void IView.UpdateFontDependentData(string fontName, LogFontSize fontSize)
{
if (drawContext.Font != null)
{
drawContext.Font.Dispose();
}
var oldDpp = drawContext.LineHeight > 0 ? ((IView)this).DisplayLinesPerPage : 0;
drawContext.Font = new LJD.Font(GetFontFamily(fontName).Name, ToFontEmSize(fontSize));
using (var nativeGraphics = CreateGraphics())
using (var tmp = new LJD.Graphics(nativeGraphics))
{
int count = 8 * 1024;
drawContext.CharSize = tmp.MeasureString(new string('0', count), drawContext.Font);
drawContext.CharWidthDblPrecision = (double)drawContext.CharSize.Width / (double)count;
drawContext.CharSize.Width /= (float)count;
drawContext.LineHeight = (int)Math.Floor(drawContext.CharSize.Height);
}
UpdateTimeAreaSize();
if (oldDpp != 0 && oldDpp != ((IView)this).DisplayLinesPerPage && viewEvents != null)
{
viewEvents.OnDisplayLinesPerPageChanged();
}
}
private static int ToFontEmSize(LogFontSize fontSize) // todo: review sizes
{
switch (fontSize)
{
case LogFontSize.SuperSmall: return(6);
case LogFontSize.ExtraSmall: return(7);
case LogFontSize.Small: return(8);
case LogFontSize.Large1: return(10);
case LogFontSize.Large2: return(11);
case LogFontSize.Large3: return(14);
case LogFontSize.Large4: return(16);
case LogFontSize.Large5: return(18);
default: return(14);
}
}
public FontData(string name = null, LogFontSize size = LogFontSize.Normal)
{
Name = name;
Size = size;
}
