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-rw-r--r--display.h2
-rw-r--r--gtk-gui.c11
-rw-r--r--profile.c54
3 files changed, 52 insertions, 15 deletions
diff --git a/display.h b/display.h
index d054b6994..4e1511656 100644
--- a/display.h
+++ b/display.h
@@ -31,4 +31,6 @@ struct options {
gboolean print_profiles;
};
+extern char zoomed_plot;
+
#endif
diff --git a/gtk-gui.c b/gtk-gui.c
index 2a4d77ac9..7db777ab9 100644
--- a/gtk-gui.c
+++ b/gtk-gui.c
@@ -729,6 +729,13 @@ static void view_three(GtkWidget *w, gpointer data)
gtk_paned_set_position(GTK_PANED(vpane), requisition.height + 6);
}
+static void toggle_zoom(GtkWidget *w, gpointer data)
+{
+ zoomed_plot = (zoomed_plot)?0 : 1;
+ /*Update dive*/
+ repaint_dive();
+}
+
static GtkActionEntry menu_items[] = {
{ "FileMenuAction", NULL, "File", NULL, NULL, NULL},
{ "LogMenuAction", NULL, "Log", NULL, NULL, NULL},
@@ -749,7 +756,8 @@ static GtkActionEntry menu_items[] = {
{ "ViewList", NULL, "List", CTRLCHAR "1", NULL, G_CALLBACK(view_list) },
{ "ViewProfile", NULL, "Profile", CTRLCHAR "2", NULL, G_CALLBACK(view_profile) },
{ "ViewInfo", NULL, "Info", CTRLCHAR "3", NULL, G_CALLBACK(view_info) },
- { "ViewThree", NULL, "Three", CTRLCHAR "4", NULL, G_CALLBACK(view_three) },
+ { "ViewThree", NULL, "Three", CTRLCHAR "4", NULL, G_CALLBACK(view_three) },
+ { "ToggleZoom", NULL, "Toggle Zoom", CTRLCHAR "0", NULL, G_CALLBACK(toggle_zoom) },
};
static gint nmenu_items = sizeof (menu_items) / sizeof (menu_items[0]);
@@ -771,6 +779,7 @@ static const gchar* ui_string = " \
<menuitem name=\"Add Dive\" action=\"AddDive\" /> \
<separator name=\"Separator\"/> \
<menuitem name=\"Renumber\" action=\"Renumber\" /> \
+ <menuitem name=\"Toggle Zoom\" action=\"ToggleZoom\" /> \
<menu name=\"View\" action=\"ViewMenuAction\"> \
<menuitem name=\"List\" action=\"ViewList\" /> \
<menuitem name=\"Profile\" action=\"ViewProfile\" /> \
diff --git a/profile.c b/profile.c
index 6a159cca8..d4e88c02c 100644
--- a/profile.c
+++ b/profile.c
@@ -14,6 +14,7 @@
#include "color.h"
int selected_dive = 0;
+char zoomed_plot = 0;
typedef enum { STABLE, SLOW, MODERATE, FAST, CRAZY } velocity_t;
@@ -180,22 +181,40 @@ 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.
- * 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;
- /* 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));
+ 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));
+ }
}
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 {
@@ -443,20 +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);
- /* 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 10 seconds, 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)
@@ -473,11 +493,17 @@ static void plot_depth_profile(struct graphics_context *gc, struct plot_info *pi
}
cairo_stroke(cr);
- /* now the text on every second time marker */
+ /* now the text on the time markers */
text_render_options_t tro = {10, TIME_TEXT, CENTER, TOP};
- for (i = incr; i < maxtime; i += 2 * incr)
- plot_text(gc, &tro, i, 1, "%d", i/60);
-
+ if (maxtime < 600) {
+ /* Be a bit more verbose with shorter dives */
+ for (i = incr; i < maxtime; i += incr)
+ plot_text(gc, &tro, i, 1, "%02d:%02d", 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);
+ }
/* Depth markers: every 30 ft or 10 m*/
gc->leftx = 0; gc->rightx = 1.0;
gc->topy = 0; gc->bottomy = maxdepth;