private void gradientBox_MouseClick(object sender, MouseEventArgs e)
{
PhotonGradient gradient = gradientBox.Gradient;
float u = (float)e.X / gradientBox.Width * gradient.Length + gradient.Start;
int i = gradient.ClosestIndex(u);
if (e.Button == MouseButtons.Left)
{
PhotonGradient.PhotonPosition pp = gradient[i];
if (ModifierKeys == Keys.Control)
{
pp.Photon = gradient[u];
pp.Position = u;
gradient.Add(pp);
gradientBox.UpdateRender();
}
else
{
PhotonDialog photonDialog = new PhotonDialog(this);
photonDialog.Photon = pp.Photon;
if (photonDialog.ShowDialog() == DialogResult.OK)
{
pp.Photon = photonDialog.Photon;
gradient[i] = pp;
gradientBox.UpdateRender();
}
}
}
else if (e.Button == MouseButtons.Right && i > 0 && i < gradient.PhotonPositionCount - 1)
{
gradient.Remove(i);
gradientBox.UpdateRender();
}
}
protected override void OnPaint(PaintEventArgs pe)
{
base.OnPaint(pe);
if (Gradient != null)
{
pe.Graphics.InterpolationMode = InterpolationMode.NearestNeighbor;
pe.Graphics.DrawImage(render, new Rectangle(0, 0, Width, Height * 2));
for (int i = 0; i < gradient.PhotonPositionCount; i++)
{
PhotonGradient.PhotonPosition pp = gradient[i];
int u = Numerics.Floor((pp.Position - gradient.Start) * Width / gradient.Length);
linePen.Color = new Photon(1f - pp.Photon.R, 1f - pp.Photon.G, 1f - pp.Photon.B);
pe.Graphics.DrawLine(linePen, new Point(u, 0), new Point(u, Height));
}
}
}
private void gradientBox_MouseMove(object sender, MouseEventArgs e)
{
PhotonGradient gradient = gradientBox.Gradient;
float u = (float)e.X / gradientBox.Width * gradient.Length + gradient.Start;
int i = gradient.ClosestIndex(u);
if (e.Button == MouseButtons.Middle && i > 0 && i < gradient.PhotonPositionCount - 1)
{
PhotonGradient.PhotonPosition pp = gradient[i];
if (ModifierKeys == Keys.Shift)
{
pp.Position = (float)(int)(Math.Round(u * gradientRuler.Segments)) / gradientRuler.Segments;
}
else
{
pp.Position = u;
}
gradient[i] = pp;
gradientBox.UpdateRender();
}
}
