diff options
Diffstat (limited to 'profile.c')
| -rw-r--r-- | profile.c | 44 |
1 files changed, 44 insertions, 0 deletions
@@ -234,6 +234,47 @@ static void plot_depth_text(struct dive *dive, struct graphics_context *gc) plot_text_samples(gc, sample, end); } +static void plot_smoothed_profile(struct graphics_context *gc, struct plot_info *pi) +{ + int i; + struct plot_data *entry = pi->entry; + + cairo_set_source_rgba(gc->cr, 1, 0.2, 0.2, 0.20); + move_to(gc, entry->sec, entry->smoothed); + for (i = 1; i < pi->nr; i++) { + entry++; + line_to(gc, entry->sec, entry->smoothed); + } + cairo_stroke(gc->cr); +} + +static void plot_minmax_profile_minute(struct graphics_context *gc, struct plot_info *pi, + int index, double a) +{ + int i; + struct plot_data *entry = pi->entry; + + cairo_set_source_rgba(gc->cr, 1, 0.2, 1, a); + move_to(gc, entry->sec, entry->min[index]); + for (i = 1; i < pi->nr; i++) { + entry++; + line_to(gc, entry->sec, entry->min[index]); + } + for (i = 1; i < pi->nr; i++) { + line_to(gc, entry->sec, entry->max[index]); + entry--; + } + cairo_close_path(gc->cr); + cairo_fill(gc->cr); +} + +static void plot_minmax_profile(struct graphics_context *gc, struct plot_info *pi) +{ + plot_minmax_profile_minute(gc, pi, 2, 0.1); + plot_minmax_profile_minute(gc, pi, 1, 0.1); + plot_minmax_profile_minute(gc, pi, 0, 0.1); +} + static void plot_depth_profile(struct dive *dive, struct graphics_context *gc, struct plot_info *pi) { int i; @@ -279,6 +320,9 @@ static void plot_depth_profile(struct dive *dive, struct graphics_context *gc, s gc->scalex = maxtime; + plot_smoothed_profile(gc, pi); + plot_minmax_profile(gc, pi); + entry = pi->entry; cairo_set_source_rgba(cr, 1, 0.2, 0.2, 0.80); begins = entry->sec; |