/// <summary>
/// Calculates relative rectangle with its children
/// </summary>
public static void CalculateFullRelativeRectangle(IDrawableSymbol symbol)
{
SimpleSymbolDrawable.CalculateFullRelativeRectangle(symbol);
//SimpleSymbolDrawable.C
symbol.CalculateRelativeRectangle();
if (symbol is RootSymbol | symbol is FractionSymbol | symbol is BinaryFunctionSymbol)
{
return;
}
if (!(symbol is BracketsSymbolDrawable))
{
return;
}
BracketsSymbolDrawable sym = symbol as BracketsSymbolDrawable;
Rectangle rr = symbol.PureDrawable.RelativeRectangle;
int w = rr.Width;
int up = rr.Y;
MathSymbol ms = symbol as MathSymbol;
MathFormulaDrawable df = ms[0] as MathFormulaDrawable;
Rectangle r1 = df.FullRelativeRectangle;
Rectangle r2 = new Rectangle();
if (ms.Children != null)
{
if (ms.Count > 1)
{
if (ms[1] != null)
{
if (!ms[1].IsEmpty)
{
MathFormulaDrawable dr = ms[1] as MathFormulaDrawable;
r2 = dr.FullRelativeRectangle;
}
}
}
}
sym.h = (int)((double)sym.down / Math.Sin(40.0 * 3.1415926 / 180.0));
sym.warc = (int)((double)sym.h * (1 - Math.Cos(40.0 * 3.1415926 / 180.0)));
int wpow = 0, hpow = 0;
if (sym.Count > 1)
{
sym.h = (int)((double)sym.down / Math.Sin(40.0 * 3.1415926 / 180.0));
sym.warc = (int)((double)sym.h * (1 - Math.Cos(40.0 * 3.1415926 / 180.0)));
if (ms.Count > 1)
{
wpow = r2.Width;
hpow = -r2.Y;
}
}
PureDrawableSymbol pDrawable = symbol.PureDrawable;
pDrawable.FullRelativeRectangleX = 0;
pDrawable.FullRelativeRectangleY = -sym.down - hpow;
pDrawable.FullRelativeRectangleWidth = r1.Width + 2 * sym.warc + 4 + wpow;
pDrawable.FullRelativeRectangleHeight = 2 * sym.down + sym.hpow;
}
/// <summary>
/// Calculates its and its children positions
/// </summary>
public static void CalculatePositions(IDrawableSymbol symbol)
{
SimpleSymbolDrawable.CalculatePositions(symbol);
PureDrawableSymbol pDrawable = symbol.PureDrawable;
pDrawable.InsertedRectX = pDrawable.Rectangle.X;
pDrawable.InsertedRectY = pDrawable.Rectangle.Y;
pDrawable.InsertedRectHeight = pDrawable.Rectangle.Height;
pDrawable.InsertedRectWidth = pDrawable.WidthInsert;
pDrawable.InsertedRectX = pDrawable.InsertedRect.X - pDrawable.WidthInsert / 2;
}
/// <summary>
/// Sets location on toolbar
/// </summary>
/// <param name="x">the x position</param>
/// <param name="y">the y position</param>
/*public void SetLocationOnTable(int x, int y)
* {
* pDrawable.RectForShow.Location = new Point(x, y);
* }*/
public void CalculatePositions()
{
SimpleSymbolDrawable.CalculatePositions(this);
IDrawableSymbol ds = this;
PureDrawableSymbol pDrawable = ds.PureDrawable;
pDrawable.InsertedRectX = pDrawable.Rectangle.X;
pDrawable.InsertedRectY = pDrawable.Rectangle.Y;
pDrawable.InsertedRectHeight = pDrawable.Rectangle.Height;
pDrawable.InsertedRectWidth = pDrawable.WidthInsert;
pDrawable.InsertedRectX = pDrawable.InsertedRect.X - pDrawable.WidthInsert / 2;
}
/// <summary>
/// Draws itself on component
/// </summary>
/// <param name="g">The graphics to draw</param>
/// <param name="brush">The drawing brush</param>
/// <param name="pen">The drawing pen</param>
public static void DrawOnComponent(IDrawableSymbol sym, Graphics g, Brush brush, Pen pen)
{
MathSymbol ms = sym as MathSymbol;
char ch = ms.Symbol;
if ((ch != '\u2216') & (ch != '\u2217') & (ch != '\u8835') & (ch != '\u2295') & (ch != '\u2297')
| MathFormula.Resources.ContainsKey(ms.Symbol + ""))
{
SimpleSymbolDrawable.DrawOnComponent(sym, g, brush, pen);
return;
}
PureDrawableSymbol pDrawable = sym.PureDrawable;
int shift = 8;
string ss = ms.String;
if (ss == null)
{
ss = "" + ch;
}
if (ss.Length == 0)
{
ss += ch;
}
int w = (int)g.MeasureString(ss, BracketsSymbolDrawable.FontB).Width;
int h = pDrawable.RectForShow.Height;
int s = (w < h) ? w : h;
s = (int)(0.6 * (float)s);
int x = pDrawable.RectForShow.X + w / 2;
int y = pDrawable.RectForShow.Y + h / 2;
if (ch == '\u2216')
{
g.DrawLine(PureDrawableSymbol.WidePen, pDrawable.RectForShow.X + shift, pDrawable.RectForShow.Y + pDrawable.RectForShow.Height - shift,
pDrawable.RectForShow.X + pDrawable.RectForShow.Width / 2, pDrawable.RectForShow.Y + shift);
g.DrawLine(PureDrawableSymbol.WidePen, pDrawable.RectForShow.X + pDrawable.RectForShow.Width / 2, pDrawable.RectForShow.Y + shift,
pDrawable.RectForShow.X + pDrawable.RectForShow.Width - shift, pDrawable.RectForShow.Y + pDrawable.RectForShow.Height - shift);
}
else if (ch == '\u2217')
{
g.DrawLine(PureDrawableSymbol.WidePen, pDrawable.RectForShow.X + shift, pDrawable.RectForShow.Y + shift,
pDrawable.RectForShow.X + pDrawable.RectForShow.Width / 2, pDrawable.RectForShow.Y + pDrawable.RectForShow.Height - shift);
g.DrawLine(PureDrawableSymbol.WidePen, pDrawable.RectForShow.X + pDrawable.RectForShow.Width / 2, pDrawable.RectForShow.Y + pDrawable.RectForShow.Height - shift,
pDrawable.RectForShow.X + pDrawable.RectForShow.Width - shift, pDrawable.RectForShow.Y + shift);
}
else if (ch == '\u8835')
{
g.DrawLine(PureDrawableSymbol.WidePen, pDrawable.RectForShow.X + shift, pDrawable.RectForShow.Y + shift,
pDrawable.RectForShow.X + pDrawable.RectForShow.Width / 2, pDrawable.RectForShow.Y + pDrawable.RectForShow.Height - shift);
g.DrawLine(PureDrawableSymbol.WidePen, pDrawable.RectForShow.X + pDrawable.RectForShow.Width / 2, pDrawable.RectForShow.Y + pDrawable.RectForShow.Height - shift,
pDrawable.RectForShow.X + pDrawable.RectForShow.Width - shift, pDrawable.RectForShow.Y + shift);
}
else if (ch == '\u2295')
{
DrawCircledPlus(g, PureDrawableSymbol.LinePen, x, y, s);
}
else if (ch == '\u2297')
{
DrawCircledProduct(g, PureDrawableSymbol.LinePen, x, y, s);
}
}
