cairo_show_text(cr, buffer);
}
+struct ev_select {
+ char *ev_name;
+ gboolean plot_ev;
+};
+static struct ev_select *ev_namelist;
+static int evn_allocated;
+static int evn_used;
+
+void evn_foreach(void (*callback)(const char *, int *, void *), void *data)
+{
+ int i;
+
+ for (i = 0; i < evn_used; i++) {
+ callback(ev_namelist[i].ev_name, &ev_namelist[i].plot_ev, data);
+ }
+}
+
+void remember_event(const char *eventname)
+{
+ int i=0, len;
+
+ if (!eventname || (len = strlen(eventname)) == 0)
+ return;
+ while (i < evn_used) {
+ if (!strncmp(eventname,ev_namelist[i].ev_name,len))
+ return;
+ i++;
+ }
+ if (evn_used == evn_allocated) {
+ evn_allocated += 10;
+ ev_namelist = realloc(ev_namelist, evn_allocated * sizeof(struct ev_select));
+ if (! ev_namelist)
+ /* we are screwed, but let's just bail out */
+ return;
+ }
+ ev_namelist[evn_used].ev_name = strdup(eventname);
+ ev_namelist[evn_used].plot_ev = TRUE;
+ evn_used++;
+}
+
static void plot_one_event(struct graphics_context *gc, struct plot_info *pi, struct event *event, const text_render_options_t *tro)
{
int i, depth = 0;
int x,y;
+ /* is plotting this event disabled? */
+ if (event->name) {
+ for (i = 0; i < evn_used; i++) {
+ if (! strcmp(event->name, ev_namelist[i].ev_name)) {
+ if (ev_namelist[i].plot_ev)
+ break;
+ else
+ return;
+ }
+ }
+ }
for (i = 0; i < pi->nr; i++) {
struct plot_data *data = pi->entry + i;
if (event->time.seconds < data->sec)
static const text_render_options_t deep = {14, 1.0, 0.2, 0.2, CENTER, TOP};
static const text_render_options_t shallow = {14, 1.0, 0.2, 0.2, CENTER, BOTTOM};
int i;
+ int last = -1;
for (i = 0; i < pi->nr; i++) {
struct plot_data *entry = pi->entry + i;
if (entry->depth < 2000)
continue;
- if (entry == entry->max[2])
+ if ((entry == entry->max[2]) && entry->depth != last) {
render_depth_sample(gc, entry, &deep);
+ last = entry->depth;
+ }
- if (entry == entry->min[2])
+ if ((entry == entry->min[2]) && entry->depth != last) {
render_depth_sample(gc, entry, &shallow);
+ last = entry->depth;
+ }
+
+ if (entry->depth != last)
+ last = -1;
}
}
static void plot_single_temp_text(struct graphics_context *gc, int sec, int mkelvin)
{
- int deg;
+ double deg;
const char *unit;
static const text_render_options_t tro = {12, 0.2, 0.2, 1.0, LEFT, TOP};
- temperature_t temperature = { mkelvin };
- if (output_units.temperature == FAHRENHEIT) {
- deg = to_F(temperature);
- unit = UTF8_DEGREE "F";
- } else {
- deg = to_C(temperature);
- unit = UTF8_DEGREE "C";
- }
- plot_text(gc, &tro, sec, temperature.mkelvin, "%d%s", deg, unit);
+ deg = get_temp_units(mkelvin, &unit);
+
+ plot_text(gc, &tro, sec, mkelvin, "%d%s", (int)(deg + 0.5), unit);
}
static void plot_temperature_text(struct graphics_context *gc, struct plot_info *pi)
plot_pressure_helper(gc, pi, INTERPOLATED_PR);
}
-static int mbar_to_PSI(int mbar)
-{
- pressure_t p = {mbar};
- return to_PSI(p);
-}
-
static void plot_pressure_value(struct graphics_context *gc, int mbar, int sec,
int xalign, int yalign)
{
int pressure;
const char *unit;
- switch (output_units.pressure) {
- case PASCAL:
- pressure = mbar * 100;
- unit = "pascal";
- break;
- case BAR:
- pressure = (mbar + 500) / 1000;
- unit = "bar";
- break;
- case PSI:
- pressure = mbar_to_PSI(mbar);
- unit = "psi";
- break;
- }
+ pressure = get_pressure_units(mbar, &unit);
text_render_options_t tro = {10, 0.2, 1.0, 0.2, xalign, yalign};
plot_text(gc, &tro, sec, mbar, "%d %s", pressure, unit);
}
return;
/* only loop over the actual events from the dive computer */
- for (i = 2; i < pi->nr - 2; i++) {
+ for (i = 2; i < pi->nr; i++) {
entry = pi->entry + i;
if (!entry->same_cylinder) {
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
cur_pr[cyl] = track_pr[cyl]->start;
}
- for (i = 0; i < dive->samples; i++) {
- entry = pi->entry + i + 2;
+
+ /* The first two are "fillers" */
+ for (i = 2; i < pi->nr; i++) {
+ entry = pi->entry + i;
if (SENSOR_PRESSURE(entry)) {
cur_pr[entry->cylinderindex] = SENSOR_PRESSURE(entry);
} else {
}
}
+static int get_cylinder_index(struct dive *dive, struct event *ev)
+{
+ int i;
+
+ /*
+ * Try to find a cylinder that matches the O2 percentage
+ * in the gas change event 'value' field.
+ *
+ * Crazy suunto gas change events. We really should do
+ * this in libdivecomputer or something.
+ */
+ for (i = 0; i < MAX_CYLINDERS; i++) {
+ cylinder_t *cyl = dive->cylinder+i;
+ int o2 = (cyl->gasmix.o2.permille + 5) / 10;
+ if (o2 == ev->value)
+ return i;
+ }
+
+ return 0;
+}
+
+static struct event *get_next_gaschange(struct event *event)
+{
+ while (event) {
+ if (!strcmp(event->name, "gaschange"))
+ return event;
+ event = event->next;
+ }
+ return event;
+}
+
+static int set_cylinder_index(struct plot_info *pi, int i, int cylinderindex, unsigned int end)
+{
+ while (i < pi->nr) {
+ struct plot_data *entry = pi->entry+i;
+ if (entry->sec > end)
+ break;
+ if (entry->cylinderindex != cylinderindex) {
+ entry->cylinderindex = cylinderindex;
+ entry->pressure[0] = 0;
+ }
+ i++;
+ }
+ return i;
+}
+
+static void check_gas_change_events(struct dive *dive, struct plot_info *pi)
+{
+ int i = 0, cylinderindex = 0;
+ struct event *ev = get_next_gaschange(dive->events);
+
+ if (!ev)
+ return;
+
+ do {
+ i = set_cylinder_index(pi, i, cylinderindex, ev->time.seconds);
+ cylinderindex = get_cylinder_index(dive, ev);
+ ev = get_next_gaschange(ev->next);
+ } while (ev);
+ set_cylinder_index(pi, i, cylinderindex, ~0u);
+}
+
/*
* Create a plot-info with smoothing and ranged min/max
*
* sides, so that you can do end-points without having to worry
* about it.
*/
-static struct plot_info *create_plot_info(struct dive *dive)
+static struct plot_info *create_plot_info(struct dive *dive, int nr_samples, struct sample *dive_sample)
{
int cylinderindex = -1;
int lastdepth, lastindex;
- int i, nr = dive->samples + 4, sec, cyl;
+ int i, nr = nr_samples + 4, sec, cyl;
size_t alloc_size = plot_info_size(nr);
struct plot_info *pi;
pr_track_t *track_pr[MAX_CYLINDERS] = {NULL, };
pr_track_t *pr_track, *current;
gboolean missing_pr = FALSE;
- struct plot_data *entry;
+ struct plot_data *entry = NULL;
pi = malloc(alloc_size);
if (!pi)
sec = 0;
lastindex = 0;
lastdepth = -1;
- for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) /* initialize the start pressures */
- track_pr[cyl] = pr_track_alloc(dive->cylinder[cyl].start.mbar, -1);
- current = track_pr[dive->sample[0].cylinderindex];
- for (i = 0; i < dive->samples; i++) {
+ for (i = 0; i < nr_samples; i++) {
int depth;
- struct sample *sample = dive->sample+i;
+ struct sample *sample = dive_sample+i;
entry = pi->entry + i + 2;
sec = entry->sec = sample->time.seconds;
depth = entry->depth = sample->depth.mm;
- entry->same_cylinder = sample->cylinderindex == cylinderindex;
- entry->cylinderindex = cylinderindex = sample->cylinderindex;
+ entry->cylinderindex = sample->cylinderindex;
SENSOR_PRESSURE(entry) = sample->cylinderpressure.mbar;
+ entry->temperature = sample->temperature.mkelvin;
+
+ if (depth || lastdepth)
+ lastindex = i+2;
+
+ lastdepth = depth;
+ if (depth > pi->maxdepth)
+ pi->maxdepth = depth;
+ }
+
+ check_gas_change_events(dive, pi);
+
+ for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) /* initialize the start pressures */
+ track_pr[cyl] = pr_track_alloc(dive->cylinder[cyl].start.mbar, -1);
+ current = track_pr[pi->entry[2].cylinderindex];
+ for (i = 0; i < nr_samples; i++) {
+ entry = pi->entry + i + 2;
+
+ entry->same_cylinder = entry->cylinderindex == cylinderindex;
+ cylinderindex = entry->cylinderindex;
+
/* track the segments per cylinder and their pressure/time integral */
if (!entry->same_cylinder) {
current->end = SENSOR_PRESSURE(entry-1);
current->pressure_time += (entry->sec - (entry-1)->sec) *
(1 + entry->depth / 10000.0);
missing_pr |= !SENSOR_PRESSURE(entry);
- entry->temperature = sample->temperature.mkelvin;
+ }
- if (depth || lastdepth)
- lastindex = i+2;
+ if (entry)
+ current->t_end = entry->sec;
- lastdepth = depth;
- if (depth > pi->maxdepth)
- pi->maxdepth = depth;
- }
- current->t_end = entry->sec;
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) { /* initialize the end pressures */
int pr = dive->cylinder[cyl].end.mbar;
if (pr && track_pr[cyl]) {
pr_track->end = pr;
}
}
- if (lastdepth)
- lastindex = i + 2;
/* Fill in the last two entries with empty values but valid times */
- i = dive->samples + 2;
+ i = nr_samples + 2;
pi->entry[i].sec = sec + 20;
pi->entry[i+1].sec = sec + 40;
pi->nr = lastindex+1;
void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, struct dive *dive)
{
- struct plot_info *pi = create_plot_info(dive);
+ struct plot_info *pi;
+ static struct sample fake[4];
+ struct sample *sample = dive->sample;
+ int nr = dive->samples;
+
+ if (!nr) {
+ int duration = dive->duration.seconds;
+ int maxdepth = dive->maxdepth.mm;
+ sample = fake;
+ fake[1].time.seconds = duration * 0.05;
+ fake[1].depth.mm = maxdepth;
+ fake[2].time.seconds = duration * 0.95;
+ fake[2].depth.mm = maxdepth;
+ fake[3].time.seconds = duration * 1.00;
+ nr = 4;
+ }
+
+ pi = create_plot_info(dive, nr, sample);
cairo_translate(gc->cr, drawing_area->x, drawing_area->y);
cairo_set_line_width(gc->cr, 2);
projects / ext / subsurface.git / blobdiff