From a9e821dc6d7201678d8991f67f090235c29d4ad4 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Wed, 10 Sep 2014 19:14:11 +0200
Subject: Add 'spreader' slider to generate tab.

---
 src/samplesorter.cc | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

(limited to 'src/samplesorter.cc')

diff --git a/src/samplesorter.cc b/src/samplesorter.cc
index 00139e2..c32030a 100644
--- a/src/samplesorter.cc
+++ b/src/samplesorter.cc
@@ -46,6 +46,8 @@ SampleSorter::SampleSorter(Selections &s, Selections &p)
   attlen = 666; // Magical constants needs biblical proportions...
 
   sel_moving = SEL_NONE;
+
+  setSpreadFactor(1000);
 }
 
 void SampleSorter::setShowPreview(bool s)
@@ -66,6 +68,13 @@ int SampleSorter::attackLength()
   return attlen;
 }
 
+void SampleSorter::setSpreadFactor(int s)
+{
+  spread = (double)s / 1000.0;
+  spread *= spread;
+  relayout();
+}
+
 void SampleSorter::setAttackLength(int len)
 {
   attlen = len;
@@ -84,7 +93,7 @@ void SampleSorter::addSelection(sel_id_t id)
     energy += data[idx] * data[idx];
   }
     
-  s.energy = energy;
+  s.energy = pow(energy, spread);
   selections.update(id, s);
 
   relayout();
@@ -102,7 +111,7 @@ void SampleSorter::addSelectionPreview(sel_id_t id)
     energy += data[idx] * data[idx];
   }
     
-  s.energy = energy;
+  s.energy = pow(energy, spread);
   selections_preview.update(id, s);
 
   relayout();
@@ -179,9 +188,9 @@ void SampleSorter::paintEvent(QPaintEvent *event)
       Selection sel = selections.get(*i);
       if(*i == selections.active()) painter.setPen(colPtSel);
       else painter.setPen(colPt);
-      float x = sel.energy / max;
+      float x = (sel.energy / max);
       x = sqrt(x);
-      x *= (float)width();
+      x *= (float)width() * 0.9;
       drawCircle(painter, x, MAP(x));
       i++;
     }
@@ -193,9 +202,9 @@ void SampleSorter::paintEvent(QPaintEvent *event)
     while(i != ids.end()) {
       Selection sel = selections_preview.get(*i);
       painter.setPen(colPtPreview);
-      float x = sel.energy / max;
+      float x = (sel.energy / max);
       x = sqrt(x);
-      x *= (float)width();
+      x *= (float)width() * 0.9;
       drawCircle(painter, x, MAP(x));
       i++;
     }
-- 
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