Files
HawkeyeVision/Hawkeye.VisionBuilder.Workflow/Operations/Basic/DetectionPaddingOperation.cs
2025-08-19 12:45:50 +02:00

71 lines
2.2 KiB
C#

using Hawkeye.VisionBuilder.Workflow.Datatypes;
using Hawkeye.VisionBuilder.Workflow.Operations.Attributes;
using OpenCvSharp;
namespace Hawkeye.VisionBuilder.Workflow.Operations.Basic;
[Category("Basic")]
public class DetectionPaddingOperation:BaseOperation
{
public int HorizontalPadding { get; set; }
public int VerticalPadding { get; set; }
protected override void InterpretInternal(Context context)
{
if (!CheckImageExists(context)) return;
if (!CheckGrayscale(context)) return;
// fill edges with black on top and bottom without changing the image size
var image = context.ActiveImage;
var newImage = new Mat(image.ImageData.Rows, image.ImageData.Cols, MatType.CV_8UC1, Scalar.Black);
var mask = new Mat(image.ImageData.Rows, image.ImageData.Cols, MatType.CV_8UC1, Scalar.Black);
var maskRoi = mask[VerticalPadding, image.ImageData.Rows - VerticalPadding, HorizontalPadding, image.ImageData.Cols - HorizontalPadding];
//fill the mask with white
maskRoi.SetTo(Scalar.White);
image.ImageData.CopyTo(newImage, mask);
mask.Dispose();
maskRoi.Dispose();
context.ActiveImage = new HawkeyeImage()
{
ImageData = newImage
};
}
public override void Save(BinaryWriter bw)
{
base.Save(bw);
bw.Write(HorizontalPadding);
bw.Write(VerticalPadding);
}
public override void Load(BinaryReader br)
{
base.Load(br);
HorizontalPadding = br.ReadInt32();
VerticalPadding = br.ReadInt32();
}
public override void Save(Dictionary<string, object> dict)
{
base.Save(dict);
dict[nameof(HorizontalPadding)] = HorizontalPadding;
dict[nameof(VerticalPadding)] = VerticalPadding;
}
public override void Load(Dictionary<string, object> dict)
{
base.Load(dict);
if (dict.ContainsKey(nameof(HorizontalPadding)))
HorizontalPadding = Convert.ToInt32(dict[nameof(HorizontalPadding)]);
if (dict.ContainsKey(nameof(VerticalPadding)))
VerticalPadding = Convert.ToInt32(dict[nameof(VerticalPadding)]);
}
}