public static void Generate(string text, Font font)
{
using (Image <Rgba32> img = new Image <Rgba32>(1000, 1000))
{
img.Mutate(x => x.Fill(Rgba32.White));
SixLabors.Primitives.RectangleF box = TextMeasurer.MeasureBounds(text, new RendererOptions(font));
(SixLabors.Shapes.IPathCollection paths, SixLabors.Shapes.IPathCollection boxes, SixLabors.Shapes.IPath textBox) = TextBuilder.GenerateGlyphsWithBox(text, new RendererOptions(font));
Rgba32 f = Rgba32.Fuchsia;
f.A = 128;
img.Mutate(x => x.Fill(Rgba32.Black, paths)
.Draw(f, 1, boxes)
.Draw(Rgba32.Lime, 1, new SixLabors.Shapes.RectangularPolygon(box)));
img.Save("Output/Boxed.png");
}
}
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.
}
}
public static Image <Rgba32> GetDifferenceImage(Image <Rgba32> expected, byte[,] differences)
{
var differenceImage = expected.Clone();
IBrush <Rgba32> brush = Brushes.Percent20(Rgba32.Magenta);
for (var y = 0; y < differences.GetLength(1); y++)
{
for (var x = 0; x < differences.GetLength(0); x++)
{
var cellValue = differences[x, y];
if (cellValue > 0)
{
var cellRectangle =
new RectangleF((float)x * CellSize, (float)y * CellSize, CellSize, CellSize);
differenceImage.Mutate(i => i.Fill(new GraphicsOptions(), brush, cellRectangle));
}
}
}
return(differenceImage);
}