Created
June 14, 2015 18:59
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Хэшмап с нотами для быстрого получения частоты ноты по её названию
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unit NotesSerializer; | |
interface | |
uses | |
NotesInfo, Generics.Collections; | |
type | |
TNotesSerializer = class | |
private | |
FNotesDictionary: TDictionary<string, Single>; | |
public | |
constructor Create; | |
destructor Destroy; override; | |
function GetFrequency(NoteName: string): Single; | |
end; | |
var | |
NotesList: TNotesSerializer; | |
implementation | |
{ TNotesSerializer } | |
constructor TNotesSerializer.Create; | |
var | |
I: Integer; | |
begin | |
FNotesDictionary := TDictionary<string, Single>.Create; | |
for I := 0 to Length(Notes) - 1 do | |
FNotesDictionary.Add(Notes[I], ChromaticGamma[I]); | |
end; | |
destructor TNotesSerializer.Destroy; | |
begin | |
FNotesDictionary.Destroy; | |
end; | |
function TNotesSerializer.GetFrequency(NoteName: string): Single; | |
begin | |
if not FNotesDictionary.TryGetValue(NoteName, Result) then Result := 0; | |
end; | |
initialization | |
NotesList := TNotesSerializer.Create; | |
finalization | |
NotesList.Destroy; | |
end. |
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