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500 lines
20 KiB
500 lines
20 KiB
// DMCompos.h : Declaration of the CDMCompos
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//
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// Copyright (c) 1997-1999 Microsoft Corporation
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//
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// @doc EXTERNAL
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//
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//
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#ifndef __DMCOMPOS_H_
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#define __DMCOMPOS_H_
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#include "ComposIn.h"
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#include "DMCompP.h"
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#include "..\dmstyle\dmstyleP.h"
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#include "..\shared\dmusicp.h"
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#define SUBCHORD_STANDARD_CHORD 1
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#define SUBCHORD_BASS 0
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#define NC_SELECTED 1 // This is the active connector.
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#define NC_PATH 2 // For walking the tree.
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#define NC_NOPATH 4 // Failed tree walk.
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#define NC_TREE 8 // For displaying a tree.
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#define COMPOSEF_USING_DX8 1
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inline WORD ClocksPerBeat(DMUS_TIMESIGNATURE& TimeSig)
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{ return DMUS_PPQ * 4 / TimeSig.bBeat; }
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inline DWORD ClocksPerMeasure(DMUS_TIMESIGNATURE& TimeSig)
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{ return ClocksPerBeat(TimeSig) * TimeSig.bBeatsPerMeasure; }
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inline WORD ClocksToMeasure(DWORD dwTotalClocks, DMUS_TIMESIGNATURE& TimeSig)
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{ return (WORD) (dwTotalClocks / ClocksPerMeasure(TimeSig)); }
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struct DMSignPostStruct
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{
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MUSIC_TIME m_mtTime;
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DWORD m_dwChords;
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WORD m_wMeasure;
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};
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struct DMExtendedChord
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{
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DMExtendedChord() { m_nRefCount = 0; }
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void AddRef() { m_nRefCount++; }
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BOOL Release() { m_nRefCount--; if (m_nRefCount <= 0) { delete this; return TRUE; } else return FALSE; }
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BOOL Equals(DMExtendedChord& rhsChord);
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DWORD m_dwChordPattern;
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DWORD m_dwScalePattern;
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DWORD m_dwInvertPattern;
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BYTE m_bRoot;
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BYTE m_bScaleRoot;
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WORD m_wCFlags;
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DWORD m_dwParts;
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int m_nRefCount;
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};
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struct DMChordData
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{
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DMChordData() : m_pSubChords(NULL) {} // Default constructor
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DMChordData(DMChordData& rChord); // Copy constructor
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DMChordData(DMUS_CHORD_PARAM& DMC); // conversion from DMUS_CHORD_PARAM
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HRESULT Read(IAARIFFStream* pIRiffStream, MMCKINFO* pckParent, DMExtendedChord** apChordDB);
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void Release();
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BOOL Equals(DMChordData& rhsChord);
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DWORD GetChordPattern();
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char GetRoot();
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void SetRoot(char chNewRoot);
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String m_strName; // Name of the chord
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TListItem<DMExtendedChord*>* m_pSubChords; // List of pointers to subchords of the chord
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};
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struct DMChordEntry;
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struct SearchInfo;
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struct DMChordLink
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{
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BOOL Walk(SearchInfo *pSearch);
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TListItem<DMChordEntry>* m_pChord; // pointer to an entry in the Chord Map list
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DWORD m_dwFlags; // (?)
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short m_nID; // ID for matching up pointers
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WORD m_wWeight;
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WORD m_wMinBeats;
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WORD m_wMaxBeats;
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};
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struct DMChordEntry
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{
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TListItem<DMChordLink>* ChooseNextChord();
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BOOL Walk(SearchInfo *pSearch);
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DWORD m_dwFlags; // Flags (first chord in path, last chord in path, etc.)
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short m_nID; // ID for matching up pointers
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DMChordData m_ChordData; // Chord body
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TList<DMChordLink> m_Links; // List of links from this chord
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};
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struct DMSignPost
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{
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DWORD m_dwChords; // Which kinds of signposts are supported.
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DWORD m_dwFlags;
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DWORD m_dwTempFlags;
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DMChordData m_ChordData;
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DMChordData m_aCadence[2];
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};
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struct PlayChord
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{
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HRESULT Save(IAARIFFStream* pRIFF, DMUS_TIMESIGNATURE& rTimeSig);
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char GetRoot();
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void SetRoot(char chNewRoot);
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DMChordData* m_pChord; // Chord to perform.
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TListItem<DMChordLink>* m_pNext; // Next chord
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DWORD m_dwFlags;
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short m_nMeasure;
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short m_nBeat;
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short m_nMinbeats;
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short m_nMaxbeats;
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bool m_fSilent;
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};
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struct FailSearch
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{
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FailSearch() :
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m_nTooManybeats(0), m_nTooFewbeats(0), m_nTooManychords(0), m_nTooFewchords(0)
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{}
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short m_nTooManybeats;
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short m_nTooFewbeats;
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short m_nTooManychords;
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short m_nTooFewchords;
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};
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struct SearchInfo
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{
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SearchInfo() : m_pFirstChord(NULL), m_pPlayChord(NULL) {}
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//DMChordEntry m_Start;
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//DMChordEntry m_End;
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DMChordData m_Start;
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DMChordData m_End;
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TListItem<PlayChord>* m_pPlayChord;
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TListItem<DMChordEntry>* m_pFirstChord;
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short m_nBeats;
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short m_nMinBeats;
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short m_nMaxBeats;
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short m_nChords;
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short m_nMinChords;
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short m_nMaxChords;
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short m_nActivity;
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FailSearch m_Fail;
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};
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struct TemplateCommand
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{
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TemplateCommand() : m_nMeasure(0), m_dwChord(0)
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{
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m_Command.bCommand = m_Command.bGrooveLevel = m_Command.bGrooveRange = 0;
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m_Command.bRepeatMode = DMUS_PATTERNT_RANDOM;
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}
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short m_nMeasure; // Which measure
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DMUS_COMMAND_PARAM m_Command; // Command type
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DWORD m_dwChord; // Signpost flags
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};
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struct CompositionCommand : TemplateCommand
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{
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TListItem<DMSignPost>* m_pSignPost;
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TListItem<DMChordEntry>* m_pFirstChord;
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TList<PlayChord> m_PlayList;
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SearchInfo m_SearchInfo;
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};
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/*
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@interface IDirectMusicComposer |
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The <i IDirectMusicComposer> interface permits access to the Direct Music composition
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engine which
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composes chord progression to generate section segments. In addition to building new
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section segments from templates and personalities, it can generate transition segments to
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transition between different section segments. And, it can apply a ChordMap to an
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existing section segment to convert the chord progression to match the harmonic behavior
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of the ChordMap, a great way to alter the mood of a section while it plays.
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The composition engine uses template segments or predefined shapes to determine the
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structure of the composed section segment and personalities to determine the content of
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the segment.
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@base public | IUnknown
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@meth HRESULT | ComposeSegmentFromTemplate | Creates an original section segment from a
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style, ChordMap and template.
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@meth HRESULT | ComposeSegmentFromShape | Creates an original section segment from a
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style and ChordMap based on a predefined shape.
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@meth HRESULT | ComposeTransition | Composes a transition from a measure inside one
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Section Segment to another.
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@meth HRESULT | AutoTransition | Composes and performs a transition from one
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Section Segment to another.
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@meth HRESULT | ComposeTemplateFromShape | Allocates and composes a new template segment
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based on a predefined shape.
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@meth HRESULT | ChangeChordMap | Modifies the chords and scale pattern of an existing
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section segment to reflect the new ChordMap.
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*/
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/////////////////////////////////////////////////////////////////////////////
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// CDMCompos
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class CDMCompos :
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public IDirectMusicComposer8,
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public IDirectMusicComposer8P
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{
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friend class CSPstTrk;
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public:
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CDMCompos();
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~CDMCompos();
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// IUnknown
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//
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virtual STDMETHODIMP QueryInterface(const IID &iid, void **ppv);
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virtual STDMETHODIMP_(ULONG) AddRef();
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virtual STDMETHODIMP_(ULONG) Release();
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// IDirectMusicComposer
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HRESULT STDMETHODCALLTYPE ComposeSegmentFromTemplate(
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IDirectMusicStyle* pStyle,
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IDirectMusicSegment* pTempSeg,
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WORD wActivity,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicSegment** ppSectionSeg
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);
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HRESULT STDMETHODCALLTYPE ComposeSegmentFromShape(
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IDirectMusicStyle* pStyle,
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WORD wNumMeasures,
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WORD wShape,
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WORD wActivity,
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BOOL fComposeIntro,
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BOOL fComposeEnding,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicSegment** ppSectionSeg
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);
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HRESULT STDMETHODCALLTYPE ComposeTransition(
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IDirectMusicSegment* pFromSeg,
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IDirectMusicSegment* pToSeg,
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MUSIC_TIME mtTime,
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WORD wCommand,
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DWORD dwFlags,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicSegment** ppSectionSeg
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);
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HRESULT STDMETHODCALLTYPE AutoTransition(
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IDirectMusicPerformance* pPerformance,
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IDirectMusicSegment* pToSeg,
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WORD wCommand,
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DWORD dwFlags,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicSegment** ppTransSeg,
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IDirectMusicSegmentState** ppToSegState,
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IDirectMusicSegmentState** ppTransSegState
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);
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HRESULT STDMETHODCALLTYPE ComposeTemplateFromShape(
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WORD wNumMeasures,
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WORD wShape,
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BOOL fComposeIntro,
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BOOL fComposeEnding,
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WORD wEndLength,
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IDirectMusicSegment** ppTempSeg
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);
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HRESULT STDMETHODCALLTYPE ChangeChordMap(
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IDirectMusicSegment* pSectionSeg,
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BOOL fTrackScale,
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IDirectMusicChordMap* pChordMap
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);
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// IDirectMusicComposer8
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HRESULT STDMETHODCALLTYPE ComposeSegmentFromTemplateEx(
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IDirectMusicStyle* pStyle,
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IDirectMusicSegment* pTempSeg,
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DWORD dwFlags, // are we using activity levels?
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// Are we creating a new seg. or composing into the current one?
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DWORD dwActivity,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicSegment** ppSectionSeg
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);
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HRESULT STDMETHODCALLTYPE ComposeTemplateFromShapeEx(
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WORD wNumMeasures, // Number of measures in template
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WORD wShape, // Shape for composition
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BOOL fIntro, // Compose an intro?
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BOOL fEnd, // Compose an ending?
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IDirectMusicStyle* pStyle, // Style used for embellishment lengths
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IDirectMusicSegment** ppTemplate // Template containing chord and command tracks
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);
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protected: // member functions
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void CleanUp();
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void AddChord(DMChordData* pChord);
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TListItem<PlayChord> *AddChord(TList<PlayChord>& rList, DMChordData *pChord, int nMeasure,int nBeat);
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TListItem<PlayChord> *AddCadence(TList<PlayChord>& rList, DMChordData *pChord, int nMax);
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void ChordConnections(TList<DMChordEntry>& ChordMap,
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CompositionCommand& rCommand,
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SearchInfo *pSearch,
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short nBPM,
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DMChordData *pCadence1,
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DMChordData *pCadence2);
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void ChordConnections2(TList<DMChordEntry>& ChordMap,
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CompositionCommand& rCommand,
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SearchInfo *pSearch,
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short nBPM,
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DMChordData *pCadence1,
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DMChordData *pCadence2);
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void ComposePlayList(TList<PlayChord>& PlayList,
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IDirectMusicStyle* pStyle,
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IDirectMusicChordMap* pPersonality,
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TList<TemplateCommand>& rCommandList,
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WORD wActivity);
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void ComposePlayList2(TList<PlayChord>& PlayList,
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IDirectMusicStyle* pStyle,
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IDirectMusicChordMap* pPersonality,
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TList<TemplateCommand>& rCommandList);
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HRESULT ComposePlayListFromShape(
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long lNumMeasures,
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WORD wShape,
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BOOL fComposeIntro,
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BOOL fComposeEnding,
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int nIntroLength,
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int nFillLength,
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int nBreakLength,
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int nEndLength,
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IDirectMusicStyle* pStyle,
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WORD wActivity,
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IDirectMusicChordMap* pPersonality,
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TList<TemplateCommand>& CommandList,
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TList<PlayChord>& PlayList
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);
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BOOL Compose(TList<DMChordEntry>& ChordMap,
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SearchInfo *pSearch,
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CompositionCommand& rCommand);
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void JostleBack(TList<PlayChord>& rList, TListItem<PlayChord> *pChord, int nBeats);
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BOOL AlignChords(TListItem<PlayChord> *pChord,int nLastbeat,int nRes);
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void ChooseSignPosts(TListItem<DMSignPost> *pSignPostHead,
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TListItem<CompositionCommand> *pTempCommand, DWORD dwType,
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bool fSecondPass);
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TListItem<CompositionCommand> *GetNextChord(TListItem<CompositionCommand> *pCommand);
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void FindEarlierSignpost(TListItem<CompositionCommand> *pCommand,
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TListItem<CompositionCommand> *pThis,
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SearchInfo *pSearch);
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void CleanUpBreaks(TList<PlayChord>& PlayList, TListItem<CompositionCommand> *pCommand);
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HRESULT GetStyle(IDirectMusicSegment* pFromSeg, MUSIC_TIME mt, DWORD dwGroupBits, IDirectMusicStyle*& rpStyle, bool fTryPattern);
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HRESULT GetPersonality(IDirectMusicSegment* pFromSeg, MUSIC_TIME mt, DWORD dwGroupBits, IDirectMusicChordMap*& rpPers);
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HRESULT ExtractCommandList(TList<TemplateCommand>& CommandList,
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IDirectMusicTrack* pSignPostTrack,
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IDirectMusicTrack* pCommandTrack,
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DWORD dwGroupBits);
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HRESULT AddToSegment(IDirectMusicSegment* pTempSeg,
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TList<PlayChord>& PlayList,
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IDirectMusicStyle* pStyle,
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DWORD dwGroupBits,
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BYTE bRoot, DWORD dwScale);
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HRESULT CopySegment(IDirectMusicSegment* pTempSeg,
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IDirectMusicSegment** ppSectionSeg,
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TList<PlayChord>& PlayList,
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IDirectMusicStyle* pStyle,
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IDirectMusicChordMap* pChordMap,
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BOOL fStyleFromTrack,
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BOOL fChordMapFromTrack,
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DWORD dwGroupBits,
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BYTE bRoot, DWORD dwScale);
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HRESULT BuildSegment(TList<TemplateCommand>& CommandList,
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TList<PlayChord>& PlayList,
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IDirectMusicStyle* pStyle,
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IDirectMusicChordMap* pChordMap,
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long lMeasures,
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IDirectMusicSegment** ppSectionSeg,
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BYTE bRoot, DWORD dwScale,
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double* pdblTempo = NULL,
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IDirectMusicBand* pCurrentBand = NULL,
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bool fAlign = false,
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IDirectMusicGraph* pGraph = NULL,
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IUnknown* pPath = NULL);
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HRESULT SaveChordList( IAARIFFStream* pRIFF, TList<PlayChord>& rPlayList,
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BYTE bRoot, DWORD dwScale, DMUS_TIMESIGNATURE& rTimeSig);
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HRESULT TransitionCommon(
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IDirectMusicStyle* pFromStyle,
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IDirectMusicBand* pCurrentBand,
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double* pdblFromTempo,
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DMUS_COMMAND_PARAM_2& rFromCommand,
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DMUS_CHORD_PARAM& rLastChord,
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DMUS_CHORD_PARAM& rNextChord,
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IDirectMusicSegment* pToSeg,
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WORD wCommand,
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DWORD dwFlags,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicGraph* pFromGraph,
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IDirectMusicGraph* pToGraph,
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IUnknown* pFromPath,
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IUnknown* pToPath,
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IDirectMusicSegment** ppSectionSeg
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);
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HRESULT ComposeTemplateFromShapeInternal(
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WORD wNumMeasures,
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WORD wShape,
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BOOL fComposeIntro,
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BOOL fComposeEnding,
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int nIntroLength,
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int nBreakLength,
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int nFillLength,
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int nEndLength,
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IDirectMusicSegment** ppTempSeg
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);
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bool HasDX8Content(IDirectMusicStyle* pFromStyle,
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IDirectMusicChordMap* pFromChordMap = NULL,
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IDirectMusicSegment* pFromSegment = NULL,
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DMUS_COMMAND_PARAM_2* pCommand = NULL,
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DMUS_CHORD_PARAM* pLastChord = NULL)
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{
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// Currently this will return true if the Style is DX8. Should be sufficient (when called from
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// AutoTransition, at least), since the style is primarily responsible for the way the transition
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// will sound.
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bool fResult = false;
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IDMStyle* pDMStyle = NULL;
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if (pFromStyle && SUCCEEDED(pFromStyle->QueryInterface(IID_IDMStyle, (void**) &pDMStyle)))
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{
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if (pDMStyle->IsDX8() == S_OK) fResult = true;
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pDMStyle->Release();
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}
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return fResult;
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}
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bool UsingDX8(IDirectMusicStyle* pFromStyle = NULL,
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IDirectMusicChordMap* pFromChordMap = NULL,
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IDirectMusicSegment* pFromSegment = NULL,
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DMUS_COMMAND_PARAM_2* pCommand = NULL,
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DMUS_CHORD_PARAM* pLastChord = NULL)
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{
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return
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(m_dwFlags & COMPOSEF_USING_DX8) ||
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HasDX8Content(pFromStyle, pFromChordMap, pFromSegment, pCommand, pLastChord);
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}
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TListItem<DMSignPost>* ChooseSignPost(
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IDirectMusicChordMap* pChordMap,
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DMChordData* pNextChord,
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bool fEnding,
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DWORD dwScale,
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BYTE bRoot);
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HRESULT ComposePlayListFromTemplate(IDirectMusicStyle* pStyle,
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IDirectMusicChordMap* pChordMap,
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IDirectMusicTrack* pChordMapTrack,
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IDirectMusicTrack* pSignPostTrack,
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IDirectMusicTrack* pCommandTrack,
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DWORD dwGroupBits,
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MUSIC_TIME mtLength,
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bool fUseActivity,
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DWORD dwActivity,
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TList<PlayChord>& rPlayList,
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BYTE& rbRoot,
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DWORD& rdwScale);
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IDirectMusicGraph* CloneSegmentGraph(IDirectMusicSegment* pSegment);
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IUnknown* GetSegmentAudioPath(IDirectMusicSegment* pSegment, DWORD dwFlags, DWORD* pdwAudioPath = NULL);
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protected: // attributes
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long m_cRef;
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TListItem<DMChordData*>* m_pChords;
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DWORD m_dwFlags; // variaous flags
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CRITICAL_SECTION m_CriticalSection; // for i/o
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BOOL m_fCSInitialized;
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};
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void ChangeCommand(DMUS_COMMAND_PARAM& rResult, DMUS_COMMAND_PARAM& rCommand, int nDirection);
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#endif //__DMCOMPOS_H_
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