/[svn]/libgig/trunk/src/DLS.h
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revision 2394 by schoenebeck, Mon Jan 7 23:23:58 2013 UTC revision 2547 by schoenebeck, Tue May 13 11:17:24 2014 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file access library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003-2013 by Christian Schoenebeck                      *   *   Copyright (C) 2003-2014 by Christian Schoenebeck                      *
6   *                              <cuse@users.sourceforge.net>               *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
8   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
# Line 204  namespace DLS { Line 204  namespace DLS {
204      struct range_t {      struct range_t {
205          uint16_t low;  ///< Low value of range.          uint16_t low;  ///< Low value of range.
206          uint16_t high; ///< High value of range.          uint16_t high; ///< High value of range.
207    
208            inline bool operator< (const range_t& other) const {
209                if (low < other.low) return true;
210                if (low > other.low) return false;
211                return high < other.high;
212            }
213    
214            inline bool operator== (const range_t& other) const {
215                return low == other.low && high == other.high;
216            }
217    
218            inline bool overlaps(uint16_t scalar) const {
219                return low <= scalar && scalar <= high;
220            }
221    
222            inline bool overlaps(const range_t& other) const {
223                return overlaps(other.low) || overlaps(other.high) ||
224                       other.overlaps(low) || other.overlaps(high);
225            }
226      };      };
227    
228      /** Defines Sample Loop Points. */      /** Defines Sample Loop Points. */
# Line 328  namespace DLS { Line 347  namespace DLS {
347              dlsid_t* pDLSID; ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>.              dlsid_t* pDLSID; ///< Points to a <i>dlsid_t</i> structure if the file provided a DLS ID else is <i>NULL</i>.
348    
349              Resource* GetParent() { return pParent; }              Resource* GetParent() { return pParent; }
350                const Resource* GetParent() const { return pParent; }
351              virtual void UpdateChunks();              virtual void UpdateChunks();
352              void GenerateDLSID();              void GenerateDLSID();
353              virtual void CopyAssign(const Resource* orig);              virtual void CopyAssign(const Resource* orig);
# Line 384  namespace DLS { Line 404  namespace DLS {
404    
405              void*         LoadSampleData();              void*         LoadSampleData();
406              void          ReleaseSampleData();              void          ReleaseSampleData();
407              unsigned long GetSize();              unsigned long GetSize() const;
408              void          Resize(int iNewSize);              void          Resize(int iNewSize);
409              unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);              unsigned long SetPos(unsigned long SampleCount, RIFF::stream_whence_t Whence = RIFF::stream_start);
410              unsigned long Read(void* pBuffer, unsigned long SampleCount);              unsigned long Read(void* pBuffer, unsigned long SampleCount);
411              unsigned long Write(void* pBuffer, unsigned long SampleCount);              unsigned long Write(void* pBuffer, unsigned long SampleCount);
412              virtual void  UpdateChunks();              virtual void  UpdateChunks();
413                virtual void  CopyAssign(const Sample* orig);
414          protected:          protected:
415              RIFF::List*   pWaveList;              RIFF::List*   pWaveList;
416              RIFF::Chunk*  pCkData;              RIFF::Chunk*  pCkData;
# Line 398  namespace DLS { Line 419  namespace DLS {
419    
420              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset);              Sample(File* pFile, RIFF::List* waveList, unsigned long WavePoolOffset);
421              virtual ~Sample();              virtual ~Sample();
422                void CopyAssignCore(const Sample* orig);
423              friend class File;              friend class File;
424              friend class Region; // Region has to compare the wave pool offset to get its sample              friend class Region; // Region has to compare the wave pool offset to get its sample
425      };      };
# Line 478  namespace DLS { Line 500  namespace DLS {
500              File();              File();
501              File(RIFF::File* pRIFF);              File(RIFF::File* pRIFF);
502              String      GetFileName();              String      GetFileName();
503                void        SetFileName(const String& name);
504              Sample*     GetFirstSample();     ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.              Sample*     GetFirstSample();     ///< Returns a pointer to the first <i>Sample</i> object of the file, <i>NULL</i> otherwise.
505              Sample*     GetNextSample();      ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.              Sample*     GetNextSample();      ///< Returns a pointer to the next <i>Sample</i> object of the file, <i>NULL</i> otherwise.
506              Sample*     AddSample();              Sample*     AddSample();
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