| 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;
|
| +}
|
|
|