C++ (Cpp) GlyphFromCharCode Examples

Example #1

File: fpdf_render_text.cpp Project: 151706061/PDFium

CFX_PathData* CPDF_Font::LoadGlyphPath(FX_DWORD charcode, int dest_width)
{
    int glyph_index = GlyphFromCharCode(charcode);
    if (m_Font.m_Face == NULL) {
        return NULL;
    }
    return m_Font.LoadGlyphPath(glyph_index, dest_width);
}

Example #2

File: fx_ge_font.cpp Project: ioctaptceb/node-pdfium

FX_DWORD CFX_UnicodeEncoding::GlyphFromCharCodeEx(FX_DWORD charcode, int encoding)
{
    FXFT_Face face =  m_pFont->GetFace();
    if (!face) {
        return charcode;
    }
    if (encoding == ENCODING_UNICODE) {
        return	GlyphFromCharCode(charcode);
    } else {
        int nmaps = FXFT_Get_Face_CharmapCount(m_pFont->m_Face);
        int i = 0;
        while (i < nmaps) {
            int encoding = FXFT_Get_Charmap_Encoding(FXFT_Get_Face_Charmaps(face)[i++]);
            if (encoding != FXFT_ENCODING_UNICODE) {
                FXFT_Select_Charmap(face, encoding);
                break;
            }
        }
    }
    return FXFT_Get_Char_Index(face, charcode);
}

Example #3

File: cpdf_cidfont.cpp Project: MIPS/external-pdfium

FX_RECT CPDF_CIDFont::GetCharBBox(uint32_t charcode) {
  if (charcode < 256 && m_CharBBox[charcode].right != -1)
    return m_CharBBox[charcode];

  FX_RECT rect;
  bool bVert = false;
  int glyph_index = GlyphFromCharCode(charcode, &bVert);
  FXFT_Face face = m_Font.GetFace();
  if (face) {
    if (FXFT_Is_Face_Tricky(face)) {
      int err = FXFT_Load_Glyph(face, glyph_index,
                                FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
      if (!err) {
        FXFT_BBox cbox;
        FXFT_Glyph glyph;
        err = FXFT_Get_Glyph(((FXFT_Face)face)->glyph, &glyph);
        if (!err) {
          FXFT_Glyph_Get_CBox(glyph, FXFT_GLYPH_BBOX_PIXELS, &cbox);
          int pixel_size_x = ((FXFT_Face)face)->size->metrics.x_ppem;
          int pixel_size_y = ((FXFT_Face)face)->size->metrics.y_ppem;
          if (pixel_size_x == 0 || pixel_size_y == 0) {
            rect = FX_RECT(cbox.xMin, cbox.yMax, cbox.xMax, cbox.yMin);
          } else {
            rect = FX_RECT(cbox.xMin * 1000 / pixel_size_x,
                           cbox.yMax * 1000 / pixel_size_y,
                           cbox.xMax * 1000 / pixel_size_x,
                           cbox.yMin * 1000 / pixel_size_y);
          }
          rect.top = std::min(rect.top,
                              static_cast<int>(FXFT_Get_Face_Ascender(face)));
          rect.bottom = std::max(
              rect.bottom, static_cast<int>(FXFT_Get_Face_Descender(face)));
          FXFT_Done_Glyph(glyph);
        }
      }
    } else {
      int err = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_SCALE);
      if (err == 0) {
        rect = FX_RECT(TT2PDF(FXFT_Get_Glyph_HoriBearingX(face), face),
                       TT2PDF(FXFT_Get_Glyph_HoriBearingY(face), face),
                       TT2PDF(FXFT_Get_Glyph_HoriBearingX(face) +
                                  FXFT_Get_Glyph_Width(face),
                              face),
                       TT2PDF(FXFT_Get_Glyph_HoriBearingY(face) -
                                  FXFT_Get_Glyph_Height(face),
                              face));
        rect.top += rect.top / 64;
      }
    }
  }
  if (!m_pFontFile && m_Charset == CIDSET_JAPAN1) {
    uint16_t CID = CIDFromCharCode(charcode);
    const uint8_t* pTransform = GetCIDTransform(CID);
    if (pTransform && !bVert) {
      CFX_Matrix matrix(CIDTransformToFloat(pTransform[0]),
                        CIDTransformToFloat(pTransform[1]),
                        CIDTransformToFloat(pTransform[2]),
                        CIDTransformToFloat(pTransform[3]),
                        CIDTransformToFloat(pTransform[4]) * 1000,
                        CIDTransformToFloat(pTransform[5]) * 1000);
      CFX_FloatRect rect_f(rect);
      matrix.TransformRect(rect_f);
      rect = rect_f.GetOuterRect();
    }
  }
  if (charcode < 256)
    m_CharBBox[charcode] = rect;

  return rect;
}

Example #4

File: cpdf_font.cpp Project: documentcloud/pdfium

int CPDF_Font::GlyphFromCharCodeExt(uint32_t charcode) {
  return GlyphFromCharCode(charcode, nullptr);
}

Example #5

File: fpdf_render_text.cpp Project: hoanganhx86/pdfium

CFX_PathData* CPDF_Font::LoadGlyphPath(FX_DWORD charcode, int dest_width) {
  int glyph_index = GlyphFromCharCode(charcode);
  if (!m_Font.GetFace())
    return nullptr;
  return m_Font.LoadGlyphPath(glyph_index, dest_width);
}