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Diffstat (limited to 'AudioManagerPoC/business_logic/src/volumechart.cpp')
-rw-r--r--AudioManagerPoC/business_logic/src/volumechart.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/AudioManagerPoC/business_logic/src/volumechart.cpp b/AudioManagerPoC/business_logic/src/volumechart.cpp
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+++ b/AudioManagerPoC/business_logic/src/volumechart.cpp
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+/**
+ * SPDX license identifier: MPL-2.0
+ *
+ * Copyright (C) 2011-2014, Wind River Systems
+ * Copyright (C) 2014, GENIVI Alliance
+ *
+ * This file is part of GENIVI AudioManager PoC.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License (MPL), v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * For further information see http://www.genivi.org/.
+ *
+ * List of changes:
+ *
+ * 21.09.2014, Adrian Scarlat, First version of the code;
+ * Added Copyright and License information;
+ */
+
+#include <qqmlextensionplugin.h>
+#include <QQmlEngine>
+#include <QQuickItem>
+#include <QQuickImageProvider>
+#include <QQuickView>
+#include <QImage>
+#include <QPainter>
+#include <QDebug>
+
+#include "business_logic/include/volumechart.h"
+
+QList<QList<int> > volumechart::volumes;
+
+
+volumechart::volumechart()
+ : QQuickImageProvider(QQuickImageProvider::Pixmap)
+{
+ QList<int> l1;
+ volumechart::volumes.push_back(l1);
+ QList<int> l2;
+ volumechart::volumes.push_back(l2);
+ QList<int> l3;
+ volumechart::volumes.push_back(l3);
+ QList<int> l4;
+ volumechart::volumes.push_back(l4);
+ QList<int> l5;
+ volumechart::volumes.push_back(l5);
+}
+
+QPixmap volumechart::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
+{
+ int width = 400;
+ int height = 100;
+
+ if (size)
+ *size = QSize(width, height);
+ QPixmap pixmap(requestedSize.width() > 0 ? requestedSize.width() : width,
+ requestedSize.height() > 0 ? requestedSize.height() : height);
+ pixmap.fill(QColor(0, 0, 0));
+
+ QPainter painter(&pixmap);
+ QColor colors[10];
+ colors[0] = Qt::red;
+ colors[1] = Qt::green;
+ colors[2] = Qt::blue;
+ colors[3] = Qt::yellow;
+ colors[4] = Qt::cyan;
+ colors[5] = Qt::magenta;
+ colors[6] = Qt::darkCyan;
+ painter.setRenderHints(QPainter::Antialiasing);
+ for (int src = 0; src < volumes.size(); src++)
+ {
+ painter.setPen(colors[src]);
+ int limitMin = 1;
+ if (volumes[src].size() > 40)
+ {
+ limitMin = volumes[src].size() - 40;
+ }
+ for (int i = limitMin; i < volumes[src].size(); i++)
+ {
+ painter.drawLine((i - 1 - (limitMin -1)) * 10, src * 2 + 75 - volumes[src][i - 1] / 2,
+ (i - (limitMin -1)) * 10, src * 2 + 75 - volumes[src][i]/2);
+ }
+ }
+ return pixmap;
+}