public IImage Resize(float width, float height, ResizeMode resizeMode = ResizeMode.Fit, bool disposeOriginal = false)
{
using (var context = new NativeBitmapExportContext((int)width, (int)height))
{
var fx = width / Width;
var fy = height / Height;
var w = Width;
var h = Height;
var x = 0f;
var y = 0f;
if (resizeMode == ResizeMode.Fit)
{
if (fx < fy)
{
w *= fx;
h *= fx;
}
else
{
w *= fy;
h *= fy;
}
x = (width - w) / 2;
y = (height - h) / 2;
}
else if (resizeMode == ResizeMode.Bleed)
{
if (fx > fy)
{
w *= fx;
h *= fx;
}
else
{
w *= fy;
h *= fy;
}
x = (width - w) / 2;
y = (height - h) / 2;
}
else
{
w = width;
h = height;
}
context.Canvas.DrawImage(this, x, y, w, h);
return(context.Image);
}
}
public static Bitmap GetPatternBitmap(this Paint paint, float scale = 1)
{
var pattern = paint?.Pattern;
if (pattern == null)
{
return(null);
}
using (var context = new NativeBitmapExportContext((int)(pattern.Width * scale), (int)(pattern.Height * scale), scale, disposeBitmap: false))
{
var canvas = context.Canvas;
canvas.Scale(scale, scale);
pattern.Draw(canvas);
return(context.Bitmap);
}
}
