CLAM-Development  1.4.0
SDIFMatrix.hxx
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1 /*
2  * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
3  * UNIVERSITAT POMPEU FABRA
4  *
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 #ifndef _SdifMatrix_hxx_
23 #define _SdifMatrix_hxx_
24 
25 #include "SDIFHeader.hxx"
26 
27 #undef CLAM_USE_XML
28 #include "Array.hxx"
29 
30 #include "SDIFType.hxx"
31 
32 namespace SDIF
33 {
47  class Matrix
48  {
49  friend class File;
50  protected:
52 
53  Matrix(const MatrixHeader& header)
54  :mHeader(header)
55  {
56  }
57 
58  Matrix(
59  const TypeId& type = TypeId::sDefault,DataType dataType = eUnknown,
60  CLAM::TInt32 nRows = 0, CLAM::TInt32 nColumns = 0);
61  virtual char* GetPtr(void) = 0;
62  virtual void Resize(int nElems) = 0;
63  virtual void SetSize(int nElems) = 0;
64  public:
65  virtual ~Matrix() { }
66 
67  TypeId Type(void) {return mHeader.mType;}
68 
69  CLAM::TInt32 Rows(void) { return mHeader.mnRows; }
72  {
74  CLAM::TUInt32 elemSize = mHeader.mDataType&0xFF;
75  CLAM::TUInt32 size = nElems*elemSize;
76  CLAM::TUInt32 padding = 8-size&7;
77 
78  return mHeader.SizeInFile()+size+padding;
79  }
80  };
81 
82  template <class T=CLAM::TFloat32> class ConcreteMatrix:public Matrix
83  {
84  friend class File;
85  private:
86  CLAM::Array<T> mpData;
87  public:
95  const TypeId& type = TypeId::sDefault,
96  CLAM::TInt32 nRows = 0, CLAM::TInt32 nColumns = 0)
97  : Matrix(type,GetType<T>::Get(),nRows,nColumns)
98  {
99  CLAM::TInt32 nElems = Rows()*Columns();
100  Resize(nElems);
101  SetSize(nElems);
102  }
103 
105  :Matrix(header)
106  {
107  CLAM::TInt32 nElems = Rows()*Columns();
108  Resize(nElems);
109  SetSize(nElems);
110  }
111 
112  char* GetPtr(void) { return (char*)mpData.GetPtr(); }
113  void Resize(int nElems) { mpData.Resize(nElems); }
114  void SetSize(int nElems) { mpData.SetSize(nElems); }
115 
116 
122  {
123  return mpData[row*mHeader.mnColumns + col];
124  }
125 
130  void SetValue(CLAM::TInt32 row,CLAM::TInt32 col,const T& val)
131  {
132  mpData[row*mHeader.mnColumns + col] = val;
133  }
134  };
135 }
136 
137 #endif//_SdifMatrix_hxx_
138