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Diffstat (limited to '')
-rw-r--r-- | src/cpp/hrGraph.cpp | 134 | ||||
-rw-r--r-- | src/cpp/hrGraph.h | 87 |
2 files changed, 221 insertions, 0 deletions
diff --git a/src/cpp/hrGraph.cpp b/src/cpp/hrGraph.cpp new file mode 100644 index 0000000..fa264c6 --- /dev/null +++ b/src/cpp/hrGraph.cpp @@ -0,0 +1,134 @@ +/* + * Copyright (C) 2023 Arseniy Movshev <dodoradio@outlook.com> + * 2017 Florent Revest <revestflo@gmail.com> + * All rights reserved. + * + * You may use this file under the terms of 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 the author 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 HOLDERS 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. + */ + +#include "hrGraph.h" + +#include <QPainter> +#include <QDate> +#include <QFile> +#include <QVector> +#include <QSettings> +#include <QStandardPaths> +#include <QPointF> + +HrGraph::HrGraph() +{ + setFlag(ItemHasContents, true); + setAntialiasing(true); + setRenderTarget(QQuickPaintedItem::FramebufferObject); +} + +void HrGraph::paint(QPainter *painter) +{ + if (!m_fileLoadStatus) { + return; + } + int j = m_filedata.count(); + QPointF points[j]; + if (!graphRelative) { + minHrValue = 0; + } + float valueDelta = maxHrValue - minHrValue; + float timeDelta = maxTime - minTime; + float calculatedValue = 0; + float calculatedTimeSeconds = 0; + for(int i = 0; i < j; i++) { + calculatedTimeSeconds = (m_filedata[i].x() - minTime)/timeDelta; + calculatedValue = 1 - (m_filedata[i].y() - minHrValue)/valueDelta; + points[i] = QPointF(m_lineWidth + calculatedTimeSeconds*(width()-2*m_lineWidth), m_lineWidth + calculatedValue*(height()-2*m_lineWidth)); //these +2 -1 are here to make sure that the graph fits within the drawn area, as it will be clipped by qt if it doesn't. + } + QPen pen; + pen.setCapStyle(Qt::RoundCap); + pen.setJoinStyle(Qt::RoundJoin); + pen.setWidthF(m_lineWidth); + pen.setColor(m_color); + painter->setRenderHints(QPainter::Antialiasing); + painter->setPen(pen); + painter->drawPolyline(points,j); +} + +void HrGraph::loadGraphData(QVariant fileDataInput) { + qDebug() << "loadGraphData called"; + QList<QVariant> fileDataAsList = fileDataInput.toList(); + int j = fileDataAsList.count(); + minTime = fileDataAsList[0].toPoint().x(); + maxTime = fileDataAsList[j-1].toPoint().x(); + minHrValue = fileDataAsList[0].toPoint().y(); + maxHrValue = minHrValue; + m_filedata.clear(); + for(int i = 0; i < j; i++) { + m_filedata.append(fileDataAsList[i].toPoint()); + if (minHrValue > m_filedata[i].y()) minHrValue = m_filedata[i].y(); + if (maxHrValue < m_filedata[i].y()) maxHrValue = m_filedata[i].y(); + } + update(); +} + +void HrGraph::setLineColor(QColor color) { + m_color = color; + update(); +} + +QColor HrGraph::lineColor() { + return m_color; +} + +void HrGraph::setLineWidth(float width) { + m_lineWidth = width; + update(); +} + +float HrGraph::lineWidth() { + return m_lineWidth; +} + +int HrGraph::getMaxHrValue() { + return maxHrValue; +} + +int HrGraph::getMinHrValue() { + return minHrValue; +} + +QDateTime HrGraph::getMaxTime() { + return QDateTime::fromSecsSinceEpoch(maxTime); +} + +QDateTime HrGraph::getMinTime() { + return QDateTime::fromSecsSinceEpoch(minTime); +} + +bool HrGraph::relative() { + return graphRelative; +} + +void HrGraph::setRelative(bool newRelative) { + graphRelative = newRelative; +} diff --git a/src/cpp/hrGraph.h b/src/cpp/hrGraph.h new file mode 100644 index 0000000..63d2f17 --- /dev/null +++ b/src/cpp/hrGraph.h @@ -0,0 +1,87 @@ +/* + * Copyright (C) 2017 Florent Revest <revestflo@gmail.com> + * All rights reserved. + * + * You may use this file under the terms of 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 the author 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 HOLDERS 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. + */ + +#ifndef HRGRAPH_H +#define HRGRAPH_H + +#include <QQuickPaintedItem> +#include <QPixmap> +#include <QDateTime> +#include <QVector> +#include <QPointF> + +class HrGraph : public QQuickPaintedItem +{ + Q_OBJECT + + Q_PROPERTY(float lineWidth READ lineWidth WRITE setLineWidth) + Q_PROPERTY(QColor lineColor READ lineColor WRITE setLineColor NOTIFY lineColorChanged) + Q_PROPERTY(int maxValue READ getMaxHrValue NOTIFY loadingDone) + Q_PROPERTY(int minValue READ getMinHrValue NOTIFY loadingDone) + Q_PROPERTY(QDateTime maxTime READ getMaxTime NOTIFY loadingDone) + Q_PROPERTY(QDateTime minTime READ getMinTime NOTIFY loadingDone) + Q_PROPERTY(bool relativeMode READ relative WRITE setRelative) + +public: + Q_INVOKABLE void loadGraphData(QVariant fileDataInput); + HrGraph(); + void paint(QPainter *painter) override; + +signals: + void loadingDone(); + void lineColorChanged(); + +public slots: + float lineWidth(); + void setLineWidth(float width); + QColor lineColor(); + void setLineColor(QColor color); + int getMaxHrValue(); + int getMinHrValue(); + QDateTime getMaxTime(); + QDateTime getMinTime(); + bool relative(); + void setRelative(bool newRelative); + +private: + void updateBasePixmap(); + + float m_lineWidth = 0; + QColor m_color = QColor(255,255,255); + QPixmap m_pixmap; + QList<QPointF> m_filedata; + bool m_fileLoadStatus; + int minHrValue = 0; + int maxHrValue = 0; + int minTime; + int maxTime; + bool graphRelative; +}; + +#endif // ICON_H |