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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - Initial contribution |
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11 * |
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12 * Contributors: |
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13 * Ixonos Plc |
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14 * |
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15 * Description: |
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16 * Const parameters for brightness/constrast enhancement |
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17 * The tuning has 9 steps, each represented by 3 parameters. |
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18 * The smaller indices in the table generate "lighter" pictures. |
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19 * |
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20 */ |
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21 |
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22 |
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23 #ifndef __BRIGHTNESSCONTRAST_H__ |
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24 #define __BRIGHTNESSCONTRAST_H__ |
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25 |
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26 |
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27 const TInt KMinBrightnessContrastIndex = 0; |
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28 const TInt KMedBrightnessContrastIndex = 10; |
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29 const TInt KMaxBrightnessContrastIndex = 20; |
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30 |
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31 const TInt KMaxBCInputIndex = 100; |
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32 |
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33 struct SEnhParam { |
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34 TReal a; |
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35 TReal b; |
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36 TReal g; |
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37 }; |
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38 |
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39 const struct SEnhParam KBrightnessContrastEnhParam[21] = { |
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40 {2.35, -0.1215, 0.5}, |
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41 {2.17, -0.0936, 0.55}, |
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42 {2, -0.07, 0.6}, |
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43 {1.84, -0.0504, 0.65}, |
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44 {1.69, -0.0345, 0.7}, |
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45 {1.55, -0.022, 0.75}, |
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46 {1.42, -0.0126, 0.8}, |
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47 {1.3, -0.006, 0.85}, |
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48 {1.19, -0.0019, 0.9}, |
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49 {1.09, 0, 0.95}, |
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50 {1, 0, 1}, |
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51 {1.04, -0.04, 1.05}, |
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52 {1.09, -0.0891, 1.1}, |
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53 {1.15, -0.147, 1.15}, |
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54 {1.22, -0.2134, 1.2}, |
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55 {1.3, -0.288, 1.25}, |
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56 {1.39, -0.3705, 1.3}, |
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57 {1.49, -0.4606, 1.35}, |
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58 {1.6, -0.558, 1.4}, |
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59 {1.72, -0.6624, 1.45}, |
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60 {1.85, -0.7735, 1.5} |
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61 }; |
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62 |
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63 #endif // __BRIGHTNESSCONTRAST_H__ |
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64 |
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65 // End of File |