Make CPDF_TextStateData private to CPDF_TextState.

core/fpdfapi/fpdf_page/include/cpdf_textstatedata.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 CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTSTATEDATA_H_
-#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTSTATEDATA_H_
-
-#include "core/fxcrt/include/fx_system.h"
-
-class CPDF_Font;
-class CPDF_Document;
-
-// See PDF Reference 1.7, page 402, table 5.3.
-enum class TextRenderingMode {
-  MODE_FILL = 0,
-  MODE_STROKE = 1,
-  MODE_FILL_STROKE = 2,
-  MODE_INVISIBLE = 3,
-  MODE_FILL_CLIP = 4,
-  MODE_STROKE_CLIP = 5,
-  MODE_FILL_STROKE_CLIP = 6,
-  MODE_CLIP = 7,
-};
-
-bool SetTextRenderingModeFromInt(int iMode, TextRenderingMode* mode);
-bool TextRenderingModeIsClipMode(const TextRenderingMode& mode);
-bool TextRenderingModeIsStrokeMode(const TextRenderingMode& mode);
-
-class CPDF_TextStateData {
- public:
-  CPDF_TextStateData();
-  CPDF_TextStateData(const CPDF_TextStateData& src);
-  ~CPDF_TextStateData();
-
-  void SetFont(CPDF_Font* pFont);
-  FX_FLOAT GetFontSizeV() const;
-  FX_FLOAT GetFontSizeH() const;
-  FX_FLOAT GetBaselineAngle() const;
-  FX_FLOAT GetShearAngle() const;
-
-  CPDF_Font* m_pFont;
-  CPDF_Document* m_pDocument;
-  FX_FLOAT m_FontSize;
-  FX_FLOAT m_CharSpace;
-  FX_FLOAT m_WordSpace;
-  TextRenderingMode m_TextMode;
-  FX_FLOAT m_Matrix[4];
-  FX_FLOAT m_CTM[4];
-};
-
-#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTSTATEDATA_H_