// 
// Color.custom
//  
// Author:
//   Aaron Bockover <abockover@novell.com>
// 
// Copyright 2009 Novell, Inc.
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

private byte _r;
private byte _g;
private byte _b;
private byte _a;

public byte R { get { return _r; } set { _r = value; } }
public byte G { get { return _g; } set { _g = value; } }
public byte B { get { return _b; } set { _b = value; } }
public byte A { get { return _a; } set { _a = value; } }

public Color (byte r, byte g, byte b, byte a)
{
    _r = r;
    _g = g;
    _b = b;
    _a = a;
}

public Color (byte r, byte g, byte b) : this (r, g, b, 0xff)
{
}

public Color (float r, float g, float b, float a)
    : this ((byte)(r * 0xff), (byte)(g * 0xff), (byte)(b * 0xff), (byte)(a * 0xff))
{
}

public Color (float r, float g, float b) : this (r, g, b, 1.0f)
{
}

public Color (double r, double g, double b, double a)
    : this ((byte)(r * 0xff), (byte)(g * 0xff), (byte)(b * 0xff), (byte)(a * 0xff))
{

}

public Color (double r, double g, double b) : this (r, g, b, 1.0)
{
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_lighten (ref Color color, ref Color result);

public Color Lighten ()
{
    Color result = new Color ();
    clutter_color_lighten (ref this, ref result);
    return result;
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_darken (ref Color color, ref Color result);

public Color Darken ()
{
    Color result = new Color ();
    clutter_color_darken (ref this, ref result);
    return result;
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_shade (ref Color color, double factor, ref Color result);

public Color Shade (double factor)
{
    Color result = new Color ();
    clutter_color_shade (ref this, factor, ref result);
    return result;
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_add (ref Color color, ref Color b, ref Color result);

public Color Add (Color b)
{
    Color result = new Color ();
    clutter_color_add (ref this, ref b, ref result);
    return result;
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_subtract (ref Color color, ref Color b, ref Color result);

public Color Subtract (Color b)
{
    Color result = new Color ();
    clutter_color_subtract (ref this, ref b, ref result);
    return result;
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_from_hls (ref Color color, float hue, float luminance, float saturation);

public void FromHls (float hue, float luminance, float saturation)
{
    clutter_color_from_hls (ref this, hue, luminance, saturation);
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_to_hls (ref Color color, out float hue, out float luminance, out float saturation);

public void ToHls (out float hue, out float luminance, out float saturation)
{
    clutter_color_to_hls (ref this, out hue, out luminance, out saturation);
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern uint clutter_color_to_pixel (ref Color color);

public uint ToPixel ()
{
    return clutter_color_to_pixel (ref this);
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern void clutter_color_from_pixel (ref Color color, uint pixel);

public void FromPixel (uint pixel)
{
    clutter_color_from_pixel (ref this, pixel);
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern bool clutter_color_from_string (ref Color color, IntPtr str);

public bool FromString (string str)
{
    IntPtr str_ptr = IntPtr.Zero;
    try {
        str_ptr = GLib.Marshaller.StringToPtrGStrdup (str);
        return clutter_color_from_string (ref this, str_ptr);
    } finally {
        GLib.Marshaller.Free (str_ptr);
    }
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern IntPtr clutter_color_to_string (ref Color color);

public override string ToString ()
{
    return GLib.Marshaller.PtrToStringGFree (clutter_color_to_string (ref this));
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern bool clutter_color_equal (ref Color a, ref Color b);

public override bool Equals (object obj)
{
    if (obj is Color) {
        Color c = (Color)obj;
        return clutter_color_equal (ref this, ref c);
    }
    
    return false;
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern uint clutter_color_hash (ref Color color);

public override int GetHashCode ()
{
    return (int)clutter_color_hash (ref this);
}

[DllImport ("libclutter-win32-1.0-0.dll")]
private static extern IntPtr clutter_color_get_type ();

public static GLib.GType GType { 
    get { return new GLib.GType (clutter_color_get_type ()); }
}