1 files changed, 130 insertions, 0 deletions
diff --git a/src/datavis3d/engine/axisrendercache.cpp b/src/datavis3d/engine/axisrendercache.cpp
new file mode 100644
index 00000000..4997ed80
--- /dev/null
+++ b/src/datavis3d/engine/axisrendercache.cpp
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtDataVis3D module.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "axisrendercache_p.h"
+
+QT_DATAVIS3D_BEGIN_NAMESPACE
+
+AxisRenderCache::AxisRenderCache()
+    : m_type(QAbstractAxis::AxisTypeNone),
+      m_min(0.0),
+      m_max(0.0),
+      m_drawer(0)
+{
+}
+
+AxisRenderCache::~AxisRenderCache()
+{
+    foreach (LabelItem *label, m_labelItems)
+        delete label;
+}
+
+void AxisRenderCache::setDrawer(Drawer *drawer)
+{
+    m_drawer = drawer;
+    if (m_drawer) {
+        QObject::connect(m_drawer, &Drawer::drawerChanged, this, &AxisRenderCache::updateTextures);
+        updateTextures();
+    }
+}
+
+void AxisRenderCache::setType(QAbstractAxis::AxisType type)
+{
+    m_type = type;
+
+    // If type is set, it means completely new axis instance, so clear all generated label items.
+    m_titleItem.clear();
+    foreach (LabelItem *label, m_labelItems)
+        delete label;
+    m_labelItems.clear();
+}
+
+void AxisRenderCache::setTitle(const QString &title)
+{
+    if (m_title != title) {
+        m_title = title;
+        // Generate axis label texture
+        if (m_drawer)
+            m_drawer->generateLabelItem(m_titleItem, title);
+    }
+}
+
+void AxisRenderCache::setLabels(const QStringList &labels)
+{
+    if (m_labels != labels) {
+        int newSize(labels.size());
+        int oldSize(m_labels.size());
+
+        for (int i = newSize; i < oldSize; i++)
+            delete m_labelItems.takeLast();
+
+        m_labelItems.reserve(newSize);
+
+        if (m_drawer) {
+            for (int i = 0; i < newSize; i++) {
+                if (i >= oldSize)
+                    m_labelItems.append(new LabelItem);
+                if (labels.at(i).isEmpty())
+                    m_labelItems[i]->clear();
+                else if (i >= oldSize || labels.at(i) != m_labels.at(i))
+                    m_drawer->generateLabelItem(*m_labelItems[i], labels.at(i));
+            }
+        }
+        m_labels = labels;
+    }
+}
+
+void AxisRenderCache::updateTextures()
+{
+    if (m_title.isEmpty())
+        m_titleItem.clear();
+    else
+        m_drawer->generateLabelItem(m_titleItem, m_title);
+
+    for (int i = 0; i < m_labels.size(); i++) {
+        if (m_labels.at(i).isEmpty())
+            m_labelItems[i]->clear();
+        else
+            m_drawer->generateLabelItem(*m_labelItems[i], m_labels.at(i));
+    }
+}
+
+QT_DATAVIS3D_END_NAMESPACE