void Canvas_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.PageUp)
{
ImageScale += ScaleIncrement;
}
if (e.KeyCode == Keys.PageDown)
{
ImageScale -= ScaleIncrement;
}
if (e.Control && e.KeyCode == Keys.Z)
{
commandExecutor.Undo();
}
if (e.Control && e.KeyCode == Keys.Y)
{
commandExecutor.Redo();
}
if (e.Control && e.KeyCode == Keys.V)
{
var roiText = (string)Clipboard.GetData(DataFormats.Text);
try
{
var mousePosition = PointToClient(MousePosition);
var offset = NormalizedLocation(mousePosition.X, mousePosition.Y);
var roiData = (float[])ArrayConvert.ToArray(roiText, 1, typeof(float));
var center = new Point2f(offset.X, offset.Y);
var size = new Size2f(roiData[0], roiData[1]);
var roi = new RotatedRect(center, size, 0);
var selection = selectedRoi;
commandExecutor.Execute(
() => AddRegion(roi),
() => { regions.Remove(roi); SelectedRegion = selection; });
}
catch (ArgumentException) { }
catch (InvalidCastException) { }
catch (FormatException) { }
}
if (selectedRoi.HasValue)
{
if (e.Control && e.KeyCode == Keys.C)
{
var roi = regions[selectedRoi.Value];
var roiData = new[] { roi.Size.Width, roi.Size.Height };
Clipboard.SetData(DataFormats.Text, ArrayConvert.ToString(roiData));
}
if (e.KeyCode == Keys.Delete)
{
var selection = selectedRoi.Value;
var region = regions[selection];
commandExecutor.Execute(
() => { regions.RemoveAt(selection); SelectedRegion = null; },
() => { regions.Insert(selection, region); SelectedRegion = selection; });
}
}
}
protected override string GetDisplayText(object value)
{
var group = (GroupedRegions)value;
var name = string.IsNullOrEmpty(group.Name) ? "Group" : group.Name;
var regions = group.Regions;
if (regions == null || regions.Length == 0)
{
return(name);
}
else
{
return(string.Format("{0} ({1})", name, ArrayConvert.ToString(group.Regions)));
}
}
/// <summary>
/// Converts the given value object to the specified type, using the specified
/// context and culture information.
/// </summary>
/// <param name="context">
/// An <see cref="ITypeDescriptorContext"/> that provides a format context.
/// </param>
/// <param name="culture">
/// A <see cref="CultureInfo"/>. If <b>null</b> is passed, the current culture
/// is assumed.
/// </param>
/// <param name="value">The <see cref="Object"/> to convert.</param>
/// <param name="destinationType">The <see cref="Type"/> to convert the value parameter to.</param>
/// <returns>An <see cref="Object"/> that represents the converted value.</returns>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (value != null && destinationType == typeof(string))
{
var mat = (Mat)value;
var array = new float[mat.Rows, mat.Cols];
using (var arrayHeader = Mat.CreateMatHeader(array))
{
CV.Convert(mat, arrayHeader);
}
return(ArrayConvert.ToString(array, culture));
}
return(base.ConvertTo(context, culture, value, destinationType));
}
void Canvas_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.PageUp)
{
ImageScale += ScaleIncrement;
}
if (e.KeyCode == Keys.PageDown)
{
ImageScale -= ScaleIncrement;
}
if (e.Control && e.KeyCode == Keys.Z)
{
commandExecutor.Undo();
}
if (e.Control && e.KeyCode == Keys.Y)
{
commandExecutor.Redo();
}
if (e.Control && e.KeyCode == Keys.V)
{
var roiText = (string)Clipboard.GetData(DataFormats.Text);
try
{
var mousePosition = PointToClient(MousePosition);
var offset = NormalizedLocation(mousePosition.X, mousePosition.Y);
var roiData = (int[])ArrayConvert.ToArray(roiText, 1, typeof(int));
var roi = new Point[roiData.Length / 2];
for (int i = 0, k = 0; i < roi.Length && k < roiData.Length; i++, k += 2)
{
roi[i].X = roiData[k + 0] - roiData[0] + offset.X;
roi[i].Y = roiData[k + 1] - roiData[1] + offset.Y;
}
var selection = selectedRoi;
commandExecutor.Execute(
() => AddRegion(roi),
() => { regions.Remove(roi); SelectedRegion = selection; });
}
catch (ArgumentException) { }
catch (InvalidCastException) { }
catch (FormatException) { }
}
if (selectedRoi.HasValue)
{
if (e.Control && e.KeyCode == Keys.C)
{
var roi = regions[selectedRoi.Value];
var roiData = new int[roi.Length * 2];
for (int i = 0, k = 0; i < roi.Length && k < roiData.Length; i++, k += 2)
{
roiData[k + 0] = roi[i].X;
roiData[k + 1] = roi[i].Y;
}
Clipboard.SetData(DataFormats.Text, ArrayConvert.ToString(roiData));
}
if (e.KeyCode == Keys.Delete)
{
var selection = selectedRoi.Value;
var region = regions[selection];
commandExecutor.Execute(
() => { regions.RemoveAt(selection); SelectedRegion = null; },
() => { regions.Insert(selection, region); SelectedRegion = selection; });
}
}
}
