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1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef __PALETTE_H__ |
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17 #define __PALETTE_H__ |
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18 |
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19 #include <e32base.h> |
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20 |
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21 class TColor256Util; |
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22 |
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23 |
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24 class DynamicPalette |
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25 /** Hooks to allow dynamic palette switching in 256 colour mode. |
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26 |
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27 TRgb::Color256() transparently invokes hooks in this class. The behaviour |
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28 of the system can be customized by replacing the implementation in palette.dll |
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29 with device-specific functionality to switch the colour palette at run-time. |
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30 @publishedAll |
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31 @released |
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32 */ |
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33 { |
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34 public: |
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35 /** Stores the index values of the palettes defined. This enum may be as |
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36 short or as long as desired - there is no requirement that the size of the |
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37 enum in any given implementation be limited to the five sample values given |
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38 in this example implementation. */ |
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39 enum TIndex |
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40 { |
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41 /** A palette index number. */ |
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42 EIndex0, |
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43 /** A palette index number. */ |
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44 EIndex1, |
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45 /** A palette index number. */ |
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46 EIndex2, |
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47 /** A palette index number. */ |
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48 EIndex4, |
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49 /** A palette index number. */ |
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50 EIndex5, |
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51 }; |
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52 |
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53 IMPORT_C static const TColor256Util* DefaultColor256Util(); |
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54 IMPORT_C static void SetColor256Util(TIndex aIndex); |
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55 |
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56 IMPORT_C static const TUint32* Color16array(); |
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57 IMPORT_C static const TUint8* Color16inverse(); |
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58 }; |
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59 |
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60 #endif |