diff options
author | Joerg Bornemann <joerg.bornemann@digia.com> | 2012-12-05 13:03:09 +0100 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-12-05 18:20:35 +0100 |
commit | 6b4994c265889db2058b7d5850b51ddfc5478754 (patch) | |
tree | 623e53eb8004b6b8ecdb7e2867ab489dde606fac /examples/multimediawidgets/player/histogramwidget.h | |
parent | 90c8ba233b77ed74012de3b5598a7617672e9d31 (diff) |
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>
Diffstat (limited to 'examples/multimediawidgets/player/histogramwidget.h')
-rw-r--r-- | examples/multimediawidgets/player/histogramwidget.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/examples/multimediawidgets/player/histogramwidget.h b/examples/multimediawidgets/player/histogramwidget.h new file mode 100644 index 000000000..6a8aa16fe --- /dev/null +++ b/examples/multimediawidgets/player/histogramwidget.h @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** 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 HISTOGRAMWIDGET_H +#define HISTOGRAMWIDGET_H + +#include <QThread> +#include <QVideoFrame> +#include <QWidget> + +class FrameProcessor: public QObject +{ + Q_OBJECT + +public slots: + void processFrame(QVideoFrame frame, int levels); + +signals: + void histogramReady(QVector<qreal> histogram); +}; + +class HistogramWidget : public QWidget +{ + Q_OBJECT + +public: + explicit HistogramWidget(QWidget *parent = 0); + ~HistogramWidget(); + void setLevels(int levels) { m_levels = levels; } + +public slots: + void processFrame(QVideoFrame frame); + void setHistogram(QVector<qreal> histogram); + +protected: + void paintEvent(QPaintEvent *event); + +private: + QVector<qreal> m_histogram; + int m_levels; + FrameProcessor m_processor; + QThread m_processorThread; + bool m_isBusy; +}; + +#endif // HISTOGRAMWIDGET_H |