Added an example that shows how to consume texture providers from C++.

And how to use use two textures in the same material.

Change-Id: Idcc618ed359422c2a104eeed105b7c4f5086ee4e
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

1 files changed, 76 insertions, 0 deletions

diff --git a/examples/quick/scenegraph/twotextureproviders/xorblender.h b/examples/quick/scenegraph/twotextureproviders/xorblender.h
new file mode 100644
index 0000000000..d82352da15
--- /dev/null
+++ b/examples/quick/scenegraph/twotextureproviders/xorblender.h
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Gunnar Sletta <gunnar@sletta.org>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 Digia Plc and its Subsidiary(-ies) 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef XORBLENDER_H
+#define XORBLENDER_H
+
+#include <QQuickItem>
+
+class XorBlender : public QQuickItem
+{
+    Q_OBJECT
+    Q_PROPERTY(QQuickItem *source1 READ source1 WRITE setSource1 NOTIFY source1Changed)
+    Q_PROPERTY(QQuickItem *source2 READ source2 WRITE setSource2 NOTIFY source2Changed)
+
+public:
+    explicit XorBlender(QQuickItem *parent = 0);
+
+    QQuickItem *source1() const { return m_source1; }
+    QQuickItem *source2() const { return m_source2; }
+
+    void setSource1(QQuickItem *i);
+    void setSource2(QQuickItem *i);
+
+protected:
+    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
+
+signals:
+    void source1Changed(QQuickItem *item);
+    void source2Changed(QQuickItem *item);
+
+private:
+    QQuickItem *m_source1;
+    QQuickItem *m_source2;
+
+    bool m_source1Changed;
+    bool m_source2Changed;
+};
+
+#endif // XORBLENDER_H