int Distance(Coon_Color& o) {
   int max, diff;
   max = FXSYS_abs(comp[0] - o.comp[0]);
   diff = FXSYS_abs(comp[1] - o.comp[1]);
   if (max < diff) {
     max = diff;
   }
   diff = FXSYS_abs(comp[2] - o.comp[2]);
   if (max < diff) {
     max = diff;
   }
   return max;
 }
Esempio n. 2
0
CBC_ResultPoint* CBC_DataMatrixDetector::CorrectTopRightRectangular(
    CBC_ResultPoint* bottomLeft,
    CBC_ResultPoint* bottomRight,
    CBC_ResultPoint* topLeft,
    CBC_ResultPoint* topRight,
    int32_t dimensionTop,
    int32_t dimensionRight) {
  FX_FLOAT corr = Distance(bottomLeft, bottomRight) / (FX_FLOAT)dimensionTop;
  int32_t norm = Distance(topLeft, topRight);
  FX_FLOAT cos = (topRight->GetX() - topLeft->GetX()) / norm;
  FX_FLOAT sin = (topRight->GetY() - topLeft->GetY()) / norm;
  CBC_AutoPtr<CBC_ResultPoint> c1(new CBC_ResultPoint(
      topRight->GetX() + corr * cos, topRight->GetY() + corr * sin));
  corr = Distance(bottomLeft, topLeft) / (FX_FLOAT)dimensionRight;
  norm = Distance(bottomRight, topRight);
  cos = (topRight->GetX() - bottomRight->GetX()) / norm;
  sin = (topRight->GetY() - bottomRight->GetY()) / norm;
  CBC_AutoPtr<CBC_ResultPoint> c2(new CBC_ResultPoint(
      topRight->GetX() + corr * cos, topRight->GetY() + corr * sin));
  if (!IsValid(c1.get())) {
    if (IsValid(c2.get())) {
      return c2.release();
    }
    return NULL;
  } else if (!IsValid(c2.get())) {
    return c1.release();
  }
  int32_t l1 = FXSYS_abs(dimensionTop -
                         CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
                             TransitionsBetween(topLeft, c1.get()))
                             ->GetTransitions()) +
               FXSYS_abs(dimensionRight -
                         CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
                             TransitionsBetween(bottomRight, c1.get()))
                             ->GetTransitions());
  int32_t l2 = FXSYS_abs(dimensionTop -
                         CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
                             TransitionsBetween(topLeft, c2.get()))
                             ->GetTransitions()) +
               FXSYS_abs(dimensionRight -
                         CBC_AutoPtr<CBC_ResultPointsAndTransitions>(
                             TransitionsBetween(bottomRight, c2.get()))
                             ->GetTransitions());
  if (l1 <= l2) {
    return c1.release();
  }
  return c2.release();
}
CFX_DIBitmap* CFX_DIBSource::StretchTo(int dest_width, int dest_height, FX_DWORD flags, const FX_RECT* pClip) const
{
    FX_RECT clip_rect(0, 0, FXSYS_abs(dest_width), FXSYS_abs(dest_height));
    if (pClip) {
        clip_rect.Intersect(*pClip);
    }
    if (clip_rect.IsEmpty()) {
        return NULL;
    }
    if (dest_width == m_Width && dest_height == m_Height) {
        return Clone(&clip_rect);
    }
    CFX_ImageStretcher stretcher;
    CFX_BitmapStorer storer;
    if (stretcher.Start(&storer, this, dest_width, dest_height, clip_rect, flags)) {
        stretcher.Continue(NULL);
    }
    return storer.Detach();
}
Esempio n. 4
0
CFX_DIBitmap* CFX_DIBSource::StretchTo(int dest_width,
                                       int dest_height,
                                       uint32_t flags,
                                       const FX_RECT* pClip) const {
  FX_RECT clip_rect(0, 0, FXSYS_abs(dest_width), FXSYS_abs(dest_height));
  if (pClip)
    clip_rect.Intersect(*pClip);

  if (clip_rect.IsEmpty())
    return nullptr;

  if (dest_width == m_Width && dest_height == m_Height)
    return Clone(&clip_rect);

  CFX_BitmapStorer storer;
  CFX_ImageStretcher stretcher(&storer, this, dest_width, dest_height,
                               clip_rect, flags);
  if (stretcher.Start())
    stretcher.Continue(nullptr);
  return storer.Detach().release();
}
Esempio n. 5
0
CBC_ResultPointsAndTransitions* CBC_DataMatrixDetector::TransitionsBetween(
    CBC_ResultPoint* from,
    CBC_ResultPoint* to) {
  int32_t fromX = (int32_t)from->GetX();
  int32_t fromY = (int32_t)from->GetY();
  int32_t toX = (int32_t)to->GetX();
  int32_t toY = (int32_t)to->GetY();
  FX_BOOL steep = FXSYS_abs(toY - fromY) > FXSYS_abs(toX - fromX);
  if (steep) {
    int32_t temp = fromX;
    fromX = fromY;
    fromY = temp;
    temp = toX;
    toX = toY;
    toY = temp;
  }
  int32_t dx = FXSYS_abs(toX - fromX);
  int32_t dy = FXSYS_abs(toY - fromY);
  int32_t error = -dx >> 1;
  int32_t ystep = fromY < toY ? 1 : -1;
  int32_t xstep = fromX < toX ? 1 : -1;
  int32_t transitions = 0;
  FX_BOOL inBlack = m_image->Get(steep ? fromY : fromX, steep ? fromX : fromY);
  for (int32_t x = fromX, y = fromY; x != toX; x += xstep) {
    FX_BOOL isBlack = m_image->Get(steep ? y : x, steep ? x : y);
    if (isBlack != inBlack) {
      transitions++;
      inBlack = isBlack;
    }
    error += dy;
    if (error > 0) {
      if (y == toY) {
        break;
      }
      y += ystep;
      error -= dx;
    }
  }
  return new CBC_ResultPointsAndTransitions(from, to, transitions);
}
Esempio n. 6
0
void CBC_OneDimWriter::CalcTextInfo(const CFX_ByteString& text,
                                    FXTEXT_CHARPOS* charPos,
                                    CFX_Font* cFont,
                                    FX_FLOAT geWidth,
                                    int32_t fontSize,
                                    FX_FLOAT& charsLen) {
  std::unique_ptr<CFX_UnicodeEncodingEx> encoding(
      FX_CreateFontEncodingEx(cFont));

  int32_t length = text.GetLength();
  uint32_t* pCharCode = FX_Alloc(uint32_t, text.GetLength());
  FX_FLOAT charWidth = 0;
  for (int32_t j = 0; j < text.GetLength(); j++) {
    pCharCode[j] = encoding->CharCodeFromUnicode(text[j]);
    int32_t glyp_code = encoding->GlyphFromCharCode(pCharCode[j]);
    int32_t glyp_value = cFont->GetGlyphWidth(glyp_code);
    FX_FLOAT temp = (FX_FLOAT)((glyp_value)*fontSize / 1000.0);
    charWidth += temp;
  }
  charsLen = charWidth;
  FX_FLOAT leftPositon = (FX_FLOAT)(geWidth - charsLen) / 2.0f;
  if (leftPositon < 0 && geWidth == 0) {
    leftPositon = 0;
  }
  FX_FLOAT penX = 0.0;
  FX_FLOAT penY =
      (FX_FLOAT)FXSYS_abs(cFont->GetDescent()) * (FX_FLOAT)fontSize / 1000.0f;
  FX_FLOAT left = leftPositon;
  FX_FLOAT top = 0.0;
  charPos[0].m_OriginX = penX + left;
  charPos[0].m_OriginY = penY + top;
  charPos[0].m_GlyphIndex = encoding->GlyphFromCharCode(pCharCode[0]);
  charPos[0].m_FontCharWidth = cFont->GetGlyphWidth(charPos[0].m_GlyphIndex);
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
  charPos[0].m_ExtGID = charPos[0].m_GlyphIndex;
#endif
  penX += (FX_FLOAT)(charPos[0].m_FontCharWidth) * (FX_FLOAT)fontSize / 1000.0f;
  for (int32_t i = 1; i < length; i++) {
    charPos[i].m_OriginX = penX + left;
    charPos[i].m_OriginY = penY + top;
    charPos[i].m_GlyphIndex = encoding->GlyphFromCharCode(pCharCode[i]);
    charPos[i].m_FontCharWidth = cFont->GetGlyphWidth(charPos[i].m_GlyphIndex);
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
    charPos[i].m_ExtGID = charPos[i].m_GlyphIndex;
#endif
    penX +=
        (FX_FLOAT)(charPos[i].m_FontCharWidth) * (FX_FLOAT)fontSize / 1000.0f;
  }
  FX_Free(pCharCode);
}
void CPDFXFA_DocEnvironment::PageViewEvent(CXFA_FFPageView* pPageView,
                                           uint32_t dwFlags) {
  CPDFSDK_FormFillEnvironment* pFormFillEnv = m_pContext->GetFormFillEnv();
  if (!pFormFillEnv)
    return;

  if (m_pContext->GetLoadStatus() == FXFA_LOADSTATUS_LOADING ||
      m_pContext->GetLoadStatus() == FXFA_LOADSTATUS_CLOSING ||
      XFA_PAGEVIEWEVENT_StopLayout != dwFlags)
    return;

  int nNewCount = m_pContext->GetPageCount();
  if (nNewCount == m_pContext->GetOriginalPageCount())
    return;

  CXFA_FFDocView* pXFADocView = m_pContext->GetXFADocView();
  if (!pXFADocView)
    return;

  for (int iPageIter = 0; iPageIter < m_pContext->GetOriginalPageCount();
       iPageIter++) {
    CPDFXFA_Page* pPage = (*m_pContext->GetXFAPageList())[iPageIter];
    if (!pPage)
      continue;

    m_pContext->GetFormFillEnv()->RemovePageView(pPage);
    pPage->SetXFAPageView(pXFADocView->GetPageView(iPageIter));
  }

  int flag = (nNewCount < m_pContext->GetOriginalPageCount())
                 ? FXFA_PAGEVIEWEVENT_POSTREMOVED
                 : FXFA_PAGEVIEWEVENT_POSTADDED;
  int count = FXSYS_abs(nNewCount - m_pContext->GetOriginalPageCount());
  m_pContext->SetOriginalPageCount(nNewCount);
  pFormFillEnv->PageEvent(count, flag);
}
Esempio n. 8
0
FXFT_Face CFX_FontMapper::FindSubstFont(const CFX_ByteString& name, FX_BOOL bTrueType, FX_DWORD flags,
                                        int weight, int italic_angle, int WindowCP, CFX_SubstFont* pSubstFont)
{
    if (!(flags & FXFONT_USEEXTERNATTR)) {
        weight = FXFONT_FW_NORMAL;
        italic_angle = 0;
    }
    CFX_ByteString SubstName = name;
    SubstName.Remove(0x20);
    if (bTrueType) {
        if (name[0] == '@') {
            SubstName = name.Mid(1);
        }
    }
    _PDF_GetStandardFontName(SubstName);
    if (SubstName == FX_BSTRC("Symbol") && !bTrueType) {
        pSubstFont->m_Family = "Chrome Symbol";
        pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
        if (m_FoxitFaces[12]) {
            return m_FoxitFaces[12];
        }
        FX_LPCBYTE pFontData = NULL;
        FX_DWORD size = 0;
        m_pFontMgr->GetStandardFont(pFontData, size, 12);
        m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
        return m_FoxitFaces[12];
    }
    if (SubstName == FX_BSTRC("ZapfDingbats")) {
        pSubstFont->m_Family = "Chrome Dingbats";
        pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
        if (m_FoxitFaces[13]) {
            return m_FoxitFaces[13];
        }
        FX_LPCBYTE pFontData = NULL;
        FX_DWORD size = 0;
        m_pFontMgr->GetStandardFont(pFontData, size, 13);
        m_FoxitFaces[13] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
        return m_FoxitFaces[13];
    }
    int iBaseFont = 0;
    CFX_ByteString family, style;
    FX_BOOL	bHasComma = FALSE;
    FX_BOOL bHasHypen = FALSE;
    int find = SubstName.Find(FX_BSTRC(","), 0);
    if (find >= 0) {
        family = SubstName.Left(find);
        _PDF_GetStandardFontName(family);
        style = SubstName.Mid(find + 1);
        bHasComma = TRUE;
    } else {
        family = SubstName;
    }
    for (; iBaseFont < 12; iBaseFont ++)
        if (family == CFX_ByteStringC(g_Base14FontNames[iBaseFont])) {
            break;
        }
    int PitchFamily = 0;
    FX_BOOL bItalic = FALSE;
    FX_DWORD nStyle = 0;
    FX_BOOL bStyleAvail = FALSE;
    FX_BOOL bFamilyStyleIsWhole = FALSE;
    FX_BOOL bNextF = FALSE;
    if (iBaseFont < 12) {
        family = g_Base14FontNames[iBaseFont];
        if ((iBaseFont % 4) == 1 || (iBaseFont % 4) == 2) {
            nStyle |= FX_FONT_STYLE_Bold;
        }
        if ((iBaseFont % 4) / 2) {
            nStyle |= FX_FONT_STYLE_Italic;
        }
        if (iBaseFont < 4) {
            PitchFamily |= FXFONT_FF_FIXEDPITCH;
        }
        if (iBaseFont >= 8) {
            PitchFamily |= FXFONT_FF_ROMAN;
        }
    } else {
        if (!bHasComma) {
            find = family.ReverseFind('-');
            if (find >= 0) {
                style = family.Mid(find + 1);
                family = family.Left(find);
                bHasHypen = TRUE;
            }
        }
        if (!bHasHypen) {
            int nLen = family.GetLength();
            FX_INT32 nRet = GetStyleType(family, TRUE);
            if (nRet > -1) {
                family = family.Left(nLen - g_FontStyles[nRet].len);
                if (nRet == 0) {
                    nStyle |= FX_FONT_STYLE_Bold;
                }
                if (nRet == 1) {
                    nStyle |= FX_FONT_STYLE_Italic;
                }
                if (nRet == 2) {
                    nStyle |= (FX_FONT_STYLE_Bold | FX_FONT_STYLE_Italic);
                }
            }
        }
        if (flags & FXFONT_SERIF) {
            PitchFamily |= FXFONT_FF_ROMAN;
        }
        if (flags & FXFONT_SCRIPT) {
            PitchFamily |= FXFONT_FF_SCRIPT;
        }
        if (flags & FXFONT_FIXED_PITCH) {
            PitchFamily |= FXFONT_FF_FIXEDPITCH;
        }
    }
    if (!style.IsEmpty()) {
        int nLen = style.GetLength();
        FX_LPCSTR pStyle = style;
        int i = 0;
        FX_BOOL bFirstItem = TRUE;
        CFX_ByteString buf;
        while (i < nLen) {
            buf = ParseStyle(pStyle, nLen, i);
            FX_INT32 nRet = GetStyleType(buf, FALSE);
            if ((i && !bStyleAvail) || (!i && nRet < 0)) {
                family = SubstName;
                iBaseFont = 12;
                break;
            } else if (nRet >= 0) {
                bStyleAvail = TRUE;
            }
            if (nRet == 0) {
                if (nStyle & FX_FONT_STYLE_Bold) {
                    nStyle |= FX_FONT_STYLE_BoldBold;
                } else {
                    nStyle |= FX_FONT_STYLE_Bold;
                }
                bFirstItem = FALSE;
            }
            if (nRet == 1) {
                if (bFirstItem) {
                    nStyle |= FX_FONT_STYLE_Italic;
                } else {
                    family = SubstName;
                    iBaseFont = 12;
                }
                break;
            }
            if (nRet == 2) {
                nStyle |= FX_FONT_STYLE_Italic;
                if (nStyle & FX_FONT_STYLE_Bold) {
                    nStyle |= FX_FONT_STYLE_BoldBold;
                } else {
                    nStyle |= FX_FONT_STYLE_Bold;
                }
                bFirstItem = FALSE;
            }
            i += buf.GetLength() + 1;
        }
    }
    weight = weight ? weight : FXFONT_FW_NORMAL;
    int old_weight = weight;
    if (nStyle) {
        weight = nStyle & FX_FONT_STYLE_BoldBold ? 900 : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL);
    }
    if (nStyle & FX_FONT_STYLE_Italic) {
        bItalic = TRUE;
    }
    FX_BOOL bCJK = FALSE;
    FX_BOOL bExact = FALSE;
    int Charset = FXFONT_ANSI_CHARSET;
    if (WindowCP) {
        Charset = _GetCharsetFromCodePage(WindowCP);
    } else if (iBaseFont == 12 && (flags & FXFONT_SYMBOLIC)) {
        Charset = FXFONT_SYMBOL_CHARSET;
    }
    if (Charset == FXFONT_SHIFTJIS_CHARSET || Charset == FXFONT_GB2312_CHARSET ||
            Charset == FXFONT_HANGEUL_CHARSET || Charset == FXFONT_CHINESEBIG5_CHARSET) {
        bCJK = TRUE;
    }
    if (m_pFontInfo == NULL) {
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
        return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, PitchFamily);
    }
    family = _GetFontFamily(family, nStyle);
    CFX_ByteString match = MatchInstalledFonts(_TT_NormalizeName(family));
    if (match.IsEmpty() && family != SubstName && (!bHasComma && (!bHasHypen || (bHasHypen && !bStyleAvail)))) {
        match = MatchInstalledFonts(_TT_NormalizeName(SubstName));
    }
    if (match.IsEmpty() && iBaseFont >= 12) {
        if (!bCJK) {
            if (!CheckSupportThirdPartFont(family, PitchFamily)) {
                if (italic_angle != 0) {
                    bItalic = TRUE;
                } else {
                    bItalic = FALSE;
                }
                weight = old_weight;
            }
        } else {
            pSubstFont->m_bSubstOfCJK = TRUE;
            if (nStyle) {
                pSubstFont->m_WeightCJK = weight;
            } else {
                pSubstFont->m_WeightCJK = FXFONT_FW_NORMAL;
            }
            if (nStyle & FX_FONT_STYLE_Italic) {
                pSubstFont->m_bItlicCJK = TRUE;
            }
        }
    } else {
        italic_angle = 0;
        weight = nStyle & FX_FONT_STYLE_BoldBold ? 900 : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL);
    }
    if (!match.IsEmpty() || iBaseFont < 12) {
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_EXACT;
        if (!match.IsEmpty()) {
            family = match;
        }
        if (iBaseFont < 12) {
            if (nStyle && !(iBaseFont % 4)) {
                if ((nStyle & 0x3) == 1) {
                    iBaseFont += 1;
                }
                if ((nStyle & 0x3) == 2) {
                    iBaseFont += 3;
                }
                if ((nStyle & 0x3) == 3) {
                    iBaseFont += 2;
                }
            }
            if (m_pFontMgr->m_ExternalFonts[iBaseFont].m_pFontData) {
                if (m_FoxitFaces[iBaseFont]) {
                    return m_FoxitFaces[iBaseFont];
                }
                m_FoxitFaces[iBaseFont] = m_pFontMgr->GetFixedFace(m_pFontMgr->m_ExternalFonts[iBaseFont].m_pFontData,
                                          m_pFontMgr->m_ExternalFonts[iBaseFont].m_dwSize, 0);
                if (m_FoxitFaces[iBaseFont]) {
                    return m_FoxitFaces[iBaseFont];
                }
            } else {
                family = g_Base14FontNames[iBaseFont];
            }
            pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
        }
    } else {
        if (flags & FXFONT_ITALIC) {
            bItalic = TRUE;
        }
    }
    bExact = !match.IsEmpty();
    void* hFont = m_pFontInfo->MapFont(weight, bItalic, Charset, PitchFamily, family, bExact);
    if (bExact) {
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_EXACT;
    }
    if (hFont == NULL) {
        if (bCJK) {
            if (italic_angle != 0) {
                bItalic = TRUE;
            } else {
                bItalic = FALSE;
            }
            weight = old_weight;
        }
        if (!match.IsEmpty()) {
            hFont = m_pFontInfo->GetFont(match);
            if (hFont == NULL) {
                return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, PitchFamily);
            }
        } else {
            if (Charset == FXFONT_SYMBOL_CHARSET) {
#if _FXM_PLATFORM_  == _FXM_PLATFORM_APPLE_ || _FXM_PLATFORM_  == _FXM_PLATFORM_ANDROID_
                if (SubstName == FX_BSTRC("Symbol")) {
                    pSubstFont->m_Family = "Chrome Symbol";
                    pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
                    pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
                    if (m_FoxitFaces[12]) {
                        return m_FoxitFaces[12];
                    }
                    FX_LPCBYTE pFontData = NULL;
                    FX_DWORD size = 0;
                    m_pFontMgr->GetStandardFont(pFontData, size, 12);
                    m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
                    return m_FoxitFaces[12];
                } else {
                    pSubstFont->m_SubstFlags |= FXFONT_SUBST_NONSYMBOL;
                    return FindSubstFont(family, bTrueType, flags & ~FXFONT_SYMBOLIC, weight, italic_angle, 0, pSubstFont);
                }
#else
                pSubstFont->m_SubstFlags |= FXFONT_SUBST_NONSYMBOL;
                return FindSubstFont(family, bTrueType, flags & ~FXFONT_SYMBOLIC, weight, italic_angle, 0, pSubstFont);
#endif
            }
            if (Charset == FXFONT_ANSI_CHARSET) {
                pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
                return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, PitchFamily);
            }
            int index = m_CharsetArray.Find(Charset);
            if (index < 0) {
                return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight, PitchFamily);
            } else {
                hFont = m_pFontInfo->GetFont(m_FaceArray[index]);
            }
        }
    }
    pSubstFont->m_ExtHandle = m_pFontInfo->RetainFont(hFont);
    if (hFont == NULL) {
        return NULL;
    }
    m_pFontInfo->GetFaceName(hFont, SubstName);
    if (Charset == FXFONT_DEFAULT_CHARSET) {
        m_pFontInfo->GetFontCharset(hFont, Charset);
    }
    FX_DWORD ttc_size = m_pFontInfo->GetFontData(hFont, 0x74746366, NULL, 0);
    FX_DWORD font_size = m_pFontInfo->GetFontData(hFont, 0, NULL, 0);
    if(font_size == 0 && ttc_size == 0) {
        m_pFontInfo->DeleteFont(hFont);
        return NULL;
    }
    FXFT_Face face = NULL;
    if (ttc_size) {
        FX_BYTE temp[1024];
        m_pFontInfo->GetFontData(hFont, 0x74746366, temp, 1024);
        FX_DWORD checksum = 0;
        for (int i = 0; i < 256; i ++) {
            checksum += ((FX_DWORD*)temp)[i];
        }
        FX_LPBYTE pFontData;
        face = m_pFontMgr->GetCachedTTCFace(ttc_size, checksum, ttc_size - font_size, pFontData);
        if (face == NULL) {
            pFontData = FX_Alloc(FX_BYTE, ttc_size);
            if (pFontData) {
                m_pFontInfo->GetFontData(hFont, 0x74746366, pFontData, ttc_size);
                face = m_pFontMgr->AddCachedTTCFace(ttc_size, checksum, pFontData, ttc_size,
                                                    ttc_size - font_size);
            }
        }
    } else {
        FX_LPBYTE pFontData;
        face = m_pFontMgr->GetCachedFace(SubstName, weight, bItalic, pFontData);
        if (face == NULL) {
            pFontData = FX_Alloc(FX_BYTE, font_size);
            if (!pFontData) {
                m_pFontInfo->DeleteFont(hFont);
                return NULL;
            }
            m_pFontInfo->GetFontData(hFont, 0, pFontData, font_size);
            face = m_pFontMgr->AddCachedFace(SubstName, weight, bItalic, pFontData, font_size, m_pFontInfo->GetFaceIndex(hFont));
        }
    }
    if (face == NULL) {
        m_pFontInfo->DeleteFont(hFont);
        return NULL;
    }
    pSubstFont->m_Family = SubstName;
    pSubstFont->m_Charset = Charset;
    FX_BOOL bNeedUpdateWeight = FALSE;
    if (FXFT_Is_Face_Bold(face)) {
        if (weight == FXFONT_FW_BOLD) {
            bNeedUpdateWeight = FALSE;
        } else {
            bNeedUpdateWeight = TRUE;
        }
    } else {
        if (weight == FXFONT_FW_NORMAL) {
            bNeedUpdateWeight = FALSE;
        } else {
            bNeedUpdateWeight = TRUE;
        }
    }
    if (bNeedUpdateWeight) {
        pSubstFont->m_Weight = weight;
    }
    if (bItalic && !FXFT_Is_Face_Italic(face)) {
        if (italic_angle == 0) {
            italic_angle = -12;
        } else if (FXSYS_abs(italic_angle) < 5) {
            italic_angle = 0;
        }
        pSubstFont->m_ItalicAngle = italic_angle;
    }
    m_pFontInfo->DeleteFont(hFont);
    return face;
}
Esempio n. 9
0
FXFT_Face CFX_FontMapper::FindSubstFont(const CFX_ByteString& name,
                                        FX_BOOL bTrueType,
                                        uint32_t flags,
                                        int weight,
                                        int italic_angle,
                                        int WindowCP,
                                        CFX_SubstFont* pSubstFont) {
  if (!(flags & FXFONT_USEEXTERNATTR)) {
    weight = FXFONT_FW_NORMAL;
    italic_angle = 0;
  }
  CFX_ByteString SubstName = name;
  SubstName.Remove(' ');
  if (bTrueType && name[0] == '@')
    SubstName = name.Mid(1);
  PDF_GetStandardFontName(&SubstName);
  if (SubstName == "Symbol" && !bTrueType) {
    pSubstFont->m_Family = "Chrome Symbol";
    pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
    pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
    if (m_FoxitFaces[12])
      return m_FoxitFaces[12];
    const uint8_t* pFontData = nullptr;
    uint32_t size = 0;
    m_pFontMgr->GetBuiltinFont(12, &pFontData, &size);
    m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
    return m_FoxitFaces[12];
  }
  if (SubstName == "ZapfDingbats") {
    pSubstFont->m_Family = "Chrome Dingbats";
    pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
    pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
    if (m_FoxitFaces[13])
      return m_FoxitFaces[13];
    const uint8_t* pFontData = nullptr;
    uint32_t size = 0;
    m_pFontMgr->GetBuiltinFont(13, &pFontData, &size);
    m_FoxitFaces[13] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
    return m_FoxitFaces[13];
  }
  int iBaseFont = 0;
  CFX_ByteString family;
  CFX_ByteString style;
  bool bHasComma = false;
  bool bHasHyphen = false;
  int find = SubstName.Find(",", 0);
  if (find >= 0) {
    family = SubstName.Left(find);
    PDF_GetStandardFontName(&family);
    style = SubstName.Mid(find + 1);
    bHasComma = true;
  } else {
    family = SubstName;
  }
  for (; iBaseFont < kExternalFontIndex; iBaseFont++) {
    if (family == CFX_ByteStringC(g_Base14FontNames[iBaseFont]))
      break;
  }
  int PitchFamily = 0;
  bool bItalic = false;
  uint32_t nStyle = 0;
  bool bStyleAvail = false;
  if (iBaseFont < kExternalFontIndex) {
    if ((iBaseFont % 4) == 1 || (iBaseFont % 4) == 2)
      nStyle |= FX_FONT_STYLE_Bold;
    if ((iBaseFont % 4) / 2)
      nStyle |= FX_FONT_STYLE_Italic;
    if (iBaseFont < 4)
      PitchFamily |= FXFONT_FF_FIXEDPITCH;
    if (iBaseFont >= 8)
      PitchFamily |= FXFONT_FF_ROMAN;
  } else {
    if (!bHasComma) {
      find = family.ReverseFind('-');
      if (find >= 0) {
        style = family.Mid(find + 1);
        family = family.Left(find);
        bHasHyphen = true;
      }
    }
    if (!bHasHyphen) {
      int nLen = family.GetLength();
      int32_t nRet = GetStyleType(family, true);
      if (nRet > -1) {
        family = family.Left(nLen - g_FontStyles[nRet].len);
        if (nRet == 0)
          nStyle |= FX_FONT_STYLE_Bold;
        else if (nRet == 1)
          nStyle |= FX_FONT_STYLE_Italic;
        else if (nRet == 2)
          nStyle |= (FX_FONT_STYLE_Bold | FX_FONT_STYLE_Italic);
      }
    }
    UpdatePitchFamily(flags, PitchFamily);
  }
  if (!style.IsEmpty()) {
    int nLen = style.GetLength();
    const FX_CHAR* pStyle = style.c_str();
    int i = 0;
    bool bFirstItem = true;
    CFX_ByteString buf;
    while (i < nLen) {
      buf = ParseStyle(pStyle, nLen, i);
      int32_t nRet = GetStyleType(buf, false);
      if ((i && !bStyleAvail) || (!i && nRet < 0)) {
        family = SubstName;
        iBaseFont = kExternalFontIndex;
        break;
      }
      if (nRet >= 0) {
        bStyleAvail = true;
      }
      if (nRet == 1) {
        if (bFirstItem) {
          nStyle |= FX_FONT_STYLE_Italic;
        } else {
          family = SubstName;
          iBaseFont = kExternalFontIndex;
        }
        break;
      }
      if (nRet == 0) {
        if (nStyle & FX_FONT_STYLE_Bold)
          nStyle |= FX_FONT_STYLE_BoldBold;
        else
          nStyle |= FX_FONT_STYLE_Bold;
        bFirstItem = false;
      } else if (nRet == 2) {
        nStyle |= FX_FONT_STYLE_Italic;
        if (nStyle & FX_FONT_STYLE_Bold)
          nStyle |= FX_FONT_STYLE_BoldBold;
        else
          nStyle |= FX_FONT_STYLE_Bold;
        bFirstItem = false;
      }
      i += buf.GetLength() + 1;
    }
  }
  weight = weight ? weight : FXFONT_FW_NORMAL;
  int old_weight = weight;
  if (nStyle) {
    weight =
        nStyle & FX_FONT_STYLE_BoldBold
            ? 900
            : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL);
  }
  if (nStyle & FX_FONT_STYLE_Italic)
    bItalic = true;
  int iExact = 0;
  int Charset = FXFONT_ANSI_CHARSET;
  if (WindowCP)
    Charset = GetCharsetFromCodePage(WindowCP);
  else if (iBaseFont == kExternalFontIndex && (flags & FXFONT_SYMBOLIC))
    Charset = FXFONT_SYMBOL_CHARSET;
  bool bCJK =
      (Charset == FXFONT_SHIFTJIS_CHARSET || Charset == FXFONT_GB2312_CHARSET ||
       Charset == FXFONT_HANGUL_CHARSET ||
       Charset == FXFONT_CHINESEBIG5_CHARSET);
  if (!m_pFontInfo) {
    pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
    return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
                            PitchFamily);
  }
  family = GetFontFamily(family, nStyle);
  CFX_ByteString match = MatchInstalledFonts(TT_NormalizeName(family.c_str()));
  if (match.IsEmpty() && family != SubstName &&
      (!bHasComma && (!bHasHyphen || (bHasHyphen && !bStyleAvail)))) {
    match = MatchInstalledFonts(TT_NormalizeName(SubstName.c_str()));
  }
  if (match.IsEmpty() && iBaseFont >= kExternalFontIndex) {
    if (!bCJK) {
      if (!CheckSupportThirdPartFont(family, PitchFamily)) {
        bItalic = italic_angle != 0;
        weight = old_weight;
      }
    } else {
      pSubstFont->m_bSubstCJK = true;
      if (nStyle)
        pSubstFont->m_WeightCJK = nStyle ? weight : FXFONT_FW_NORMAL;
      if (nStyle & FX_FONT_STYLE_Italic)
        pSubstFont->m_bItalicCJK = true;
    }
  } else {
    italic_angle = 0;
    weight =
        nStyle & FX_FONT_STYLE_BoldBold
            ? 900
            : (nStyle & FX_FONT_STYLE_Bold ? FXFONT_FW_BOLD : FXFONT_FW_NORMAL);
  }
  if (!match.IsEmpty() || iBaseFont < kExternalFontIndex) {
    if (!match.IsEmpty())
      family = match;
    if (iBaseFont < kExternalFontIndex) {
      if (nStyle && !(iBaseFont % 4)) {
        if ((nStyle & 0x3) == 1)
          iBaseFont += 1;
        if ((nStyle & 0x3) == 2)
          iBaseFont += 3;
        if ((nStyle & 0x3) == 3)
          iBaseFont += 2;
      }
      family = g_Base14FontNames[iBaseFont];
      pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
    }
  } else {
    if (flags & FXFONT_ITALIC)
      bItalic = true;
  }
  iExact = !match.IsEmpty();
  void* hFont = m_pFontInfo->MapFont(weight, bItalic, Charset, PitchFamily,
                                     family.c_str(), iExact);
  if (iExact)
    pSubstFont->m_SubstFlags |= FXFONT_SUBST_EXACT;
  if (!hFont) {
#ifdef PDF_ENABLE_XFA
    if (flags & FXFONT_EXACTMATCH)
      return nullptr;
#endif  // PDF_ENABLE_XFA
    if (bCJK) {
      bItalic = italic_angle != 0;
      weight = old_weight;
    }
    if (!match.IsEmpty()) {
      hFont = m_pFontInfo->GetFont(match.c_str());
      if (!hFont) {
        return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
                                PitchFamily);
      }
    } else {
      if (Charset == FXFONT_SYMBOL_CHARSET) {
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ || \
    _FXM_PLATFORM_ == _FXM_PLATFORM_ANDROID_
        if (SubstName == "Symbol") {
          pSubstFont->m_Family = "Chrome Symbol";
          pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
          pSubstFont->m_Charset = FXFONT_SYMBOL_CHARSET;
          if (m_FoxitFaces[12])
            return m_FoxitFaces[12];
          const uint8_t* pFontData = nullptr;
          uint32_t size = 0;
          m_pFontMgr->GetBuiltinFont(12, &pFontData, &size);
          m_FoxitFaces[12] = m_pFontMgr->GetFixedFace(pFontData, size, 0);
          return m_FoxitFaces[12];
        }
#endif
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_NONSYMBOL;
        return FindSubstFont(family, bTrueType, flags & ~FXFONT_SYMBOLIC,
                             weight, italic_angle, 0, pSubstFont);
      }
      if (Charset == FXFONT_ANSI_CHARSET) {
        pSubstFont->m_SubstFlags |= FXFONT_SUBST_STANDARD;
        return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
                                PitchFamily);
      }

      auto it =
          std::find_if(m_FaceArray.begin(), m_FaceArray.end(),
                       [Charset](const FaceData& face) {
                         return face.charset == static_cast<uint32_t>(Charset);
                       });
      if (it == m_FaceArray.end()) {
        return UseInternalSubst(pSubstFont, iBaseFont, italic_angle, old_weight,
                                PitchFamily);
      }
      hFont = m_pFontInfo->GetFont(it->name.c_str());
    }
  }
  if (!hFont)
    return nullptr;

  m_pFontInfo->GetFaceName(hFont, SubstName);
  if (Charset == FXFONT_DEFAULT_CHARSET)
    m_pFontInfo->GetFontCharset(hFont, Charset);
  uint32_t ttc_size = m_pFontInfo->GetFontData(hFont, kTableTTCF, nullptr, 0);
  uint32_t font_size = m_pFontInfo->GetFontData(hFont, 0, nullptr, 0);
  if (font_size == 0 && ttc_size == 0) {
    m_pFontInfo->DeleteFont(hFont);
    return nullptr;
  }
  FXFT_Face face = nullptr;
  if (ttc_size)
    face = GetCachedTTCFace(hFont, kTableTTCF, ttc_size, font_size);
  else
    face = GetCachedFace(hFont, SubstName, weight, bItalic, font_size);
  if (!face) {
    m_pFontInfo->DeleteFont(hFont);
    return nullptr;
  }
  pSubstFont->m_Family = SubstName;
  pSubstFont->m_Charset = Charset;
  bool bNeedUpdateWeight = false;
  if (FXFT_Is_Face_Bold(face))
    bNeedUpdateWeight = weight != FXFONT_FW_BOLD;
  else
    bNeedUpdateWeight = weight != FXFONT_FW_NORMAL;
  if (bNeedUpdateWeight)
    pSubstFont->m_Weight = weight;
  if (bItalic && !FXFT_Is_Face_Italic(face)) {
    if (italic_angle == 0)
      italic_angle = -12;
    else if (FXSYS_abs(italic_angle) < 5)
      italic_angle = 0;
    pSubstFont->m_ItalicAngle = italic_angle;
  }
  m_pFontInfo->DeleteFont(hFont);
  return face;
}
Esempio n. 10
0
CStretchEngine::CStretchEngine(IFX_ScanlineComposer* pDestBitmap, FXDIB_Format dest_format,
                               int dest_width, int dest_height, const FX_RECT& clip_rect,
                               const CFX_DIBSource* pSrcBitmap, int flags)
{
    m_State = 0;
    m_DestFormat = dest_format;
    m_DestBpp = dest_format & 0xff;
    m_SrcBpp = pSrcBitmap->GetFormat() & 0xff;
    m_bHasAlpha = pSrcBitmap->GetFormat() & 0x200;
    m_pSrcPalette = pSrcBitmap->GetPalette();
    m_pDestBitmap = pDestBitmap;
    m_DestWidth = dest_width;
    m_DestHeight = dest_height;
    m_pInterBuf = NULL;
    m_pExtraAlphaBuf = NULL;
    m_pDestMaskScanline = NULL;
    m_DestClip = clip_rect;
    FX_DWORD size = clip_rect.Width();
    if (size && m_DestBpp > (int)(INT_MAX / size)) {
        return;
    }
    size *= m_DestBpp;
    if (size > INT_MAX - 31) {
        return;
    }
    size += 31;
    size = size / 32 * 4;
    m_pDestScanline = FX_AllocNL(FX_BYTE, size);
    if (m_pDestScanline == NULL) {
        return;
    }
    if (dest_format == FXDIB_Rgb32) {
        FXSYS_memset8(m_pDestScanline, 255, size);
    }
    m_InterPitch = (m_DestClip.Width() * m_DestBpp + 31) / 32 * 4;
    m_ExtraMaskPitch = (m_DestClip.Width() * 8 + 31) / 32 * 4;
    m_pInterBuf = NULL;
    m_pSource = pSrcBitmap;
    m_SrcWidth = pSrcBitmap->GetWidth();
    m_SrcHeight = pSrcBitmap->GetHeight();
    m_SrcPitch = (m_SrcWidth * m_SrcBpp + 31) / 32 * 4;
    if ((flags & FXDIB_NOSMOOTH) == 0) {
        FX_BOOL bInterpol = flags & FXDIB_INTERPOL || flags & FXDIB_BICUBIC_INTERPOL;
        if (!bInterpol && FXSYS_abs(dest_width) != 0 && FXSYS_abs(dest_height) < m_SrcWidth * m_SrcHeight * 8 / FXSYS_abs(dest_width)) {
            flags = FXDIB_INTERPOL;
        }
        m_Flags = flags;
    } else {
        m_Flags = FXDIB_NOSMOOTH;
        if (flags & FXDIB_DOWNSAMPLE) {
            m_Flags |= FXDIB_DOWNSAMPLE;
        }
    }
    double scale_x = FXSYS_Div((FX_FLOAT)(m_SrcWidth), (FX_FLOAT)(m_DestWidth));
    double scale_y = FXSYS_Div((FX_FLOAT)(m_SrcHeight), (FX_FLOAT)(m_DestHeight));
    double base_x = m_DestWidth > 0 ? 0.0f : (FX_FLOAT)(m_DestWidth);
    double base_y = m_DestHeight > 0 ? 0.0f : (FX_FLOAT)(m_DestHeight);
    double src_left = FXSYS_Mul(scale_x, (FX_FLOAT)(clip_rect.left) + base_x);
    double src_right = FXSYS_Mul(scale_x, (FX_FLOAT)(clip_rect.right) + base_x);
    double src_top = FXSYS_Mul(scale_y, (FX_FLOAT)(clip_rect.top) + base_y);
    double src_bottom = FXSYS_Mul(scale_y, (FX_FLOAT)(clip_rect.bottom) + base_y);
    if (src_left > src_right) {
        double temp = src_left;
        src_left = src_right;
        src_right = temp;
    }
    if (src_top > src_bottom) {
        double temp = src_top;
        src_top = src_bottom;
        src_bottom = temp;
    }
    m_SrcClip.left = (int)FXSYS_floor((FX_FLOAT)src_left);
    m_SrcClip.right = (int)FXSYS_ceil((FX_FLOAT)src_right);
    m_SrcClip.top = (int)FXSYS_floor((FX_FLOAT)src_top);
    m_SrcClip.bottom = (int)FXSYS_ceil((FX_FLOAT)src_bottom);
    FX_RECT src_rect(0, 0, m_SrcWidth, m_SrcHeight);
    m_SrcClip.Intersect(src_rect);
    if (m_SrcBpp == 1) {
        if (m_DestBpp == 8) {
            m_TransMethod = 1;
        } else {
            m_TransMethod = 2;
        }
    } else if (m_SrcBpp == 8) {
        if (m_DestBpp == 8) {
            if (!m_bHasAlpha) {
                m_TransMethod = 3;
            } else {
                m_TransMethod = 4;
            }
        } else {
            if (!m_bHasAlpha) {
                m_TransMethod = 5;
            } else {
                m_TransMethod = 6;
            }
        }
    } else {
        if (!m_bHasAlpha) {
            m_TransMethod = 7;
        } else {
            m_TransMethod = 8;
        }
    }
}
Esempio n. 11
0
int32_t CFDE_TxtEdtEngine::MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
                                        FX_BOOL bShift,
                                        FX_BOOL bCtrl) {
  if (IsLocked()) {
    return 0;
  }
  if (m_PagePtrArray.GetSize() <= m_nCaretPage) {
    return 0;
  }
  FX_BOOL bSelChange = FALSE;
  if (IsSelect()) {
    ClearSelection();
    bSelChange = TRUE;
  }
  if (bShift) {
    if (m_nAnchorPos == -1) {
      m_nAnchorPos = m_nCaret;
    }
  } else {
    m_nAnchorPos = -1;
  }
  FX_BOOL bVertical = m_Param.dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical;
  switch (eMoveCaret) {
    case MC_Left: {
      if (bVertical) {
        CFX_PointF ptCaret;
        if (MoveUp(ptCaret)) {
          UpdateCaretIndex(ptCaret);
        }
      } else {
        FX_BOOL bBefore = TRUE;
        int32_t nIndex = MoveBackward(bBefore);
        if (nIndex >= 0) {
          UpdateCaretRect(nIndex, bBefore);
        }
      }
    } break;
    case MC_Right: {
      if (bVertical) {
        CFX_PointF ptCaret;
        if (MoveDown(ptCaret)) {
          UpdateCaretIndex(ptCaret);
        }
      } else {
        FX_BOOL bBefore = TRUE;
        int32_t nIndex = MoveForward(bBefore);
        if (nIndex >= 0) {
          UpdateCaretRect(nIndex, bBefore);
        }
      }
    } break;
    case MC_Up: {
      if (bVertical) {
        FX_BOOL bBefore = TRUE;
        int32_t nIndex = MoveBackward(bBefore);
        if (nIndex >= 0) {
          UpdateCaretRect(nIndex, bBefore);
        }
      } else {
        CFX_PointF ptCaret;
        if (MoveUp(ptCaret)) {
          UpdateCaretIndex(ptCaret);
        }
      }
    } break;
    case MC_Down: {
      if (bVertical) {
        FX_BOOL bBefore = TRUE;
        int32_t nIndex = MoveForward(bBefore);
        if (nIndex >= 0) {
          UpdateCaretRect(nIndex, bBefore);
        }
      } else {
        CFX_PointF ptCaret;
        if (MoveDown(ptCaret)) {
          UpdateCaretIndex(ptCaret);
        }
      }
    } break;
    case MC_WordBackward:
      break;
    case MC_WordForward:
      break;
    case MC_LineStart:
      MoveLineStart();
      break;
    case MC_LineEnd:
      MoveLineEnd();
      break;
    case MC_ParagStart:
      MoveParagStart();
      break;
    case MC_ParagEnd:
      MoveParagEnd();
      break;
    case MC_PageDown:
      break;
    case MC_PageUp:
      break;
    case MC_Home:
      MoveHome();
      break;
    case MC_End:
      MoveEnd();
      break;
    default:
      break;
  }
  if (bShift && m_nAnchorPos != -1 && (m_nAnchorPos != m_nCaret)) {
    AddSelRange(std::min(m_nAnchorPos, m_nCaret),
                FXSYS_abs(m_nAnchorPos - m_nCaret));
    m_Param.pEventSink->On_SelChanged(this);
  }
  if (bSelChange) {
    m_Param.pEventSink->On_SelChanged(this);
  }
  return m_nCaret;
}
Esempio n. 12
0
FX_BOOL CPDF_TextStream::ProcessObject(const CPDF_TextObject* pObj, FX_BOOL bFirstLine)
{
    CPDF_Font* pFont = pObj->GetFont();
    CFX_AffineMatrix matrix;
    pObj->GetTextMatrix(&matrix);
    int item_index = 0;
    if (m_pLastObj) {
        int result = FPDFText_ProcessInterObj(m_pLastObj, pObj);
        if (result == 2) {
            int len = m_Buffer.GetLength();
            if (len && m_bUseLF && m_Buffer.GetBuffer()[len - 1] == L'-') {
                m_Buffer.Delete(len - 1, 1);
                if (m_pObjArray) {
                    m_pObjArray->RemoveAt((len - 1) * 2, 2);
                }
            } else {
                if (bFirstLine) {
                    return TRUE;
                }
                if (m_bUseLF) {
                    m_Buffer.AppendChar(L'\r');
                    m_Buffer.AppendChar(L'\n');
                    if (m_pObjArray) {
                        for (int i = 0; i < 4; i ++) {
                            m_pObjArray->Add(NULL);
                        }
                    }
                } else {
                    m_Buffer.AppendChar(' ');
                    if (m_pObjArray) {
                        m_pObjArray->Add(NULL);
                        m_pObjArray->Add(NULL);
                    }
                }
            }
        } else if (result == 1) {
            m_Buffer.AppendChar(L' ');
            if (m_pObjArray) {
                m_pObjArray->Add(NULL);
                m_pObjArray->Add(NULL);
            }
        } else if (result == -1) {
            m_pLastObj = pObj;
            return FALSE;
        } else if (result == 3) {
            item_index = 1;
        }
    }
    m_pLastObj = pObj;
    int nItems = pObj->CountItems();
    FX_FLOAT Ignorekerning = 0;
    for(int i = 1; i < nItems - 1; i += 2) {
        CPDF_TextObjectItem item;
        pObj->GetItemInfo(i, &item);
        if (item.m_CharCode == (FX_DWORD) - 1) {
            if(i == 1) {
                Ignorekerning = item.m_OriginX;
            } else if(Ignorekerning > item.m_OriginX) {
                Ignorekerning = item.m_OriginX;
            }
        } else {
            Ignorekerning = 0;
            break;
        }
    }
    FX_FLOAT spacing = 0;
    for (; item_index < nItems; item_index ++) {
        CPDF_TextObjectItem item;
        pObj->GetItemInfo(item_index, &item);
        if (item.m_CharCode == (FX_DWORD) - 1) {
            CFX_WideString wstr = m_Buffer.GetWideString();
            if (wstr.IsEmpty() || wstr.GetAt(wstr.GetLength() - 1) == L' ') {
                continue;
            }
            FX_FLOAT fontsize_h = pObj->m_TextState.GetFontSizeH();
            spacing = -fontsize_h * (item.m_OriginX - Ignorekerning) / 1000;
            continue;
        }
        FX_FLOAT charSpace = pObj->m_TextState.GetObject()->m_CharSpace;
        if(nItems > 3 && !spacing) {
            charSpace = 0;
        }
        if((spacing || charSpace) && item_index > 0) {
            int last_width = 0;
            FX_FLOAT fontsize_h = pObj->m_TextState.GetFontSizeH();
            FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' ');
            FX_FLOAT threshold = 0;
            if (space_charcode != -1) {
                threshold = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000 ;
            }
            if(threshold > fontsize_h / 3) {
                threshold = 0;
            } else {
                threshold /= 2;
            }
            if (threshold == 0) {
                threshold = fontsize_h;
                int this_width = FXSYS_abs(GetCharWidth(item.m_CharCode, pFont));
                threshold = this_width > last_width ? (FX_FLOAT)this_width : (FX_FLOAT)last_width;
                int nDivide = 6;
                if (threshold < 300) {
                    nDivide = 2;
                } else if (threshold < 500) {
                    nDivide = 4;
                } else if (threshold < 700) {
                    nDivide = 5;
                }
                threshold = threshold / nDivide;
                threshold = fontsize_h * threshold / 1000;
            }
            if(charSpace > 0.001) {
                spacing += matrix.TransformDistance(charSpace);
            } else if(charSpace < -0.001) {
                spacing -= matrix.TransformDistance(FXSYS_fabs(charSpace));
            }
            if (threshold && (spacing && spacing >= threshold) ) {
                m_Buffer.AppendChar(L' ');
                if (m_pObjArray) {
                    m_pObjArray->Add(NULL);
                    m_pObjArray->Add(NULL);
                }
            }
            if (item.m_CharCode == (FX_DWORD) - 1) {
                continue;
            }
            spacing = 0;
        }
        CFX_WideString unicode_str = pFont->UnicodeFromCharCode(item.m_CharCode);
        if (unicode_str.IsEmpty()) {
            m_Buffer.AppendChar((FX_WCHAR)item.m_CharCode);
            if (m_pObjArray) {
                m_pObjArray->Add((void*)pObj);
                m_pObjArray->Add((void*)(FX_INTPTR)item_index);
            }
        } else {
            m_Buffer << unicode_str;
            if (m_pObjArray) {
                for (int i = 0; i < unicode_str.GetLength(); i ++) {
                    m_pObjArray->Add((void*)pObj);
                    m_pObjArray->Add((void*)(FX_INTPTR)item_index);
                }
            }
        }
    }
    return FALSE;
}