* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef PULSEVIEW_UTIL_HPP
-#define PULSEVIEW_UTIL_HPP
+#ifndef PULSEVIEW_PV_UTIL_HPP
+#define PULSEVIEW_PV_UTIL_HPP
#include <cmath>
#include <string>
#include <vector>
#ifndef Q_MOC_RUN
+// Workaround for https://github.com/boostorg/serialization/issues/186
+#include <boost/serialization/nvp.hpp>
+
#include <boost/multiprecision/cpp_dec_float.hpp>
#endif
#include <QMetaType>
#include <QString>
+#include <QFontMetrics>
using std::string;
using std::vector;
namespace util {
enum class TimeUnit {
+ None = 0,
Time = 1,
Samples = 2
};
boost::multiprecision::cpp_dec_float<24>,
boost::multiprecision::et_off> Timestamp;
+/**
+ * Chooses a prefix so that the value in front of the decimal point is between 1 and 999.
+ */
+SIPrefix determine_value_prefix(double v);
+
/**
* Formats a given timestamp with the specified SI prefix.
*
vector<string> split_string(string text, string separator);
+/**
+ * Return the width of a string in a given font.
+ * @param[in] metric metrics of the font
+ * @param[in] string the string whose width should be determined
+ *
+ * @return width of the string in pixels
+ */
+std::streamsize text_width(const QFontMetrics &metric, const QString &string);
+
} // namespace util
} // namespace pv
Q_DECLARE_METATYPE(pv::util::Timestamp)
-#endif // PULSEVIEW_UTIL_HPP
+#endif // PULSEVIEW_PV_UTIL_HPP