CFX_ByteString CPDF_PageContentGenerator::RealizeResource(
    CPDF_Object* pResourceObj,
    const CFX_ByteString& bsType) {
  if (!m_pPage->m_pResources) {
    m_pPage->m_pResources =
        new CPDF_Dictionary(m_pDocument->GetByteStringPool());
    m_pPage->m_pFormDict->SetReferenceFor(
        "Resources", m_pDocument,
        m_pDocument->AddIndirectObject(m_pPage->m_pResources));
  }
  CPDF_Dictionary* pResList = m_pPage->m_pResources->GetDictFor(bsType);
  if (!pResList) {
    pResList = new CPDF_Dictionary(m_pDocument->GetByteStringPool());
    m_pPage->m_pResources->SetFor(bsType, pResList);
  }
  CFX_ByteString name;
  int idnum = 1;
  while (1) {
    name.Format("FX%c%d", bsType[0], idnum);
    if (!pResList->KeyExist(name)) {
      break;
    }
    idnum++;
  }
  pResList->SetReferenceFor(name, m_pDocument,
                            m_pDocument->AddIndirectObject(pResourceObj));
  return name;
}
Beispiel #2
0
FX_BOOL CPDF_PageOrganizer::PDFDocInit(CPDF_Document* pDestPDFDoc,
                                       CPDF_Document* pSrcPDFDoc) {
  if (!pDestPDFDoc || !pSrcPDFDoc)
    return FALSE;

  CPDF_Dictionary* pNewRoot = pDestPDFDoc->GetRoot();
  if (!pNewRoot)
    return FALSE;

  CPDF_Dictionary* DInfoDict = pDestPDFDoc->GetInfo();
  if (!DInfoDict)
    return FALSE;

  CFX_ByteString producerstr;
  producerstr.Format("PDFium");
  DInfoDict->SetFor("Producer", new CPDF_String(producerstr, FALSE));

  CFX_ByteString cbRootType = pNewRoot->GetStringFor("Type", "");
  if (cbRootType.IsEmpty())
    pNewRoot->SetFor("Type", new CPDF_Name("Catalog"));

  CPDF_Object* pElement = pNewRoot->GetObjectFor("Pages");
  CPDF_Dictionary* pNewPages =
      pElement ? ToDictionary(pElement->GetDirect()) : nullptr;
  if (!pNewPages) {
    pNewPages = new CPDF_Dictionary(pDestPDFDoc->GetByteStringPool());
    pNewRoot->SetReferenceFor("Pages", pDestPDFDoc,
                              pDestPDFDoc->AddIndirectObject(pNewPages));
  }

  CFX_ByteString cbPageType = pNewPages->GetStringFor("Type", "");
  if (cbPageType == "") {
    pNewPages->SetFor("Type", new CPDF_Name("Pages"));
  }

  if (!pNewPages->GetArrayFor("Kids")) {
    pNewPages->SetIntegerFor("Count", 0);
    pNewPages->SetReferenceFor("Kids", pDestPDFDoc,
                               pDestPDFDoc->AddIndirectObject(new CPDF_Array));
  }

  return TRUE;
}
void CPDF_PageContentGenerator::GenerateContent() {
  CFX_ByteTextBuf buf;
  CPDF_Dictionary* pPageDict = m_pPage->m_pFormDict;
  for (int i = 0; i < m_pageObjects.GetSize(); ++i) {
    CPDF_PageObject* pPageObj = m_pageObjects[i];
    if (!pPageObj || !pPageObj->IsImage()) {
      continue;
    }
    ProcessImage(buf, pPageObj->AsImage());
  }
  CPDF_Object* pContent =
      pPageDict ? pPageDict->GetDirectObjectFor("Contents") : nullptr;
  if (pContent)
    pPageDict->RemoveFor("Contents");

  CPDF_Stream* pStream = new CPDF_Stream;
  pStream->SetData(buf.GetBuffer(), buf.GetLength());
  pPageDict->SetReferenceFor("Contents", m_pDocument,
                             m_pDocument->AddIndirectObject(pStream));
}
TEST(cpdf_formfield, FPDF_GetFullName) {
  CFX_WideString name = FPDF_GetFullName(nullptr);
  EXPECT_TRUE(name.IsEmpty());

  CPDF_IndirectObjectHolder obj_holder;
  CPDF_Dictionary* root = new CPDF_Dictionary();
  obj_holder.AddIndirectObject(root);
  root->SetNameFor("T", "foo");
  name = FPDF_GetFullName(root);
  EXPECT_STREQ("foo", name.UTF8Encode().c_str());

  CPDF_Dictionary* dict1 = new CPDF_Dictionary();
  root->SetReferenceFor("Parent", &obj_holder,
                        obj_holder.AddIndirectObject(dict1));
  dict1->SetNameFor("T", "bar");
  name = FPDF_GetFullName(root);
  EXPECT_STREQ("bar.foo", name.UTF8Encode().c_str());

  CPDF_Dictionary* dict2 = new CPDF_Dictionary();
  dict1->SetFor("Parent", dict2);
  name = FPDF_GetFullName(root);
  EXPECT_STREQ("bar.foo", name.UTF8Encode().c_str());

  CPDF_Dictionary* dict3 = new CPDF_Dictionary();
  dict2->SetReferenceFor("Parent", &obj_holder,
                         obj_holder.AddIndirectObject(dict3));
  dict3->SetNameFor("T", "qux");
  name = FPDF_GetFullName(root);
  EXPECT_STREQ("qux.bar.foo", name.UTF8Encode().c_str());

  dict3->SetReferenceFor("Parent", &obj_holder, root->GetObjNum());
  name = FPDF_GetFullName(root);
  EXPECT_STREQ("qux.bar.foo", name.UTF8Encode().c_str());
  name = FPDF_GetFullName(dict1);
  EXPECT_STREQ("foo.qux.bar", name.UTF8Encode().c_str());
  name = FPDF_GetFullName(dict2);
  EXPECT_STREQ("bar.foo.qux", name.UTF8Encode().c_str());
  name = FPDF_GetFullName(dict3);
  EXPECT_STREQ("bar.foo.qux", name.UTF8Encode().c_str());
}
Beispiel #5
0
CPDF_Font* CPDF_Document::AddWindowsFont(LOGFONTA* pLogFont,
                                         FX_BOOL bVert,
                                         FX_BOOL bTranslateName) {
  pLogFont->lfHeight = -1000;
  pLogFont->lfWidth = 0;
  HGDIOBJ hFont = CreateFontIndirectA(pLogFont);
  HDC hDC = CreateCompatibleDC(nullptr);
  hFont = SelectObject(hDC, hFont);
  int tm_size = GetOutlineTextMetrics(hDC, 0, nullptr);
  if (tm_size == 0) {
    hFont = SelectObject(hDC, hFont);
    DeleteObject(hFont);
    DeleteDC(hDC);
    return nullptr;
  }

  LPBYTE tm_buf = FX_Alloc(BYTE, tm_size);
  OUTLINETEXTMETRIC* ptm = reinterpret_cast<OUTLINETEXTMETRIC*>(tm_buf);
  GetOutlineTextMetrics(hDC, tm_size, ptm);
  int flags = CalculateFlags(false, pLogFont->lfItalic != 0,
                             (pLogFont->lfPitchAndFamily & 3) == FIXED_PITCH,
                             (pLogFont->lfPitchAndFamily & 0xf8) == FF_ROMAN,
                             (pLogFont->lfPitchAndFamily & 0xf8) == FF_SCRIPT,
                             pLogFont->lfCharSet == FXFONT_SYMBOL_CHARSET);

  bool bCJK = pLogFont->lfCharSet == FXFONT_CHINESEBIG5_CHARSET ||
              pLogFont->lfCharSet == FXFONT_GB2312_CHARSET ||
              pLogFont->lfCharSet == FXFONT_HANGUL_CHARSET ||
              pLogFont->lfCharSet == FXFONT_SHIFTJIS_CHARSET;
  CFX_ByteString basefont;
  if (bTranslateName && bCJK)
    basefont = FPDF_GetPSNameFromTT(hDC);

  if (basefont.IsEmpty())
    basefont = pLogFont->lfFaceName;

  int italicangle = ptm->otmItalicAngle / 10;
  int ascend = ptm->otmrcFontBox.top;
  int descend = ptm->otmrcFontBox.bottom;
  int capheight = ptm->otmsCapEmHeight;
  int bbox[4] = {ptm->otmrcFontBox.left, ptm->otmrcFontBox.bottom,
                 ptm->otmrcFontBox.right, ptm->otmrcFontBox.top};
  FX_Free(tm_buf);
  basefont.Replace(" ", "");
  CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool);
  pBaseDict->SetNameFor("Type", "Font");
  CPDF_Dictionary* pFontDict = pBaseDict;
  if (!bCJK) {
    if (pLogFont->lfCharSet == FXFONT_ANSI_CHARSET ||
        pLogFont->lfCharSet == FXFONT_DEFAULT_CHARSET ||
        pLogFont->lfCharSet == FXFONT_SYMBOL_CHARSET) {
      pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding");
    } else {
      CalculateEncodingDict(pLogFont->lfCharSet, pBaseDict);
    }
    int char_widths[224];
    GetCharWidth(hDC, 32, 255, char_widths);
    CPDF_Array* pWidths = new CPDF_Array;
    for (size_t i = 0; i < 224; i++)
      pWidths->AddInteger(char_widths[i]);
    ProcessNonbCJK(pBaseDict, pLogFont->lfWeight > FW_MEDIUM,
                   pLogFont->lfItalic != 0, basefont, pWidths);
  } else {
    pFontDict =
        ProcessbCJK(pBaseDict, pLogFont->lfCharSet, bVert, basefont,
                    [&hDC](FX_WCHAR start, FX_WCHAR end, CPDF_Array* widthArr) {
                      InsertWidthArray(hDC, start, end, widthArr);
                    });
  }
  AddIndirectObject(pBaseDict);
  CPDF_Array* pBBox = new CPDF_Array;
  for (int i = 0; i < 4; i++)
    pBBox->AddInteger(bbox[i]);
  CPDF_Dictionary* pFontDesc =
      CalculateFontDesc(this, basefont, flags, italicangle, ascend, descend,
                        pBBox, pLogFont->lfWeight / 5);
  pFontDesc->SetIntegerFor("CapHeight", capheight);
  pFontDict->SetReferenceFor("FontDescriptor", this,
                             AddIndirectObject(pFontDesc));
  hFont = SelectObject(hDC, hFont);
  DeleteObject(hFont);
  DeleteDC(hDC);
  return LoadFont(pBaseDict);
}
Beispiel #6
0
CPDF_Font* CPDF_Document::AddFont(CFX_Font* pFont, int charset, FX_BOOL bVert) {
  if (!pFont)
    return nullptr;

  bool bCJK = charset == FXFONT_CHINESEBIG5_CHARSET ||
              charset == FXFONT_GB2312_CHARSET ||
              charset == FXFONT_HANGUL_CHARSET ||
              charset == FXFONT_SHIFTJIS_CHARSET;
  CFX_ByteString basefont = pFont->GetFamilyName();
  basefont.Replace(" ", "");
  int flags =
      CalculateFlags(pFont->IsBold(), pFont->IsItalic(), pFont->IsFixedWidth(),
                     false, false, charset == FXFONT_SYMBOL_CHARSET);

  CPDF_Dictionary* pBaseDict = new CPDF_Dictionary(m_pByteStringPool);
  pBaseDict->SetNameFor("Type", "Font");
  std::unique_ptr<CFX_UnicodeEncoding> pEncoding(
      new CFX_UnicodeEncoding(pFont));
  CPDF_Dictionary* pFontDict = pBaseDict;
  if (!bCJK) {
    CPDF_Array* pWidths = new CPDF_Array;
    for (int charcode = 32; charcode < 128; charcode++) {
      int glyph_index = pEncoding->GlyphFromCharCode(charcode);
      int char_width = pFont->GetGlyphWidth(glyph_index);
      pWidths->AddInteger(char_width);
    }
    if (charset == FXFONT_ANSI_CHARSET || charset == FXFONT_DEFAULT_CHARSET ||
        charset == FXFONT_SYMBOL_CHARSET) {
      pBaseDict->SetNameFor("Encoding", "WinAnsiEncoding");
      for (int charcode = 128; charcode <= 255; charcode++) {
        int glyph_index = pEncoding->GlyphFromCharCode(charcode);
        int char_width = pFont->GetGlyphWidth(glyph_index);
        pWidths->AddInteger(char_width);
      }
    } else {
      size_t i = CalculateEncodingDict(charset, pBaseDict);
      if (i < FX_ArraySize(g_FX_CharsetUnicodes)) {
        const uint16_t* pUnicodes = g_FX_CharsetUnicodes[i].m_pUnicodes;
        for (int j = 0; j < 128; j++) {
          int glyph_index = pEncoding->GlyphFromCharCode(pUnicodes[j]);
          int char_width = pFont->GetGlyphWidth(glyph_index);
          pWidths->AddInteger(char_width);
        }
      }
    }
    ProcessNonbCJK(pBaseDict, pFont->IsBold(), pFont->IsItalic(), basefont,
                   pWidths);
  } else {
    pFontDict = ProcessbCJK(pBaseDict, charset, bVert, basefont,
                            [pFont, &pEncoding](FX_WCHAR start, FX_WCHAR end,
                                                CPDF_Array* widthArr) {
                              InsertWidthArray1(pFont, pEncoding.get(), start,
                                                end, widthArr);
                            });
  }
  AddIndirectObject(pBaseDict);
  int italicangle =
      pFont->GetSubstFont() ? pFont->GetSubstFont()->m_ItalicAngle : 0;
  FX_RECT bbox;
  pFont->GetBBox(bbox);
  CPDF_Array* pBBox = new CPDF_Array;
  pBBox->AddInteger(bbox.left);
  pBBox->AddInteger(bbox.bottom);
  pBBox->AddInteger(bbox.right);
  pBBox->AddInteger(bbox.top);
  int32_t nStemV = 0;
  if (pFont->GetSubstFont()) {
    nStemV = pFont->GetSubstFont()->m_Weight / 5;
  } else {
    static const FX_CHAR stem_chars[] = {'i', 'I', '!', '1'};
    const size_t count = FX_ArraySize(stem_chars);
    uint32_t glyph = pEncoding->GlyphFromCharCode(stem_chars[0]);
    nStemV = pFont->GetGlyphWidth(glyph);
    for (size_t i = 1; i < count; i++) {
      glyph = pEncoding->GlyphFromCharCode(stem_chars[i]);
      int width = pFont->GetGlyphWidth(glyph);
      if (width > 0 && width < nStemV)
        nStemV = width;
    }
  }
  CPDF_Dictionary* pFontDesc =
      CalculateFontDesc(this, basefont, flags, italicangle, pFont->GetAscent(),
                        pFont->GetDescent(), pBBox, nStemV);
  pFontDict->SetReferenceFor("FontDescriptor", this,
                             AddIndirectObject(pFontDesc));
  return LoadFont(pBaseDict);
}
Beispiel #7
0
DLLEXPORT int STDCALL FPDFPage_Flatten(FPDF_PAGE page, int nFlag) {
  CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
  if (!page) {
    return FLATTEN_FAIL;
  }

  CPDF_Document* pDocument = pPage->m_pDocument;
  CPDF_Dictionary* pPageDict = pPage->m_pFormDict;

  if (!pDocument || !pPageDict) {
    return FLATTEN_FAIL;
  }

  CPDF_ObjectArray ObjectArray;
  CPDF_RectArray RectArray;

  int iRet = FLATTEN_FAIL;
  iRet = ParserAnnots(pDocument, pPageDict, &RectArray, &ObjectArray, nFlag);
  if (iRet == FLATTEN_NOTHINGTODO || iRet == FLATTEN_FAIL)
    return iRet;

  CFX_FloatRect rcOriginalCB;
  CFX_FloatRect rcMerger = CalculateRect(&RectArray);
  CFX_FloatRect rcOriginalMB = pPageDict->GetRectFor("MediaBox");

  if (pPageDict->KeyExist("CropBox"))
    rcOriginalMB = pPageDict->GetRectFor("CropBox");

  if (rcOriginalMB.IsEmpty()) {
    rcOriginalMB = CFX_FloatRect(0.0f, 0.0f, 612.0f, 792.0f);
  }

  rcMerger.left =
      rcMerger.left < rcOriginalMB.left ? rcOriginalMB.left : rcMerger.left;
  rcMerger.right =
      rcMerger.right > rcOriginalMB.right ? rcOriginalMB.right : rcMerger.right;
  rcMerger.top =
      rcMerger.top > rcOriginalMB.top ? rcOriginalMB.top : rcMerger.top;
  rcMerger.bottom = rcMerger.bottom < rcOriginalMB.bottom ? rcOriginalMB.bottom
                                                          : rcMerger.bottom;

  if (pPageDict->KeyExist("ArtBox"))
    rcOriginalCB = pPageDict->GetRectFor("ArtBox");
  else
    rcOriginalCB = rcOriginalMB;

  if (!rcOriginalMB.IsEmpty()) {
    CPDF_Array* pMediaBox = new CPDF_Array();
    pMediaBox->Add(new CPDF_Number(rcOriginalMB.left));
    pMediaBox->Add(new CPDF_Number(rcOriginalMB.bottom));
    pMediaBox->Add(new CPDF_Number(rcOriginalMB.right));
    pMediaBox->Add(new CPDF_Number(rcOriginalMB.top));
    pPageDict->SetFor("MediaBox", pMediaBox);
  }

  if (!rcOriginalCB.IsEmpty()) {
    CPDF_Array* pCropBox = new CPDF_Array();
    pCropBox->Add(new CPDF_Number(rcOriginalCB.left));
    pCropBox->Add(new CPDF_Number(rcOriginalCB.bottom));
    pCropBox->Add(new CPDF_Number(rcOriginalCB.right));
    pCropBox->Add(new CPDF_Number(rcOriginalCB.top));
    pPageDict->SetFor("ArtBox", pCropBox);
  }

  CPDF_Dictionary* pRes = pPageDict->GetDictFor("Resources");
  if (!pRes) {
    pRes = new CPDF_Dictionary(pDocument->GetByteStringPool());
    pPageDict->SetFor("Resources", pRes);
  }

  CPDF_Stream* pNewXObject = new CPDF_Stream(
      nullptr, 0, new CPDF_Dictionary(pDocument->GetByteStringPool()));

  uint32_t dwObjNum = pDocument->AddIndirectObject(pNewXObject);
  CPDF_Dictionary* pPageXObject = pRes->GetDictFor("XObject");
  if (!pPageXObject) {
    pPageXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
    pRes->SetFor("XObject", pPageXObject);
  }

  CFX_ByteString key = "";
  int nStreams = ObjectArray.GetSize();

  if (nStreams > 0) {
    for (int iKey = 0; /*iKey < 100*/; iKey++) {
      char sExtend[5] = {};
      FXSYS_itoa(iKey, sExtend, 10);
      key = CFX_ByteString("FFT") + CFX_ByteString(sExtend);
      if (!pPageXObject->KeyExist(key))
        break;
    }
  }

  SetPageContents(key, pPageDict, pDocument);

  CPDF_Dictionary* pNewXORes = nullptr;

  if (!key.IsEmpty()) {
    pPageXObject->SetReferenceFor(key, pDocument, dwObjNum);
    CPDF_Dictionary* pNewOXbjectDic = pNewXObject->GetDict();
    pNewXORes = new CPDF_Dictionary(pDocument->GetByteStringPool());
    pNewOXbjectDic->SetFor("Resources", pNewXORes);
    pNewOXbjectDic->SetNameFor("Type", "XObject");
    pNewOXbjectDic->SetNameFor("Subtype", "Form");
    pNewOXbjectDic->SetIntegerFor("FormType", 1);
    pNewOXbjectDic->SetNameFor("Name", "FRM");
    CFX_FloatRect rcBBox = pPageDict->GetRectFor("ArtBox");
    pNewOXbjectDic->SetRectFor("BBox", rcBBox);
  }

  for (int i = 0; i < nStreams; i++) {
    CPDF_Dictionary* pAnnotDic = ObjectArray.GetAt(i);
    if (!pAnnotDic)
      continue;

    CFX_FloatRect rcAnnot = pAnnotDic->GetRectFor("Rect");
    rcAnnot.Normalize();

    CFX_ByteString sAnnotState = pAnnotDic->GetStringFor("AS");
    CPDF_Dictionary* pAnnotAP = pAnnotDic->GetDictFor("AP");
    if (!pAnnotAP)
      continue;

    CPDF_Stream* pAPStream = pAnnotAP->GetStreamFor("N");
    if (!pAPStream) {
      CPDF_Dictionary* pAPDic = pAnnotAP->GetDictFor("N");
      if (!pAPDic)
        continue;

      if (!sAnnotState.IsEmpty()) {
        pAPStream = pAPDic->GetStreamFor(sAnnotState);
      } else {
        auto it = pAPDic->begin();
        if (it != pAPDic->end()) {
          CPDF_Object* pFirstObj = it->second;
          if (pFirstObj) {
            if (pFirstObj->IsReference())
              pFirstObj = pFirstObj->GetDirect();
            if (!pFirstObj->IsStream())
              continue;
            pAPStream = pFirstObj->AsStream();
          }
        }
      }
    }
    if (!pAPStream)
      continue;

    CPDF_Dictionary* pAPDic = pAPStream->GetDict();
    CFX_Matrix matrix = pAPDic->GetMatrixFor("Matrix");

    CFX_FloatRect rcStream;
    if (pAPDic->KeyExist("Rect"))
      rcStream = pAPDic->GetRectFor("Rect");
    else if (pAPDic->KeyExist("BBox"))
      rcStream = pAPDic->GetRectFor("BBox");

    if (rcStream.IsEmpty())
      continue;

    CPDF_Object* pObj = pAPStream;

    if (pObj) {
      CPDF_Dictionary* pObjDic = pObj->GetDict();
      if (pObjDic) {
        pObjDic->SetNameFor("Type", "XObject");
        pObjDic->SetNameFor("Subtype", "Form");
      }
    }

    CPDF_Dictionary* pXObject = pNewXORes->GetDictFor("XObject");
    if (!pXObject) {
      pXObject = new CPDF_Dictionary(pDocument->GetByteStringPool());
      pNewXORes->SetFor("XObject", pXObject);
    }

    CFX_ByteString sFormName;
    sFormName.Format("F%d", i);
    pXObject->SetReferenceFor(sFormName, pDocument,
                              pDocument->AddIndirectObject(pObj));

    CPDF_StreamAcc acc;
    acc.LoadAllData(pNewXObject);

    const uint8_t* pData = acc.GetData();
    CFX_ByteString sStream(pData, acc.GetSize());

    if (matrix.IsIdentity()) {
      matrix.a = 1.0f;
      matrix.b = 0.0f;
      matrix.c = 0.0f;
      matrix.d = 1.0f;
      matrix.e = 0.0f;
      matrix.f = 0.0f;
    }

    CFX_ByteString sTemp;
    CFX_Matrix m = GetMatrix(rcAnnot, rcStream, matrix);
    sTemp.Format("q %f 0 0 %f %f %f cm /%s Do Q\n", m.a, m.d, m.e, m.f,
                 sFormName.c_str());
    sStream += sTemp;
    pNewXObject->SetData(sStream.raw_str(), sStream.GetLength());
  }
  pPageDict->RemoveFor("Annots");

  ObjectArray.RemoveAll();
  RectArray.RemoveAll();

  return FLATTEN_SUCCESS;
}