private void DrawBoundingBox(Image image, AABBBoundingBoxItemWithText boundingBoxWithText)
{
const int boundingBoxThickness = 5;
Random rand = new Random();
IPen pen = Pens.Solid(Color.FromRgb((byte)rand.Next(byte.MinValue, byte.MaxValue), (byte)rand.Next(byte.MinValue, byte.MaxValue), (byte)rand.Next(byte.MinValue, byte.MaxValue)), boundingBoxThickness);
IPath boundingBoxPath = boundingBoxWithText.BoundingBox.AsRectangularPolygon();
image.Mutate(context =>
{
context.Draw(pen, boundingBoxPath);
context.DrawText(boundingBoxWithText.Text, _textFont, Color.Black, new PointF(boundingBoxWithText.BoundingBox.Min.X, boundingBoxWithText.BoundingBox.Min.Y - (boundingBoxThickness * 3)));
});
}
public static Rgba32 HexToColor(string hexString)
{
if (hexString.ToLower() == "transparent")
{
return(Color.Transparent);
}
try
{
var drawingColor = System.Drawing.ColorTranslator.FromHtml("#" + hexString);
return(Color.FromRgb(drawingColor.R, drawingColor.G, drawingColor.B));
}
catch (Exception ex)
{
}
return(Color.FromRgb(254, 254, 254));
}
public byte[] CreateImage()
{
var buildQueue = CreateBuildQueue();
if (buildQueue == null)
{
return(null);
}
var cropColours = new List <Rgba32>();
if (this.CropImage)
{
if (this.RenderBackground)
{
cropColours.Add(Color.FromRgb(142, 142, 94));
cropColours.Add(Color.FromRgb(152, 152, 101));
}
else
{
cropColours.Add(HexToColor(this.RenderCanvasColour));
}
}
using (var canvas = this.DrawingCanvas)
{
foreach (var asset in buildQueue)
{
var image = SixLabors.ImageSharp.Image.Load <Rgba32>(asset.GetImagePath());
if (asset.Alpha != -1)
{
TintImage(image, "FFFFFF", (byte)asset.Alpha);
}
if (asset.ColourCode != null)
{
TintImage(image, asset.ColourCode, 255);
}
if (asset.Shadow)
{
image.Mutate(ctx =>
{
ctx.Opacity(0.2f);
});
}
var graphicsOptions = new GraphicsOptions();
if ((asset.Ink == "ADD" || asset.Ink == "33"))
{
graphicsOptions.ColorBlendingMode = PixelColorBlendingMode.Add;
}
else
{
graphicsOptions.ColorBlendingMode = PixelColorBlendingMode.Normal;
}
canvas.Mutate(ctx =>
{
ctx.DrawImage(image, new SixLabors.ImageSharp.Point(canvas.Width - asset.ImageX, canvas.Height - asset.ImageY), graphicsOptions);
});
}
using (Bitmap tempBitmap = canvas.ToBitmap())
{
if (CropImage && cropColours.Count > 0)
{
var temp = canvas.ToBitmap();
// Crop the image
using (Bitmap croppedBitmap = ImageUtil.TrimBitmap(tempBitmap, cropColours.ToArray()))
{
return(RenderImage(croppedBitmap));
}
}
else
{
return(RenderImage(tempBitmap));
}
}
}
}