| Index: core/fpdfapi/fpdf_page/cpdf_textstate.cpp | 
| diff --git a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..47e21168369141dc5d0edcd0dc71696c13b4be3a | 
| --- /dev/null | 
| +++ b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp | 
| @@ -0,0 +1,47 @@ | 
| +// 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_font/include/cpdf_font.h" | 
| +#include "core/fpdfapi/fpdf_page/cpdf_textstate.h" | 
| +#include "core/fpdfapi/fpdf_page/pageint.h" | 
| +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" | 
| + | 
| +void CPDF_TextState::SetFont(CPDF_Font* pFont) { | 
| +  MakePrivateCopy(); | 
| +  CPDF_TextStateData* pStateData = GetObject(); | 
| +  CPDF_Document* pDoc = pStateData->m_pDocument; | 
| +  CPDF_DocPageData* pPageData = pDoc ? pDoc->GetPageData() : nullptr; | 
| +  if (pPageData && pStateData->m_pFont && !pPageData->IsForceClear()) | 
| +    pPageData->ReleaseFont(pStateData->m_pFont->GetFontDict()); | 
| + | 
| +  pStateData->m_pDocument = pFont ? pFont->m_pDocument : nullptr; | 
| +  pStateData->m_pFont = pFont; | 
| +} | 
| + | 
| +FX_FLOAT CPDF_TextState::GetFontSizeV() const { | 
| +  const FX_FLOAT* pMatrix = GetMatrix(); | 
| +  FX_FLOAT unit = FXSYS_sqrt2(pMatrix[1], pMatrix[3]); | 
| +  FX_FLOAT size = unit * GetFontSize(); | 
| +  return (FX_FLOAT)FXSYS_fabs(size); | 
| +} | 
| + | 
| +FX_FLOAT CPDF_TextState::GetFontSizeH() const { | 
| +  const FX_FLOAT* pMatrix = GetMatrix(); | 
| +  FX_FLOAT unit = FXSYS_sqrt2(pMatrix[0], pMatrix[2]); | 
| +  FX_FLOAT size = unit * GetFontSize(); | 
| +  return (FX_FLOAT)FXSYS_fabs(size); | 
| +} | 
| + | 
| +FX_FLOAT CPDF_TextState::GetBaselineAngle() const { | 
| +  const FX_FLOAT* m_Matrix = GetMatrix(); | 
| +  return FXSYS_atan2(m_Matrix[2], m_Matrix[0]); | 
| +} | 
| + | 
| +FX_FLOAT CPDF_TextState::GetShearAngle() const { | 
| +  const FX_FLOAT* m_Matrix = GetMatrix(); | 
| +  FX_FLOAT shear_angle = FXSYS_atan2(m_Matrix[1], m_Matrix[3]); | 
| +  return GetBaselineAngle() + shear_angle; | 
| +} | 
|  |