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 TilesAcross()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 TilesDown()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 TileCount()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