Palette.cs :  » GUI » wx-NET » wx » C# / CSharp Open Source

//-----------------------------------------------------------------------------
// wx.NET - Palette.cs
//
// The wxPalette wrapper class.
//
// Written by Bryan Bulten (bryan@bulten.ca)
// (C) 2003 Bryan Bulten
// Licensed under the wxWidgets license, see LICENSE.txt for details.
//-----------------------------------------------------------------------------


using System;
using System.Drawing;
using System.Runtime.InteropServices;

namespace wx{
  public class Palette : GDIObject
  {
    [DllImport("wx-c")] static extern IntPtr wxPalette_ctor();
    [DllImport("wx-c")] static extern void wxPalette_dtor(IntPtr self);
    [DllImport("wx-c")] static extern bool wxPalette_Ok(IntPtr self);
    [DllImport("wx-c")] static extern bool wxPalette_Create(IntPtr self, int n, char[] red, char[] green, char[] blue);
    [DllImport("wx-c")] static extern int wxPalette_GetPixel(IntPtr self, char red, char green, char blue);
    [DllImport("wx-c")] static extern bool wxPalette_GetRGB(IntPtr self, int pixel, out char red, out char green, out char blue);

    //---------------------------------------------------------------------

    public Palette()
      : this(wxPalette_ctor()) {}

    public Palette(IntPtr wxObject)
      : base(wxObject) {}

    public Palette(int n, char[] r, char[] g, char[] b)
      : this(wxPalette_ctor())
    {
      if (!wxPalette_Create(wxObject, n, r, g, b))
      {
        throw new InvalidOperationException("Failed to create Palette");
      }
    }

    public bool Create(int n, char[] r, char[] g, char[] b)
    {
      return wxPalette_Create(wxObject, n, r, g, b);
    }

    //---------------------------------------------------------------------

    public bool Ok()
    {
      return wxPalette_Ok(wxObject);
    }

    //---------------------------------------------------------------------

    public int GetPixel(char red, char green, char blue)
    {
      return wxPalette_GetPixel(wxObject, red, green, blue);
    }

    public bool GetRGB(int pixel, out char red, out char green, out char blue)
    {
      return wxPalette_GetRGB(wxObject, pixel, out red, out green, out blue);
    }

    //---------------------------------------------------------------------
  }

}