Make QQuickRenderControl public

QQuickRenderControl allows rendering Qt Quick 2 scenes into framebuffer
objects which can then be used in arbitrary ways in Qt-based or 3rd party
OpenGL renderers.

[ChangeLog][QtQuick] Introduced QQuickRenderControl as a public API.

Task-number: QTBUG-37944
Change-Id: I84262243b261b35cefdf67ec6bba8127a0f29275
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>

1 files changed, 198 insertions, 0 deletions

diff --git a/examples/quick/rendercontrol/demo.qml b/examples/quick/rendercontrol/demo.qml
new file mode 100644
index 0000000000..e7ede91540
--- /dev/null
+++ b/examples/quick/rendercontrol/demo.qml
@@ -0,0 +1,198 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples 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 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+import QtQuick.Particles 2.0
+
+Rectangle {
+    id: root
+    color: "green"
+
+    Rectangle {
+        width: 400
+        height: 400
+        anchors.centerIn: parent
+        color: "red"
+        NumberAnimation on rotation { from: 0; to: 360; duration: 2000; loops: Animation.Infinite; }
+    }
+
+    Text {
+        anchors.centerIn: parent
+        text: "Qt Quick in a texture"
+        font.pointSize: 40
+        color: "cyan"
+    }
+
+    ParticleSystem {
+        id: particles
+        anchors.fill: parent
+
+        ImageParticle {
+            id: smoke
+            system: particles
+            anchors.fill: parent
+            groups: ["A", "B"]
+            source: "qrc:///particleresources/glowdot.png"
+            colorVariation: 0
+            color: "#00111111"
+        }
+        ImageParticle {
+            id: flame
+            anchors.fill: parent
+            system: particles
+            groups: ["C", "D"]
+            source: "qrc:///particleresources/glowdot.png"
+            colorVariation: 0.1
+            color: "#00ff400f"
+        }
+
+        Emitter {
+            id: fire
+            system: particles
+            group: "C"
+
+            y: parent.height
+            width: parent.width
+
+            emitRate: 350
+            lifeSpan: 3500
+
+            acceleration: PointDirection { y: -17; xVariation: 3 }
+            velocity: PointDirection {xVariation: 3}
+
+            size: 24
+            sizeVariation: 8
+            endSize: 4
+        }
+
+        TrailEmitter {
+            id: fireSmoke
+            group: "B"
+            system: particles
+            follow: "C"
+            width: root.width
+            height: root.height - 68
+
+            emitRatePerParticle: 1
+            lifeSpan: 2000
+
+            velocity: PointDirection {y:-17*6; yVariation: -17; xVariation: 3}
+            acceleration: PointDirection {xVariation: 3}
+
+            size: 36
+            sizeVariation: 8
+            endSize: 16
+        }
+
+        TrailEmitter {
+            id: fireballFlame
+            anchors.fill: parent
+            system: particles
+            group: "D"
+            follow: "E"
+
+            emitRatePerParticle: 120
+            lifeSpan: 180
+            emitWidth: TrailEmitter.ParticleSize
+            emitHeight: TrailEmitter.ParticleSize
+            emitShape: EllipseShape{}
+
+            size: 16
+            sizeVariation: 4
+            endSize: 4
+        }
+
+        TrailEmitter {
+            id: fireballSmoke
+            anchors.fill: parent
+            system: particles
+            group: "A"
+            follow: "E"
+
+            emitRatePerParticle: 128
+            lifeSpan: 2400
+            emitWidth: TrailEmitter.ParticleSize
+            emitHeight: TrailEmitter.ParticleSize
+            emitShape: EllipseShape{}
+
+            velocity: PointDirection {yVariation: 16; xVariation: 16}
+            acceleration: PointDirection {y: -16}
+
+            size: 24
+            sizeVariation: 8
+            endSize: 8
+        }
+
+        Emitter {
+            id: balls
+            system: particles
+            group: "E"
+
+            y: parent.height
+            width: parent.width
+
+            emitRate: 2
+            lifeSpan: 7000
+
+            velocity: PointDirection {y:-17*4*2; xVariation: 6*6}
+            acceleration: PointDirection {y: 17*2; xVariation: 6*6}
+
+            size: 8
+            sizeVariation: 4
+        }
+
+        Turbulence { //A bit of turbulence makes the smoke look better
+            anchors.fill: parent
+            groups: ["A","B"]
+            strength: 32
+            system: particles
+        }
+    }
+
+    onWidthChanged: particles.reset()
+    onHeightChanged: particles.reset()
+
+    MouseArea {
+        anchors.fill: parent
+        onPressed: root.color = "gray"
+        onReleased: root.color = "green"
+    }
+}