1 files changed, 128 insertions, 0 deletions
diff --git a/src/qtmultimediaquicktools/qsgvideonode_p.cpp b/src/qtmultimediaquicktools/qsgvideonode_p.cpp
new file mode 100644
index 000000000..2c9f24101
--- /dev/null
+++ b/src/qtmultimediaquicktools/qsgvideonode_p.cpp
@@ -0,0 +1,128 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qsgvideonode_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QSGVideoNode::QSGVideoNode()
+    : m_orientation(-1)
+{
+}
+
+/* Helpers */
+static inline void qSetGeom(QSGGeometry::TexturedPoint2D *v, const QPointF &p)
+{
+    v->x = p.x();
+    v->y = p.y();
+}
+
+static inline void qSetTex(QSGGeometry::TexturedPoint2D *v, const QPointF &p)
+{
+    v->tx = p.x();
+    v->ty = p.y();
+}
+
+/* Update the vertices and texture coordinates.  Orientation must be in {0,90,180,270} */
+void QSGVideoNode::setTexturedRectGeometry(const QRectF &rect, const QRectF &textureRect, int orientation)
+{
+    if (rect == m_rect && textureRect == m_textureRect && orientation == m_orientation)
+        return;
+
+    m_rect = rect;
+    m_textureRect = textureRect;
+    m_orientation = orientation;
+
+    QSGGeometry *g = geometry();
+
+    if (g == 0)
+        g = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4);
+
+    QSGGeometry::TexturedPoint2D *v = g->vertexDataAsTexturedPoint2D();
+
+    // Set geometry first
+    qSetGeom(v + 0, rect.topLeft());
+    qSetGeom(v + 1, rect.bottomLeft());
+    qSetGeom(v + 2, rect.topRight());
+    qSetGeom(v + 3, rect.bottomRight());
+
+    // and then texture coordinates
+    switch (orientation) {
+        default:
+            // tl, bl, tr, br
+            qSetTex(v + 0, textureRect.topLeft());
+            qSetTex(v + 1, textureRect.bottomLeft());
+            qSetTex(v + 2, textureRect.topRight());
+            qSetTex(v + 3, textureRect.bottomRight());
+            break;
+
+        case 90:
+            // tr, tl, br, bl
+            qSetTex(v + 0, textureRect.topRight());
+            qSetTex(v + 1, textureRect.topLeft());
+            qSetTex(v + 2, textureRect.bottomRight());
+            qSetTex(v + 3, textureRect.bottomLeft());
+            break;
+
+        case 180:
+            // br, tr, bl, tl
+            qSetTex(v + 0, textureRect.bottomRight());
+            qSetTex(v + 1, textureRect.topRight());
+            qSetTex(v + 2, textureRect.bottomLeft());
+            qSetTex(v + 3, textureRect.topLeft());
+            break;
+
+        case 270:
+            // bl, br, tl, tr
+            qSetTex(v + 0, textureRect.bottomLeft());
+            qSetTex(v + 1, textureRect.bottomRight());
+            qSetTex(v + 2, textureRect.topLeft());
+            qSetTex(v + 3, textureRect.topRight());
+            break;
+    }
+
+    if (!geometry())
+        setGeometry(g);
+
+    markDirty(DirtyGeometry);
+}
+
+QT_END_NAMESPACE