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author | Tomi Korpipää <tomi.korpipaa@digia.com> | 2013-09-03 09:03:37 +0300 |
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committer | Tomi Korpipää <tomi.korpipaa@digia.com> | 2013-09-03 09:07:54 +0300 |
commit | 12f78f8ed991d816411b1ba6718a34e8e26e2eb8 (patch) | |
tree | ccd0e9d4ea0853d1a458494bcf0dd1b33a3c9c74 /tests/spectrum/spectrumapp/frequencyspectrum.h | |
parent | de88514dba523734170652d75a5cefcc7feb7c6c (diff) |
Fixed issues from Improve examples task
Task-number: QTRD-2239
+ Moved spectrum to tests
+ Added audiolevels to examples (implementation pending..)
Change-Id: If20ce3014211a82dbe0142557beee5776cf51708
Change-Id: If20ce3014211a82dbe0142557beee5776cf51708
Reviewed-by: Mika Salmela <mika.salmela@digia.com>
Diffstat (limited to 'tests/spectrum/spectrumapp/frequencyspectrum.h')
-rw-r--r-- | tests/spectrum/spectrumapp/frequencyspectrum.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/spectrum/spectrumapp/frequencyspectrum.h b/tests/spectrum/spectrumapp/frequencyspectrum.h new file mode 100644 index 00000000..fac9a1b7 --- /dev/null +++ b/tests/spectrum/spectrumapp/frequencyspectrum.h @@ -0,0 +1,76 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the QtDataVis3D module. +** +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** +****************************************************************************/ + +#ifndef FREQUENCYSPECTRUM_H +#define FREQUENCYSPECTRUM_H + +#include <QtCore/QVector> + +/** + * Represents a frequency spectrum as a series of elements, each of which + * consists of a frequency, an amplitude and a phase. + */ +class FrequencySpectrum { +public: + FrequencySpectrum(int numPoints = 0); + + struct Element { + Element() + : frequency(0.0), amplitude(0.0), phase(0.0), clipped(false) + { } + + /** + * Frequency in Hertz + */ + qreal frequency; + + /** + * Amplitude in range [0.0, 1.0] + */ + qreal amplitude; + + /** + * Phase in range [0.0, 2*PI] + */ + qreal phase; + + /** + * Indicates whether value has been clipped during spectrum analysis + */ + bool clipped; + }; + + typedef QVector<Element>::iterator iterator; + typedef QVector<Element>::const_iterator const_iterator; + + void reset(); + + int count() const; + Element& operator[](int index); + const Element& operator[](int index) const; + iterator begin(); + iterator end(); + const_iterator begin() const; + const_iterator end() const; + +private: + QVector<Element> m_elements; + +}; + +#endif // FREQUENCYSPECTRUM_H |