From fbebd35fd855b1f1b24ff4a568bb1eb37c960cef Mon Sep 17 00:00:00 2001
From: Mark Watkins <jedimark@users.sourceforge.net>
Date: Sat, 12 Nov 2011 23:58:58 +1000
Subject: [PATCH] Added live AHI calcs for Waveform Overlay

---
 Graphs/gLineOverlay.cpp | 29 +++++++++++++++++++++++++++++
 Graphs/gLineOverlay.h   | 20 ++++++++++++++++++++
 daily.cpp               | 10 ++++++----
 main.cpp                |  2 --
 4 files changed, 55 insertions(+), 6 deletions(-)

diff --git a/Graphs/gLineOverlay.cpp b/Graphs/gLineOverlay.cpp
index 5ee99093..23b0b954 100644
--- a/Graphs/gLineOverlay.cpp
+++ b/Graphs/gLineOverlay.cpp
@@ -52,7 +52,9 @@ void gLineOverlayBar::paint(gGraph & w, int left, int topp, int width, int heigh
     bool verts_exceeded=false;
     QHash<ChannelID,QVector<EventList *> >::iterator cei;
 
+    m_count=0;
     m_flag_color=schema::channel[m_code].defaultColor();
+
     for (QVector<Session *>::iterator s=m_day->begin();s!=m_day->end(); s++) {
         cei=(*s)->eventlist.find(m_code);
         if (cei==(*s)->eventlist.end()) continue;
@@ -74,6 +76,7 @@ void gLineOverlayBar::paint(gGraph & w, int left, int topp, int width, int heigh
 
             //x1=w.x2p(X);
             x1=double(width)/double(xx)*double(X-w.min_x)+left;
+            m_count++;
             if (m_flt==FT_Span) {
                 //x2=w.x2p(Y);
                 x2=double(width)/double(xx)*double(Y-w.min_x)+left;
@@ -119,3 +122,29 @@ void gLineOverlayBar::paint(gGraph & w, int left, int topp, int width, int heigh
     }
 }
 
+gLineOverlaySummary::gLineOverlaySummary(QString text, int x, int y)
+:Layer(""),m_text(text),m_x(x),m_y(y)
+{
+}
+
+gLineOverlaySummary::~gLineOverlaySummary()
+{
+}
+
+void gLineOverlaySummary::paint(gGraph & w,int left, int top, int width, int height)
+{
+    Q_UNUSED(width);
+    Q_UNUSED(height);
+    float cnt=0;
+    for (int i=0;i<m_overlays.size();i++) {
+        cnt+=m_overlays[i]->count();
+    }
+    double time=w.max_x-w.min_x;
+    time/=3600000;
+
+    //if (time<1) time=1;
+
+    double val=cnt/time;
+    QString a=m_text+"="+QString::number(val,'f',2);
+    w.renderText(a,left+m_x,top+m_y);
+}
diff --git a/Graphs/gLineOverlay.h b/Graphs/gLineOverlay.h
index 2a01fb1c..11e29495 100644
--- a/Graphs/gLineOverlay.h
+++ b/Graphs/gLineOverlay.h
@@ -19,12 +19,32 @@ class gLineOverlayBar:public Layer
         virtual EventDataType Miny() { return 0; }
         virtual EventDataType Maxy() { return 0; }
         virtual bool isEmpty() { return true; }
+        int count() { return m_count; }
     protected:
         QColor m_flag_color;
         QString m_label;
         FlagType m_flt;
+        int m_count;
 
         GLShortBuffer *points,*quads, *lines;
 };
 
+class gLineOverlaySummary:public Layer
+{
+    public:
+        gLineOverlaySummary(QString text, int x, int y);
+        virtual ~gLineOverlaySummary();
+
+        virtual void paint(gGraph & w,int left, int top, int width, int height);
+        virtual EventDataType Miny() { return 0; }
+        virtual EventDataType Maxy() { return 0; }
+        virtual bool isEmpty() { return true; }
+        gLineOverlayBar *add(gLineOverlayBar *bar) { m_overlays.push_back(bar); return bar; }
+    protected:
+        QVector<gLineOverlayBar *> m_overlays;
+        QString m_text;
+        int m_x,m_y;
+  };
+
+
 #endif // GLINEOVERLAY_H
diff --git a/daily.cpp b/daily.cpp
index 1bf2e061..a2eb17fc 100644
--- a/daily.cpp
+++ b/daily.cpp
@@ -128,24 +128,26 @@ Daily::Daily(QWidget *parent,gGraphView * shared, MainWindow *mw)
 
     gLineChart *l;
     l=new gLineChart(CPAP_FlowRate,Qt::black,false,false);
+    gLineOverlaySummary *los=new gLineOverlaySummary("AHI",5,-3);
     AddCPAP(l);
     FRW->AddLayer(new gXGrid());
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_CSR,QColor("light green"),"CSR",FT_Span)));
     FRW->AddLayer(l);
     FRW->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
     FRW->AddLayer(new gXAxis(),LayerBottom,0,20);
-    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Hypopnea,QColor("blue"),"H")));
+    FRW->AddLayer(AddCPAP(los->add(new gLineOverlayBar(CPAP_Hypopnea,QColor("blue"),"H"))));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_PressurePulse,QColor("red"),"PR",FT_Dot)));
     //FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Pressure,QColor("white"),"P",FT_Dot)));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_0B,QColor("blue"),"0B",FT_Dot)));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_10,QColor("orange"),"10",FT_Dot)));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_0E,QColor("dark red"),"0E",FT_Dot)));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_RERA,QColor("gold"),"RE")));
-    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Apnea,QColor("dark green"),"A")));
+    FRW->AddLayer(AddCPAP(los->add(new gLineOverlayBar(CPAP_Apnea,QColor("dark green"),"A"))));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_VSnore,QColor("red"),"VS")));
     FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_FlowLimit,QColor("black"),"FL")));
-    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Obstructive,QColor("#40c0ff"),"OA")));
-    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_ClearAirway,QColor("purple"),"CA")));
+    FRW->AddLayer(AddCPAP(los->add(new gLineOverlayBar(CPAP_Obstructive,QColor("#40c0ff"),"OA"))));
+    FRW->AddLayer(AddCPAP(los->add(new gLineOverlayBar(CPAP_ClearAirway,QColor("purple"),"CA"))));
+    FRW->AddLayer(AddCPAP(los));
 
 
     gGraph *graphs[]={ PRD, LEAK, SNORE, PTB, MP, RR, MV, TV, FLG, IE, TI, TE, SPO2, PLETHY, PULSE,INTPULSE, INTSPO2 };
diff --git a/main.cpp b/main.cpp
index 826d698a..e22ac762 100644
--- a/main.cpp
+++ b/main.cpp
@@ -13,13 +13,11 @@
 #include <QPushButton>
 #include <QWebFrame>
 
-
 #include "SleepLib/schema.h"
 #include "mainwindow.h"
 #include "SleepLib/profiles.h"
 #include "profileselect.h"
 #include "newprofile.h"
-
 #include "SleepLib/loader_plugins/prs1_loader.h"
 #include "SleepLib/loader_plugins/cms50_loader.h"
 #include "SleepLib/loader_plugins/zeo_loader.h"