protected override void OnPaint(PaintEventArgs e)
{
Graphics g = e.Graphics;
Pen p = null;
// draw control border
if (FShowBorder)
{
using (p = new Pen(Color.FromArgb(127, 157, 185)))
{
g.DrawRectangle(p, 0, 0, Width - 1, Height - 1);
}
}
g.SmoothingMode = SmoothingMode.AntiAlias;
// draw ticks
int size = Math.Min(Width, Height - 30);
int cx = size / 2;
int cy = cx;
int radius = size / 2 - 10;
p = new Pen(Color.Silver);
p.DashStyle = DashStyle.Dot;
g.DrawEllipse(p, 10, 10, size - 20, size - 20);
p.Dispose();
for (int i = 0; i < 360; i += 45)
{
Rectangle rect = new Rectangle(cx + (int)(Math.Cos(Math.PI / 180 * i) * radius) - 2,
cy + (int)(Math.Sin(Math.PI / 180 * i) * radius) - 2, 4, 4);
g.FillEllipse(i == FAngle ? Brushes.DarkOrange : SystemBrushes.Window, rect);
g.DrawEllipse(i == FAngle ? Pens.DarkOrange : Pens.Black, rect);
}
// draw sample
using (StringFormat sf = new StringFormat())
{
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Center;
StandardTextRenderer.Draw(Res.Get("Misc,Sample"), g, Font, SystemBrushes.WindowText,
new RectangleF(cx - radius + 1, cy - radius + 1, radius * 2, radius * 2),
sf, FAngle, 1);
}
}
/// <summary>
/// Draws a text.
/// </summary>
/// <param name="e">Paint event data.</param>
public void DrawText(FRPaintEventArgs e)
{
if (!String.IsNullOrEmpty(Text))
{
Graphics g = e.Graphics;
RectangleF textRect = new RectangleF(
(AbsLeft + Padding.Left) * e.ScaleX,
(AbsTop + Padding.Top) * e.ScaleY,
(Width - Padding.Horizontal) * e.ScaleX,
(Height - Padding.Vertical) * e.ScaleY);
StringFormat format = GetStringFormat(e.Cache, 0);
Font font = e.Cache.GetFont(Font.Name,
IsPrinting ? Font.Size : Font.Size * e.ScaleX * 96f / DrawUtils.ScreenDpi,
Font.Style);
Brush textBrush = null;
if (TextFill is SolidFill)
{
textBrush = e.Cache.GetBrush((TextFill as SolidFill).Color);
}
else
{
textBrush = TextFill.CreateBrush(textRect);
}
Report report = Report;
if (report != null && report.TextQuality != TextQuality.Default)
{
g.TextRenderingHint = GetTextQuality(report.TextQuality);
}
if (textRect.Width > 0 && textRect.Height > 0)
{
if (LineHeight == 0 && HorzAlign != HorzAlign.Justify && !Wysiwyg && !HtmlTags)
{
// use simple rendering
if (Angle == 0 && FontWidthRatio == 1)
{
g.DrawString(Text, font, textBrush, textRect, format);
}
else
{
StandardTextRenderer.Draw(Text, g, font, textBrush, textRect, format, Angle, FontWidthRatio);
}
}
else
{
// use advanced rendering
AdvancedTextRenderer renderer = new AdvancedTextRenderer(Text, g, font, textBrush,
textRect, format, HorzAlign, VertAlign, LineHeight * e.ScaleY, Angle, FontWidthRatio,
ForceJustify, Wysiwyg, HtmlTags, false);
renderer.Draw();
}
}
if (!(TextFill is SolidFill))
{
textBrush.Dispose();
}
if (report != null && report.TextQuality != TextQuality.Default)
{
g.TextRenderingHint = TextRenderingHint.SystemDefault;
}
}
DrawUnderlines(e);
}
