/// <summary>
/// Renders given range of text
/// </summary>
/// <param name="gr">Graphics object</param>
/// <param name="position">Position of the range in absolute control coordinates</param>
/// <param name="range">Rendering range of text</param>
public override void Draw(Graphics gr, Point position, Range range)
{
//draw background
if (BackgroundBrush != null)
{
gr.SmoothingMode = SmoothingMode.None;
var rect = new Rectangle(position.X, position.Y, (range.End.iChar - range.Start.iChar) * range.tb.CharWidth, range.tb.CharHeight);
if (rect.Width == 0)
{
return;
}
gr.FillRectangle(BackgroundBrush, rect);
//
if (ForegroundBrush != null)
{
//draw text
gr.SmoothingMode = SmoothingMode.AntiAlias;
var r = new Range(range.tb, range.Start.iChar, range.Start.iLine,
Math.Min(range.tb[range.End.iLine].Count, range.End.iChar), range.End.iLine);
using (var style = new ZeroitFastTextStyle(ForegroundBrush, null, FontStyle.Regular))
style.Draw(gr, new Point(position.X, position.Y - 1), r);
}
}
}
/// <summary>
/// Gets the CSS.
/// </summary>
/// <param name="styleIndex">Index of the style.</param>
/// <returns>System.String.</returns>
private string GetCss(StyleIndex styleIndex)
{
List <Style> styles = new List <Style>();
//find text renderer
ZeroitFastTextStyle textStyle = null;
int mask = 1;
bool hasZeroitFastTextStyle = false;
for (int i = 0; i < tb.Styles.Length; i++)
{
if (tb.Styles[i] != null && ((int)styleIndex & mask) != 0)
{
if (tb.Styles[i].IsExportable)
{
var style = tb.Styles[i];
styles.Add(style);
bool isZeroitFastTextStyle = style is ZeroitFastTextStyle;
if (isZeroitFastTextStyle)
{
if (!hasZeroitFastTextStyle || tb.AllowSeveralZeroitFastTextStyleDrawing)
{
hasZeroitFastTextStyle = true;
textStyle = style as ZeroitFastTextStyle;
}
}
}
}
mask = mask << 1;
}
//add ZeroitFastTextStyle css
string result = "";
if (!hasZeroitFastTextStyle)
{
//draw by default renderer
result = tb.DefaultStyle.GetCSS();
}
else
{
result = textStyle.GetCSS();
}
//add no ZeroitFastTextStyle css
foreach (var style in styles)
{
// if (style != textStyle)
if (!(style is ZeroitFastTextStyle))
{
result += style.GetCSS();
}
}
return(result);
}
/// <summary>
/// Gets the RTF descriptor.
/// </summary>
/// <param name="styleIndex">Index of the style.</param>
/// <returns>RTFStyleDescriptor.</returns>
private RTFStyleDescriptor GetRtfDescriptor(StyleIndex styleIndex)
{
List <Style> styles = new List <Style>();
//find text renderer
ZeroitFastTextStyle textStyle = null;
int mask = 1;
bool hasZeroitFastTextStyle = false;
for (int i = 0; i < tb.Styles.Length; i++)
{
if (tb.Styles[i] != null && ((int)styleIndex & mask) != 0)
{
if (tb.Styles[i].IsExportable)
{
var style = tb.Styles[i];
styles.Add(style);
bool isZeroitFastTextStyle = style is ZeroitFastTextStyle;
if (isZeroitFastTextStyle)
{
if (!hasZeroitFastTextStyle || tb.AllowSeveralZeroitFastTextStyleDrawing)
{
hasZeroitFastTextStyle = true;
textStyle = style as ZeroitFastTextStyle;
}
}
}
}
mask = mask << 1;
}
//add ZeroitFastTextStyle css
RTFStyleDescriptor result = null;
if (!hasZeroitFastTextStyle)
{
//draw by default renderer
result = tb.DefaultStyle.GetRTF();
}
else
{
result = textStyle.GetRTF();
}
return(result);
}
/// <summary>
/// Initializes the default style.
/// </summary>
public virtual void InitDefaultStyle()
{
DefaultStyle = new ZeroitFastTextStyle(null, null, FontStyle.Regular);
}