/// <summary>
/// Draws multilanguage text with font fallback support
/// </summary>
private static void DrawTextWithFontFallback()
{
using (var bitmap = new Bitmap(400, 200, PixelFormat.Format24bppRgb, RgbColor.White))
using (var graphics = bitmap.GetAdvancedGraphics())
{
var fontRegistry = new CustomFontRegistry();
fontRegistry.Add("../../../../_Input/Fonts/Lobster.ttf");
fontRegistry.Add("../../../../_Input/Fonts/ARIALUNI.TTF");
fontRegistry.FallbackFonts.Add("Arial Unicode MS");
graphics.FontRegistry = fontRegistry;
var dummyText = "Lorem ipsum dolor sit amet, ex mel latine pertinax. 載自大制節規信兵著旋避漂。";
var boundedText = new BoundedText(dummyText, graphics.CreateFont("Lobster", 32f),
new SolidBrush(RgbColor.Black))
{
Rectangle = new System.Drawing.RectangleF(20f, 20f, 360f, 360f)
};
graphics.DrawText(boundedText);
bitmap.Save("../../../../_Output/DrawTextWithFontFallback.png");
}
}
public void UpdateLocalFonts()
{
if (string.IsNullOrEmpty(FontDirectory) || !Directory.Exists(FontDirectory))
{
return;
}
lock (FontRegistry)
FontRegistry = new CustomFontRegistry(AdvancedDrawing.FontRegistry.Installed);
RegisterFonts(FontDirectory);
}
private Configuration() : base("Aurigma.GraphicsMill.AjaxControls.VectorObjects")
{
FontRegistry = new CustomFontRegistry(AdvancedDrawing.FontRegistry.Installed);
SystemFonts = FontRegistry.Fonts
.Select(fontInfo => new FontData(fontInfo)
{
System = true
})
.ToLookup(fd => fd.Family)
.ToDictionary(g => g.Key, g => g.ToList() as IList <FontData>, StringComparer.InvariantCultureIgnoreCase);
if (!string.IsNullOrEmpty(FontDirectory) && Directory.Exists(FontDirectory))
{
RegisterFonts(FontDirectory);
}
}
/// <summary>
/// Adds font to FontRegistry from file and shows its metrics
/// </summary>
private static void LoadFontAndMeasureText()
{
using (var bitmap = new Bitmap(600, 250, PixelFormat.Format24bppRgb, new RgbColor(255, 255, 255, 255)))
using (var graphics = bitmap.GetAdvancedGraphics())
using (var fontRegistry = new CustomFontRegistry())
{
var fontSize = 60f;
// Load custom font
fontRegistry.Add(@"../../../../_Input/Fonts/Lobster.ttf");
graphics.FontRegistry = fontRegistry;
var font = graphics.CreateFont("lobster", fontSize);
// Plain text metrics
var plainText = new PlainText("plain text", font);
plainText.Position = new System.Drawing.PointF(5, plainText.GetBlackBox().Height + 10);
ShowTextPosition(plainText.String, plainText.Position, plainText.GetBlackBox());
DrawPlainTextWithMarkup(plainText, graphics);
// Round text metrics
var roundText = new RoundText("Art round text", font, new System.Drawing.PointF(50, 50))
{
Bend = 0.9f
};
roundText.Center = new System.Drawing.PointF(graphics.Width - roundText.GetBlackBox().Width / 2 - 15,
graphics.Height - roundText.GetBlackBox().Height / 2 - 10);
ShowTextPosition(roundText.String, roundText.Center, roundText.GetBlackBox());
DrawArtTextWithMarkup(roundText, graphics);
bitmap.Save("../../../../_Output/FontLoadingAndTextMeasuring.png");
}
}
/// <summary>
/// Adds font to FontRegistry from file and shows its metrics
/// </summary>
private static void ShowCustomFontMetrics()
{
using (var fontRegistry = new CustomFontRegistry())
{
var fontSize = 30f;
var dpi = 150f;
fontRegistry.Add(@"../../../../_Input/Fonts/Lobster.ttf");
var font = fontRegistry.CreateFont("lobster", fontSize, dpi, dpi);
// Font metrics
Console.WriteLine("Font: {0} {1}", font.Family, font.Style);
Console.WriteLine(" DPI (X,Y): {0},{0}", dpi);
Console.WriteLine(" Size: {0}pt", fontSize);
Console.WriteLine(" Ascender: {0}px", font.Metrics.Ascender);
Console.WriteLine(" Descender: {0}px", font.Metrics.Descender);
Console.WriteLine(" Height: {0}px", font.Metrics.Height);
Console.WriteLine(" Underline position: {0}px", font.Metrics.UnderlinePosition);
Console.WriteLine(" Underline thickness: {0}px", font.Metrics.UnderlineThickness);
Console.WriteLine();
}
}
