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 * |
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17 */ |
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18 |
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19 |
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20 //----IMAAMI---- |
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21 //************************************************************************* |
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22 //DCSharpening.h |
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23 // |
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24 //Version 1.00 |
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25 // |
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26 //Contains: |
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27 // DCSharpening |
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28 // Sharpening using IMAAMI algorithm. |
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29 // |
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30 //History: |
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31 // 19.08.2003 version 1.00 created using existing IMAAMI algorithms |
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32 //************************************************************************* |
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33 |
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34 #ifndef __DCSharpening_H |
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35 #define __DCSharpening_H |
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36 |
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37 #include <e32std.h> // for Fundamental Types |
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38 #include <e32base.h> // for Fundamental Types |
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39 #include "DCInit.h" |
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40 |
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41 //Adjust to proper signal range (10 bits) |
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42 #define ADJUST_RANGE_TO_10BITS(value) ((value) < 0) ? 0 : ((value) > 1023) ? 1023 : (value) |
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43 |
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44 |
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45 //Class definition |
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46 class DCSharpening : public CBase |
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47 { |
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48 public: |
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49 |
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50 //parameters |
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51 struct DCSharpeningParams |
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52 { |
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53 TUint SHARP_OVER; |
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54 TUint SHARP_DZONE; |
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55 TReal SHARP_GAIN; |
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56 }; |
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57 |
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58 DCSharpening(); |
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59 static DCSharpening* NewL(); |
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60 static DCSharpening* NewLC(); |
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61 ~DCSharpening(); |
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62 |
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63 // Second Phase contructor (may leave) |
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64 void ConstructL(); |
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65 |
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66 //Process original image and store result |
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67 void ProcessL(CFbsBitmap* aBPtr); |
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68 |
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69 //Set processing parameters |
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70 void SetParameters(DCSharpeningParams* params); |
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71 |
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72 //Get current processing parameters |
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73 void GetParameters(DCSharpeningParams* params); |
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74 |
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75 |
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76 //Limit integer value to byte [0,255] |
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77 static inline TUint8 Limit255(TInt i) { |
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78 return (TUint8)(i<0?0:(i>255?255:i)); |
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79 } |
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80 |
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81 |
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82 private: |
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83 |
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84 //Processing parameters |
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85 DCSharpeningParams iParameters; |
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86 |
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87 //Line Buffer and pointer |
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88 HBufC8* iScanLine; |
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89 HBufC8* iPrevScanLine; |
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90 HBufC8* iPrevPrevScanLine; |
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91 HBufC8* iNextScanLine; |
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92 HBufC8* iNextNextScanLine; |
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93 |
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94 //Sharpening functions from IMAAMI |
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95 TInt Peak(TInt aA, TInt aB, TInt aC, TInt aD, TInt aE, TInt aF, TInt aG, TInt aH, TInt aO); |
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96 TInt Median3(TInt aA, TInt aB, TInt aC); |
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97 void findMinMax4(TInt A, TInt B, TInt C, TInt D, TInt *min, TInt *max); |
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98 |
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99 //Processing parameters for stretch |
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100 TInt iGain; |
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101 }; |
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102 |
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103 #endif // ifndef __DCSharpening_H |
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104 //----IMAAMI---- |
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