public static FontFamily GetIconFontFamily(IconFontFamilyEnum fontFamily)
{
FontFamily family = fontCollection.Families[0];
foreach (var ff in fontCollection.Families)
{
if (String.Equals(ff.Name, fontFamily.ToString(), StringComparison.InvariantCultureIgnoreCase))
{
family = ff;
break;
}
}
return(family);
}
public static Bitmap RenderFontIcon(IconFontFamilyEnum fontFamily, string symbol, int iconSize, Color fontColor, Color bgColor, Point margins, int angle)
{
var bitmap = new Bitmap(iconSize, iconSize);
var icoChar = NormalizeSymbol(symbol);
using (var graphics = Graphics.FromImage(bitmap))
using (var brush = new SolidBrush(fontColor))
using (var path = new GraphicsPath())
using (var translate = new Matrix())
{
var font = GetAdjustedFont(fontFamily, graphics, icoChar, iconSize, iconSize);
graphics.Clear(bgColor);
graphics.SmoothingMode = SmoothingMode.AntiAlias;
graphics.TextRenderingHint = TextRenderingHint.AntiAlias;
//#if DEBUG
// using (Pen p = new Pen(fontColor))
// graphics.DrawRectangle(p, new Rectangle(0, 0, bitmap.Width - 1, bitmap.Height - 1));
//#endif
var stringFormat = new StringFormat(StringFormat.GenericTypographic)
{
Alignment = StringAlignment.Center,
LineAlignment = StringAlignment.Center
};
path.AddString(icoChar, font.FontFamily, (int)font.Style, iconSize, new Point(0, 0), stringFormat);
var area = Rectangle.Round(path.GetBounds());
var bounds = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
var offset = new Point(bounds.Left + (bounds.Width - area.Width) / 2 - area.Left,
bounds.Top + (bounds.Height - area.Height) / 2 - area.Top);
offset = Point.Add(offset, new Size(margins));
translate.Translate(offset.X, offset.Y);
translate.Rotate(angle);
path.Transform(translate);
graphics.FillPath(brush, path);
font.Dispose();
}
return(bitmap);
}
private static Font GetAdjustedFont(IconFontFamilyEnum fontFamily, Graphics g, string symbol, int containerWidth, int maxFontSize)
{
float minFontSize = 8.25f;
Font f1 = GetIconFont(fontFamily, (float)maxFontSize);
//return f1;
for (double adjustedSize = maxFontSize; adjustedSize >= minFontSize; adjustedSize = adjustedSize - 1.5)
{
Font testFont = GetIconFont(fontFamily, (float)adjustedSize);
SizeF adjustedSizeNew = g.MeasureString(symbol, testFont);
if (containerWidth > Convert.ToInt32(adjustedSizeNew.Width) && containerWidth > Convert.ToInt32(adjustedSizeNew.Height))
{
return(testFont);
}
}
return(GetIconFont(fontFamily, minFontSize));
}
public static Bitmap RenderFontIcon(IconFontFamilyEnum fontFamily, string symbol, int iconSize, Color fontColor, Color bgColor, Point margins)
{
return(RenderFontIcon(fontFamily, symbol, iconSize, fontColor, Color.Transparent, margins, 0));
}
public static Bitmap RenderFontIcon(IconFontFamilyEnum fontFamily, string symbol, int iconSize, Color fontColor)
{
return(RenderFontIcon(fontFamily, symbol, iconSize, fontColor, Color.Transparent, Point.Empty));
}
public static Font GetIconFont(IconFontFamilyEnum fontFamily, float size)
{
FontFamily family = GetIconFontFamily(fontFamily);
return(new Font(family, size, GraphicsUnit.Point));
}
