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Plotting the Events done

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There are subtle differences, the Cairo version looks
prettier - but that's fixable. I did a small triangle
and a exclamation mark on it. maybe a gradient would
make a good difference there.

this item has a ItemIgnoresTransformation tag, so
scalling, rotating or zooming will not change it's
size.

The tooltips are not yet ported.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2013-05-06 18:58:18 -03:00 • committed by Dirk Hohndel
parent 55f31dc011
commit 867435442b
4 changed files with 113 additions and 98 deletions
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104
qt-ui/profilegraphics.cpp
View file

@ -6,6 +6,7 @@
#include <QPen>
#include <QBrush>
#include <QDebug>
#include <QLineF>
#include "../color.h"
#include "../display.h"
@ -106,6 +107,10 @@ struct text_render_options{
double hpos, vpos;
};
extern struct ev_select *ev_namelist;
extern int evn_allocated;
extern int evn_used;
ProfileGraphicsView::ProfileGraphicsView(QWidget* parent) : QGraphicsView(parent)
{
setScene(new QGraphicsScene());
@ -198,9 +203,9 @@ void ProfileGraphicsView::plot(struct dive *dive)
/* Depth profile */
plot_depth_profile(&gc, pi);
#if 0
plot_events(gc, pi, dc);
plot_events(&gc, pi, dc);
#if 0
/* Temperature profile */
plot_temperature_profile(gc, pi);
@ -257,6 +262,101 @@ void ProfileGraphicsView::plot(struct dive *dive)
#endif
}
void ProfileGraphicsView::plot_events(struct graphics_context *gc, struct plot_info *pi, struct divecomputer *dc)
{
struct event *event = dc->events;
// if (gc->printer){
// return;
// }
while (event) {
plot_one_event(gc, pi, event);
event = event->next;
}
}
void ProfileGraphicsView::plot_one_event(struct graphics_context *gc, struct plot_info *pi, struct event *ev)
{
int i, depth = 0;
/* is plotting this event disabled? */
if (ev->name) {
for (i = 0; i < evn_used; i++) {
if (! strcmp(ev->name, ev_namelist[i].ev_name)) {
if (ev_namelist[i].plot_ev)
break;
else
return;
}
}
}
if (ev->time.seconds < 30 && !strcmp(ev->name, "gaschange"))
/* a gas change in the first 30 seconds is the way of some dive computers
* to tell us the gas that is used; let's not plot a marker for that */
return;
for (i = 0; i < pi->nr; i++) {
struct plot_data *data = pi->entry + i;
if (ev->time.seconds < data->sec)
break;
depth = data->depth;
}
/* draw a little triangular marker and attach tooltip */
QPolygonF poly;
poly.push_back(QPointF(-8, 16));
poly.push_back(QPointF(8, 16));
poly.push_back(QPointF(0, 0));
poly.push_back(QPointF(-8, 16));
int x = SCALEX(gc, ev->time.seconds);
int y = SCALEY(gc, depth);
QGraphicsPolygonItem *triangle = new QGraphicsPolygonItem();
triangle->setPolygon(poly);
triangle->setBrush(QBrush(profile_color[ALERT_BG].first()));
triangle->setPen(QPen(QBrush(profile_color[ALERT_FG].first()), 1));
triangle->setFlag(QGraphicsItem::ItemIgnoresTransformations);
triangle->setPos(x, y);
QGraphicsLineItem *line = new QGraphicsLineItem(0,5,0,10, triangle);
line->setPen(QPen(QBrush(Qt::black), 2));
QGraphicsEllipseItem *ball = new QGraphicsEllipseItem(-1, 12, 2,2, triangle);
ball->setBrush(QBrush(Qt::black));
scene()->addItem(triangle);
/* we display the event on screen - so translate */
QString name = tr(ev->name);
if (ev->value) {
if (ev->name && name == "gaschange") {
unsigned int he = ev->value >> 16;
unsigned int o2 = ev->value & 0xffff;
if (he) {
name += QString("%1/%2").arg(o2, he);
} else {
if (o2 == 21)
name += tr(":air");
else
name += QString("%1 %% %2").arg(o2).arg("O" UTF8_SUBSCRIPT_2);
}
} else if (ev->name && !strcmp(ev->name, "SP change")) {
name += QString(":%1").arg( (double) ev->value / 1000 );
} else {
name += QString(":%1").arg(ev->value);
}
} else if (ev->name && name == "SP change") {
name += tr("Bailing out to OC");
} else {
//name += ev->flags == SAMPLE_FLAGS_BEGIN ? C_("Starts with space!"," begin") :
// ev->flags == SAMPLE_FLAGS_END ? C_("Starts with space!", " end") : "";
}
//attach_tooltip(x-6, y, 12, 12, buffer, ev);
}
void ProfileGraphicsView::plot_depth_profile(struct graphics_context *gc, struct plot_info *pi)
{