private void buttonCalc_Click(object sender, EventArgs e)
{
// try
// {
MathFormula f = new MathFormula(panel.Performer.Formula, UndrawableConverter.Object);
// MathFormula f = MathFormula.FromString(panel.Performer.Formula.Sizes, fs);
f = f.FullTransform(null);
/*FormulaTree tree = new FormulaTree(f);
* FormulaTree der = tree.Deriv(textBoxDerivType.Text);
* der.SimplifyAll();
* derivFormula = der.GetFormula(0, FormulaEditorPanel.sizes);*/
ObjectFormulaTree tree = ObjectFormulaTree.CreateTree(f, ElementaryFunctionsCreator.Object);
ObjectFormulaTree der = tree.Derivation(textBoxDerivType.Text);
//der = ElementaryFormulaSimplification.Object.Simplify(der);//der.SimplifyAll();
MathFormula form = FormulaCreator.CreateFormula(der, (byte)0, MathSymbolFactory.Sizes);
form.Simplify();
derivFormula = new MathFormulaDrawable(form, DrawableConverter.Object);
derivFormula.Position = pointDeriv;
derivFormula.CalculateFullRelativeRectangle();
derivFormula.CalculatePositions();
paintDeriv();
Refresh();
/* }
* catch (System.Exception ex)
* {
* WindowsExtensions.ControlExtensions.ShowMessageBoxModal(this, ex.Message);
* }*/
}
/// <summary>
/// Creates image from formula
/// </summary>
/// <param name="formula">Formula</param>
/// <returns>Image</returns>
public static Image CreateImage(string formula)
{
Image im = new Bitmap(10, 10);
Graphics g = Graphics.FromImage(im);
SimpleSymbolDrawable.Prepare(new int[] { 8, 6, 5, 4 }, g);
MathFormulaDrawable f = new MathFormulaDrawable(MathFormula.FromString(new int[] { 8, 6, 5, 4 }, formula), DrawableConverter.Object);
f.CalculateFullRelativeRectangle();
Rectangle r = f.FullRelativeRectangle;
Point p = new Point(10, -r.Y);
f.Position = p;
f.CalculatePositions();
im = new Bitmap(r.Width + 20, r.Height);
Brush brush = new SolidBrush(Color.White);
g = Graphics.FromImage(im);
g.FillRectangle(brush, 0, 0, im.Width, im.Height);
f.Draw(g);
SimpleSymbolDrawable.Prepare(MathSymbolFactory.Sizes, g);
g.Dispose();
return(im);
}
