private void BeforePrepare() { Control control = panelFormula; performer = new FormulaEditor.FormulaEditorPerformer(panelFormula, null); Hashtable table = new Hashtable(); string[,] el = new string[, ] { { "=", "=" }, { "&", "AND" }, { "\u2216", "AND" }, { "\u2217", "OR" }, { "|", "OR" }, { "\u8835", "=>" }, { "l", "LIKE" }, { "p", "=>" }, { "¬", "NOT" }, { "(", "(" }, { ".", "." }, { ":", ":" }, { "?", "?" }, { "<", "<" }, { ">", ">" }, { "+", "+" }, { "-", "-" }, { "*", "*" }, { "=", "=" }, { "/", "/" }, { "﹪", "%" }, { "A", "atan2" }, { "'", "d/dt" } }; for (int i = 0; i < el.GetLength(0); i++) { table[el[i, 0]] = el[i, 1]; } MathFormulaDrawable formula = new MathFormulaDrawable(new MathFormula((byte)0, sizes), DrawableConverter.Object); Color[] cols = new Color[] { Color.FromArgb(216, 203, 187), Color.Black }; performer.SetColors(cols[0], cols[1]); Graphics g = Graphics.FromHwnd(control.Handle); SimpleSymbolDrawable.Prepare(sizes, g); BracketsSymbolDrawable.Prepare(sizes, g); AbsSymbolDrawable.Prepare(sizes, g); }
/// <summary> /// Preparation /// </summary> /// <param name="sx">Variable symbols</param> /// <param name="n">Level</param> /// <param name="sSubscript">Subscripted symbols</param> /// <param name="symbols">Text symbols</param> public void Prepare(string sx, int n, string[,] sSubscript, string[] symbols) { string[] all = symbols; Hashtable table = new Hashtable(); string[,] el = new string[, ] { { "=", "=" }, { "&", "AND" }, { "\u2216", "AND" }, { "\u2217", "OR" }, { "|", "OR" }, { "\u8835", "=>" }, { "l", "LIKE" }, { "p", "=>" }, { "¬", "NOT" }, { "(", "(" }, { ".", "." }, { ":", ":" }, { "?", "?" }, { "<", "<" }, { ">", ">" }, { "+", "+" }, { "-", "-" }, { "*", "*" }, { "/", "/" }, { "﹪", "%" }, { "=", "=" }, { "A", "atan2" }, { "'", "d/dt" } }; for (int i = 0; i < el.GetLength(0); i++) { table[el[i, 0]] = el[i, 1]; } // MathFormula.Resources = table; int[] sizes = MathSymbolFactory.Sizes; int sub = (sSubscript == null) ? 0 : sSubscript.GetLength(0); MathFormulaDrawable formula = new MathFormulaDrawable(new MathFormula((byte)0, sizes), DrawableConverter.Object); Control control = this; performer = new FormulaEditor.FormulaEditorPerformer(control, formula); Color[] cols = new Color[] { Color.FromArgb(216, 203, 187), Color.Black }; performer.SetColors(cols[0], cols[1]); Graphics g = Graphics.FromHwnd(control.Handle); SimpleSymbolDrawable.Prepare(sizes, g); BracketsSymbolDrawable.Prepare(sizes, g); AbsSymbolDrawable.Prepare(sizes, g); if (all != null) { foreach (string str in all) { foreach (char c in str) { performer.Add(new SimpleSymbolDrawable( new SimpleSymbol(c, 0x0, false, false))); } } } string ss = sx; for (int i = 0; i < sub; i++) { performer.Add(new SubscriptedSymbolDrawable(new SubscriptedSymbol(sSubscript[i, 0], sSubscript[i, 1]))); } for (int i = 0; i < ss.Length; i++) { performer.Add(new SimpleSymbolDrawable(new SimpleSymbol(ss[i]))); } string elem = "scletqabjkfgw'\u2211\u03B4\u0442"; for (int i = 0; i < elem.Length; i++) { performer.Add(new SimpleSymbolDrawable(new SimpleSymbol(elem[i], false, (byte)4))); } string integerSym = "ABCDEFGH"; performer.Add(new BinaryFunctionSymbolDrawable(new BinaryFunctionSymbol('A', "atan2"))); for (int i = 0; i < integerSym.Length; i++) { char c = integerSym[i]; performer.Add(new SimpleSymbolDrawable(new SimpleSymbol(c, (byte)4, false, ElementaryIntegerOperation.GetString(c)))); } string numbers = "x0123456789ABCDEF"; for (int i = 0; i < numbers.Length; i++) { performer.Add(new SimpleSymbolDrawable(new SimpleSymbol(numbers[i], false, (byte)5))); } string binary = ".+-*×=><\u2264\u2265\u2260?:&|^\u2266\u2267\u2216\u2217\u8835l\u2270"; //string[,] el = new string[,] {{"\u2216", "AND"}, {"\u2217", "OR"}}; //string binary = ".+-*=><?:&|^\u2217l"; for (int i = 0; i < binary.Length; i++) { performer.Add(new BinarySymbolDrawable(new BinarySymbol(binary[i]))); } string unary = "¬~"; for (int i = 0; i < unary.Length; i++) { performer.Add(new SimpleSymbolDrawable(new SimpleSymbol(unary[i], false, (byte)4))); } performer.Add(new BracketsSymbolDrawable(new BracketsSymbol())); performer.Add(new AbsSymbolDrawable(new AbsSymbol())); performer.Add(new RootSymbolDrawable(new RootSymbol())); performer.Add(new FractionSymbolDrawable(new FractionSymbol())); performer.Add(new BinarySymbolDrawable(MathSymbol.Bra as BinarySymbol)); performer.Add(new SimpleSymbolDrawable(MathSymbol.Ket as SimpleSymbol)); performer.Add(new SimpleSymbolDrawable(new SimpleSymbol('e'))); performer.Add(new SimpleSymbolDrawable(new SimpleSymbol('%', (byte)FormulaConstants.Variable, true, "\u03c0"))); for (int i = 0; i < n; i++) { performer.Add(new SeriesSymbolDrawable(new SeriesSymbol(i))); } int x = 10, y = 10; int bottom = 0; IDrawableSymbol symbol = null; int ns = 0; if (all != null) { foreach (string str in all) { foreach (char c in str) { symbol = performer[ns]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, symbol.StandardWidth, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; ++ns; } bottom = y + symbol.PureDrawable.RectForShow.Height; y = bottom; x = 10; } } if (sub != 0) { for (int i = ns; i < sub + ns; i++) { symbol = performer[i]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, symbol.StandardWidth, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; } bottom = y + symbol.PureDrawable.RectForShow.Height; y = bottom; x = 10; } for (int i = sub + ns; i < sub + ns + ss.Length; i++) { symbol = performer[i]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, 30, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; } bottom = y + symbol.PureDrawable.RectForShow.Height; y = bottom; x = 10; for (int i = ss.Length + ns + sub; i < ss.Length + elem.Length + 2 + sub + ns; i++) { symbol = performer[i]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, symbol.StandardWidth + 10, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; } bottom = y + symbol.PureDrawable.RectForShow.Height; y = bottom; x = 10; for (int i = sub + ns + ss.Length + elem.Length + 1; i < sub + ns + ss.Length + elem.Length + integerSym.Length + 1; i++) { symbol = performer[i]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, symbol.StandardWidth + 10, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; } bottom = y + symbol.PureDrawable.RectForShow.Height; y = bottom; x = 10; for (int i = sub + ns + ss.Length + elem.Length + integerSym.Length + 1; i < sub + ns + ss.Length + elem.Length + numbers.Length + integerSym.Length + 2; i++) { symbol = performer[i]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, symbol.StandardWidth + 10, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; } bottom = y + symbol.PureDrawable.RectForShow.Height; y = bottom; x = 10; for (int i = sub + ns + ss.Length + elem.Length + integerSym.Length + numbers.Length + 1; i < sub + ns + ss.Length + elem.Length + numbers.Length + integerSym.Length + binary.Length + unary.Length + 8 + n; i++) { symbol = performer[i]; Point p = new Point(x, y); MathSymbolDrawable.SetComponentPosition(symbol, p); symbol.PureDrawable.RectForShow = new Rectangle(x, y, symbol.StandardWidth + 10, (int)(1.5 * 20)); x += symbol.PureDrawable.RectForShow.Width; } bottom = y + symbol.PureDrawable.RectForShow.Height; Rectangle r = new Rectangle(80, bottom, 1100, control.Height - bottom - 20); performer.FormulaRectangle = r; Image back = new Bitmap(1200, r.Y + r.Height + 10); g = Graphics.FromImage(back); g.FillRectangle(new SolidBrush(Color.LightGray), 0, 0, back.Width, back.Height); g.DrawRectangle(new Pen(Color.Black), 0, 0, back.Width - 1, back.Height - 1); Font f = new Font("Serif", sizes[0], FontStyle.Bold | FontStyle.Italic); int delta = 15; Brush bBrush = new SolidBrush(Color.Black); g.DrawString("f = ", f, bBrush, 10, r.Y + r.Height / 2 + delta); g.Dispose(); performer.Prepare(back); formula = new MathFormulaDrawable(new MathFormula((byte)0, sizes), DrawableConverter.Object); performer.Formula = formula; performer.InitEventHandlers(); performer.DrawFormula(); }