1 | /*****************************************************************************/ |
2 | // Copyright 2011 Adobe Systems Incorporated |
3 | // All Rights Reserved. |
4 | // |
5 | // NOTICE: Adobe permits you to use, modify, and distribute this file in |
6 | // accordance with the terms of the Adobe license agreement accompanying it. |
7 | /*****************************************************************************/ |
8 | |
9 | /* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_jpeg_image.h#1 $ */ |
10 | /* $DateTime: 2012/05/30 13:28:51 $ */ |
11 | /* $Change: 832332 $ */ |
12 | /* $Author: tknoll $ */ |
13 | |
14 | /*****************************************************************************/ |
15 | |
16 | #ifndef __dng_jpeg_image__ |
17 | #define __dng_jpeg_image__ |
18 | |
19 | /*****************************************************************************/ |
20 | |
21 | #include "dng_auto_ptr.h" |
22 | #include "dng_memory.h" |
23 | #include "dng_point.h" |
24 | |
25 | /*****************************************************************************/ |
26 | |
27 | typedef AutoPtr<dng_memory_block> dng_jpeg_image_tile_ptr; |
28 | |
29 | /*****************************************************************************/ |
30 | |
31 | class dng_jpeg_image |
32 | { |
33 | |
34 | public: |
35 | |
36 | dng_point fImageSize; |
37 | |
38 | dng_point fTileSize; |
39 | |
40 | bool fUsesStrips; |
41 | |
42 | AutoPtr<dng_memory_block> fJPEGTables; |
43 | |
44 | AutoArray<dng_jpeg_image_tile_ptr> fJPEGData; |
45 | |
46 | public: |
47 | |
48 | dng_jpeg_image (); |
49 | |
50 | uint32 TilesAcross () const |
51 | { |
52 | if (fTileSize.h) |
53 | { |
54 | return (fImageSize.h + fTileSize.h - 1) / fTileSize.h; |
55 | } |
56 | else |
57 | { |
58 | return 0; |
59 | } |
60 | } |
61 | |
62 | uint32 TilesDown () const |
63 | { |
64 | if (fTileSize.v) |
65 | { |
66 | return (fImageSize.v + fTileSize.v - 1) / fTileSize.v; |
67 | } |
68 | else |
69 | { |
70 | return 0; |
71 | } |
72 | } |
73 | |
74 | uint32 TileCount () const |
75 | { |
76 | return TilesAcross () * TilesDown (); |
77 | } |
78 | |
79 | void Encode (dng_host &host, |
80 | const dng_negative &negative, |
81 | dng_image_writer &writer, |
82 | const dng_image &image); |
83 | |
84 | dng_fingerprint FindDigest (dng_host &host) const; |
85 | |
86 | }; |
87 | |
88 | /*****************************************************************************/ |
89 | |
90 | #endif |
91 | |
92 | /*****************************************************************************/ |
93 | |