protected override void brightenToolStripMenuItem_Click(object sender, EventArgs e)
{
if (imageList == null)
{
MessageBox.Show(this, Properties.Resources.LoadImage, strProgName);
return;
}
TrackbarDialog dialog = new TrackbarDialog();
dialog.LabelText = Properties.Resources.Brightness;
dialog.ValueUpdated += new TrackbarDialog.HandleValueChange(UpdatedBrightness);
originalImage = imageList[imageIndex];
stack.Push(originalImage);
if (dialog.ShowDialog() == DialogResult.Cancel)
{
// restore original image
imageList[imageIndex] = originalImage;
this.pictureBox1.Image = new Bitmap(originalImage);
}
}
protected override void brightenToolStripMenuItem_Click(object sender, EventArgs e)
{
if (imageList == null)
{
MessageBox.Show(this, Properties.Resources.LoadImage, strProgName);
return;
}
TrackbarDialog dialog = new TrackbarDialog();
dialog.LabelText = Properties.Resources.Brightness;
dialog.ValueUpdated += new TrackbarDialog.HandleValueChange(UpdatedBrightness);
originalImage = imageList[imageIndex];
stack.Push(originalImage);
if (dialog.ShowDialog() == DialogResult.Cancel)
{
// restore original image
imageList[imageIndex] = originalImage;
this.pictureBox1.Image = new Bitmap(originalImage);
}
}
private void UpdatedContrast(object sender, TrackbarDialog.ValueChangedEventArgs e)
{
Image image = ImageHelper.Contrast(originalImage, e.NewValue * 0.04f);
if (image != null)
{
imageList[imageIndex] = image;
this.pictureBox1.Image = new Bitmap(image);
}
}