Mercurial > hg > svcore
comparison data/model/SparseTimeValueModel.h @ 147:3a13b0d4934e
* Reorganising code base. This revision will not compile.
author | Chris Cannam |
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date | Mon, 31 Jul 2006 11:44:37 +0000 |
parents | |
children | 4b2ea82fd0ed |
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146:f90fad823cea | 147:3a13b0d4934e |
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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ | |
2 | |
3 /* | |
4 Sonic Visualiser | |
5 An audio file viewer and annotation editor. | |
6 Centre for Digital Music, Queen Mary, University of London. | |
7 This file copyright 2006 Chris Cannam. | |
8 | |
9 This program is free software; you can redistribute it and/or | |
10 modify it under the terms of the GNU General Public License as | |
11 published by the Free Software Foundation; either version 2 of the | |
12 License, or (at your option) any later version. See the file | |
13 COPYING included with this distribution for more information. | |
14 */ | |
15 | |
16 #ifndef _SPARSE_TIME_VALUE_MODEL_H_ | |
17 #define _SPARSE_TIME_VALUE_MODEL_H_ | |
18 | |
19 #include "SparseValueModel.h" | |
20 #include "PlayParameterRepository.h" | |
21 #include "base/RealTime.h" | |
22 | |
23 /** | |
24 * Time/value point type for use in a SparseModel or SparseValueModel. | |
25 * With this point type, the model basically represents a wiggly-line | |
26 * plot with points at arbitrary intervals of the model resolution. | |
27 */ | |
28 | |
29 struct TimeValuePoint | |
30 { | |
31 public: | |
32 TimeValuePoint(long _frame) : frame(_frame), value(0.0f) { } | |
33 TimeValuePoint(long _frame, float _value, QString _label) : | |
34 frame(_frame), value(_value), label(_label) { } | |
35 | |
36 int getDimensions() const { return 2; } | |
37 | |
38 long frame; | |
39 float value; | |
40 QString label; | |
41 | |
42 QString toXmlString(QString indent = "", | |
43 QString extraAttributes = "") const | |
44 { | |
45 return QString("%1<point frame=\"%2\" value=\"%3\" label=\"%4\" %5/>\n") | |
46 .arg(indent).arg(frame).arg(value).arg(label).arg(extraAttributes); | |
47 } | |
48 | |
49 QString toDelimitedDataString(QString delimiter, size_t sampleRate) const | |
50 { | |
51 QStringList list; | |
52 list << RealTime::frame2RealTime(frame, sampleRate).toString().c_str(); | |
53 list << QString("%1").arg(value); | |
54 list << label; | |
55 return list.join(delimiter); | |
56 } | |
57 | |
58 struct Comparator { | |
59 bool operator()(const TimeValuePoint &p1, | |
60 const TimeValuePoint &p2) const { | |
61 if (p1.frame != p2.frame) return p1.frame < p2.frame; | |
62 if (p1.value != p2.value) return p1.value < p2.value; | |
63 return p1.label < p2.label; | |
64 } | |
65 }; | |
66 | |
67 struct OrderComparator { | |
68 bool operator()(const TimeValuePoint &p1, | |
69 const TimeValuePoint &p2) const { | |
70 return p1.frame < p2.frame; | |
71 } | |
72 }; | |
73 }; | |
74 | |
75 | |
76 class SparseTimeValueModel : public SparseValueModel<TimeValuePoint> | |
77 { | |
78 public: | |
79 SparseTimeValueModel(size_t sampleRate, size_t resolution, | |
80 float valueMinimum, float valueMaximum, | |
81 bool notifyOnAdd = true) : | |
82 SparseValueModel<TimeValuePoint>(sampleRate, resolution, | |
83 valueMinimum, valueMaximum, | |
84 notifyOnAdd) | |
85 { | |
86 PlayParameterRepository::getInstance()->addModel(this); | |
87 } | |
88 }; | |
89 | |
90 | |
91 #endif | |
92 | |
93 | |
94 |