|
1 /* |
|
2 * Copyright (c) 2010 Ixonos Plc. |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of the "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 * Ixonos Plc |
|
14 * |
|
15 * Description: |
|
16 * |
|
17 */ |
|
18 |
|
19 |
|
20 //----IMAAMI---- |
|
21 //************************************************************************* |
|
22 //DCSharpening.h |
|
23 // |
|
24 //Version 1.00 |
|
25 // |
|
26 //Contains: |
|
27 // DCSharpening |
|
28 // Sharpening using IMAAMI algorithm. |
|
29 // |
|
30 //History: |
|
31 // 19.08.2003 version 1.00 created using existing IMAAMI algorithms |
|
32 //************************************************************************* |
|
33 |
|
34 #ifndef __DCSharpening_H |
|
35 #define __DCSharpening_H |
|
36 |
|
37 #include <e32std.h> // for Fundamental Types |
|
38 #include <e32base.h> // for Fundamental Types |
|
39 #include "DCInit.h" |
|
40 |
|
41 //Adjust to proper signal range (10 bits) |
|
42 #define ADJUST_RANGE_TO_10BITS(value) ((value) < 0) ? 0 : ((value) > 1023) ? 1023 : (value) |
|
43 |
|
44 |
|
45 //Class definition |
|
46 class DCSharpening : public CBase |
|
47 { |
|
48 public: |
|
49 |
|
50 //parameters |
|
51 struct DCSharpeningParams |
|
52 { |
|
53 TUint SHARP_OVER; |
|
54 TUint SHARP_DZONE; |
|
55 TReal SHARP_GAIN; |
|
56 }; |
|
57 |
|
58 DCSharpening(); |
|
59 static DCSharpening* NewL(); |
|
60 static DCSharpening* NewLC(); |
|
61 ~DCSharpening(); |
|
62 |
|
63 // Second Phase contructor (may leave) |
|
64 void ConstructL(); |
|
65 |
|
66 //Process original image and store result |
|
67 void ProcessL(CFbsBitmap* aBPtr); |
|
68 |
|
69 //Set processing parameters |
|
70 void SetParameters(DCSharpeningParams* params); |
|
71 |
|
72 //Get current processing parameters |
|
73 void GetParameters(DCSharpeningParams* params); |
|
74 |
|
75 |
|
76 //Limit integer value to byte [0,255] |
|
77 static inline TUint8 Limit255(TInt i) { |
|
78 return (TUint8)(i<0?0:(i>255?255:i)); |
|
79 } |
|
80 |
|
81 |
|
82 private: |
|
83 |
|
84 //Processing parameters |
|
85 DCSharpeningParams iParameters; |
|
86 |
|
87 //Line Buffer and pointer |
|
88 HBufC8* iScanLine; |
|
89 HBufC8* iPrevScanLine; |
|
90 HBufC8* iPrevPrevScanLine; |
|
91 HBufC8* iNextScanLine; |
|
92 HBufC8* iNextNextScanLine; |
|
93 |
|
94 //Sharpening functions from IMAAMI |
|
95 TInt Peak(TInt aA, TInt aB, TInt aC, TInt aD, TInt aE, TInt aF, TInt aG, TInt aH, TInt aO); |
|
96 TInt Median3(TInt aA, TInt aB, TInt aC); |
|
97 void findMinMax4(TInt A, TInt B, TInt C, TInt D, TInt *min, TInt *max); |
|
98 |
|
99 //Processing parameters for stretch |
|
100 TInt iGain; |
|
101 }; |
|
102 |
|
103 #endif // ifndef __DCSharpening_H |
|
104 //----IMAAMI---- |