/// <summary>
/// Measures the bounds of the container
/// </summary>
public virtual void MeasureBounds()
{
htmlContainer.SetBounds(this is HtmlLabel ? new Rectangle(0, 0, 10, 10) : ClientRectangle);
using (Graphics g = CreateGraphics())
{
htmlContainer.MeasureBounds(g);
}
AutoScrollMinSize = Size.Round(htmlContainer.MaximumSize);
}
/// <summary>
/// Renders the specified HTML source on the specified area clipping if specified
/// </summary>
/// <param name="g">Device to draw</param>
/// <param name="html">HTML source</param>
/// <param name="area">Area where HTML should be drawn</param>
/// <param name="clip">If true, it will only paint on the specified area</param>
public static void Render(Graphics g, string html, RectangleF area, bool clip)
{
var container = new InitialContainer(html);
Region prevClip = g.Clip;
if (clip)
{
g.SetClip(area);
}
container.SetBounds(area);
container.MeasureBounds(g);
container.Paint(g);
if (clip)
{
g.SetClip(prevClip, CombineMode.Replace);
}
}
private void HtmlToolTip_Popup(object sender, PopupEventArgs e)
{
string text = GetToolTip(e.AssociatedControl);
string font = string.Format(NumberFormatInfo.InvariantInfo, "font: {0}pt {1}", e.AssociatedControl.Font.Size,
e.AssociatedControl.Font.FontFamily.Name);
//Create fragment container
container =
new InitialContainer("<table class=htmltooltipbackground cellspacing=5 cellpadding=0 style=\"" + font +
"\"><tr><td style=border:0px>" + text + "</td></tr></table>");
container.SetBounds(new Rectangle(0, 0, 10, 10));
container.AvoidGeometryAntialias = true;
//Measure bounds of the container
using (Graphics g = e.AssociatedControl.CreateGraphics())
{
container.MeasureBounds(g);
}
//Set the size of the tooltip
e.ToolTipSize = Size.Round(container.MaximumSize);
}
