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Add threshold feature for partial pressure graphs

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The tec diving preference pane now allows us to set a partial pressure
threshold for each of the three gases. When the partial pressure surpasses
that value, the graph becomes red.

Fixes #12

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2012-11-10 17:58:42 +01:00
parent 3d8c1e50fc
commit 836bbad7a6
3 changed files with 144 additions and 39 deletions
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71
profile.c
View file

@ -74,7 +74,7 @@ typedef enum {
VELO_STABLE, VELO_SLOW, VELO_MODERATE, VELO_FAST, VELO_CRAZY,
/* gas colors */
PO2, PN2, PHE,
PO2, PO2_ALERT, PN2, PN2_ALERT, PHE, PHE_ALERT,
/* Other colors */
TEXT_BACKGROUND, ALERT_BG, ALERT_FG, EVENTS, SAMPLE_DEEP, SAMPLE_SHALLOW,
@ -109,8 +109,11 @@ static const color_t profile_color[] = {
[VELO_CRAZY] = {{RED1, BLACK1_LOW_TRANS}},
[PO2] = {{APPLE1, APPLE1_MED_TRANS}},
[PO2_ALERT] = {{RED1, APPLE1_MED_TRANS}},
[PN2] = {{BLACK1_LOW_TRANS, BLACK1_LOW_TRANS}},
[PN2_ALERT] = {{RED1, BLACK1_LOW_TRANS}},
[PHE] = {{PEANUT, PEANUT_MED_TRANS}},
[PHE_ALERT] = {{RED1, PEANUT_MED_TRANS}},
[TEXT_BACKGROUND] = {{CONCRETE1_LOWER_TRANS, WHITE1}},
[ALERT_BG] = {{BROOM1_LOWER_TRANS, BLACK1_LOW_TRANS}},
@ -776,15 +779,15 @@ static void plot_pp_text(struct graphics_context *gc, struct plot_info *pi)
setup_pp_limits(gc, pi);
if (enabled_graphs.po2) {
if (partial_pressure_graphs.po2) {
maxpp = plot_single_gas_pp_text(gc, pi, po2_value, 0.4, PO2);
}
if (enabled_graphs.pn2) {
if (partial_pressure_graphs.pn2) {
m = plot_single_gas_pp_text(gc, pi, pn2_value, 0.6, PN2);
if (m > maxpp)
maxpp = m;
}
if (enabled_graphs.phe) {
if (partial_pressure_graphs.phe) {
m = plot_single_gas_pp_text(gc, pi, phe_value, 0.4, PHE);
if (m > maxpp)
maxpp = m;
@ -807,36 +810,78 @@ static void plot_pp_gas_profile(struct graphics_context *gc, struct plot_info *p
setup_pp_limits(gc, pi);
if (enabled_graphs.po2) {
if (partial_pressure_graphs.po2) {
set_source_rgba(gc, PO2);
entry = pi->entry;
move_to(gc, entry->sec, entry->po2);
for (i = 1; i < pi->nr; i++) {
entry++;
line_to(gc, entry->sec, entry->po2);
if (entry->po2 < partial_pressure_graphs.po2_threshold)
line_to(gc, entry->sec, entry->po2);
else
move_to(gc, entry->sec, entry->po2);
}
cairo_stroke(gc->cr);
set_source_rgba(gc, PO2_ALERT);
entry = pi->entry;
move_to(gc, entry->sec, entry->po2);
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->po2 >= partial_pressure_graphs.po2_threshold)
line_to(gc, entry->sec, entry->po2);
else
move_to(gc, entry->sec, entry->po2);
}
cairo_stroke(gc->cr);
}
if (enabled_graphs.pn2) {
if (partial_pressure_graphs.pn2) {
set_source_rgba(gc, PN2);
entry = pi->entry;
move_to(gc, entry->sec, entry->pn2);
for (i = 1; i < pi->nr; i++) {
entry++;
line_to(gc, entry->sec, entry->pn2);
if (entry->pn2 < partial_pressure_graphs.pn2_threshold)
line_to(gc, entry->sec, entry->pn2);
else
move_to(gc, entry->sec, entry->pn2);
}
cairo_stroke(gc->cr);
set_source_rgba(gc, PN2_ALERT);
entry = pi->entry;
move_to(gc, entry->sec, entry->pn2);
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->pn2 >= partial_pressure_graphs.pn2_threshold)
line_to(gc, entry->sec, entry->pn2);
else
move_to(gc, entry->sec, entry->pn2);
}
cairo_stroke(gc->cr);
}
if (enabled_graphs.phe) {
if (partial_pressure_graphs.phe) {
set_source_rgba(gc, PHE);
entry = pi->entry;
move_to(gc, entry->sec, entry->phe);
for (i = 1; i < pi->nr; i++) {
entry++;
line_to(gc, entry->sec, entry->phe);
if (entry->phe < partial_pressure_graphs.phe_threshold)
line_to(gc, entry->sec, entry->phe);
else
move_to(gc, entry->sec, entry->phe);
}
cairo_stroke(gc->cr);
set_source_rgba(gc, PHE_ALERT);
entry = pi->entry;
move_to(gc, entry->sec, entry->phe);
for (i = 1; i < pi->nr; i++) {
entry++;
if (entry->phe >= partial_pressure_graphs.phe_threshold)
line_to(gc, entry->sec, entry->phe);
else
move_to(gc, entry->sec, entry->phe);
}
cairo_stroke(gc->cr);
}