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      1 // Copyright 2016 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #include "xfa/fde/cfde_txtedttextset.h"
      8 
      9 #include "xfa/fde/cfde_txtedtengine.h"
     10 #include "xfa/fde/cfde_txtedtpage.h"
     11 #include "xfa/fgas/font/cfgas_gefont.h"
     12 
     13 CFDE_TxtEdtTextSet::CFDE_TxtEdtTextSet(CFDE_TxtEdtPage* pPage)
     14     : m_pPage(pPage) {}
     15 
     16 CFDE_TxtEdtTextSet::~CFDE_TxtEdtTextSet() {}
     17 
     18 FDE_VISUALOBJTYPE CFDE_TxtEdtTextSet::GetType() {
     19   return FDE_VISUALOBJ_Text;
     20 }
     21 
     22 CFX_RectF CFDE_TxtEdtTextSet::GetRect(const FDE_TEXTEDITPIECE& pPiece) {
     23   return pPiece.rtPiece;
     24 }
     25 
     26 int32_t CFDE_TxtEdtTextSet::GetString(FDE_TEXTEDITPIECE* pPiece,
     27                                       CFX_WideString& wsText) {
     28   FX_WCHAR* pBuffer = wsText.GetBuffer(pPiece->nCount);
     29   for (int32_t i = 0; i < pPiece->nCount; i++)
     30     pBuffer[i] = m_pPage->GetChar(pPiece, i);
     31 
     32   wsText.ReleaseBuffer(pPiece->nCount);
     33   return pPiece->nCount;
     34 }
     35 
     36 CFX_RetainPtr<CFGAS_GEFont> CFDE_TxtEdtTextSet::GetFont() {
     37   return m_pPage->GetEngine()->GetEditParams()->pFont;
     38 }
     39 
     40 FX_FLOAT CFDE_TxtEdtTextSet::GetFontSize() {
     41   return m_pPage->GetEngine()->GetEditParams()->fFontSize;
     42 }
     43 
     44 FX_ARGB CFDE_TxtEdtTextSet::GetFontColor() {
     45   return m_pPage->GetEngine()->GetEditParams()->dwFontColor;
     46 }
     47 
     48 int32_t CFDE_TxtEdtTextSet::GetDisplayPos(const FDE_TEXTEDITPIECE& piece,
     49                                           FXTEXT_CHARPOS* pCharPos,
     50                                           bool bCharCode,
     51                                           CFX_WideString* pWSForms) {
     52   int32_t nLength = piece.nCount;
     53   if (nLength < 1)
     54     return 0;
     55 
     56   CFDE_TxtEdtEngine* pEngine =
     57       static_cast<CFDE_TxtEdtEngine*>(m_pPage->GetEngine());
     58   const FDE_TXTEDTPARAMS* pTextParams = pEngine->GetEditParams();
     59   CFX_TxtBreak* pBreak = pEngine->GetTextBreak();
     60   uint32_t dwLayoutStyle = pBreak->GetLayoutStyles();
     61   FX_TXTRUN tr;
     62   tr.pAccess = m_pPage;
     63   tr.pIdentity = &piece;
     64   tr.iLength = nLength;
     65   tr.pFont = pTextParams->pFont;
     66   tr.fFontSize = pTextParams->fFontSize;
     67   tr.dwStyles = dwLayoutStyle;
     68   tr.iCharRotation = pTextParams->nCharRotation;
     69   tr.dwCharStyles = piece.dwCharStyles;
     70   tr.pRect = &piece.rtPiece;
     71   tr.wLineBreakChar = pTextParams->wLineBreakChar;
     72   return pBreak->GetDisplayPos(&tr, pCharPos, bCharCode, pWSForms);
     73 }
     74 
     75 std::vector<CFX_RectF> CFDE_TxtEdtTextSet::GetCharRects(
     76     const FDE_TEXTEDITPIECE* pPiece,
     77     bool bBBox) {
     78   if (!pPiece || pPiece->nCount < 1)
     79     return std::vector<CFX_RectF>();
     80 
     81   auto pEngine = static_cast<CFDE_TxtEdtEngine*>(m_pPage->GetEngine());
     82   const FDE_TXTEDTPARAMS* pTextParams = pEngine->GetEditParams();
     83   uint32_t dwLayoutStyle = pEngine->GetTextBreak()->GetLayoutStyles();
     84   FX_TXTRUN tr;
     85   tr.pAccess = m_pPage;
     86   tr.pIdentity = pPiece;
     87   tr.iLength = pPiece->nCount;
     88   tr.pFont = pTextParams->pFont;
     89   tr.fFontSize = pTextParams->fFontSize;
     90   tr.dwStyles = dwLayoutStyle;
     91   tr.iCharRotation = pTextParams->nCharRotation;
     92   tr.dwCharStyles = pPiece->dwCharStyles;
     93   tr.pRect = &pPiece->rtPiece;
     94   tr.wLineBreakChar = pTextParams->wLineBreakChar;
     95   return pEngine->GetTextBreak()->GetCharRects(&tr, bBBox);
     96 }
     97