root / tags / v1_0_2_Build_908 / libraries / libjni-ecw / include / NCSJPCResample.h @ 11054
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1 | 3538 | nacho | /********************************************************
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2 | ** Copyright 2003 Earth Resource Mapping Ltd.
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3 | ** This document contains proprietary source code of
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4 | ** Earth Resource Mapping Ltd, and can only be used under
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5 | ** one of the three licenses as described in the
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6 | ** license.txt file supplied with this distribution.
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7 | ** See separate license.txt file for license details
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8 | ** and conditions.
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9 | **
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10 | ** This software is covered by US patent #6,442,298,
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11 | ** #6,102,897 and #6,633,688. Rights to use these patents
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12 | ** is included in the license agreements.
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13 | **
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14 | ** FILE: $Archive: /NCS/Source/include/NCSJPCResample.h $
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15 | ** CREATED: 12/02/2003 3:27:34 PM
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16 | ** AUTHOR: Simon Cope
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17 | ** PURPOSE: CNCSJPCResample class header
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18 | ** EDITS: [xx] ddMmmyy NAME COMMENTS
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19 | *******************************************************/
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20 | |||
21 | #ifndef NCSJPCRESAMPLE_H
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22 | #define NCSJPCRESAMPLE_H
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23 | |||
24 | #ifndef NCSJPCPRECINCT_H
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25 | #include "NCSJPCPrecinct.h" |
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26 | #endif // NCSJPCPRECINCT_H |
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27 | #ifndef NCSJPCNODETILER_H
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28 | #include "NCSJPCNodeTiler.h" |
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29 | #endif // NCSJPCNODETILER_H |
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30 | #ifndef NCSJPC_H
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31 | #include "NCSJPC.h" |
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32 | #endif // NCSJPC_H |
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33 | #ifndef NCSECWCLIENT_H
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34 | #include "NCSECWClient.h" |
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35 | #endif // NCSECWCLIENT_H |
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36 | #ifndef NCSJPCMCTNODE_H
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37 | #include "NCSJPCMCTNode.h" |
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38 | #endif // NCSJPCMCTNODE_H |
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39 | #ifndef NCSJP2FILE_H
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40 | #include "NCSJP2File.h" |
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41 | #endif // NCSJP2FILE_H |
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42 | |||
43 | /**
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44 | * CNCSJPCResample class - Merges multiple tiles together, and resamples the output to the specified view..
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45 | *
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46 | * @author Simon Cope
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47 | * @version $Revision$ $Author$ $Date$
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48 | */
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49 | class NCSJPC_EXPORT_ALL CNCSJPCResample: public CNCSJPCNodeTiler { |
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50 | public:
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51 | /** Default constructor */
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52 | CNCSJPCResample(); |
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53 | /** Virtual destructor */
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54 | virtual ~CNCSJPCResample(); |
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55 | |||
56 | /**
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57 | * Link this node to the view.
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58 | * @param nCtx Read context
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59 | * @param JPC Codestream object.
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60 | * @param pView Current View to resample to
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61 | * @param iComponent Component index
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62 | * @param iChannel Channel index
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63 | & @param pMCT CNCSJPCMCTNode when MCT is required
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64 | * @return bool true on success, else false on error.
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65 | */
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66 | virtual bool Link(ContextID nCtx, CNCSJPC &JPC, class CNCSJP2FileView *pFileView, UINT16 iComponent, UINT16 iChannel, CNCSJP2File::CNCSJP2HeaderBox &Header);
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67 | /**
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68 | * UnLink a node as the unput to this node.
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69 | * @param nCtx Read context
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70 | * @return bool true on success, else false on error.
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71 | */
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72 | virtual bool UnLink(ContextID nCtx, UINT16 nInputs = 0); |
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73 | /**
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74 | * Read a BufferType line from the input.
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75 | * @param nCtx Read context
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76 | * @param pDst Destination buffer.
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77 | * @param iComponent Output Component
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78 | * @return bool true on succes, else false.
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79 | */
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80 | virtual bool ReadLine(ContextID nCtx, CNCSJPCBuffer *pDst, UINT16 iComponent);
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81 | |||
82 | static UINT8 CalculateResolutionLevel(CNCSJPCComponent *pComponent, INT32 nTopX, INT32 nLeftY, INT32 nBottomX, INT32 nRightY, UINT32 nSizeX, UINT32 nSizeY);
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83 | protected:
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84 | static CNCSJPCNodeTracker sm_Tracker;
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85 | |||
86 | class NCSJPC_EXPORT_ALL Context: public CNCSJPCNode::Context { |
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87 | public:
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88 | const NCSFileViewSetInfo *m_pView;
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89 | |||
90 | class TileInput { |
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91 | public:
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92 | class ChannelInput { |
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93 | public:
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94 | INT32 m_nResSample; |
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95 | IEEE8 m_dResSampleFactorX; |
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96 | IEEE8 m_dResSampleFactorY; |
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97 | |||
98 | UINT32 m_nResolutionWidth; |
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99 | UINT32 m_nResolutionHeight; |
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100 | |||
101 | UINT32 m_nMax; |
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102 | INT32 m_nMin; |
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103 | |||
104 | CNCSJPCNode *m_pInput; |
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105 | |||
106 | ChannelInput(); |
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107 | }; |
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108 | std::vector<ChannelInput> m_CI; |
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109 | // Multi-component transform, only if enabled in COD
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110 | CNCSJPCMCTNode *m_pMCT; |
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111 | // Color-space transformation (eg, YCrCb->sRGB), only if enabled
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112 | CNCSJPCNode *m_pCSC; |
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113 | TileInput(); |
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114 | }; |
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115 | |||
116 | std::vector<TileInput> m_Tiles; |
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117 | |||
118 | Context(); |
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119 | virtual ~Context(); |
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120 | }; |
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121 | |||
122 | /** Clamp output data to valid range */
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123 | bool m_bClamp;
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124 | |||
125 | CNCSJPC *m_pJPC; |
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126 | /**
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127 | * Get the context for the given ContextID
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128 | * @param nCtx ContextID to retrive context
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129 | * @param bAutoConstruct Autoconstruct a new context for this ContextID if one doesn't exist
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130 | * @return Context* Context for given ID.
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131 | */
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132 | virtual CNCSJPCNode::Context *GetContext(ContextID nCtx, bool bAutoConstruct = true); |
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133 | |||
134 | CNCSJPCNode *BuildInputChain(ContextID nCtx, CNCSJPC &JPC, class CNCSJP2FileView *pFileView, UINT16 iComponent, UINT16 iChannel, CNCSJP2File::CNCSJP2HeaderBox &Header, CNCSJPCTilePartHeader *pTilePart); |
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135 | /**
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136 | * Get normal Node Width.
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137 | * @return INT32 Un-clipped Width of codeblocks.
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138 | */
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139 | virtual UINT32 GetNodeWidth(UINT16 iComponent = 0);
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140 | /**
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141 | * Get normal Node Height.
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142 | * @return INT32 Un-clipped height of codeblocks.
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143 | */
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144 | virtual UINT32 GetNodeHeight(UINT16 iComponent = 0);
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145 | /**
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146 | * Get number of nodes wide.
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147 | * @return INT32 Nr of codeblocks across.
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148 | */
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149 | virtual UINT32 GetNumNodesWide(UINT16 iComponent = 0);
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150 | /**
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151 | * Get number of nodes high.
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152 | * @return INT32 Nr of codeblocks high.
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153 | */
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154 | virtual UINT32 GetNumNodesHigh(UINT16 iComponent = 0);
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155 | /**
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156 | * Get pointer to specific node.
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157 | * @param UINT32 Node nr
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158 | * @return CNCSJPCNode * Ptr to node.
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159 | */
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160 | virtual CNCSJPCNode *GetNodePtr(UINT32 nNode, UINT16 iComponent = 0);
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161 | }; |
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162 | |||
163 | #endif // !NCSJPCRESAMPLE_H |