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Add 'mean depth' marker on dive plot

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Just because I can.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-09-03 13:55:36 -07:00
parent 2804dc42d8
commit c1bed52a77
1 changed files with 15 additions and 9 deletions
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24
profile.c
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@ -47,6 +47,14 @@ static void plot_profile(struct dive *dive, cairo_t *cr,
maxtime = round_seconds_up(dive->duration.seconds);
maxdepth = round_feet_up(to_feet(dive->maxdepth));
/* Time markers: every 5 min */
scalex = maxtime;
scaley = 1.0;
for (i = 5*60; i < maxtime; i += 5*60) {
cairo_move_to(cr, SCALE(i, 0));
cairo_line_to(cr, SCALE(i, 1));
}
/* Depth markers: every 15 ft */
scalex = 1.0;
scaley = maxdepth;
@ -55,17 +63,15 @@ static void plot_profile(struct dive *dive, cairo_t *cr,
cairo_move_to(cr, SCALE(0, i));
cairo_line_to(cr, SCALE(1, i));
}
/* Time markers: every 5 min */
scalex = maxtime;
scaley = 1.0;
for (i = 5*60; i < maxtime; i += 5*60) {
cairo_move_to(cr, SCALE(i, 0));
cairo_line_to(cr, SCALE(i, 1));
}
cairo_stroke(cr);
scaley = maxdepth;
/* Show mean depth */
cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.40);
cairo_move_to(cr, SCALE(0, to_feet(dive->meandepth)));
cairo_line_to(cr, SCALE(1, to_feet(dive->meandepth)));
cairo_stroke(cr);
scalex = maxtime;
sample = dive->sample;
cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.80);