public static async Task<Bitmap> GetBitmapAsync (SvgImage svgImage, int width, int height)
{
Bitmap result = null;
Stream svgStream = await SvgService.GetSvgStreamAsync (svgImage).ConfigureAwait (false);
await Task.Run(() =>
{
var svgReader = new SvgReader(new StreamReader(svgStream));
var graphics = svgReader.Graphic;
var scale = 1.0;
if (height >= width)
{
scale = height / graphics.Size.Height;
}
else
{
scale = width / graphics.Size.Width;
}
var canvas = new AndroidPlatform().CreateImageCanvas(graphics.Size, scale);
graphics.Draw(canvas);
var image = (BitmapImage)canvas.GetImage();
result = image.Bitmap;
});
return result;
}
public void DrawText(string text, Rect frame, Font font, TextAlignment alignment = TextAlignment.Left, Pen pen = null, Brush brush = null)
{
if (brush == null)
{
return;
}
var paint = AndroidPlatform.GlobalGetFontPaint(font, alignment);
var w = paint.MeasureText(text);
var fm = paint.GetFontMetrics();
var h = fm.Ascent + fm.Descent;
var point = alignment == TextAlignment.Left
? frame.TopLeft
: alignment == TextAlignment.Center
? (frame.TopLeft + frame.TopRight) / 2
: frame.TopRight;
var fr = new Rect(point, new Size(w, h));
AddBrushPaint(paint, brush, fr);
graphics.DrawText(text, (float)point.X, (float)point.Y, paint);
}
public TextMetrics MeasureText(string text, Font font)
{
return(AndroidPlatform.GlobalMeasureText(text, font));
}
