From 39be6d68b7b88a4da77d9390e3586eed4aaa0a72 2014-11-26 08:49:21
From: Titta Heikkala <titta.heikkala@theqtcompany.com>
Date: 2014-11-26 08:49:21
Subject: [PATCH] Fix QLogValueAxis update

The LogValueAxis can't have an empty layout or else it won't update the
series correctly when the ticks are not visible on axis and the chart is
resized.

Change-Id: I7ff76cc1255044dbe69065f23f4cd0cca305d9df
Task-number: QTRD-3431
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

---

diff --git a/src/charts/axis/logvalueaxis/chartlogvalueaxisx.cpp b/src/charts/axis/logvalueaxis/chartlogvalueaxisx.cpp
index fe11815..33d1213 100644
--- a/src/charts/axis/logvalueaxis/chartlogvalueaxisx.cpp
+++ b/src/charts/axis/logvalueaxis/chartlogvalueaxisx.cpp
@@ -48,10 +48,10 @@ QVector<qreal> ChartLogValueAxisX::calculateLayout() const
     qreal ceilEdge = ceil(leftEdge);
     int tickCount = qAbs(ceil(logMax) - ceil(logMin));
 
-    points.resize(tickCount);
+    points.resize(tickCount + 1);
     const QRectF &gridRect = gridGeometry();
     const qreal deltaX = gridRect.width() / qAbs(logMax - logMin);
-    for (int i = 0; i < tickCount; ++i)
+    for (int i = 0; i <= tickCount; ++i)
         points[i] = (ceilEdge + qreal(i)) * deltaX - leftEdge * deltaX + gridRect.left();
 
     return points;
diff --git a/src/charts/axis/logvalueaxis/chartlogvalueaxisy.cpp b/src/charts/axis/logvalueaxis/chartlogvalueaxisy.cpp
index 7269d5f..341dee8 100644
--- a/src/charts/axis/logvalueaxis/chartlogvalueaxisy.cpp
+++ b/src/charts/axis/logvalueaxis/chartlogvalueaxisy.cpp
@@ -47,10 +47,10 @@ QVector<qreal> ChartLogValueAxisY::calculateLayout() const
     qreal ceilEdge = ceil(leftEdge);
     int tickCount = qAbs(ceil(logMax) - ceil(logMin));
 
-    points.resize(tickCount);
+    points.resize(tickCount + 1);
     const QRectF &gridRect = gridGeometry();
     const qreal deltaY = gridRect.height() / qAbs(logMax - logMin);
-    for (int i = 0; i < tickCount; ++i)
+    for (int i = 0; i <= tickCount; ++i)
         points[i] = (ceilEdge + qreal(i)) * -deltaY - leftEdge * -deltaY + gridRect.bottom();
 
     return points;