Ejemplo n.º 1
0
void ParenCell::RecalculateWidths(CellParser& parser, int fontsize)
{
  double scale = parser.GetScale();
  if (m_innerCell == NULL)
    m_innerCell = new TextCell;

  m_innerCell->RecalculateWidthsList(parser, fontsize);

  if (parser.CheckTeXFonts())
  {
    wxDC& dc = parser.GetDC();
    m_innerCell->RecalculateSizeList(parser, fontsize);
    int size = m_innerCell->GetMaxHeight();

    int fontsize1 = (int) ((fontsize * scale + 0.5));

    if (size < 2*fontsize1)
      m_bigParenType = 0;
    else if (size < 4*fontsize1)
      m_bigParenType = 1;
    else
      m_bigParenType = 2;

    if (m_bigParenType < 2)
    {
      m_parenFontSize = fontsize;
      fontsize1 = (int) ((m_parenFontSize * scale + 0.5));

      dc.SetFont( wxFont(fontsize1, wxFONTFAMILY_MODERN,
			 wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false,
			 m_bigParenType == 0 ?
			 parser.GetTeXCMRI() :
			 parser.GetTeXCMEX()));
      dc.GetTextExtent(m_bigParenType == 0 ? wxT("(") :
                       m_bigParenType == 1 ? wxT(PAREN_OPEN) :
		       wxT(PAREN_OPEN_TOP),
                       &m_signWidth, &m_signSize);

      /// BUG 2897415: Exporting equations to HTML locks up on Mac
      ///  there is something wrong with what dc.GetTextExtent returns,
      ///  make sure there is no infinite loop!
      int i=0;
      
      // Avoid a possible infinite loop.
      if(size < 2) size = 2;
      
      while (m_signSize < TRANSFORM_SIZE(m_bigParenType, size) && i<20)
      {
        int fontsize1 = (int) ((m_parenFontSize++ * scale + 0.5));
        dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
                          wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false,
                          m_bigParenType == 0 ?
			  parser.GetTeXCMRI() :
			  parser.GetTeXCMEX()));
        dc.GetTextExtent(m_bigParenType == 0 ? wxT("(") :
                         m_bigParenType == 1 ? wxT(PAREN_OPEN) :
			 wxT(PAREN_OPEN_TOP),
                         &m_signWidth, &m_signSize);
        // Avoid an infinite loop.
        if(m_signSize < 2) m_signSize = 2;
        i++;
      }
    }
    else
    {
      m_parenFontSize = fontsize;
      fontsize1 = (int) ((m_parenFontSize * scale + 0.5));
      dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
			wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false,
                        m_bigParenType < 1 ?
			parser.GetTeXCMRI() :
			parser.GetTeXCMEX()));
      dc.GetTextExtent(wxT(PAREN_OPEN), &m_signWidth, &m_signSize);
    }

    m_signTop = m_signSize / 5;
    m_width = m_innerCell->GetFullWidth(scale) + 2*m_signWidth;
  }
  else
  {
#if defined __WXMSW__
    wxDC& dc = parser.GetDC();
    int fontsize1 = (int) ((PAREN_FONT_SIZE * scale + 0.5));
    dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
                      parser.IsItalic(TS_DEFAULT),
                      parser.IsBold(TS_DEFAULT),
                      parser.IsUnderlined(TS_DEFAULT),
                      parser.GetSymbolFontName()));
    dc.GetTextExtent(PAREN_LEFT_TOP, &m_charWidth, &m_charHeight);
    if(m_charHeight < 2)
      m_charHeight = 2;
    m_width = m_innerCell->GetFullWidth(scale) + 2*m_charWidth;
#else
    m_width = m_innerCell->GetFullWidth(scale) + SCALE_PX(12, parser.GetScale());
#endif
  }
  m_open->RecalculateWidthsList(parser, fontsize);
  m_close->RecalculateWidthsList(parser, fontsize);
  ResetData();
}
Ejemplo n.º 2
0
void ParenCell::Draw(CellParser& parser, wxPoint point, int fontsize)
{
  if (DrawThisCell(parser, point))
  {
    double scale = parser.GetScale();
    wxDC& dc = parser.GetDC();
    wxPoint in(point);

    if (parser.CheckTeXFonts())
    {
      in.x = point.x + m_signWidth;
      SetForeground(parser);
      int fontsize1 = (int) ((m_parenFontSize * scale + 0.5));
      dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
			wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false,
                        m_bigParenType < 1 ?
			parser.GetTeXCMRI() :
			parser.GetTeXCMEX()));
      if (m_bigParenType < 2)
      {
        dc.DrawText(m_bigParenType == 0 ? wxT("(") :
                                          wxT(PAREN_OPEN),
                    point.x,
                    point.y - m_center + SCALE_PX(MC_TEXT_PADDING, scale) -
                    (m_bigParenType > 0 ? m_signTop : 0));
        dc.DrawText(m_bigParenType == 0 ? wxT(")") :
                                          wxT(PAREN_CLOSE),
                    point.x + m_signWidth + m_innerCell->GetFullWidth(scale),
                    point.y - m_center + SCALE_PX(MC_TEXT_PADDING, scale) -
                    (m_bigParenType > 0 ? m_signTop : 0));
      }
      else {
        int top = point.y - m_center - m_signTop;
        int bottom = point.y + m_height - m_center - m_signTop - m_signSize / 2;
        dc.DrawText(wxT(PAREN_OPEN_TOP),
                    point.x,
                    top);
        dc.DrawText(wxT(PAREN_CLOSE_TOP),
                    point.x + m_signWidth + m_innerCell->GetFullWidth(scale),
                    top);
        dc.DrawText(wxT(PAREN_OPEN_BOTTOM),
                    point.x,
                    bottom);
        dc.DrawText(wxT(PAREN_CLOSE_BOTTOM),
                    point.x + m_signWidth + m_innerCell->GetFullWidth(scale),
                    bottom);
        top = top + m_signSize / 2;
        if (top <= bottom)
        {
          while (top < bottom)
          {
            dc.DrawText(wxT(PAREN_OPEN_EXTEND),
                          point.x,
                          top-1);
            dc.DrawText(wxT(PAREN_CLOSE_EXTEND),
                          point.x + m_width - m_signWidth,
                          top-1);
            top += m_signSize / 10;
          }
        }
      }
    }
    else
    {
#if defined __WXMSW__
      in.x += m_charWidth;
      int fontsize1 = (int) ((PAREN_FONT_SIZE * scale + 0.5));
      SetForeground(parser);
      if (m_height < (3*m_charHeight)/2)
      {
        fontsize1 = (int) ((fontsize * scale + 0.5));
        dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
                          wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
                          false,
                          parser.GetFontName()));
        dc.DrawText(wxT("("),
                    point.x + m_charWidth - m_charWidth1,
                    point.y - m_charHeight1 / 2);
        dc.DrawText(wxT(")"),
                    point.x + m_width - m_charWidth,
                    point.y - m_charHeight1 / 2);
      }
      else
      {
        dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
                          wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
                          false,
                          parser.GetSymbolFontName(),
			  wxFONTENCODING_CP1250));
        dc.DrawText(PAREN_LEFT_TOP,
                    point.x,
                    point.y - m_center);
        dc.DrawText(PAREN_LEFT_BOTTOM,
                    point.x,
                    point.y + m_height - m_center - m_charHeight);
        dc.DrawText(PAREN_RIGHT_TOP,
                    point.x + m_width - m_charWidth,
                    point.y - m_center);
        dc.DrawText(PAREN_RIGHT_BOTTOM,
                    point.x + m_width - m_charWidth,
                    point.y + m_height - m_center - m_charHeight);
        int top, bottom;
        top = point.y - m_center + m_charHeight/2;
        bottom = point.y + m_height - m_center - (4*m_charHeight)/3;
        if (top <= bottom)
        {
          while (top < bottom)
          {
            dc.DrawText(PAREN_LEFT_EXTEND,
			point.x,
			top);
            dc.DrawText(PAREN_RIGHT_EXTEND,
			point.x + m_width - m_charWidth,
			top);
            top += (2*m_charHeight)/3;
          }
          dc.DrawText(PAREN_LEFT_EXTEND,
		      point.x,
		      point.y + m_height - m_center - (3*m_charHeight)/2);
          dc.DrawText(PAREN_RIGHT_EXTEND,
		      point.x + m_width - m_charWidth,
		      point.y + m_height - m_center - (3*m_charHeight)/2);
        }
      }
#else
      in.x = point.x + SCALE_PX(6, scale);
      SetPen(parser);
      // left
      dc.DrawLine(point.x + SCALE_PX(5, scale),
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(1, scale),
                  point.x + SCALE_PX(2, scale),
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale));
      dc.DrawLine(point.x + SCALE_PX(2, scale),
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale),
                  point.x + SCALE_PX(2, scale),
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale));
      dc.DrawLine(point.x + SCALE_PX(2, scale),
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale),
                  point.x + SCALE_PX(5, scale),
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(1, scale));
      // right
      dc.DrawLine(point.x + m_width - SCALE_PX(5, scale) - 1,
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(1, scale),
                  point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale));
      dc.DrawLine(point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale),
                  point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale));
      dc.DrawLine(point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale),
                  point.x + m_width - SCALE_PX(5, scale) - 1,
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(1, scale));
      UnsetPen(parser);
#endif
    }
    m_innerCell->DrawList(parser, in, fontsize);
  }
  MathCell::Draw(parser, point, fontsize);
}
Ejemplo n.º 3
0
void ParenCell::Draw(CellParser& parser, wxPoint point, int fontsize)
{
  if (DrawThisCell(parser, point))
  {
    double scale = parser.GetScale();
    wxDC& dc = parser.GetDC();
    wxPoint in(point);

    if (parser.CheckTeXFonts())
    {
      in.x = point.x + m_signWidth;
      SetForeground(parser);
      int fontsize1 = (int) ((m_parenFontSize * scale + 0.5));
      dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
			wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false,
                        m_bigParenType < 1 ?
			parser.GetTeXCMRI() :
			parser.GetTeXCMEX()));
      if (m_bigParenType < 2)
      {
        dc.DrawText(m_bigParenType == 0 ? wxT("(") :
                                          wxT(PAREN_OPEN),
                    point.x,
                    point.y - m_center + SCALE_PX(MC_TEXT_PADDING, scale) -
                    (m_bigParenType > 0 ? m_signTop : 0));
        dc.DrawText(m_bigParenType == 0 ? wxT(")") :
                                          wxT(PAREN_CLOSE),
                    point.x + m_signWidth + m_innerCell->GetFullWidth(scale),
                    point.y - m_center + SCALE_PX(MC_TEXT_PADDING, scale) -
                    (m_bigParenType > 0 ? m_signTop : 0));
      }
      else {
        int top = point.y - m_center - m_signTop;
        int bottom = point.y + m_height - m_center - m_signTop - m_signSize / 2;
        dc.DrawText(wxT(PAREN_OPEN_TOP),
                    point.x,
                    top);
        dc.DrawText(wxT(PAREN_CLOSE_TOP),
                    point.x + m_signWidth + m_innerCell->GetFullWidth(scale),
                    top);
        dc.DrawText(wxT(PAREN_OPEN_BOTTOM),
                    point.x,
                    bottom);
        dc.DrawText(wxT(PAREN_CLOSE_BOTTOM),
                    point.x + m_signWidth + m_innerCell->GetFullWidth(scale),
                    bottom);
        top = top + m_signSize / 2;

        wxASSERT_MSG(m_signSize>=10,_("Font issue: The Parenthesis sign is too small!"));
        if(m_signSize <= 10)
          m_signSize = 10;

        if (top <= bottom)
        {
          while (top < bottom)
          {
            dc.DrawText(wxT(PAREN_OPEN_EXTEND),
                          point.x,
                          top-1);
            dc.DrawText(wxT(PAREN_CLOSE_EXTEND),
                          point.x + m_width - m_signWidth,
                          top-1);
            top += m_signSize / 10;
          }
        }
      }
    }
    else
    {
#if defined __WXMSW__
      in.x += m_charWidth;
      int fontsize1 = (int) ((PAREN_FONT_SIZE * scale + 0.5));
      SetForeground(parser);
      if (m_height < (3*m_charHeight)/2)
      {
        fontsize1 = (int) ((fontsize * scale + 0.5));
        dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
                          wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
                          false,
                          parser.GetFontName()));
        dc.DrawText(wxT("("),
                    point.x + m_charWidth - m_charWidth1,
                    point.y - m_charHeight1 / 2);
        dc.DrawText(wxT(")"),
                    point.x + m_width - m_charWidth,
                    point.y - m_charHeight1 / 2);
      }
      else
      {
        dc.SetFont(wxFont(fontsize1, wxFONTFAMILY_MODERN,
                          wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
                          false,
                          parser.GetSymbolFontName(),
			  wxFONTENCODING_CP1250));
        dc.DrawText(PAREN_LEFT_TOP,
                    point.x,
                    point.y - m_center);
        dc.DrawText(PAREN_LEFT_BOTTOM,
                    point.x,
                    point.y + m_height - m_center - m_charHeight);
        dc.DrawText(PAREN_RIGHT_TOP,
                    point.x + m_width - m_charWidth,
                    point.y - m_center);
        dc.DrawText(PAREN_RIGHT_BOTTOM,
                    point.x + m_width - m_charWidth,
                    point.y + m_height - m_center - m_charHeight);
        int top, bottom;
        top = point.y - m_center + m_charHeight/2;
        bottom = point.y + m_height - m_center - (4*m_charHeight)/3;

        wxASSERT_MSG(m_charHeight>=2,_("Font issue: The char height is too small! Installing http://www.math.union.edu/~dpvc/jsmath/download/jsMath-fonts.html and checking \"Use JSmath fonts\" in the configuration dialogue should be a workaround."));
        if(m_charHeight <= 2)
          m_charHeight = 2;

        if (top <= bottom)
        {
          while (top < bottom)
          {
            dc.DrawText(PAREN_LEFT_EXTEND,
			point.x,
			top);
            dc.DrawText(PAREN_RIGHT_EXTEND,
			point.x + m_width - m_charWidth,
			top);
            top += (2*m_charHeight)/3;
          }
          dc.DrawText(PAREN_LEFT_EXTEND,
		      point.x,
		      point.y + m_height - m_center - (3*m_charHeight)/2);
          dc.DrawText(PAREN_RIGHT_EXTEND,
		      point.x + m_width - m_charWidth,
		      point.y + m_height - m_center - (3*m_charHeight)/2);
        }
      }
#else
      in.x = point.x + SCALE_PX(6, scale);
      SetPen(parser);
      // left
      dc.DrawLine(point.x + SCALE_PX(5, scale),
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(1, scale),
                  point.x + SCALE_PX(2, scale),
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale));
      dc.DrawLine(point.x + SCALE_PX(2, scale),
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale),
                  point.x + SCALE_PX(2, scale),
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale));
      dc.DrawLine(point.x + SCALE_PX(2, scale),
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale),
                  point.x + SCALE_PX(5, scale),
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(1, scale));
      // right
      dc.DrawLine(point.x + m_width - SCALE_PX(5, scale) - 1,
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(1, scale),
                  point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale));
      dc.DrawLine(point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y - m_innerCell->GetMaxCenter() + SCALE_PX(7, scale),
                  point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale));
      dc.DrawLine(point.x + m_width - SCALE_PX(2, scale) - 1,
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(7, scale),
                  point.x + m_width - SCALE_PX(5, scale) - 1,
                  point.y + m_innerCell->GetMaxDrop() - SCALE_PX(1, scale));
      UnsetPen(parser);
#endif
    }
    m_innerCell->DrawList(parser, in, fontsize);
  }
  MathCell::Draw(parser, point, fontsize);
}