/*__________________________________________________Общедоступные_методы__________________________________________________*/
#region Public methods
public Color GetColorFromX(int X)
{
double liner_pos = (X - g_left * Width) / (Width * g_width);
if (liner_pos < 0)
{
return(left_col);
}
if (liner_pos > 1)
{
return(right_col);
}
gpolygon gpol_l = gpolygons.FindLast(arg => arg.cp.position <= liner_pos),
gpol_r = gpolygons.Find(arg => arg.cp.position > liner_pos);
Color left = left_col, right = right_col;
double l_d = 0, r_d = 1;
if (gpol_l != null)
{
left = gpol_l.cp.color; l_d = gpol_l.cp.position;
}
if (gpol_r != null)
{
right = gpol_r.cp.color; r_d = gpol_r.cp.position;
}
double value = (liner_pos - l_d) / (r_d - l_d);
return(Color.FromArgb(left.R + (int)((right.R - left.R) * value), left.G + (int)((right.G - left.G) * value), left.B + (int)((right.B - left.B) * value)));
}
public ColorGradientBar()
{
InitializeComponent();
m_left_color = Color.Black;
m_right_color = Color.White;
standart_of_gpolygon = new double[][] {
new double[] { 0D, 0D },
new double[] { -gpol_width, gpol_height / 2D },
new double[] { -gpol_width, gpol_height },
new double[] { gpol_width, gpol_height },
new double[] { gpol_width, gpol_height / 2D },
new double[] { 0D, 0D }
};
gpolygons = new List <gpolygon>();/*(new gpolygon[] {
* new gpolygon(this,Color.Black, 30000 / 300000d),
* new gpolygon(this,Color.Red, 1 / 3d),
* new gpolygon(this,Color.Blue, 2 / 3d)});*/
g_left = 0;
g_top = 0.15;
g_width = 1;
g_height = 1 - g_top * 2D;
m_color_gradient_map = bitmap_liner;
SizeChanged += size_changed_handler;
KeyDown += (o, e) =>
{
if (e.KeyCode == Keys.Delete && selected_gpol != null)
{
gpolygons.Remove(selected_gpol);
selected_gpol = null;
OnColorGradientChanged();
m_color_gradient_map = bitmap_liner;
Invalidate();
}
};
MouseDown += (obj, e) => {
gpolygon taked = gpolygons.OrderByDescending(arg => arg.cp.position).FirstOrDefault(arg => arg.IsMyPoint(e.Location));
if (e.Clicks == 2)
{
if (taked != null)
{
ColorDialog cd = new ColorDialog();
cd.Color = taked.cp.color;
if (cd.ShowDialog() == DialogResult.OK)
{
taked.cp.color = cd.Color;
taked.cp.argb = cd.Color.ToArgb();
m_color_gradient_map = bitmap_liner;
OnColorGradientChanged();
}
}
else
{
gpolygons.Add(new gpolygon(this, e.X)); OnColorGradientChanged();
}
Invalidate();
}
else if (taked != null)
{
taked.TakeAim();
}
selected_gpol = taked;
};
DoubleBuffered = true;
}
