Move selection labels to renderer from render items

Creating a new label on demand is fast enough, so we don't need to
store old labels. Storing labels unnecessarily leads to unchecked
use of graphics memory.

Optimized bar slices a bit by having separate class of render items
for slice items.

Change-Id: I5afdecfb3949393341b6c3eaefbc667c65da32e3
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 0 insertions, 23 deletions

diff --git a/src/datavisualization/data/abstractrenderitem.cpp b/src/datavisualization/data/abstractrenderitem.cpp
index e22a46d8..59ffab22 100644
--- a/src/datavisualization/data/abstractrenderitem.cpp
+++ b/src/datavisualization/data/abstractrenderitem.cpp
@@ -21,40 +21,17 @@
 QT_BEGIN_NAMESPACE_DATAVISUALIZATION
 
 AbstractRenderItem::AbstractRenderItem()
-    : m_selectionLabelItem(0)
 {
 }
 
 AbstractRenderItem::AbstractRenderItem(const AbstractRenderItem &other)
 {
-    m_selectionLabel = other.m_selectionLabel;
     m_translation = other.m_translation;
     m_rotation = other.m_rotation;
-    m_selectionLabelItem = 0;
 }
 
 AbstractRenderItem::~AbstractRenderItem()
 {
-    delete m_selectionLabelItem;
-}
-
-LabelItem &AbstractRenderItem::selectionLabelItem()
-{
-    if (!m_selectionLabelItem)
-        m_selectionLabelItem = new LabelItem;
-    return *m_selectionLabelItem;
-}
-
-void AbstractRenderItem::setSelectionLabel(const QString &label)
-{
-    if (m_selectionLabelItem)
-        m_selectionLabelItem->clear();
-    m_selectionLabel = label;
-}
-
-QString &AbstractRenderItem::selectionLabel()
-{
-    return m_selectionLabel;
 }
 
 QT_END_NAMESPACE_DATAVISUALIZATION