Rename _CPDF_UniqueKeyGen to CPDF_UniqueKeyGen

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 "core/fpdfapi/fpdf_font/cpdf_cidfont.h"
 #include "core/fpdfapi/fpdf_font/cpdf_type3char.h"
 #include "core/fpdfapi/fpdf_font/cpdf_type3font.h"
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h"
 #include "core/include/fxge/fx_ge.h"
 
+namespace {
+
+struct CPDF_UniqueKeyGen {
+  void Generate(int count, ...);
+  FX_CHAR m_Key[128];
+  int m_KeyLen;
+};
+
+void CPDF_UniqueKeyGen::Generate(int count, ...) {
+  va_list argList;
+  va_start(argList, count);
+  for (int i = 0; i < count; i++) {
+    int p = va_arg(argList, int);
+    ((uint32_t*)m_Key)[i] = p;
+  }
+  va_end(argList);
+  m_KeyLen = count * sizeof(uint32_t);
+}
+
+}  // namespace
+
 CPDF_Type3Cache::~CPDF_Type3Cache() {
   for (const auto& pair : m_SizeMap) {
     delete pair.second;
   }
   m_SizeMap.clear();
 }
 CFX_GlyphBitmap* CPDF_Type3Cache::LoadGlyph(uint32_t charcode,
                                             const CFX_Matrix* pMatrix,
                                             FX_FLOAT retinaScaleX,
                                             FX_FLOAT retinaScaleY) {
-  _CPDF_UniqueKeyGen keygen;
+  CPDF_UniqueKeyGen keygen;
   keygen.Generate(
       4, FXSYS_round(pMatrix->a * 10000), FXSYS_round(pMatrix->b * 10000),
       FXSYS_round(pMatrix->c * 10000), FXSYS_round(pMatrix->d * 10000));
   CFX_ByteStringC FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
   CPDF_Type3Glyphs* pSizeCache;
   auto it = m_SizeMap.find(FaceGlyphsKey);
   if (it == m_SizeMap.end()) {
     pSizeCache = new CPDF_Type3Glyphs;
     m_SizeMap[FaceGlyphsKey] = pSizeCache;
   } else {
@@ skipping 133 matching lines @@
   if (!pResBitmap) {
     return NULL;
   }
   CFX_GlyphBitmap* pGlyph = new CFX_GlyphBitmap;
   pGlyph->m_Left = left;
   pGlyph->m_Top = -top;
   pGlyph->m_Bitmap.TakeOver(pResBitmap);
   delete pResBitmap;
   return pGlyph;
 }
-void _CPDF_UniqueKeyGen::Generate(int count, ...) {
-  va_list argList;
-  va_start(argList, count);
-  for (int i = 0; i < count; i++) {
-    int p = va_arg(argList, int);
-    ((uint32_t*)m_Key)[i] = p;
-  }
-  va_end(argList);
-  m_KeyLen = count * sizeof(uint32_t);
-}
+
 FX_BOOL CPDF_RenderStatus::ProcessText(const CPDF_TextObject* textobj,
                                        const CFX_Matrix* pObj2Device,
                                        CFX_PathData* pClippingPath) {
   if (textobj->m_nChars == 0) {
     return TRUE;
   }
   int text_render_mode = textobj->m_TextState.GetObject()->m_TextMode;
   if (text_render_mode == 3) {
     return TRUE;
   }
@@ skipping 557 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);
   }
 }