private IIconRenderer GetRenderer(IconFormat format)
{
IIconRenderer renderer = null;
switch (format)
{
case IconFormat.Gif:
case IconFormat.Ico:
case IconFormat.Png:
renderer = new RasterIconRenderer();
break;
//case IconFormat.Svg:
// renderer = new VectorIconRenderer();
// break;
}
renderer.Size = _options.DefaultSize;
renderer.FontName = _options.FontName;
renderer.Background = _options.DefaultBackground;
renderer.Foreground = _options.DefaultForeground;
renderer.IconFormat = _options.Format;
return(renderer);
}
private async Task BuildLetterImage(HttpContext context)
{
IIconRenderer renderer = GetRenderer(_options.Format);
renderer.Text = GetText(context);
Byte[] bytes = await renderer.Render();
SetHeaders(context, bytes.Length);
await context.Response.Body.WriteAsync(bytes, 0, bytes.Length);
}