diff options
Diffstat (limited to 'profile.c')
| -rw-r--r-- | profile.c | 54 |
1 files changed, 30 insertions, 24 deletions
@@ -14,6 +14,7 @@ #include "color.h" int selected_dive = 0; +char zoomed_plot = 0; typedef enum { STABLE, SLOW, MODERATE, FAST, CRAZY } velocity_t; @@ -180,18 +181,24 @@ static void dump_pi (struct plot_info *pi) * When showing dive profiles, we scale things to the * current dive. However, we don't scale past less than * 30 minutes or 90 ft, just so that small dives show - * up as such. - * If the dive time is shorter than 10 minutes we assume that - * this has been an apnea dive and display it accordingly. - * we also need to add 180 seconds at the end so the min/max + * up as such unless zoom is enabled. + * We also need to add 180 seconds at the end so the min/max * plots correctly */ static int get_maxtime(struct plot_info *pi) { int seconds = pi->maxtime; - if (seconds < 600) { - /* Possible apnea dive, we scale accordingly */ - return ROUND_UP(seconds+seconds/4, 60); + if (zoomed_plot) { + /* Rounded up to one minute, with at least 2.5 minutes to + * spare. + * For dive times shorter than 10 minutes, we use seconds/4 to + * calculate the space dynamically. + * This is seamless since 600/4 = 150. + */ + if ( seconds < 600 ) + return ROUND_UP(seconds+seconds/4, 60); + else + return ROUND_UP(seconds+150, 60); } else { /* min 30 minutes, rounded up to 5 minutes, with at least 2.5 minutes to spare */ return MAX(30*60, ROUND_UP(seconds+150, 60*5)); @@ -201,8 +208,13 @@ static int get_maxtime(struct plot_info *pi) static int get_maxdepth(struct plot_info *pi) { unsigned mm = pi->maxdepth; - /* Minimum 30m, rounded up to 10m, with at least 3m to spare */ - return MAX(30000, ROUND_UP(mm+3000, 10000)); + if (zoomed_plot) { + /* Rounded up to 10m, with at least 3m to spare */ + return ROUND_UP(mm+3000, 10000); + } else { + /* Minimum 30m, rounded up to 10m, with at least 3m to spare */ + return MAX(30000, ROUND_UP(mm+3000, 10000)); + } } typedef struct { @@ -450,27 +462,21 @@ static void plot_depth_profile(struct graphics_context *gc, struct plot_info *pi int sec, depth; struct plot_data *entry; int maxtime, maxdepth, marker; - int increments[4] = { 5*60, 10*60, 15*60, 30*60 }; + int increments[8] = { 10, 20, 30, 60, 5*60, 10*60, 15*60, 30*60 }; /* Get plot scaling limits */ maxtime = get_maxtime(pi); maxdepth = get_maxdepth(pi); - /* We check whether this has been an apnea dive and overwrite - * the increments in order to get reasonable time markers */ - if (maxtime < 600) { - increments[0] = 10; - increments[1] = 20; - increments[2] = 30; - increments[3] = 60; - } - /* Time markers: at most every 5 min, but no more than 12 markers - * and for convenience we do 5, 10, 15 or 30 min intervals. + + /* Time markers: at most every 5 min, but no more than 12 markers. + * We start out with 10 seconds and increment up to 30 minutes, + * depending on the dive time. * This allows for 6h dives - enough (I hope) for even the craziest * divers - but just in case, for those 8h depth-record-breaking dives, * we double the interval if this still doesn't get us to 12 or fewer * time markers */ i = 0; - while (maxtime / increments[i] > 12 && i < 4) + while (maxtime / increments[i] > 12 && i < 8) i++; incr = increments[i]; while (maxtime / incr > 12) @@ -490,13 +496,13 @@ static void plot_depth_profile(struct graphics_context *gc, struct plot_info *pi /* now the text on the time markers */ text_render_options_t tro = {10, TIME_TEXT, CENTER, TOP}; if (maxtime < 600) { - /* Be a bit more verbose with shorter (apnea) dives */ + /* Be a bit more verbose with shorter dives */ for (i = incr; i < maxtime; i += incr) - plot_text(gc, &tro, i, 1, "%d:%d", i/60, i%60); + plot_text(gc, &tro, i, 1, "%d:%d", i/60, i%60); } else { /* Only render the time on every second marker for normal dives */ for (i = incr; i < maxtime; i += 2 * incr) - plot_text(gc, &tro, i, 1, "%d", i/60); + plot_text(gc, &tro, i, 1, "%d", i/60); } /* Depth markers: every 30 ft or 10 m*/ gc->leftx = 0; gc->rightx = 1.0; |