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| author | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
|---|---|---|
| committer | John Abd-El-Malek <jabdelmalek@google.com> | 2014-05-17 22:33:34 -0700 |
| commit | 5110c4743751145c4ae1934cd1d83bc6c55bb43f (patch) | |
| tree | b141608096b73163182764c25b895d3df4b2c182 /fpdfsdk/src/fxedit/fxet_ap.cpp | |
| parent | 76b563d2feed92ed328afb1f15e3466a9536b11b (diff) | |
| download | pdfium-5110c4743751145c4ae1934cd1d83bc6c55bb43f.tar.xz | |
Initial commit.
Diffstat (limited to 'fpdfsdk/src/fxedit/fxet_ap.cpp')
| -rw-r--r-- | fpdfsdk/src/fxedit/fxet_ap.cpp | 225 |
1 files changed, 225 insertions, 0 deletions
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();
+}
+
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