comparison layer/Colour3DPlotLayer.cpp @ 456:035d62c4cddf

* Permit viewing (though not editing) colour 3d plot layer data in
  the spreadsheet data viewer dialog
* Add somewhat simplistic RDF export for layers
* Fix display of peak frequencies in spectrum layer
* Fix (I hope) sizing of plugin parameter dialog

         symax = sh;
     }
     if (symin < 0) symin = 0;
     if (symax > sh) symax = sh;
 
+    float binHeight = float(v->height()) / (symax - symin);
+
+    paint.save();
+
+    QFont tf = paint.font();
+    if (paint.fontMetrics().height() >= binHeight) {
+        tf.setPixelSize(binHeight > 4 ? binHeight - 2 : 2);
+        paint.setFont(tf);
+    }
+
     int count = v->height() / paint.fontMetrics().height();
     int step = (symax - symin) / count;
     if (step == 0) step = 1;
-
-    float binHeight = float(v->height()) / (symax - symin);
 
     for (size_t i = symin; i < symax; ++i) {
 
         size_t idx = i;
         if (m_invertVertical) idx = m_model->getHeight() - idx - 1;

 	int cy = int(y0 - (step * binHeight)/2);
 	int ty = cy + paint.fontMetrics().ascent()/2;
 
 	paint.drawText(cw + 5, ty, text);
     }
+
+    paint.restore();
 }
 
 void
 Colour3DPlotLayer::getColumn(size_t col,
                              DenseThreeDimensionalModel::Column &values) const