From 5110c4743751145c4ae1934cd1d83bc6c55bb43f Mon Sep 17 00:00:00 2001 From: John Abd-El-Malek Date: Sat, 17 May 2014 22:33:34 -0700 Subject: Initial commit. --- fpdfsdk/src/fxedit/fxet_ap.cpp | 225 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 225 insertions(+) create mode 100644 fpdfsdk/src/fxedit/fxet_ap.cpp (limited to 'fpdfsdk/src/fxedit/fxet_ap.cpp') diff --git a/fpdfsdk/src/fxedit/fxet_ap.cpp b/fpdfsdk/src/fxedit/fxet_ap.cpp new file mode 100644 index 0000000000..9730d37a45 --- /dev/null +++ b/fpdfsdk/src/fxedit/fxet_ap.cpp @@ -0,0 +1,225 @@ +// 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, FX_INT32 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, FX_INT32 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); + FX_INT32 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) + { + FX_INT32 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(); +} + -- cgit v1.2.3