public static void DrawBullet(Graphics g, Color color, Bullet.style bulletStyle, SizeF stringfSize, PointF textPosition)
{
RectangleF rectF = new RectangleF(textPosition, stringfSize);
PointF[] bullet = new PointF[7];
bullet[0] = new PointF(rectF.X, rectF.Y);
bullet[1] = new PointF(rectF.X + rectF.Width, rectF.Y);
bullet[2] = new PointF(rectF.X + rectF.Width + (rectF.Height / 2), rectF.Y + (rectF.Height / 2));
bullet[3] = new PointF(rectF.X + rectF.Width, rectF.Y + rectF.Height);
bullet[4] = new PointF(rectF.X, rectF.Y + rectF.Height);
bullet[5] = new PointF(rectF.X - (rectF.Height / 2), rectF.Y + (rectF.Height / 2));
bullet[6] = new PointF(rectF.X, rectF.Y);
if ((bulletStyle == Bullet.style.Left) || (bulletStyle == Bullet.style.None))
{
bullet[2] = bullet[1];
}
if ((bulletStyle == Bullet.style.Right) || (bulletStyle == Bullet.style.None))
{
bullet[5] = bullet[4];
}
//g.FillPolygon(new SolidBrush(Color.White), bullet);
g.DrawLines(new Pen(color), bullet);
}
/// <summary>
/// Get color from tag (<color=red> return Color.Red)
/// </summary>
static public bool GetBulletStyle(string sText, out Bullet.style bulletStyle)
{
bulletStyle = Bullet.style.None;
string sToDraw = sText;
if (sToDraw.Contains("<bullet=") && sToDraw.Contains("</bullet>"))
{
Regex regex = new Regex("<bullet=(.*?)>");
var v = regex.Match(sText);
string sValue = v.Groups[1].ToString();
if (sValue == Bullet.style.None.ToString())
{
bulletStyle = Bullet.style.None;
}
if (sValue == Bullet.style.Left.ToString())
{
bulletStyle = Bullet.style.Left;
}
if (sValue == Bullet.style.Right.ToString())
{
bulletStyle = Bullet.style.Right;
}
if (sValue == Bullet.style.Both.ToString())
{
bulletStyle = Bullet.style.Both;
}
return(true);
}
return(false);
}
private void PanelPreview_Paint(object sender, PaintEventArgs e)
{
string sResult = "";
if (IsComplexExpression(Expression))
{
Expression = TB_Advanced.Text;
sResult = Compute(Expression);
sResult = Python.Script.Evaluate(sResult);
}
else
{
Expression = TB_Simple.Text;
sResult = Compute(Expression);
}
if (string.IsNullOrEmpty(sResult))
{
return;
}
var g = e.Graphics;
var p = sender as Panel;
var format = new StringFormat {
Alignment = StringAlignment.Near
};
Font textFont = new System.Drawing.Font("Arial", 10);
RectangleF currentView = new RectangleF(PanelPreview.DisplayRectangle.X + 10, PanelPreview.DisplayRectangle.Y + 10, PanelPreview.DisplayRectangle.Width, PanelPreview.DisplayRectangle.Height);
RectangleF labelBounds = TextExpression.GetComputedLabelBounds(g, sResult, textFont, format, currentView, 1.0F);
RectangleF fTitleClip = new RectangleF();
string[] sSplitted = sResult.Split('\n');
PointF pos = new PointF(labelBounds.X, labelBounds.Y);
foreach (string sSplit in sSplitted)
{
using (var gp2 = new GraphicsPath())
{
FontStyle fontStyle = TextExpression.GetFontFromTag(sSplit);
FontFamily fontFamily = textFont.FontFamily;
FontFamily customFontFamily = null;
if (TextExpression.GetFontFamilyFromTag(sSplit, out customFontFamily))
{
fontFamily = customFontFamily;
}
Font newFont = new Font(fontFamily, TextExpression.GetSizeFromTag(sSplit, textFont.SizeInPoints));
Color textColor = Color.Black;
Color tempColor = Color.Black;
if (TextExpression.GetColorFromTag(sSplit, out tempColor))
{
textColor = tempColor;
}
Bullet.style bulletStyle = Bullet.style.None;
bool bDrawBullet = TextExpression.GetBulletStyle(sSplit, out bulletStyle);
string sTextWithoutTag = TextExpression.GetTextWithoutTag(sSplit);
SizeF stringfSize = g.MeasureString(sTextWithoutTag, newFont);
if (!TextExpression.IsMorse(sSplit))
{
PointF textPosition = new PointF(pos.X, pos.Y);
if (TextExpression.IsTitle(sSplit))
{
textPosition = new PointF((labelBounds.X + labelBounds.Width / 2) - (stringfSize.Width / 2), labelBounds.Y);
fTitleClip = new RectangleF(textPosition, stringfSize);
//gp2.AddString(sTextWithoutTag, newFont.FontFamily, (int)fontStyle, newFont.Size * g.DpiY / 72F, textPosition, format);
e.Graphics.DrawString(sTextWithoutTag, newFont, new SolidBrush(textColor), textPosition, format);
labelBounds = new RectangleF(labelBounds.X, labelBounds.Y + (stringfSize.Height / 2), labelBounds.Width, labelBounds.Height - (stringfSize.Height / 2));
}
else
{
//gp2.AddString(sTextWithoutTag, newFont.FontFamily, (int)fontStyle, newFont.Size * g.DpiY / 72F, textPosition, format);
if (bulletStyle == Bullet.style.Left || bulletStyle == Bullet.style.Both)
{
textPosition.X += (stringfSize.Height / 2);
}
e.Graphics.DrawString(sTextWithoutTag, newFont, new SolidBrush(textColor), textPosition, format);
}
// Draw a limit above the text if needed
TextExpression.DrawUpperScore(g, sSplit, textPosition, textColor, newFont, 1.0F);
TextExpression.DrawUnderScore(g, sSplit, textPosition, textColor, newFont, 1.0F);
if (bDrawBullet)
{
TextExpression.DrawBullet(g, textColor, bulletStyle, stringfSize, textPosition);
}
pos.Y += stringfSize.Height;
}
else
{
TextExpression.DrawMorseText(g, gp2, ref pos, sSplit, newFont, fontStyle, StringAlignment.Near, labelBounds);
}
// Draw a label
//g.FillPath(new SolidBrush(textColor), gp2);
gp2.Dispose();
}
}
e.Graphics.DrawRectangle(new Pen(Color.Black), (int)labelBounds.X, (int)labelBounds.Y, (int)labelBounds.Width, (int)labelBounds.Height);
}
