/// <summary>
/// We kind of just chuck weak references to font instances into this dictionary and let them die on their own when all elements using them are disposed.
/// </summary>
private static Font Create_New_Font(FontOptions Options)
{
float Size = (float)Options.Size;
FontStyle Style = FontStyle.Regular;
switch (Options.Style)
{
case EFontStyle.Normal:
Style = FontStyle.Regular;
break;
case EFontStyle.Italic:
case EFontStyle.Oblique:
Style = FontStyle.Italic;
break;
}
if (Options.Weight >= 600)
{
Style = FontStyle.Bold;
}
FontFamily family = null;
// Try to find the user specified fonts
family = FontManager.Select_From_List(Options.Families, Style, Options.Weight);
if (family == null)
{
family = FontManager.Select_From_List(FontManager.Fallbacks, Style, Options.Weight);
}
return(family.CreateFont(Size, Style));
}
public static Font Get(FontOptions Options)
{
// Check if we have this font cached
if (Cache.TryGetValue(Options, out WeakReference <Font> ptr))
{// check if its still alive
if (ptr.TryGetTarget(out Font f))
{
return(f);
}
}
Font font = Create_New_Font(Options);
if (font != null)
{
Cache[Options] = new WeakReference <Font>(font);
}
return(font);
}
