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Plotting temperature text.

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Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
This commit is contained in:
Tomaz Canabrava 2013-05-09 15:28:50 -03:00 • committed by Dirk Hohndel
parent 17c6db6a5b
commit c62e8e5baa
4 changed files with 59 additions and 52 deletions
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57
qt-ui/profilegraphics.cpp
View file

@ -242,10 +242,13 @@ void ProfileGraphicsView::plot(struct dive *dive)
/* Cylinder pressure plot */
plot_cylinder_pressure(dive, dc);
#if 0
/* Text on top of all graphs.. */
plot_temperature_text(gc, pi);
plot_temperature_text();
plot_depth_text(gc, pi);
#if 0
plot_cylinder_pressure_text(gc, pi);
plot_deco_text(gc, pi);
#endif
@ -289,6 +292,54 @@ void ProfileGraphicsView::plot(struct dive *dive)
#endif
}
void ProfileGraphicsView::plot_temperature_text()
{
int i;
int last = -300, sec = 0;
int last_temperature = 0, last_printed_temp = 0;
plot_info *pi = &gc.pi;
if (!setup_temperature_limits(&gc))
return;
for (i = 0; i < pi->nr; i++) {
struct plot_data *entry = pi->entry+i;
int mkelvin = entry->temperature;
sec = entry->sec;
if (!mkelvin)
continue;
last_temperature = mkelvin;
/* don't print a temperature
* if it's been less than 5min and less than a 2K change OR
* if it's been less than 2min OR if the change from the
* last print is less than .4K (and therefore less than 1F */
if (((sec < last + 300) && (abs(mkelvin - last_printed_temp) < 2000)) ||
(sec < last + 120) ||
(abs(mkelvin - last_printed_temp) < 400))
continue;
last = sec;
plot_single_temp_text(sec,mkelvin);
last_printed_temp = mkelvin;
}
/* it would be nice to print the end temperature, if it's
* different or if the last temperature print has been more
* than a quarter of the dive back */
if ((abs(last_temperature - last_printed_temp) > 500) ||
((double)last / (double)sec < 0.75))
plot_single_temp_text(sec, last_temperature);
}
void ProfileGraphicsView::plot_single_temp_text(int sec, int mkelvin)
{
double deg;
const char *unit;
static text_render_options_t tro = {TEMP_TEXT_SIZE, TEMP_TEXT, LEFT, TOP};
deg = get_temp_units(mkelvin, &unit);
plot_text(&tro, sec, mkelvin, QString("%1%2").arg(deg).arg(unit)); //"%.2g%s"
}
void ProfileGraphicsView::plot_cylinder_pressure(struct dive *dive, struct divecomputer *dc)
{
int i;
@ -716,7 +767,7 @@ void ProfileGraphicsView::plot_temperature_profile()
{
int last = 0;
if (!setup_temperature_limits(&gc, &gc.pi))
if (!setup_temperature_limits(&gc))
return;
QPointF from;

3
qt-ui/profilegraphics.h
View file

@ -97,7 +97,8 @@ private:
void plot_one_event(struct event *event);
void plot_temperature_profile();
void plot_cylinder_pressure(struct dive *dive, struct divecomputer *dc);
void plot_temperature_text();
void plot_single_temp_text(int sec, int mkelvin);
QColor get_sac_color(int sac, int avg_sac);
QPen defaultPen;