|
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 //DCDithering.h |
|
23 // |
|
24 //Version 1.00 |
|
25 // |
|
26 //Contains: |
|
27 // CDCDithering |
|
28 // Dithering by H263 algorithm developed in /. |
|
29 // |
|
30 //History: |
|
31 // 19.08.2003 version 1.00 created using existing algorithms |
|
32 //************************************************************************* |
|
33 |
|
34 |
|
35 |
|
36 /* |
|
37 ----------------------------------------------------------------------------- |
|
38 |
|
39 DESCRIPTION |
|
40 |
|
41 Defines the dithering class. |
|
42 |
|
43 ----------------------------------------------------------------------------- |
|
44 */ |
|
45 |
|
46 #ifndef __DCDithering_H__ |
|
47 #define __DCDithering_H__ |
|
48 |
|
49 |
|
50 |
|
51 // INCLUDES |
|
52 #ifndef __E32STD_H__ |
|
53 #include <e32std.h> // for Fundamental Types |
|
54 #endif // __E32STD_H__ |
|
55 #ifndef __E32BASE_H__ |
|
56 #include <e32base.h> // for CBase |
|
57 #endif // __E32BASE_H__ |
|
58 |
|
59 |
|
60 |
|
61 //Class definition |
|
62 class CDCDithering : public CBase |
|
63 { |
|
64 public: |
|
65 |
|
66 CDCDithering(); // Constructor |
|
67 static CDCDithering* NewL(); // Factory function |
|
68 static CDCDithering* NewLC(); // Factory function |
|
69 ~CDCDithering(); // Destructor |
|
70 void ConstructL(); // Second Phase contructor (may leave) |
|
71 |
|
72 // Process and store image referenced by aBPtr |
|
73 void ProcessL(CFbsBitmap& aBPtr); |
|
74 |
|
75 private: |
|
76 |
|
77 // Limit integer value to byte [0,255] |
|
78 static inline TUint8 Limit255(TInt i) {return (TUint8)(i<0?0:(i>255?255:i));} |
|
79 |
|
80 // Scan line buffer |
|
81 HBufC8* iScanLineBuffer; |
|
82 }; |
|
83 |
|
84 #endif // __DCDithering_H__ |
|
85 // End of File |
|
86 //----IMAAMI---- |