private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
if (this._changingHue)
{
EPointF diff = new EPointF(e.X, e.Y) - this.Center;
float angle = diff.Angle * 180 / (float)Math.PI;
angle += 60;
if (angle < 0)
{
angle += 360;
}
else if (angle > 360)
{
angle -= 360;
}
ColorHsb hsb = this.HSB;
hsb.H = angle;
this.HSB = hsb;
//this.Invalidate();
//this.pictureBox1.Invalidate();
}
else if (this._changingSB)
{
this.SetSBFromLoc(new EPointF(e.X, e.Y));
}
this.pictureBox1.Invalidate();
if (this.ColorChanged != null)
{
this.ColorChanged(this, null);
}
}
private EPointF GetLocFromSB()
{
ColorHsb hsb = this.HSB;
EPointF pnt = this._quad.MapFromRect(new EPointF(hsb.S, 1f - hsb.B), new ERectangleF(0, 0, 1, 1));
return(pnt + this._offset);
}
private void SetSBFromLoc(EPointF pMouse)
{
ColorHsb hsb = this.HSB;
pMouse -= this._offset;
EPointF vals = this._quad.MapToRect(new EPointF(pMouse.X, pMouse.Y), new ERectangleF(0, 0, 1, 1));
hsb.S = vals.X;
hsb.B = 1f - vals.Y;
hsb.Validate();
this.HSB = hsb;
}
private void pictureBox1_Paint(object sender, PaintEventArgs e)
{
Bitmap bmp = new Bitmap(this._triangleSize.X, this._triangleSize.Y, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
ColorHsb fullColor = new ColorHsb();
fullColor.H = this.HSB.H;
fullColor.S = 1;
fullColor.B = 1;
fullColor.A = 255;
e.Graphics.FillPolygon(new SolidBrush(fullColor.ColorRGBA), new Point[] { (this._trianglePoints[0] + this._offset).ToPoint(), (this._trianglePoints[1] + this._offset).ToPoint(), (this._trianglePoints[2] + this._offset).ToPoint() });
e.Graphics.DrawImage(this._overlayTriangle, this._offset.ToPoint());
e.Graphics.DrawImage(this._indicator, (this.GetLocFromHue() - new EPointF(this._indicator.Width, this._indicator.Height) / 2 + new EPointF(1, 1)).ToPoint());
//e.Graphics.DrawString(this._fullHueColor.ToString(), new Font("Arial", 6), new SolidBrush(Color.Blue), new PointF(0, 0));
e.Graphics.DrawImage(this._indicator, (this.GetLocFromSB() - new EPointF(this._indicator.Width, this._indicator.Height) / 2 + new EPointF(1, 1)).ToPoint());
}
public void Test()
{
Endogine.ColorEx.Palette pal = new Palette();
ColorHsb hsb = new ColorHsb();
hsb.A = 255;
hsb.S = 0.5f;
Point p = new Point(15, 15);
for (int i = 0; i < p.X; i++)
{
hsb.B = 1f - (float)i / p.X;
for (int j = 0; j < p.Y; j++)
{
hsb.H = 359f * (float)j / p.Y;
pal.Add("Red", new ColorRgb(hsb.ColorRGBA));
}
}
this.Palette = pal;
}
