Make CPDF_TextStateData private to CPDF_TextState.

core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp

-// 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
-
-#include "core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h"
-
-#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
-#include "core/fpdfapi/fpdf_page/pageint.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-
-bool SetTextRenderingModeFromInt(int iMode, TextRenderingMode* mode) {
-  if (iMode < 0 || iMode > 7)
-    return false;
-  *mode = static_cast<TextRenderingMode>(iMode);
-  return true;
-}
-
-bool TextRenderingModeIsClipMode(const TextRenderingMode& mode) {
-  switch (mode) {
-    case TextRenderingMode::MODE_FILL_CLIP:
-    case TextRenderingMode::MODE_STROKE_CLIP:
-    case TextRenderingMode::MODE_FILL_STROKE_CLIP:
-    case TextRenderingMode::MODE_CLIP:
-      return true;
-    default:
-      return false;
-  }
-}
-
-bool TextRenderingModeIsStrokeMode(const TextRenderingMode& mode) {
-  switch (mode) {
-    case TextRenderingMode::MODE_STROKE:
-    case TextRenderingMode::MODE_FILL_STROKE:
-    case TextRenderingMode::MODE_STROKE_CLIP:
-    case TextRenderingMode::MODE_FILL_STROKE_CLIP:
-      return true;
-    default:
-      return false;
-  }
-}
-
-CPDF_TextStateData::CPDF_TextStateData()
-    : m_pFont(nullptr),
-      m_pDocument(nullptr),
-      m_FontSize(1.0f),
-      m_CharSpace(0),
-      m_WordSpace(0),
-      m_TextMode(TextRenderingMode::MODE_FILL) {
-  m_Matrix[0] = m_Matrix[3] = 1.0f;
-  m_Matrix[1] = m_Matrix[2] = 0;
-  m_CTM[0] = m_CTM[3] = 1.0f;
-  m_CTM[1] = m_CTM[2] = 0;
-}
-
-CPDF_TextStateData::CPDF_TextStateData(const CPDF_TextStateData& src) {
-  if (this == &src)
-    return;
-
-  FXSYS_memcpy(this, &src, sizeof(CPDF_TextStateData));
-  if (m_pDocument && m_pFont) {
-    m_pFont =
-        m_pDocument->GetPageData()->GetFont(m_pFont->GetFontDict(), FALSE);
-  }
-}
-
-CPDF_TextStateData::~CPDF_TextStateData() {
-  if (m_pDocument && m_pFont) {
-    CPDF_DocPageData* pPageData = m_pDocument->GetPageData();
-    if (pPageData && !pPageData->IsForceClear())
-      pPageData->ReleaseFont(m_pFont->GetFontDict());
-  }
-}
-
-void CPDF_TextStateData::SetFont(CPDF_Font* pFont) {
-  CPDF_Document* pDoc = m_pDocument;
-  CPDF_DocPageData* pPageData = pDoc ? pDoc->GetPageData() : nullptr;
-  if (pPageData && m_pFont && !pPageData->IsForceClear())
-    pPageData->ReleaseFont(m_pFont->GetFontDict());
-
-  m_pDocument = pFont ? pFont->m_pDocument : nullptr;
-  m_pFont = pFont;
-}
-
-FX_FLOAT CPDF_TextStateData::GetFontSizeV() const {
-  return FXSYS_fabs(FXSYS_sqrt2(m_Matrix[1], m_Matrix[3]) * m_FontSize);
-}
-
-FX_FLOAT CPDF_TextStateData::GetFontSizeH() const {
-  return FXSYS_fabs(FXSYS_sqrt2(m_Matrix[0], m_Matrix[2]) * m_FontSize);
-}
-
-FX_FLOAT CPDF_TextStateData::GetBaselineAngle() const {
-  return FXSYS_atan2(m_Matrix[2], m_Matrix[0]);
-}
-
-FX_FLOAT CPDF_TextStateData::GetShearAngle() const {
-  return GetBaselineAngle() + FXSYS_atan2(m_Matrix[1], m_Matrix[3]);
-}