       return FALSE;
     }
     int Bpp = pConverted->GetBPP() / 8;
-    uint8_t* output_buf = NULL;
+    uint8_t* output_buf = nullptr;
     FX_STRSIZE output_size = 0;
-    const FX_CHAR* filter = NULL;
+    const FX_CHAR* filter = nullptr;
     if (flags & FXRENDER_IMAGE_LOSSY) {
       CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
       if (pEncoders &&
@@ -486,7 +486,7 @@ FX_BOOL CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
     }
     if (pConverted != pSource) {
       delete pConverted;
-      pConverted = NULL;
+      pConverted = nullptr;
     }
     buf << " 8[";
     buf << width << " 0 0 -" << height << " 0 " << height << "]";
@@ -508,7 +508,7 @@ void CFX_PSRenderer::SetColor(uint32_t color,
                               void* pIccTransform) {
   if (!CFX_GEModule::Get()->GetCodecModule() ||
       !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
-    pIccTransform = NULL;
+    pIccTransform = nullptr;
   }
   FX_BOOL bCMYK = FALSE;
   if (pIccTransform) {