public FContrast(ChangeTracker changeTracker)
{
this.changeTracker = changeTracker;
InitializeComponent();
ContrastTransform = new ContrastTransform();
}
private void UpdatePreviewBox()
{
if (previewTimer == null)
{
previewTimer = new Timer((obj) =>
{
if (previewOutOfDate && !working)
{
working = true;
previewOutOfDate = false;
var result = ContrastTransform.Perform((Bitmap)workingImage.Clone());
Invoke(new MethodInvoker(() =>
{
if (pictureBox.Image != null)
{
pictureBox.Image.Dispose();
}
pictureBox.Image = result;
}));
working = false;
}
}, null, 0, 100);
}
previewOutOfDate = true;
}
private void btnRevert_Click(object sender, EventArgs e)
{
ContrastTransform = new ContrastTransform();
tbContrast.Value = 0;
txtContrast.Text = tbContrast.Value.ToString("G");
UpdatePreviewBox();
}