Add render capture example

Add example for the render capture. The example is based on simple-cpp.
The user can press the capture button and see the captured thumbnail on
the side.

Change-Id: I94b18722cb0b563469579b4fad87764f37ad075e
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 116 insertions, 0 deletions

diff --git a/tests/manual/rendercapture-cpp/orbittransformcontroller.cpp b/tests/manual/rendercapture-cpp/orbittransformcontroller.cpp
new file mode 100644
index 000000000..0aa7a68e4
--- /dev/null
+++ b/tests/manual/rendercapture-cpp/orbittransformcontroller.cpp
@@ -0,0 +1,116 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
+** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "orbittransformcontroller.h"
+
+#include <Qt3DCore/qtransform.h>
+
+QT_BEGIN_NAMESPACE
+
+OrbitTransformController::OrbitTransformController(QObject *parent)
+    : QObject(parent)
+    , m_target(nullptr)
+    , m_matrix()
+    , m_radius(1.0f)
+    , m_angle(0.0f)
+{
+}
+
+void OrbitTransformController::setTarget(Qt3DCore::QTransform *target)
+{
+    if (m_target != target) {
+        m_target = target;
+        emit targetChanged();
+    }
+}
+
+Qt3DCore::QTransform *OrbitTransformController::target() const
+{
+    return m_target;
+}
+
+void OrbitTransformController::setRadius(float radius)
+{
+    if (!qFuzzyCompare(radius, m_radius)) {
+        m_radius = radius;
+        updateMatrix();
+        emit radiusChanged();
+    }
+}
+
+float OrbitTransformController::radius() const
+{
+    return m_radius;
+}
+
+void OrbitTransformController::setAngle(float angle)
+{
+    if (!qFuzzyCompare(angle, m_angle)) {
+        m_angle = angle;
+        updateMatrix();
+        emit angleChanged();
+    }
+}
+
+float OrbitTransformController::angle() const
+{
+    return m_angle;
+}
+
+void OrbitTransformController::updateMatrix()
+{
+    m_matrix.setToIdentity();
+    m_matrix.rotate(m_angle, QVector3D(0.0f, 1.0f, 0.0f));
+    m_matrix.translate(m_radius, 0.0f, 0.0f);
+    m_target->setMatrix(m_matrix);
+}
+
+QT_END_NAMESPACE