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Add new helper function to get temperature and unit

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Designed along the lines of get_depth_units - except we don't define a
specific number of digits to show.

Use this in the one spot we need it right now in profile.c

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2011-11-01 11:39:52 -07:00
parent 43601f6546
commit 18b8247cb3
3 changed files with 22 additions and 10 deletions
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17
dive.c
View file

@ -29,6 +29,23 @@ void add_event(struct dive *dive, int time, int type, int flags, int value, cons
remember_event(name);
}
double get_temp_units(unsigned int mk, const char **units)
{
double deg;
const char *unit;
if (output_units.temperature == FAHRENHEIT) {
deg = mkelvin_to_F(mk);
unit = UTF8_DEGREE "F";
} else {
deg = mkelvin_to_C(mk);
unit = UTF8_DEGREE "C";
}
if (units)
*units = unit;
return deg;
}
double get_depth_units(unsigned int mm, int *frac, const char **units)
{
int decimals;

1
dive.h
View file

@ -87,6 +87,7 @@ typedef struct {
} cylinder_t;
extern double get_depth_units(unsigned int mm, int *frac, const char **units);
extern double get_temp_units(unsigned int mm, const char **units);
static inline double mm_to_feet(int mm)
{

14
profile.c
View file

@ -485,19 +485,13 @@ static int setup_temperature_limits(struct graphics_context *gc, struct plot_inf
static void plot_single_temp_text(struct graphics_context *gc, int sec, int mkelvin)
{
int deg;
double deg;
const char *unit;
static const text_render_options_t tro = {12, 0.2, 0.2, 1.0, LEFT, TOP};
temperature_t temperature = { mkelvin };
if (output_units.temperature == FAHRENHEIT) {
deg = to_F(temperature);
unit = UTF8_DEGREE "F";
} else {
deg = to_C(temperature);
unit = UTF8_DEGREE "C";
}
plot_text(gc, &tro, sec, temperature.mkelvin, "%d%s", deg, unit);
deg = get_temp_units(mkelvin, &unit);
plot_text(gc, &tro, sec, mkelvin, "%d%s", (int)(deg + 0.5), unit);
}
static void plot_temperature_text(struct graphics_context *gc, struct plot_info *pi)