protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
base.OnPaint(e);
// paint the color scale
Color color = ColorManager.SetBrightness(m_BaseColor, 0.0);
for (int step = 0; step < 69; step++)
{
color = ColorManager.SetBrightness(m_BaseColor, 1.0 - m_Factor * (double)step);
Pen pen = new Pen(color, 2);
e.Graphics.DrawLine(pen, 0, step * 2, 10, step * 2);
pen.Dispose();
}
// now find the position and draw the current placeholder
ColorManager.HLS hls = ColorManager.RGB_to_HLS(m_BaseColor);
int pos = this.Height - (int)(hls.L * 2.0 / m_Factor);
e.Graphics.DrawLine(Pens.Black, 12, pos - 2, 17, pos - 2);
e.Graphics.DrawLine(Pens.Black, 12, pos - 1, 17, pos - 1);
e.Graphics.DrawLine(Pens.Black, 12, pos, 16, pos);
e.Graphics.DrawLine(Pens.Black, 12, pos + 1, 17, pos + 1);
}
private void lstColors_SelectedIndexChanged(object sender, EventArgs e)
{
if (m_InternalValueChange == true)
{
return;
}
m_InternalValueChange = true;
// get the selected item and its color
ColourAndNameListItem item = lstColors.SelectedItem as ColourAndNameListItem;
// create the HLS and set the data
ColorManager.HLS hls = ColorManager.RGB_to_HLS(item.Colour);
// txtH.Value = (int)(hls.H * 100.0);
// txtL.Value = (int)(hls.L * 100.0);
// txtS.Value = (int)(hls.S * 100.0);
// set the preview as well
previewColorPanel.BackColor = item.Colour;
// txtRed.Value = previewColorPanel.BackColor.R;
// txtGreen.Value = previewColorPanel.BackColor.G;
// txtBlue.Value = previewColorPanel.BackColor.B;
txtValue.Text = "#" + previewColorPanel.BackColor.R.ToString("X2") + previewColorPanel.BackColor.G.ToString("X2") + previewColorPanel.BackColor.B.ToString("X2");
m_InternalValueChange = false;
}
private void txtHSL_ValueChanged(object sender, EventArgs e)
{
if (m_InternalValueChange == true)
{
return;
}
m_InternalValueChange = true;
// get the hls value and set it to the preview
ColorManager.HLS hls = new ColorManager.HLS();
// hls.H = (double)txtH.Value / 100.0;
// hls.L = (double)txtL.Value / 100.0;
// hls.S = (double)txtS.Value / 100.0;
Color color = ColorManager.HLS_to_RGB(hls);
previewColorPanel.BackColor = color;
// txtRed.Value = previewColorPanel.BackColor.R;
// txtGreen.Value = previewColorPanel.BackColor.G;
// txtBlue.Value = previewColorPanel.BackColor.B;
txtValue.Text = "#" + previewColorPanel.BackColor.R.ToString("X2") + previewColorPanel.BackColor.G.ToString("X2") + previewColorPanel.BackColor.B.ToString("X2");
m_InternalValueChange = false;
}
private void txtHSL_ValueChanged(object sender, EventArgs e)
{
if (m_InternalValueChange == true)
return;
m_InternalValueChange = true;
// get the hls value and set it to the preview
ColorManager.HLS hls = new ColorManager.HLS();
// hls.H = (double)txtH.Value / 100.0;
// hls.L = (double)txtL.Value / 100.0;
// hls.S = (double)txtS.Value / 100.0;
Color color = ColorManager.HLS_to_RGB(hls);
previewColorPanel.BackColor = color;
// txtRed.Value = previewColorPanel.BackColor.R;
// txtGreen.Value = previewColorPanel.BackColor.G;
// txtBlue.Value = previewColorPanel.BackColor.B;
txtValue.Text = "#" + previewColorPanel.BackColor.R.ToString("X2") + previewColorPanel.BackColor.G.ToString("X2") + previewColorPanel.BackColor.B.ToString("X2");
m_InternalValueChange = false;
}
