comparison layer/SpectrumLayer.cpp @ 1147:1badacff7ab2 3.0-integration

Introduce labels in RangeMapper and use them in AudioDial, though only for tooltip at present. Make use of this for spectrogram magic -81dB/-Inf threshold. Also introduce static strings for inf/pi and use where appropriate.

 #include "view/View.h"
 #include "base/AudioLevel.h"
 #include "base/Preferences.h"
 #include "base/RangeMapper.h"
 #include "base/Pitch.h"
+#include "base/Strings.h"
 
 #include "ColourMapper.h"
 #include "PaintAssistant.h"
 
 #include <QPainter>

     double mindb = AudioLevel::multiplier_to_dB(minvalue);
     double maxdb = AudioLevel::multiplier_to_dB(maxvalue);
     QString mindbstr;
     QString maxdbstr;
     if (mindb == AudioLevel::DB_FLOOR) {
-        mindbstr = tr("-Inf");
+        mindbstr = Strings::minus_infinity;
     } else {
         mindbstr = QString("%1").arg(lrint(mindb));
     }
     if (maxdb == AudioLevel::DB_FLOOR) {
-        maxdbstr = tr("-Inf");
+        maxdbstr = Strings::minus_infinity;
     } else {
         maxdbstr = QString("%1").arg(lrint(maxdb));
     }
     if (lrint(mindb) != lrint(maxdb)) {
         dbstr = tr("%1 - %2").arg(mindbstr).arg(maxdbstr);