centralize and fixup example sources install targets

This follows suit with aeb036e in qtbase. Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: hjk <qthjk@ovi.com>
2012-12-05 13:03:09 +01:00
parent 90c8ba233b
commit 6b4994c265
407 changed files with 216 additions and 271 deletions
--- a/examples/multimedia/spectrum/app/spectrograph.h
+++ b/examples/multimedia/spectrum/app/spectrograph.h
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+**     of its contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SPECTROGRAPH_H
+#define SPECTROGRAPH_H
+
+#include "frequencyspectrum.h"
+
+#include <QWidget>
+
+/**
+ * Widget which displays a spectrograph showing the frequency spectrum
+ * of the window of audio samples most recently analyzed by the Engine.
+ */
+class Spectrograph : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit Spectrograph(QWidget *parent = 0);
+    ~Spectrograph();
+
+    void setParams(int numBars, qreal lowFreq, qreal highFreq);
+
+    // QObject
+    void timerEvent(QTimerEvent *event);
+
+    // QWidget
+    void paintEvent(QPaintEvent *event);
+    void mousePressEvent(QMouseEvent *event);
+
+signals:
+    void infoMessage(const QString &message, int intervalMs);
+
+public slots:
+    void reset();
+    void spectrumChanged(const FrequencySpectrum &spectrum);
+
+private:
+    int barIndex(qreal frequency) const;
+    QPair<qreal, qreal> barRange(int barIndex) const;
+    void updateBars();
+
+    void selectBar(int index);
+
+private:
+    struct Bar {
+        Bar() : value(0.0), clipped(false) { }
+        qreal   value;
+        bool    clipped;
+    };
+
+    QVector<Bar>        m_bars;
+    int                 m_barSelected;
+    int                 m_timerId;
+    qreal               m_lowFreq;
+    qreal               m_highFreq;
+    FrequencySpectrum   m_spectrum;
+};
+
+#endif // SPECTROGRAPH_H