X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Futil.hpp;h=d59ad10eb804831f08c1b817bc4dd2deacdfc7ed;hp=572bed31814e6bba0baa670027e1762f04b261c9;hb=dae21ebcf60d6a5d7c194736b1dc792a5cbf06a5;hpb=2acdb232d6bb452cfdfaea3ef5218fb4da592329

diff --git a/pv/util.hpp b/pv/util.hpp
index 572bed31..d59ad10e 100644
--- a/pv/util.hpp
+++ b/pv/util.hpp
@@ -18,32 +18,51 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
-#ifndef PULSEVIEW_UTIL_H
-#define PULSEVIEW_UTIL_H
+#ifndef PULSEVIEW_UTIL_HPP
+#define PULSEVIEW_UTIL_HPP
 
-#include <math.h>
+#include <cmath>
 
 #include <QString>
 
 namespace pv {
 namespace util {
 
+enum TimeUnit {
+	Time = 1,
+	Samples = 2
+};
+
 extern const int FirstSIPrefixPower;
 
 /**
- * Formats a given time value with the specified SI prefix.
- * @param t The time value in seconds to format.
+ * Formats a given value with the specified SI prefix.
+ * @param v The value to format.
+ * @param unit The unit of quantity.
  * @param prefix The number of the prefix, from 0 for 'femto' up to
- *               8 for 'giga'.
- * @parma precision The number of digits after the decimal separator.
+ *   8 for 'giga'. If prefix is set to -1, the prefix will be calculated.
+ * @param precision The number of digits after the decimal separator.
  * @param sign Whether or not to add a sign also for positive numbers.
  *
  * @return The formated value.
  */
-QString format_time(
-	double t, unsigned int prefix,
+QString format_si_value(
+	double v, QString unit, int prefix = -1,
 	unsigned precision = 0, bool sign = true);
 
+/**
+ * Formats a given time with the specified SI prefix.
+ * @param t The time value in seconds to format.
+ * @param prefix The number of the prefix, from 0 for 'femto' up to
+ *   8 for 'giga'. If prefix is set to -1, the prefix will be calculated.
+ * @param unit The unit of quantity.
+ * @param precision The number of digits after the decimal separator or period (.).
+ *
+ * @return The formated value.
+ */
+QString format_time(
+	double t, int prefix = -1, TimeUnit unit = Time, unsigned precision = 0);
+
 /**
  * Formats a given time value with a SI prefix so that the
  * value is between 1 and 999.
@@ -56,4 +75,4 @@ QString format_second(double second);
 } // namespace util
 } // namespace pv
 
-#endif // PULSEVIEW_UTIL_H
+#endif // PULSEVIEW_UTIL_HPP