public void WriteImage(SDK.ExportContext stream, IMAGE32 image, IMAGEENCODER encoder)
{
if (image == null)
{
return;
}
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (encoder == null)
{
throw new ArgumentNullException(nameof(encoder));
}
if (PostProcessing != null)
{
foreach (var xform in PostProcessing)
{
image.Mutate(dc => xform(dc));
}
}
encoder?.Invoke(stream, image);
}
protected override IMAGE32 Evaluate()
{
var size = new SixLabors.Primitives.Size(Width, Height);
var result = new IMAGE32(size.Width, size.Height);
using (var target = new IMAGE32(size.Width, size.Height))
{
var substrate = Epsylon.ImageSharp.Procedural.Processing.Substrate.Create(target, RandomSeed.GetRandomSeedHash(), Palette);
for (int i = 0; i < Iterations; ++i)
{
this.SetProgressPercent(i * 100 / Iterations);
substrate.DrawStep();
}
result.Mutate
(
dc =>
{
dc.Fill(Rgba32.White);
dc.DrawImage(target, 1);
}
);
return(result);
}
}
protected override IMAGE32 Evaluate()
{
var img = new IMAGE32(this.Width, this.Height);
img.Mutate(dc => dc.BackgroundColor(new PIXEL32(Color)));
return(img);
}
protected override IMAGE32 Evaluate()
{
var img = new IMAGE32(this.Width, this.Height);
img.Mutate(dc => dc.FillCheckers(this.CellWidth, this.CellHeight, new PIXEL32(OddColor), new PIXEL32(EvenColor)));
return(img);
}
public static Object CreatePreview(this IMAGE32 image, UberFactory.SDK.PreviewContext context)
{
if (image == null)
{
return(null);
}
if (true)
{
var sinfo = image.GetSubjectInfo();
if (sinfo != null)
{
var l0 = sinfo.Center + new Size(3, 0);
var l1 = sinfo.Center + new Size(3, 0);
image.Mutate(dc => dc.DrawLines(COLOR.Red, 1, l0, l1));
l0 = sinfo.Center + new Size(0, 3);
l1 = sinfo.Center - new Size(0, 3);
image.Mutate(dc => dc.DrawLines(COLOR.Red, 1, l0, l1));
if (sinfo.Size.HasValue)
{
image.Mutate(dc => dc.DrawPolygon(COLOR.Red, 1, sinfo.BoundsFloat.Get4Points()));
}
}
}
var date = DateTime.Now.ToString("yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture);
var time = DateTime.Now.ToString("hhmmss", System.Globalization.CultureInfo.InvariantCulture);
var files = context.CreateMemoryFile($"preview-{date}-{time}.png");
files.WriteStream(s => image.SaveAsPng(s));
image.Dispose();
return(files);
}
public static IMAGE32 RenderText(this SixLabors.Fonts.FontFamily ffamily, string text, float fsize, float padding, COLOR color, TextGraphicsOptions options)
{
// http://sixlabors.com/2017/04/08/watermarks/
if (string.IsNullOrEmpty(text))
{
return(null);
}
var font = new SixLabors.Fonts.Font(ffamily, fsize);
var roptions = new SixLabors.Fonts.RendererOptions(font, 96);
var size = SixLabors.Fonts.TextMeasurer.Measure(text, roptions);
var w = (int)Math.Ceiling(size.Width + padding * 2);
var h = (int)Math.Ceiling(size.Height + padding * 2);
var img = new IMAGE32(w, h);
img.Mutate(dc => dc.DrawText(options, text, font, color, new System.Numerics.Vector2(padding, padding)));
return(img);
}