00001 /* 00002 # Copyright (c) 2011 Louis du Verdier 00003 # 00004 # Permission is hereby granted, free of charge, to any person obtaining a copy 00005 # of this software and associated documentation files (the "Software"), to deal 00006 # in the Software without restriction, including without limitation the rights 00007 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00008 # copies of the Software, and to permit persons to whom the Software is 00009 # furnished to do so, subject to the following conditions: 00010 # 00011 # The above copyright notice and this permission notice shall be included in 00012 # all copies or substantial portions of the Software. 00013 # 00014 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00015 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00016 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00017 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00018 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00019 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00020 # THE SOFTWARE. 00021 */ 00022 00023 #ifndef ECGVIEWER_H 00024 #define ECGVIEWER_H 00025 00026 #include <QtDeclarative> 00027 #include <QtGui> 00028 00029 #define POINTS_PER_SECOND 1000 00030 00031 class ECGViewer : public QDeclarativeItem 00032 { 00033 Q_OBJECT 00034 Q_DISABLE_COPY(ECGViewer) 00035 Q_PROPERTY(int duration READ getDuration WRITE setDuration NOTIFY durationChanged) 00036 Q_PROPERTY(int yInterval READ getYInterval WRITE setYInterval NOTIFY yIntervalChanged) 00037 Q_PROPERTY(int pWidth READ getPWidth WRITE setPWidth NOTIFY pWidthChanged) 00038 Q_PROPERTY(QColor color READ getColor WRITE setColor NOTIFY colorChanged) 00039 00040 public: 00041 explicit ECGViewer(); 00043 int getDuration() const; 00045 int getYInterval() const; 00047 int getPWidth() const; 00049 QColor getColor() const; 00051 void setDuration(const int&); 00053 void setYInterval(const int&); 00055 void setPWidth(const int&); 00057 void setColor(const QColor&); 00059 Q_SIGNAL void durationChanged(); 00061 Q_SIGNAL void yIntervalChanged(); 00063 Q_SIGNAL void pWidthChanged(); 00065 Q_SIGNAL void colorChanged(); 00066 Q_INVOKABLE void addPoint(const float&); 00067 Q_INVOKABLE void refresh(); 00068 Q_INVOKABLE void clear(); 00069 00070 protected: 00071 void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget*); 00072 00073 private: 00075 QList<float> _points; 00077 int _duration; 00079 int _yInterval; 00081 int _pWidth; 00083 QColor _color; 00084 }; 00085 00086 QML_DECLARE_TYPE(ECGViewer) 00087 00088 #endif // ECGVIEWER_H