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; |
+} |