Using the system.drawing library in .net-core, is it possible given path:
var bitmap = new Bitmap(1024, 512);
var graphics = Graphics.FromImage(bitmap);
var curve = new[] { new PointF(0f, 0f), new PointF(32f, 31.794779f), new PointF(64f, 62.367702f), new PointF(96f, 90.54387f), new PointF(128f, 115.24048f), new PointF(160f, 135.50848f), new PointF(192f, 150.56894f), new PointF(223.99998f, 159.84314f), new PointF(255.99998f, 162.97466f), new PointF(287.99997f, 159.84315f), new PointF(319.99997f, 150.56895f), new PointF(351.99997f, 135.50848f), new PointF(384f, 115.24048f), new PointF(416f, 90.54386f), new PointF(448f, 62.367676f), new PointF(480.00003f, 31.794739f), new PointF(512.00006f, -5.3103886E-05f), new PointF(544.00006f, -31.794844f), new PointF(576.00006f, -62.36777f), new PointF(608.00006f, -90.543945f), new PointF(640.00006f, -115.24056f), new PointF(672.00006f, -135.50854f), new PointF(704.0001f, -150.569f), new PointF(736.0001f, -159.84317f), new PointF(768.0001f, -162.97466f), new PointF(800.0001f, -159.84311f), new PointF(832.0001f, -150.56888f), new PointF(864.0002f, -135.50836f), new PointF(896.0002f, -115.24033f), new PointF(928.0002f, -90.543686f), new PointF(960.0002f, -62.36748f), new PointF(992.0002f, -31.794533f), new PointF(1024f, 2.8495393E-05f) };
var path = new GraphicsPath();
path.AddCurve(curve);
graphics.TranslateTransform(0, 256);
graphics.DrawPath(new Pen(Color.Black, 16), path);
graphics.ResetTransform();
graphics.Dispose();
bitmap.Save("outline.png", ImageFormat.Png);
To use an arbitary gradient:
To draw a gradient outline that starts at the outer edges of the shape and progresses outwards to look like this?
(Example was created via photopea.com layer style stroke, with a "Shape Burst" style gradient)