| // Copyright 2014 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 "../../include/fxedit/fxet_stub.h" |
| #include "../../include/fxedit/fx_edit.h" |
| #include "../../include/fxedit/fxet_edit.h" |
| |
| CFX_ByteString GetPDFWordString(IFX_Edit_FontMap * pFontMap, int32_t nFontIndex, FX_WORD Word, FX_WORD SubWord) |
| { |
| ASSERT (pFontMap != NULL); |
| |
| CFX_ByteString sWord; |
| |
| if (CPDF_Font * pPDFFont = pFontMap->GetPDFFont(nFontIndex)) |
| { |
| if (SubWord > 0) |
| { |
| Word = SubWord; |
| } |
| else |
| { |
| FX_DWORD dwCharCode = -1; |
| |
| if (pPDFFont->IsUnicodeCompatible()) |
| dwCharCode = pPDFFont->CharCodeFromUnicode(Word); |
| else |
| dwCharCode = pFontMap->CharCodeFromUnicode(nFontIndex, Word); |
| |
| if (dwCharCode > 0 ) |
| { |
| pPDFFont->AppendChar(sWord, dwCharCode); |
| return sWord; |
| } |
| } |
| |
| pPDFFont->AppendChar(sWord, Word); |
| } |
| |
| return sWord; |
| } |
| |
| static CFX_ByteString GetWordRenderString(const CFX_ByteString & strWords) |
| { |
| if (strWords.GetLength() > 0) |
| return PDF_EncodeString(strWords) + " Tj\n"; |
| |
| return ""; |
| } |
| |
| static CFX_ByteString GetFontSetString(IFX_Edit_FontMap * pFontMap, int32_t nFontIndex, FX_FLOAT fFontSize) |
| { |
| CFX_ByteTextBuf sRet; |
| |
| if (pFontMap) |
| { |
| CFX_ByteString sFontAlias = pFontMap->GetPDFFontAlias(nFontIndex); |
| |
| if (sFontAlias.GetLength() > 0 && fFontSize > 0 ) |
| sRet << "/" << sFontAlias << " " << fFontSize << " Tf\n"; |
| } |
| |
| return sRet.GetByteString(); |
| } |
| |
| CFX_ByteString IFX_Edit::GetEditAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, |
| const CPVT_WordRange * pRange /* = NULL*/, FX_BOOL bContinuous/* = TRUE*/, FX_WORD SubWord/* = 0*/) |
| { |
| CFX_ByteTextBuf sEditStream, sWords; |
| |
| CPDF_Point ptOld(0.0f,0.0f),ptNew(0.0f,0.0f); |
| int32_t nCurFontIndex = -1; |
| |
| if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) |
| { |
| if (pRange) |
| pIterator->SetAt(pRange->BeginPos); |
| else |
| pIterator->SetAt(0); |
| |
| CPVT_WordPlace oldplace; |
| |
| while (pIterator->NextWord()) |
| { |
| CPVT_WordPlace place = pIterator->GetAt(); |
| |
| if (pRange && place.WordCmp(pRange->EndPos) > 0) break; |
| |
| if (bContinuous) |
| { |
| if (place.LineCmp(oldplace) != 0) |
| { |
| if (sWords.GetSize() > 0) |
| { |
| sEditStream << GetWordRenderString(sWords.GetByteString()); |
| sWords.Clear(); |
| } |
| |
| CPVT_Word word; |
| if (pIterator->GetWord(word)) |
| { |
| ptNew = CPDF_Point(word.ptWord.x + ptOffset.x, word.ptWord.y + ptOffset.y); |
| } |
| else |
| { |
| CPVT_Line line; |
| pIterator->GetLine(line); |
| ptNew = CPDF_Point(line.ptLine.x + ptOffset.x, line.ptLine.y + ptOffset.y); |
| } |
| |
| if (ptNew.x != ptOld.x || ptNew.y != ptOld.y) |
| { |
| sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y << " Td\n"; |
| |
| ptOld = ptNew; |
| } |
| } |
| |
| CPVT_Word word; |
| if (pIterator->GetWord(word)) |
| { |
| if (word.nFontIndex != nCurFontIndex) |
| { |
| if (sWords.GetSize() > 0) |
| { |
| sEditStream << GetWordRenderString(sWords.GetByteString()); |
| sWords.Clear(); |
| } |
| sEditStream << GetFontSetString(pEdit->GetFontMap(),word.nFontIndex,word.fFontSize); |
| nCurFontIndex = word.nFontIndex; |
| } |
| |
| sWords << GetPDFWordString(pEdit->GetFontMap(),nCurFontIndex,word.Word,SubWord); |
| } |
| |
| oldplace = place; |
| } |
| else |
| { |
| CPVT_Word word; |
| if (pIterator->GetWord(word)) |
| { |
| ptNew = CPDF_Point(word.ptWord.x + ptOffset.x, word.ptWord.y + ptOffset.y); |
| |
| if (ptNew.x != ptOld.x || ptNew.y != ptOld.y) |
| { |
| sEditStream << ptNew.x - ptOld.x << " " << ptNew.y - ptOld.y << " Td\n"; |
| ptOld = ptNew; |
| } |
| |
| if (word.nFontIndex != nCurFontIndex) |
| { |
| sEditStream << GetFontSetString(pEdit->GetFontMap(),word.nFontIndex,word.fFontSize); |
| nCurFontIndex = word.nFontIndex; |
| } |
| |
| sEditStream << GetWordRenderString(GetPDFWordString(pEdit->GetFontMap(),nCurFontIndex,word.Word,SubWord)); |
| } |
| } |
| } |
| |
| if (sWords.GetSize() > 0) |
| { |
| sEditStream << GetWordRenderString(sWords.GetByteString()); |
| sWords.Clear(); |
| } |
| } |
| |
| CFX_ByteTextBuf sAppStream; |
| if (sEditStream.GetSize() > 0) |
| { |
| int32_t nHorzScale = pEdit->GetHorzScale(); |
| if (nHorzScale != 100) |
| { |
| sAppStream << nHorzScale << " Tz\n"; |
| } |
| |
| FX_FLOAT fCharSpace = pEdit->GetCharSpace(); |
| if (!FX_EDIT_IsFloatZero(fCharSpace)) |
| { |
| sAppStream << fCharSpace << " Tc\n"; |
| } |
| |
| sAppStream << sEditStream; |
| } |
| |
| return sAppStream.GetByteString(); |
| } |
| |
| CFX_ByteString IFX_Edit::GetSelectAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, |
| const CPVT_WordRange * pRange /*= NULL*/) |
| { |
| CFX_ByteTextBuf sRet; |
| |
| if (pRange && pRange->IsExist()) |
| { |
| if (IFX_Edit_Iterator* pIterator = pEdit->GetIterator()) |
| { |
| pIterator->SetAt(pRange->BeginPos); |
| |
| while (pIterator->NextWord()) |
| { |
| CPVT_WordPlace place = pIterator->GetAt(); |
| |
| if (pRange && place.WordCmp(pRange->EndPos) > 0) break; |
| |
| CPVT_Word word; |
| CPVT_Line line; |
| if (pIterator->GetWord(word) && pIterator->GetLine(line)) |
| { |
| //CPDF_Rect rcWordSel = CPDF_Rect(word.ptWord.x,line.ptLine.y + line.fLineDescent, |
| // word.ptWord.x+word.fWidth,line.ptLine.y + line.fLineAscent); |
| |
| sRet << word.ptWord.x + ptOffset.x << " " << line.ptLine.y + line.fLineDescent |
| << " " << word.fWidth << " " << line.fLineAscent - line.fLineDescent << " re\nf\n"; |
| } |
| } |
| } |
| } |
| |
| return sRet.GetByteString(); |
| } |
| |