1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 * 

    14 * Description:

    15 *

    16 */

    17 using System;

    18 using System.Text;

    19 using System.Collections.Generic;

    20 using System.Drawing;

    21 

    22 namespace SymbianUtils.Colour

    23 {

    24     public class ColourGenerationUtil

    25     {

    26         #region Constructors

    27         public ColourGenerationUtil()

    28         {

    29             iStandardColors = CreateStandardColors();

    30             iBannedColors = CreateBannedColors();

    31         }

    32         #endregion

    33 

    34         #region API

    35         public Color GenerateRandomColour( Random aRandomNumberGenerator )

    36         {

    37             Color ret = Color.White;

    38             //

    39             bool blackListed = false;

    40             do

    41             {

    42                 int colItemIndex = aRandomNumberGenerator.Next( (int) KnownColor.Aqua, (int) KnownColor.YellowGreen );

    43                 KnownColor col = (KnownColor) colItemIndex;

    44                 //

    45                 blackListed = BannedColors.Contains( col );

    46                 ret = Color.FromKnownColor( col );

    47             }

    48             while ( blackListed );

    49             //

    50             return ret;

    51         }

    52 

    53         public Color GenerateRandomColourAndRemoveFromList()

    54         {

    55             int count = iStandardColors.Count;

    56             System.Random random = new Random();

    57             int colItemIndex = random.Next( 0, count );

    58             Color ret = Color.FromKnownColor( iStandardColors[ colItemIndex ] );

    59             iStandardColors.RemoveAt( colItemIndex );

    60             return ret;

    61         }

    62 

    63         public void SuplimentStandardColoursWithAdditionalEntries( int aRequiredEntryCount )

    64         {

    65             // Pick colours at random from the standard colours until we have used them all

    66             System.Random random = new Random();

    67 

    68             // How many objects do we have to colourise?

    69             int iterations = 0;

    70             int maxIterations = (int) KnownColor.MenuHighlight - iBannedColors.Count;

    71             while ( iStandardColors.Count < aRequiredEntryCount && iterations < maxIterations )

    72             {

    73                 int colItemIndex = random.Next( (int) KnownColor.Aqua, (int) KnownColor.YellowGreen );

    74                 KnownColor col = (KnownColor) colItemIndex;

    75                 //

    76                 bool alreadyExists = iStandardColors.Contains( col );

    77                 bool isBanned = iBannedColors.Contains( col );

    78                 if ( !alreadyExists && !isBanned )

    79                 {

    80                     iStandardColors.Add( col );

    81                 }

    82 

    83                 ++iterations;

    84             }

    85 

    86             // If we still dont' have enough colours at this point, then just duplicate some of the

    87             // known colours

    88             iterations = 0;

    89             maxIterations = iStandardColors.Count;

    90             while ( iStandardColors.Count < aRequiredEntryCount )

    91             {

    92                 KnownColor col = iStandardColors[ iterations ];

    93                 iStandardColors.Add( col );

    94                 //

    95                 if ( iterations >= maxIterations )

    96                 {

    97                     iterations = 0;

    98                 }

    99             }

   100         }

   101 

   102         public List<KnownColor> CreateStandardColors()

   103         {

   104             List<KnownColor> list = new List<KnownColor>();

   105             //

   106             list.Add( KnownColor.Red );

   107             list.Add( KnownColor.IndianRed );

   108             list.Add( KnownColor.Tomato );

   109             list.Add( KnownColor.SandyBrown );

   110             list.Add( KnownColor.Moccasin );

   111             list.Add( KnownColor.Gold );

   112             list.Add( KnownColor.Yellow );

   113             list.Add( KnownColor.YellowGreen );

   114             list.Add( KnownColor.LawnGreen );

   115             list.Add( KnownColor.ForestGreen );

   116             list.Add( KnownColor.Aquamarine );

   117             list.Add( KnownColor.LightSeaGreen );

   118             list.Add( KnownColor.Cyan );

   119             list.Add( KnownColor.SkyBlue );

   120             list.Add( KnownColor.DodgerBlue );

   121             list.Add( KnownColor.LightSteelBlue );

   122             list.Add( KnownColor.SlateBlue );

   123             list.Add( KnownColor.DarkOrchid );

   124             list.Add( KnownColor.Fuchsia );

   125             list.Add( KnownColor.Pink );

   126             //

   127             return list;

   128         }

   129 

   130         public List<KnownColor> CreateBannedColors()

   131         {

   132             List<KnownColor> list = new List<KnownColor>();

   133             //

   134             list.Add( KnownColor.Black );

   135             list.Add( KnownColor.LightGray );

   136             list.Add( KnownColor.White );

   137             list.Add( KnownColor.Gray );

   138             list.Add( KnownColor.GrayText );

   139             list.Add( KnownColor.DarkGray );

   140             list.Add( KnownColor.DimGray );

   141             list.Add( KnownColor.Azure );

   142             list.Add( KnownColor.Silver );

   143             list.Add( KnownColor.GhostWhite );

   144             list.Add( KnownColor.DarkKhaki );

   145             list.Add( KnownColor.DarkOliveGreen );

   146             list.Add( KnownColor.NavajoWhite );

   147             list.Add( KnownColor.Ivory );

   148             list.Add( KnownColor.Cornsilk );

   149             list.Add( KnownColor.Honeydew );

   150             list.Add( KnownColor.AliceBlue );

   151             list.Add( KnownColor.Gainsboro );

   152             list.Add( KnownColor.Beige );

   153             list.Add( KnownColor.Lavender );

   154             list.Add( KnownColor.FloralWhite );

   155             //

   156             list.Add( KnownColor.Desktop );

   157             list.Add( KnownColor.AppWorkspace );

   158             list.Add( KnownColor.Transparent );

   159             list.Add( KnownColor.Bisque );

   160             list.Add( KnownColor.Control );

   161             list.Add( KnownColor.ControlText );

   162             list.Add( KnownColor.ControlDark );

   163             list.Add( KnownColor.ControlDarkDark );

   164             list.Add( KnownColor.ControlLight );

   165             list.Add( KnownColor.ControlLightLight );

   166             list.Add( KnownColor.ButtonFace );

   167             list.Add( KnownColor.ButtonHighlight );

   168             list.Add( KnownColor.ButtonShadow );

   169             list.Add( KnownColor.GradientActiveCaption );

   170             list.Add( KnownColor.GradientInactiveCaption );

   171             list.Add( KnownColor.HotTrack );

   172             list.Add( KnownColor.Menu );

   173             list.Add( KnownColor.MenuBar );

   174             list.Add( KnownColor.MenuHighlight );

   175             list.Add( KnownColor.MenuText );

   176             list.Add( KnownColor.ActiveBorder );

   177             list.Add( KnownColor.ActiveCaption );

   178             list.Add( KnownColor.ActiveCaptionText );

   179             list.Add( KnownColor.InactiveBorder );

   180             list.Add( KnownColor.InactiveCaption );

   181             list.Add( KnownColor.InactiveCaptionText );

   182             list.Add( KnownColor.Highlight );

   183             list.Add( KnownColor.HighlightText );

   184             list.Add( KnownColor.BlanchedAlmond );

   185             list.Add( KnownColor.Info );

   186             list.Add( KnownColor.InfoText );

   187             list.Add( KnownColor.Window );

   188             list.Add( KnownColor.WindowText );

   189             list.Add( KnownColor.WindowFrame );

   190             list.Add( KnownColor.ScrollBar );

   191             list.Add( KnownColor.LightBlue );

   192             //

   193             return list;

   194         }

   195         #endregion

   196 

   197         #region Properties

   198         public List<KnownColor> StandardColors

   199         {

   200             get { return iStandardColors; }

   201         }

   202 

   203         public List<KnownColor> BannedColors

   204         {

   205             get { return iBannedColors; }

   206         }

   207         #endregion

   208 

   209         #region Data members

   210         private readonly List<KnownColor> iStandardColors;

   211         private readonly List<KnownColor> iBannedColors;

   212         #endregion

   213     }

   214 }