/// <summary>
/// Draw rectangles onto a file
/// </summary>
/// <param name="path"></param>
/// <param name="rects"></param>
/// <param name="output"></param>
public static void DrawRects(string path, List <Rectangle> rects, string output)
{
using var image = Image.Load <Rgba32>(path);
foreach (var rect in rects)
{
var pen = new Pen(Color.HotPink, 7);
image.Mutate(x => x.AutoOrient());
image.Mutate(x => DrawRectangleExtensions.Draw(x, pen, rect));
}
image.Save(output);
}
private void DrawRectangle(CognitiveResult face, string imgPath)
{
int x0 = face.faceRectangle.left;
int y0 = face.faceRectangle.top;
int width = face.faceRectangle.width;
int height = face.faceRectangle.height;
SixLabors.Primitives.RectangleF recc = new SixLabors.Primitives.RectangleF(x0, y0, width, height);
float thick = 4;
using (Image <Rgba32> image = Image.Load(imgPath))
{
image.Mutate(DrawRectangleExtensions => DrawRectangleExtensions.Draw(
color: boxColor,
thickness: thick,
shape: recc
)
);
image.Save("tmpFace.jpg"); // Automatic encoder selected based on extension.
}
}