diff options
Diffstat (limited to 'core/fpdfapi/fpdf_page/cpdf_textstate.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_page/cpdf_textstate.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp new file mode 100644 index 0000000000..f56d58ed0a --- /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_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) { + CPDF_TextStateData* pStateData = GetModify(); + if (pStateData) { + CPDF_Document* pDoc = pStateData->m_pDocument; + CPDF_DocPageData* pPageData = pDoc ? pDoc->GetPageData() : NULL; + if (pPageData && pStateData->m_pFont && !pPageData->IsForceClear()) { + pPageData->ReleaseFont(pStateData->m_pFont->GetFontDict()); + } + pStateData->m_pDocument = pFont ? pFont->m_pDocument : NULL; + pStateData->m_pFont = pFont; + } +} + +FX_FLOAT CPDF_TextState::GetFontSizeV() 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 { + 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 { + FX_FLOAT* m_Matrix = GetMatrix(); + return FXSYS_atan2(m_Matrix[2], m_Matrix[0]); +} + +FX_FLOAT CPDF_TextState::GetShearAngle() const { + FX_FLOAT* m_Matrix = GetMatrix(); + FX_FLOAT shear_angle = FXSYS_atan2(m_Matrix[1], m_Matrix[3]); + return GetBaselineAngle() + shear_angle; +} |