private SKData ToSkData(string captcha, int width, int height, Color color)
{
SKImageInfo inf = new SKImageInfo(width, height, SKImageInfo.PlatformColorType, SKAlphaType.Premul);
using (SKSurface surface = SKSurface.Create(inf))
{
SKCanvas canvas = surface.Canvas;
// Your drawing code goes here.
canvas.Clear(SKColors.White);
using (var paint = new SKPaint())
{
paint.TextSize = 10;
paint.Typeface = SKTypeface.FromFamilyName(null, SKFontStyleWeight.Bold, SKFontStyleWidth.Normal, SKFontStyleSlant.Upright);
paint.IsAntialias = true;
paint.IsStroke = false;
canvas.ClippingText(inf, captcha, paint);
canvas.Flush();
}
// set up drawing tools
using (var paint = new SKPaint())
{
paint.TextSize = 12;
paint.IsAntialias = true;
paint.Typeface = SKTypeface.FromFamilyName(null, SKFontStyleWeight.Bold, SKFontStyleWidth.Normal, SKFontStyleSlant.Oblique);
paint.Color = new SKColor(color.R, color.G, color.B, color.A);
paint.IsStroke = false;
canvas.FillWithRandomText(inf, paint);
canvas.Flush();
}
return(surface.Snapshot().Encode());
}
}
