private void okButton_Click(object sender, EventArgs e)
{
try
{
// get new image size
int width = Math.Max(1, Math.Min(5000, int.Parse(widthBox.Text)));
int height = Math.Max(1, Math.Min(5000, int.Parse(heightBox.Text)));
// create appropriate filter
switch (methodCombo.SelectedIndex)
{
case 0:
filter = new ResizeNearestNeighbor(width, height);
break;
case 1:
filter = new ResizeBilinear(width, height);
break;
case 2:
filter = new ResizeBicubic(width, height);
break;
}
// close the dialog
this.DialogResult = DialogResult.OK;
this.Close();
}
catch (Exception)
{
MessageBox.Show(this, "Incorrect values are entered!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Executes specified filter on an image. As destination image size may be different from source; in-place filtering is not allowed.
/// </summary>
/// <param name="img">Image.</param>
/// <param name="filter">AForge <see cref="BaseTransformationFilter"/>.</param>
public static TColor[,] ApplyBaseResizeFilter <TColor>(this TColor[,] img, BaseResizeFilter filter)
where TColor : struct, IColor
{
TColor[,] dest = new TColor[filter.NewHeight, filter.NewWidth];
using (var uImg = img.Lock())
using (var uDest = dest.Lock())
{
filter.Apply(uImg.AsAForgeImage(), uDest.AsAForgeImage());
}
return(dest);
}
