public void SetFont(object backend, Xwt.Drawing.Font font)
{
LayoutInfo li = (LayoutInfo)backend;
li.Font = (NSFont)WidgetRegistry.GetBackend(font);
UpdateInfo(li);
}
public static Xwt.Drawing.Font ToXwtFont(this FontDescription font, Xwt.Toolkit withToolkit)
{
var toolkit = withToolkit ?? Xwt.Toolkit.CurrentEngine;
Xwt.Drawing.Font xwtFont = null;
toolkit.Invoke(() => xwtFont = Xwt.Drawing.Font.FromName(font.ToString()));
return(xwtFont);
}
public static double GetLineHeight(Xwt.Drawing.Font font)
{
if (font is null)
{
throw new ArgumentNullException(nameof(font));
}
using (var lm = new NSLayoutManager())
return(lm.DefaultLineHeightForFont(font.ToNSFont()));
}
public static FontDescription ToPangoFont(this Xwt.Drawing.Font font)
{
var backend = Xwt.Toolkit.GetBackend(font) as FontDescription;
if (backend != null)
{
return(backend.Copy());
}
return(FontDescription.FromString(font.ToString()));
}
public static Xwt.Drawing.Font ToXwtFont(this FontDescription font, Xwt.Toolkit withToolkit)
{
var toolkit = withToolkit ?? Xwt.Toolkit.CurrentEngine;
Xwt.Drawing.Font xwtFont = null;
toolkit.Invoke(() => {
xwtFont = Xwt.Drawing.Font.FromName(font.Family + " " + (int)(font.Size / Pango.Scale.PangoScale))
.WithWeight((Xwt.Drawing.FontWeight)font.Weight)
.WithStyle((Xwt.Drawing.FontStyle)font.Style)
.WithStretch((Xwt.Drawing.FontStretch)font.Stretch);
});
return(xwtFont);
}
public static FontDescription ToPangoFont(this Xwt.Drawing.Font font)
{
var backend = Xwt.Toolkit.GetBackend(font) as FontDescription;
if (backend != null)
{
return(backend.Copy());
}
var description = FontDescription.FromString(font.Family + " " + font.Size);
description.Weight = (Pango.Weight)font.Weight;
description.Style = (Pango.Style)font.Style;
description.Stretch = (Pango.Stretch)font.Stretch;
return(description);
}
public static NSFont ToNSFont(this Xwt.Drawing.Font font)
{
if (Xwt.Toolkit.GetBackend(font) is Xwt.Mac.FontData fontData)
{
return(fontData.Font);
}
NSFont result = null;
Xwt.Toolkit.NativeEngine.Invoke(() => {
var nativeXwtFont = Xwt.Drawing.Font.FromName(font.ToString());
if (Xwt.Toolkit.GetBackend(nativeXwtFont) is Xwt.Mac.FontData fontData)
{
result = fontData.Font;
}
});
return(result);
}
public override void SetFont(object backend, Xwt.Drawing.Font font)
{
var tl = (DroidTextLayoutBackend)backend;
tl.Font = (FontData)font.GetBackend();
}
public override void SetFont(object backend, Xwt.Drawing.Font font)
{
}
/// <summary>
/// Converts XWT font to WinForms (GDI+) font
/// </summary>
/// <param name="originalfont">The original XWT font</param>
/// <returns>The resultating GDI+ font</returns>
private System.Drawing.Font ConvertXwtFont(Xwt.Drawing.Font originalfont)
{//todo: обработка font.style'в
System.Drawing.Font newfont = new System.Drawing.Font(originalfont.Family, (float)originalfont.Size);
return(newfont);
}
public override void SetFont(object backend, Xwt.Drawing.Font font)
{
var tl = (HtmlTextLayoutBackend)backend;
tl.Font = font;
}
