Size CalculateDrawingStringSize(char[] buffer, int length)
{
RequestFont fontInfo = GetFont();
return(FontService1.MeasureString(buffer, 0, length, fontInfo));
//return this.Root.IFonts.MeasureString(buffer, 0,
// length, fontInfo);
}
public override void CustomDrawToThisCanvas(DrawBoard canvas, Rectangle updateArea)
{
int bWidth = this.Width;
int bHeight = this.Height;
if (!this.HasStyle)
{
canvas.DrawText(this.mybuffer, new Rectangle(0, 0, bWidth, bHeight), 0);
}
else
{
TextSpanStyle style = this.SpanStyle;
switch (EvaluateFontAndTextColor(canvas, style))
{
case DIFF_FONT_SAME_TEXT_COLOR:
{
RequestFont prevFont = canvas.CurrentFont;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
}
break;
case DIFF_FONT_DIFF_TEXT_COLOR:
{
RequestFont prevFont = canvas.CurrentFont;
Color prevColor = canvas.CurrentTextColor;
canvas.CurrentFont = style.FontInfo;
canvas.CurrentTextColor = style.FontColor;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentFont = prevFont;
canvas.CurrentTextColor = prevColor;
}
break;
case SAME_FONT_DIFF_TEXT_COLOR:
{
Color prevColor = canvas.CurrentTextColor;
canvas.CurrentTextColor = style.FontColor;
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
canvas.CurrentTextColor = prevColor;
}
break;
default:
{
canvas.DrawText(this.mybuffer,
new Rectangle(0, 0, bWidth, bHeight),
style.ContentHAlign);
}
break;
}
}
}
public static Size MeasureString(char[] buffer, int start, int len, RequestFont r)
{
return(s_fontService.MeasureString(buffer, start, len, r));
}
public static void CalculateGlyphAdvancePos(char[] buffer, int start, int len, RequestFont font, int[] outputGlyphPos)
{
s_fontService.CalculateGlyphAdvancePos(buffer, start, len, font, outputGlyphPos);
}