1 files changed, 136 insertions, 0 deletions
diff --git a/src/quick/scenegraph/util/qsgdefaultninepatchnode.cpp b/src/quick/scenegraph/util/qsgdefaultninepatchnode.cpp
new file mode 100644
index 0000000000..e5a53a3617
--- /dev/null
+++ b/src/quick/scenegraph/util/qsgdefaultninepatchnode.cpp
@@ -0,0 +1,136 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsgdefaultninepatchnode_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QSGDefaultNinePatchNode::QSGDefaultNinePatchNode()
+    : m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4)
+{
+    m_geometry.setDrawingMode(QSGGeometry::DrawTriangleStrip);
+    setGeometry(&m_geometry);
+    setMaterial(&m_material);
+}
+
+QSGDefaultNinePatchNode::~QSGDefaultNinePatchNode()
+{
+    delete m_material.texture();
+}
+
+void QSGDefaultNinePatchNode::setTexture(QSGTexture *texture)
+{
+    delete m_material.texture();
+    m_material.setTexture(texture);
+}
+
+void QSGDefaultNinePatchNode::setBounds(const QRectF &bounds)
+{
+    m_bounds = bounds;
+}
+
+void QSGDefaultNinePatchNode::setDevicePixelRatio(qreal ratio)
+{
+    m_devicePixelRatio = ratio;
+}
+
+void QSGDefaultNinePatchNode::setPadding(qreal left, qreal top, qreal right, qreal bottom)
+{
+    m_padding = QVector4D(left, top, right, bottom);
+}
+
+void QSGDefaultNinePatchNode::update()
+{
+    rebuildGeometry(m_material.texture(), &m_geometry, m_padding, m_bounds, m_devicePixelRatio);
+    markDirty(QSGNode::DirtyGeometry | QSGNode::DirtyMaterial);
+}
+
+void QSGDefaultNinePatchNode::rebuildGeometry(QSGTexture *texture, QSGGeometry *geometry, const QVector4D &padding,
+                                                    const QRectF &bounds, qreal dpr)
+{
+    if (padding.x() <= 0 && padding.y() <= 0 && padding.z() <= 0 && padding.w() <= 0) {
+        geometry->allocate(4, 0);
+        QSGGeometry::updateTexturedRectGeometry(geometry, bounds, texture->normalizedTextureSubRect());
+        return;
+    }
+
+    QRectF tc = texture->normalizedTextureSubRect();
+    QSize ts = texture->textureSize();
+    ts.setHeight(ts.height() / dpr);
+    ts.setWidth(ts.width() / dpr);
+
+    qreal invtw = tc.width() / ts.width();
+    qreal invth = tc.height() / ts.height();
+
+    struct Coord { qreal p; qreal t; };
+    Coord cx[4] = { { bounds.left(), tc.left() },
+                    { bounds.left() + padding.x(), tc.left() + padding.x() * invtw },
+                    { bounds.right() - padding.z(), tc.right() - padding.z() * invtw },
+                    { bounds.right(), tc.right() }
+                  };
+    Coord cy[4] = { { bounds.top(), tc.top() },
+                    { bounds.top() + padding.y(), tc.top() + padding.y() * invth },
+                    { bounds.bottom() - padding.w(), tc.bottom() - padding.w() * invth },
+                    { bounds.bottom(), tc.bottom() }
+                  };
+
+    geometry->allocate(16, 28);
+    QSGGeometry::TexturedPoint2D *v = geometry->vertexDataAsTexturedPoint2D();
+    for (int y = 0; y < 4; ++y) {
+        for (int x = 0; x < 4; ++x) {
+            v->set(cx[x].p, cy[y].p, cx[x].t, cy[y].t);
+            ++v;
+        }
+    }
+
+    quint16 *i = geometry->indexDataAsUShort();
+    for (int r = 0; r < 3; ++r) {
+        if (r > 0)
+            *i++ = 4 * r;
+        for (int c = 0; c < 4; ++c) {
+            i[0] = 4 * r + c;
+            i[1] = 4 * r + c + 4;
+            i += 2;
+        }
+        if (r < 2)
+            *i++ = 4 * r + 3 + 4;
+    }
+}
+
+QT_END_NAMESPACE