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Actually bother implementing Fahrenheit

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XANTRONIX Development 2024-01-18 20:50:08 -05:00
parent b63ab8bf7b
commit 742a0ef6bb
1 changed files with 10 additions and 1 deletions
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11
src/temp.c
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@ -18,9 +18,18 @@
#define COLD_THRESHOLD 4.0 /* °C */
static ssize_t format_text(hexagram_text *text, char *buf, size_t len) {
const char *formats[2] = {
"%.1f°C",
"%.1f°F"
};
hexagram_temp *temp = (hexagram_temp *)text;
return snprintf(buf, len, "%.1f°C", temp->value);
double value = temp->units == HEXAGRAM_TEMP_CELSIUS?
temp->value:
temp->value * (9.0 / 5.0) + 32;
return snprintf(buf, len, formats[temp->units], value);
}
static int draw_fg(hexagram_gauge *gauge, cairo_t *cr) {