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(); }
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); }
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); }