# HG changeset patch
# User Chris Cannam
# Date 1224859960 0
# Node ID 9525c9d7e54d48c3fa5b7dad407ad951a38ee509
# Parent  93806ad9481e6862484c9b0aa3e5ed22a90fbed5
* Add vertical zoom and pan to time-value layer.
  Still some defects, particularly in logarithmic mode.
  Now need to get this in note layer as well!
* Some fixes to log colouring in segmentation mode of time-value layer.

diff -r 93806ad9481e -r 9525c9d7e54d base/LogRange.cpp
--- a/base/LogRange.cpp	Thu Oct 23 16:32:00 2008 +0000
+++ b/base/LogRange.cpp	Fri Oct 24 14:52:40 2008 +0000
@@ -16,6 +16,7 @@
 #include "LogRange.h"
 
 #include <algorithm>
+#include <iostream>
 #include <cmath>
 
 void
@@ -24,6 +25,8 @@
     if (min > max) std::swap(min, max);
     if (max == min) max = min + 1;
 
+//    std::cerr << "LogRange::mapRange: min = " << min << ", max = " << max << std::endl;
+
     if (min >= 0.f) {
 
         max = log10f(max); // we know max != 0
@@ -31,6 +34,8 @@
         if (min == 0.f) min = std::min(logthresh, max);
         else min = log10f(min);
 
+//        std::cerr << "LogRange::mapRange: positive: min = " << min << ", max = " << max << std::endl;
+
     } else if (max <= 0.f) {
         
         min = log10f(-min); // we know min != 0
@@ -40,12 +45,16 @@
         
         std::swap(min, max);
         
+//        std::cerr << "LogRange::mapRange: negative: min = " << min << ", max = " << max << std::endl;
+
     } else {
         
         // min < 0 and max > 0
         
         max = log10f(std::max(max, -min));
         min = std::min(logthresh, max);
+
+//        std::cerr << "LogRange::mapRange: spanning: min = " << min << ", max = " << max << std::endl;
     }
 
     if (min == max) min = max - 1;
diff -r 93806ad9481e -r 9525c9d7e54d base/RangeMapper.cpp
--- a/base/RangeMapper.cpp	Thu Oct 23 16:32:00 2008 +0000
+++ b/base/RangeMapper.cpp	Fri Oct 24 14:52:40 2008 +0000
@@ -22,12 +22,13 @@
 
 LinearRangeMapper::LinearRangeMapper(int minpos, int maxpos,
 				     float minval, float maxval,
-                                     QString unit) :
+                                     QString unit, bool inverted) :
     m_minpos(minpos),
     m_maxpos(maxpos),
     m_minval(minval),
     m_maxval(maxval),
-    m_unit(unit)
+    m_unit(unit),
+    m_inverted(inverted)
 {
     assert(m_maxval != m_minval);
     assert(m_maxpos != m_minpos);
@@ -43,12 +44,14 @@
     if (position > m_maxpos) position = m_maxpos;
 //    std::cerr << "LinearRangeMapper::getPositionForValue: " << value << " -> "
 //              << position << " (minpos " << m_minpos << ", maxpos " << m_maxpos << ", minval " << m_minval << ", maxval " << m_maxval << ")" << std::endl;
-    return position;
+    if (m_inverted) return m_maxpos - position;
+    else return position;
 }
 
 float
 LinearRangeMapper::getValueForPosition(int position) const
 {
+    if (m_inverted) position = m_maxpos - position;
     float value = m_minval +
         ((float(position - m_minpos) / float(m_maxpos - m_minpos))
          * (m_maxval - m_minval));
@@ -61,10 +64,11 @@
 
 LogRangeMapper::LogRangeMapper(int minpos, int maxpos,
                                float minval, float maxval,
-                               QString unit) :
+                               QString unit, bool inverted) :
     m_minpos(minpos),
     m_maxpos(maxpos),
-    m_unit(unit)
+    m_unit(unit),
+    m_inverted(inverted)
 {
     convertMinMax(minpos, maxpos, minval, maxval, m_minlog, m_ratio);
 
@@ -104,17 +108,19 @@
     int position = (log10(value) - m_minlog) * m_ratio + m_minpos;
     if (position < m_minpos) position = m_minpos;
     if (position > m_maxpos) position = m_maxpos;
-    std::cerr << "LogRangeMapper::getPositionForValue: " << value << " -> "
-              << position << " (minpos " << m_minpos << ", maxpos " << m_maxpos << ", ratio " << m_ratio << ", minlog " << m_minlog << ")" << std::endl;
-    return position;
+//    std::cerr << "LogRangeMapper::getPositionForValue: " << value << " -> "
+//              << position << " (minpos " << m_minpos << ", maxpos " << m_maxpos << ", ratio " << m_ratio << ", minlog " << m_minlog << ")" << std::endl;
+    if (m_inverted) return m_maxpos - position;
+    else return position;
 }
 
 float
 LogRangeMapper::getValueForPosition(int position) const
 {
+    if (m_inverted) position = m_maxpos - position;
     float value = powf(10, (position - m_minpos) / m_ratio + m_minlog);
-    std::cerr << "LogRangeMapper::getValueForPosition: " << position << " -> "
-              << value << " (minpos " << m_minpos << ", maxpos " << m_maxpos << ", ratio " << m_ratio << ", minlog " << m_minlog << ")" << std::endl;
+//    std::cerr << "LogRangeMapper::getValueForPosition: " << position << " -> "
+//              << value << " (minpos " << m_minpos << ", maxpos " << m_maxpos << ", ratio " << m_ratio << ", minlog " << m_minlog << ")" << std::endl;
     return value;
 }
 
diff -r 93806ad9481e -r 9525c9d7e54d base/RangeMapper.h
--- a/base/RangeMapper.h	Thu Oct 23 16:32:00 2008 +0000
+++ b/base/RangeMapper.h	Fri Oct 24 14:52:40 2008 +0000
@@ -34,7 +34,7 @@
 public:
     LinearRangeMapper(int minpos, int maxpos,
                       float minval, float maxval,
-                      QString unit = "");
+                      QString unit = "", bool inverted = false);
     
     virtual int getPositionForValue(float value) const;
     virtual float getValueForPosition(int position) const;
@@ -47,6 +47,7 @@
     float m_minval;
     float m_maxval;
     QString m_unit;
+    bool m_inverted;
 };
 
 
@@ -55,7 +56,7 @@
 public:
     LogRangeMapper(int minpos, int maxpos,
                    float minval, float maxval,
-                   QString m_unit = "");
+                   QString m_unit = "", bool inverted = false);
 
     static void convertRatioMinLog(float ratio, float minlog,
                                    int minpos, int maxpos,
@@ -77,6 +78,7 @@
     float m_minlog;
     float m_maxlog;
     QString m_unit;
+    bool m_inverted;
 };
 
 
diff -r 93806ad9481e -r 9525c9d7e54d transform/TransformFactory.h
--- a/transform/TransformFactory.h	Thu Oct 23 16:32:00 2008 +0000
+++ b/transform/TransformFactory.h	Fri Oct 24 14:52:40 2008 +0000
@@ -204,6 +204,7 @@
             m_factory(factory) {
         }
         virtual void run() {
+            sleep(2);
             m_factory->populateUninstalledTransforms();
         }
         TransformFactory *m_factory;