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, 112 insertions, 0 deletions

diff --git a/tests/manual/rendercapture-cpp/mycapture.h b/tests/manual/rendercapture-cpp/mycapture.h
new file mode 100644
index 000000000..803ef7336
--- /dev/null
+++ b/tests/manual/rendercapture-cpp/mycapture.h
@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** 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.
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+**     notice, this list of conditions and the following disclaimer in
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+**     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,
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+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MYCAPTURE_H
+#define MYCAPTURE_H
+
+#include <QLabel>
+#include <Qt3DRender/QRenderCapture>
+
+class MyCapture : public QObject
+{
+    Q_OBJECT
+public:
+    MyCapture(Qt3DRender::QRenderCapture* capture, QLabel *imageLabel)
+        : m_capture(capture)
+        , m_cid(1)
+        , m_imageLabel(imageLabel)
+        , m_reply(nullptr)
+        , m_continuous(false)
+    {
+    }
+
+public slots:
+    void onCompleted(bool isComplete)
+    {
+        if (isComplete) {
+            QObject::disconnect(connection);
+
+            m_imageLabel->setPixmap(QPixmap::fromImage(m_reply->image()));
+
+            ++m_cid;
+
+            m_reply->saveToFile("capture.bmp");
+
+            delete m_reply;
+            m_reply = nullptr;
+
+            if (m_continuous)
+                capture();
+        }
+    }
+
+    void setContinuous(bool continuos)
+    {
+        m_continuous = continuos;
+    }
+
+    void capture()
+    {
+        m_reply = m_capture->requestCapture(m_cid);
+        connection = QObject::connect(m_reply, &Qt3DRender::QRenderCaptureReply::completeChanged,
+                         this, &MyCapture::onCompleted);
+    }
+
+private:
+    Qt3DRender::QRenderCapture* m_capture;
+    Qt3DRender::QRenderCaptureReply *m_reply;
+    QMetaObject::Connection connection;
+    QLabel *m_imageLabel;
+    bool m_continuous;
+    int m_cid;
+};
+
+#endif
+