Horizontal grid overlay

This commit is contained in:
Mark Watkins 2011-08-25 20:38:42 +10:00
parent 631b324405
commit 58f1933dcd
5 changed files with 196 additions and 16 deletions

View File

@ -806,11 +806,18 @@ void gGraphView::paintGL()
glColor4f(0,0,0,1);
//if (i<numgraphs-1) {
glBegin(GL_QUADS);
glColor4f(.5,.5,.5,1.0);
glVertex2f(0,py+h);
glVertex2f(w,py+h);
glColor4f(.7,.7,.7,1.0);
glVertex2f(w,py+h+graphSpacer/2.0);
glVertex2f(0,py+h+graphSpacer/2.0);
glColor4f(1,1,1,1.0);
glVertex2f(0,py+h+graphSpacer/2.0);
glVertex2f(w,py+h+graphSpacer/2.0);
glColor4f(.3,.3,.3,1.0);
glVertex2i(0,py+h);
glVertex2i(w,py+h);
glVertex2i(w,py+h+graphSpacer);
glVertex2i(0,py+h+graphSpacer);
glVertex2f(w,py+h+graphSpacer);
glVertex2f(0,py+h+graphSpacer);
glEnd();
//}
}
@ -968,6 +975,7 @@ void gGraphView::mousePressEvent(QMouseEvent * event)
} else { // send event to graph..
m_global_point_clicked=QPoint(x,y);
m_point_clicked=QPoint (x-titleWidth,y-py);
m_selected_graph=m_graphs[i];
QMouseEvent e(event->type(),m_point_clicked,event->button(),event->buttons(),event->modifiers());
@ -1033,7 +1041,7 @@ void gGraphView::mouseDoubleClickEvent(QMouseEvent * event)
h=m_graphs[i]->height()*m_scaleY;
if (py>height())
break; // we are done.. can't draw anymore
break;
if ((py + h + graphSpacer) >= 0) {
if ((y >= py) && (y <= py + h)) {

View File

@ -192,7 +192,7 @@ public:
void setScrollBar(MyScrollBar *sb);
MyScrollBar * scrollBar() { return m_scrollbar; }
static const int titleWidth=30;
static const int graphSpacer=4;
static const int graphSpacer=5;
float findTop(gGraph * graph);

View File

@ -12,16 +12,167 @@ gYSpacer::gYSpacer(int spacer) :Layer(EmptyChannel)
{
};
gXGrid::gXGrid(QColor col)
:Layer(EmptyChannel)
{
m_major_color=QColor(190,190,190,64);
m_minor_color=QColor(220,220,220,64);
m_show_major_lines=true;
m_show_minor_lines=true;
}
gXGrid::~gXGrid()
{
}
void gXGrid::paint(gGraph & w,int left,int top, int width, int height)
{
float x,y;
double miny=w.min_y;
double maxy=w.max_y;
if (miny<0) {
miny=-MAX(fabs(miny),fabs(maxy));
}
double dy=maxy-miny;
if (dy<=0) {
//miny=miny;
maxy++;
dy=1;
}
int m;
if (maxy>500) {
m=ceil(maxy/100.0);
maxy=m*100;
m=floor(miny/100.0);
miny=m*100;
} else if (maxy>150) {
m=ceil(maxy/50.0);
maxy=m*50;
m=floor(miny/50.0);
miny=m*50;
} else if (maxy>80) {
m=ceil(maxy/20.0);
maxy=m*20;
m=floor(miny/20.0);
miny=m*20;
} else if (maxy>30) {
m=ceil(maxy/10.0);
maxy=m*10;
m=floor(miny/10.0);
miny=m*10;
} else if (maxy>5) {
m=ceil(maxy/5.0);
maxy=m*5;
m=floor(miny/5.0);
miny=m*5;
}
if (height<0) return;
QString fd="0";
GetTextExtent(fd,x,y);
double max_yticks=round(height / (y+15.0)); // plus spacing between lines
double yt=1/max_yticks;
double mxy=MAX(fabs(maxy),fabs(miny));
double mny=miny;
if (miny<0) {
mny=-mxy;
}
double rxy=mxy-mny;
double ymult=height/rxy;
double min_ytick=rxy*yt;
float ty,h;
qint32 vertcnt=0;
GLshort * vertarray=(GLshort *)vertex_array[0];
qint32 minorvertcnt=0;
GLshort * minorvertarray=(GLshort *)vertex_array[1];
qint32 majorvertcnt=0;
GLshort * majorvertarray=(GLshort *)vertex_array[2];
if ((vertarray==NULL) || (minorvertarray==NULL) || (majorvertarray==NULL)) {
qWarning() << "gXGrid::Paint() VertArray==NULL";
return;
}
if (min_ytick<=0) {
qDebug() << "min_ytick error in gXGrid::paint()";
return;
}
if (min_ytick>=1000000) {
min_ytick=100;
}
double q=((maxy-(miny+(min_ytick/2.0)))/min_ytick)*4;
if (q>=maxverts) {
qDebug() << "Would exeed maxverts. Should be another two bounds exceeded messages after this. (I can do a minor optimisation by disabling the other checks if this turns out to be consistent)" << q << maxverts;
}
for (double i=miny; i<=maxy+min_ytick-0.00001; i+=min_ytick) {
ty=(i - miny) * ymult;
h=top+height-ty;
if (m_show_major_lines && (i > miny)) {
majorvertarray[majorvertcnt++]=left;
majorvertarray[majorvertcnt++]=h;
majorvertarray[majorvertcnt++]=left+width;
majorvertarray[majorvertcnt++]=h;
}
double z=(min_ytick/4)*ymult;
double g=h;
for (int i=0;i<3;i++) {
g+=z;
if (g>top+height) break;
if (vertcnt>=maxverts) {
qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
break;
}
if (m_show_minor_lines) {// && (i > miny)) {
minorvertarray[minorvertcnt++]=left;
minorvertarray[minorvertcnt++]=g;
minorvertarray[minorvertcnt++]=left+width;
minorvertarray[minorvertcnt++]=g;
}
}
if (vertcnt>=maxverts) {
qWarning() << "vertarray bounds exceeded in gYAxis for " << w.title() << "graph" << "MinY =" <<miny << "MaxY =" << maxy << "min_ytick=" <<min_ytick;
break;
}
}
if (vertcnt>=maxverts) {
qWarning() << "gXGrid tickers and display should be corrupted, because something dumb is happening in " << w.title() << "graph";
return;
}
// Draw the lines & ticks
// Turn on blending??
glLineWidth(1);
glEnableClientState(GL_VERTEX_ARRAY);
w.qglColor(m_minor_color);
glVertexPointer(2, GL_SHORT, 0, minorvertarray);
glDrawArrays(GL_LINES, 0, minorvertcnt>>1);
w.qglColor(m_major_color);
glVertexPointer(2, GL_SHORT, 0, majorvertarray);
glDrawArrays(GL_LINES, 0, majorvertcnt>>1);
glDisableClientState(GL_VERTEX_ARRAY); // deactivate vertex arrays after drawing
}
gYAxis::gYAxis(QColor col)
:Layer(EmptyChannel)
{
m_line_color=col;
m_text_color=col;
m_major_color=QColor(190,190,190,64);
m_minor_color=QColor(220,220,220,64);
//m_major_color=QColor(190,190,190,64);
//m_minor_color=QColor(220,220,220,64);
m_show_major_lines=true;
m_show_minor_lines=true;
m_yaxis_scale=1;
}
gYAxis::~gYAxis()
@ -196,12 +347,12 @@ void gYAxis::paint(gGraph & w,int left,int top, int width, int height)
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(2, GL_SHORT, 0, vertarray);
glDrawArrays(GL_LINES, 0, vertcnt>>1);
w.qglColor(m_minor_color);
/*w.qglColor(m_minor_color);
glVertexPointer(2, GL_SHORT, 0, minorvertarray);
glDrawArrays(GL_LINES, 0, minorvertcnt>>1);
w.qglColor(m_major_color);
glVertexPointer(2, GL_SHORT, 0, majorvertarray);
glDrawArrays(GL_LINES, 0, majorvertcnt>>1);
glDrawArrays(GL_LINES, 0, majorvertcnt>>1); */
glDisableClientState(GL_VERTEX_ARRAY); // deactivate vertex arrays after drawing
}

View File

@ -17,9 +17,23 @@ class gYSpacer:public Layer
};
/*class gYGrid:public Layer
class gXGrid:public Layer
{
};*/
public:
gXGrid(QColor col=QColor("black"));
virtual ~gXGrid();
virtual void paint(gGraph & w,int left,int top, int width, int height);
void setShowMinorLines(bool b) { m_show_minor_lines=b; }
void setShowMajorLines(bool b) { m_show_major_lines=b; }
bool showMinorLines() { return m_show_minor_lines; }
bool showMajorLines() { return m_show_major_lines; }
protected:
bool m_show_major_lines;
bool m_show_minor_lines;
QColor m_major_color;
QColor m_minor_color;
};
class gYAxis:public Layer
{
@ -49,8 +63,6 @@ class gYAxis:public Layer
QColor m_line_color;
QColor m_text_color;
QColor m_major_color;
QColor m_minor_color;
};

View File

@ -93,6 +93,7 @@ Daily::Daily(QWidget *parent,QGLWidget * shared, MainWindow *mw)
SF->AddLayer(new gFooBar(),LayerBottom,0,10);
SF->AddLayer(new gXAxis(),LayerBottom,0,gXAxis::Margin);
PRD->AddLayer(new gXGrid());
PRD->AddLayer(AddCPAP(new gLineChart(CPAP_Pressure,QColor("dark green"),true)));
PRD->AddLayer(AddCPAP(new gLineChart(CPAP_EPAP,Qt::blue,true)));
PRD->AddLayer(AddCPAP(new gLineChart(CPAP_IPAP,Qt::red,true)));
@ -102,6 +103,7 @@ Daily::Daily(QWidget *parent,QGLWidget * shared, MainWindow *mw)
gLineChart *l;
l=new gLineChart(CPAP_FlowRate,Qt::black,false,false);
AddCPAP(l);
FRW->AddLayer(new gXGrid());
FRW->AddLayer(l);
FRW->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
FRW->AddLayer(new gXAxis(),LayerBottom,0,20);
@ -120,30 +122,37 @@ Daily::Daily(QWidget *parent,QGLWidget * shared, MainWindow *mw)
FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Obstructive,QColor("#40c0ff"),"OA")));
FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_ClearAirway,QColor("purple"),"CA")));
LEAK->AddLayer(new gXGrid());
LEAK->AddLayer(AddCPAP(new gLineChart(CPAP_Leak,Qt::darkYellow,true)));
LEAK->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
LEAK->AddLayer(new gXAxis(),LayerBottom,0,20);
SNORE->AddLayer(new gXGrid());
SNORE->AddLayer(AddCPAP(new gLineChart(CPAP_Snore,Qt::darkGray,true)));
SNORE->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
SNORE->AddLayer(new gXAxis(),LayerBottom,0,20);
MP->AddLayer(new gXGrid());
MP->AddLayer(AddCPAP(new gLineChart(CPAP_MaskPressure,Qt::blue,false)));
MP->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
MP->AddLayer(new gXAxis(),LayerBottom,0,20);
RR->AddLayer(new gXGrid());
RR->AddLayer(AddCPAP(new gLineChart(CPAP_RespiratoryRate,Qt::darkMagenta,true)));
RR->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
RR->AddLayer(new gXAxis(),LayerBottom,0,20);
MV->AddLayer(new gXGrid());
MV->AddLayer(AddCPAP(new gLineChart(CPAP_MinuteVentilation,Qt::darkCyan,true)));
MV->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
MV->AddLayer(new gXAxis(),LayerBottom,0,20);
TV->AddLayer(new gXGrid());
TV->AddLayer(AddCPAP(new gLineChart(CPAP_TidalVolume,Qt::magenta,true)));
TV->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
TV->AddLayer(new gXAxis(),LayerBottom,0,20);
FLG->AddLayer(new gXGrid());
FLG->AddLayer(AddCPAP(new gLineChart(CPAP_FlowLimitGraph,Qt::darkBlue,true)));
FLG->AddLayer(new gYAxis(),LayerLeft,gYAxis::Margin);
FLG->AddLayer(new gXAxis(),LayerBottom,0,20);