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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "xfa/fde/tto/fde_textout.h" | 7 #include "xfa/fde/tto/fde_textout.h" |
8 | 8 |
9 #include <algorithm> | 9 #include <algorithm> |
10 | 10 |
11 #include "core/fxcrt/include/fx_coordinates.h" | 11 #include "core/fxcrt/include/fx_coordinates.h" |
12 #include "core/fxcrt/include/fx_system.h" | 12 #include "core/fxcrt/include/fx_system.h" |
13 #include "xfa/fde/fde_brush.h" | |
14 #include "xfa/fde/fde_object.h" | 13 #include "xfa/fde/fde_object.h" |
15 #include "xfa/fde/fde_pen.h" | |
16 #include "xfa/fde/fde_renderdevice.h" | 14 #include "xfa/fde/fde_renderdevice.h" |
17 #include "xfa/fgas/crt/fgas_memory.h" | 15 #include "xfa/fgas/crt/fgas_memory.h" |
18 #include "xfa/fgas/crt/fgas_utils.h" | 16 #include "xfa/fgas/crt/fgas_utils.h" |
19 #include "xfa/fgas/layout/fgas_textbreak.h" | 17 #include "xfa/fgas/layout/fgas_textbreak.h" |
20 | 18 |
21 namespace { | 19 namespace { |
22 | 20 |
23 struct FDE_TTOPIECE { | 21 struct FDE_TTOPIECE { |
24 public: | 22 public: |
25 int32_t iStartChar; | 23 int32_t iStartChar; |
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138 void AppendPiece(const FDE_TTOPIECE& ttoPiece, | 136 void AppendPiece(const FDE_TTOPIECE& ttoPiece, |
139 FX_BOOL bNeedReload, | 137 FX_BOOL bNeedReload, |
140 FX_BOOL bEnd); | 138 FX_BOOL bEnd); |
141 void ReplaceWidthEllipsis(); | 139 void ReplaceWidthEllipsis(); |
142 void DoAlignment(const CFX_RectF& rect); | 140 void DoAlignment(const CFX_RectF& rect); |
143 void OnDraw(const CFX_RectF& rtClip); | 141 void OnDraw(const CFX_RectF& rtClip); |
144 int32_t GetDisplayPos(FDE_LPTTOPIECE pPiece); | 142 int32_t GetDisplayPos(FDE_LPTTOPIECE pPiece); |
145 int32_t GetCharRects(FDE_LPTTOPIECE pPiece); | 143 int32_t GetCharRects(FDE_LPTTOPIECE pPiece); |
146 | 144 |
147 void ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr); | 145 void ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr); |
148 void DrawLine(const FDE_LPTTOPIECE pPiece, IFDE_Pen*& pPen); | 146 void DrawLine(const FDE_LPTTOPIECE pPiece, CFDE_Pen*& pPen); |
149 | 147 |
150 IFX_TxtBreak* m_pTxtBreak; | 148 IFX_TxtBreak* m_pTxtBreak; |
151 IFX_Font* m_pFont; | 149 IFX_Font* m_pFont; |
152 FX_FLOAT m_fFontSize; | 150 FX_FLOAT m_fFontSize; |
153 FX_FLOAT m_fLineSpace; | 151 FX_FLOAT m_fLineSpace; |
154 FX_FLOAT m_fLinePos; | 152 FX_FLOAT m_fLinePos; |
155 FX_FLOAT m_fTolerance; | 153 FX_FLOAT m_fTolerance; |
156 int32_t m_iAlignment; | 154 int32_t m_iAlignment; |
157 int32_t m_iTxtBkAlignment; | 155 int32_t m_iTxtBkAlignment; |
158 int32_t* m_pCharWidths; | 156 int32_t* m_pCharWidths; |
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944 } | 942 } |
945 } | 943 } |
946 void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) { | 944 void CFDE_TextOut::OnDraw(const CFX_RectF& rtClip) { |
947 if (m_pRenderDevice == NULL) { | 945 if (m_pRenderDevice == NULL) { |
948 return; | 946 return; |
949 } | 947 } |
950 int32_t iLines = m_ttoLines.GetSize(); | 948 int32_t iLines = m_ttoLines.GetSize(); |
951 if (iLines < 1) { | 949 if (iLines < 1) { |
952 return; | 950 return; |
953 } | 951 } |
954 IFDE_SolidBrush* pBrush = new CFDE_SolidBrush; | 952 CFDE_Brush* pBrush = new CFDE_Brush; |
955 pBrush->SetColor(m_TxtColor); | 953 pBrush->SetColor(m_TxtColor); |
956 IFDE_Pen* pPen = NULL; | 954 CFDE_Pen* pPen = NULL; |
957 FDE_HDEVICESTATE hDev = m_pRenderDevice->SaveState(); | 955 FDE_HDEVICESTATE hDev = m_pRenderDevice->SaveState(); |
958 if (rtClip.Width() > 0.0f && rtClip.Height() > 0.0f) { | 956 if (rtClip.Width() > 0.0f && rtClip.Height() > 0.0f) { |
959 m_pRenderDevice->SetClipRect(rtClip); | 957 m_pRenderDevice->SetClipRect(rtClip); |
960 } | 958 } |
961 for (int32_t i = 0; i < iLines; i++) { | 959 for (int32_t i = 0; i < iLines; i++) { |
962 CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i); | 960 CFDE_TTOLine* pLine = m_ttoLines.GetPtrAt(i); |
963 int32_t iPieces = pLine->GetSize(); | 961 int32_t iPieces = pLine->GetSize(); |
964 for (int32_t j = 0; j < iPieces; j++) { | 962 for (int32_t j = 0; j < iPieces; j++) { |
965 FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j); | 963 FDE_LPTTOPIECE pPiece = pLine->GetPtrAt(j); |
966 if (pPiece == NULL) { | 964 if (pPiece == NULL) { |
967 continue; | 965 continue; |
968 } | 966 } |
969 int32_t iCount = GetDisplayPos(pPiece); | 967 int32_t iCount = GetDisplayPos(pPiece); |
970 if (iCount > 0) { | 968 if (iCount > 0) { |
971 m_pRenderDevice->DrawString(pBrush, m_pFont, m_pCharPos, iCount, | 969 m_pRenderDevice->DrawString(pBrush, m_pFont, m_pCharPos, iCount, |
972 m_fFontSize, &m_Matrix); | 970 m_fFontSize, &m_Matrix); |
973 } | 971 } |
974 DrawLine(pPiece, pPen); | 972 DrawLine(pPiece, pPen); |
975 } | 973 } |
976 } | 974 } |
977 m_pRenderDevice->RestoreState(hDev); | 975 m_pRenderDevice->RestoreState(hDev); |
978 if (pBrush) { | 976 delete pBrush; |
979 pBrush->Release(); | 977 delete pPen; |
980 } | |
981 if (pPen) { | |
982 pPen->Release(); | |
983 } | |
984 } | 978 } |
985 int32_t CFDE_TextOut::GetDisplayPos(FDE_LPTTOPIECE pPiece) { | 979 int32_t CFDE_TextOut::GetDisplayPos(FDE_LPTTOPIECE pPiece) { |
986 FX_TXTRUN tr; | 980 FX_TXTRUN tr; |
987 ToTextRun(pPiece, tr); | 981 ToTextRun(pPiece, tr); |
988 ExpandBuffer(tr.iLength, 2); | 982 ExpandBuffer(tr.iLength, 2); |
989 return m_pTxtBreak->GetDisplayPos(&tr, m_pCharPos); | 983 return m_pTxtBreak->GetDisplayPos(&tr, m_pCharPos); |
990 } | 984 } |
991 int32_t CFDE_TextOut::GetCharRects(FDE_LPTTOPIECE pPiece) { | 985 int32_t CFDE_TextOut::GetCharRects(FDE_LPTTOPIECE pPiece) { |
992 FX_TXTRUN tr; | 986 FX_TXTRUN tr; |
993 ToTextRun(pPiece, tr); | 987 ToTextRun(pPiece, tr); |
994 m_rectArray.RemoveAll(); | 988 m_rectArray.RemoveAll(); |
995 return m_pTxtBreak->GetCharRects(&tr, m_rectArray); | 989 return m_pTxtBreak->GetCharRects(&tr, m_rectArray); |
996 } | 990 } |
997 void CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr) { | 991 void CFDE_TextOut::ToTextRun(const FDE_LPTTOPIECE pPiece, FX_TXTRUN& tr) { |
998 tr.pAccess = NULL; | 992 tr.pAccess = NULL; |
999 tr.pIdentity = NULL; | 993 tr.pIdentity = NULL; |
1000 tr.pStr = (const FX_WCHAR*)m_wsText + pPiece->iStartChar; | 994 tr.pStr = (const FX_WCHAR*)m_wsText + pPiece->iStartChar; |
1001 tr.pWidths = m_pCharWidths + pPiece->iStartChar; | 995 tr.pWidths = m_pCharWidths + pPiece->iStartChar; |
1002 tr.iLength = pPiece->iChars; | 996 tr.iLength = pPiece->iChars; |
1003 tr.pFont = m_pFont; | 997 tr.pFont = m_pFont; |
1004 tr.fFontSize = m_fFontSize; | 998 tr.fFontSize = m_fFontSize; |
1005 tr.dwStyles = m_dwTxtBkStyles; | 999 tr.dwStyles = m_dwTxtBkStyles; |
1006 tr.iCharRotation = 0; | 1000 tr.iCharRotation = 0; |
1007 tr.dwCharStyles = pPiece->dwCharStyles; | 1001 tr.dwCharStyles = pPiece->dwCharStyles; |
1008 tr.wLineBreakChar = m_wParagraphBkChar; | 1002 tr.wLineBreakChar = m_wParagraphBkChar; |
1009 tr.pRect = &pPiece->rtPiece; | 1003 tr.pRect = &pPiece->rtPiece; |
1010 } | 1004 } |
1011 void CFDE_TextOut::DrawLine(const FDE_LPTTOPIECE pPiece, IFDE_Pen*& pPen) { | 1005 void CFDE_TextOut::DrawLine(const FDE_LPTTOPIECE pPiece, CFDE_Pen*& pPen) { |
1012 FX_BOOL bUnderLine = !!(m_dwStyles & FDE_TTOSTYLE_Underline); | 1006 FX_BOOL bUnderLine = !!(m_dwStyles & FDE_TTOSTYLE_Underline); |
1013 FX_BOOL bStrikeOut = !!(m_dwStyles & FDE_TTOSTYLE_Strikeout); | 1007 FX_BOOL bStrikeOut = !!(m_dwStyles & FDE_TTOSTYLE_Strikeout); |
1014 FX_BOOL bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); | 1008 FX_BOOL bHotKey = !!(m_dwStyles & FDE_TTOSTYLE_HotKey); |
1015 FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); | 1009 FX_BOOL bVertical = !!(m_dwStyles & FDE_TTOSTYLE_VerticalLayout); |
1016 if (!bUnderLine && !bStrikeOut && !bHotKey) { | 1010 if (!bUnderLine && !bStrikeOut && !bHotKey) { |
1017 return; | 1011 return; |
1018 } | 1012 } |
1019 if (pPen == NULL) { | 1013 if (pPen == NULL) { |
1020 pPen = new CFDE_Pen; | 1014 pPen = new CFDE_Pen; |
1021 pPen->SetColor(m_TxtColor); | 1015 pPen->SetColor(m_TxtColor); |
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1111 return NULL; | 1105 return NULL; |
1112 } | 1106 } |
1113 return m_pieces.GetPtrAt(index); | 1107 return m_pieces.GetPtrAt(index); |
1114 } | 1108 } |
1115 void CFDE_TTOLine::RemoveLast(int32_t iCount) { | 1109 void CFDE_TTOLine::RemoveLast(int32_t iCount) { |
1116 m_pieces.RemoveLast(iCount); | 1110 m_pieces.RemoveLast(iCount); |
1117 } | 1111 } |
1118 void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory) { | 1112 void CFDE_TTOLine::RemoveAll(FX_BOOL bLeaveMemory) { |
1119 m_pieces.RemoveAll(bLeaveMemory); | 1113 m_pieces.RemoveAll(bLeaveMemory); |
1120 } | 1114 } |
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