Make item.layer and item.layer.effect work inside positioners.

Task-number: QTBUG-31269
Change-Id: Ic3bb76ea5a5055df614f2eaacd3031445f118ca7
Reviewed-by: Jan Arve Sæther <jan-arve.saether@digia.com>
Reviewed-by: Robin Burchell <robin+qt@viroteck.net>

1 files changed, 207 insertions, 0 deletions

diff --git a/tests/auto/qmltest/item/tst_layerInPositioner.qml b/tests/auto/qmltest/item/tst_layerInPositioner.qml
new file mode 100644
index 0000000000..9144fe1d8f
--- /dev/null
+++ b/tests/auto/qmltest/item/tst_layerInPositioner.qml
@@ -0,0 +1,207 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Jolla Ltd, author: <gunnar.sletta@jollamobile.com>
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite 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 2.4
+import QtTest 1.0
+
+Item {
+    id: root;
+    width: 400
+    height: 400
+
+    TestCase {
+        id: testCase
+        name: "transparentForPositioner"
+        when: windowShown
+        function test_endresult() {
+            var image = grabImage(root);
+
+            // Row of red, green, blue and white box inside blue
+            // At 10,10, spanning 10x10 pixels each
+            verify(image.pixel(10, 10) == Qt.rgba(1, 0, 0, 1));
+            verify(image.pixel(20, 10) == Qt.rgba(0, 1, 0, 1));
+            verify(image.pixel(30, 10) == Qt.rgba(0, 0, 1, 1));
+
+            // Column of red, green, blue and white box inside blue
+            // At 10,30, spanning 10x10 pixels each
+            verify(image.pixel(10, 30) == Qt.rgba(1, 0, 0, 1));
+            verify(image.pixel(10, 40) == Qt.rgba(0, 1, 0, 1));
+            verify(image.pixel(10, 50) == Qt.rgba(0, 0, 1, 1));
+
+            // Flow of red, green, blue and white box inside blue
+            // At 30,30, spanning 10x10 pixels each, wrapping after two boxes
+            verify(image.pixel(30, 30) == Qt.rgba(1, 0, 0, 1));
+            verify(image.pixel(40, 30) == Qt.rgba(0, 1, 0, 1));
+            verify(image.pixel(30, 40) == Qt.rgba(0, 0, 1, 1));
+
+            // Flow of red, green, blue and white box inside blue
+            // At 100,10, spanning 10x10 pixels each, wrapping after two boxes
+            verify(image.pixel(60, 10) == Qt.rgba(1, 0, 0, 1));
+            verify(image.pixel(70, 10) == Qt.rgba(0, 1, 0, 1));
+            verify(image.pixel(60, 20) == Qt.rgba(0, 0, 1, 1));
+        }
+    }
+
+    Component {
+        id: greenPassThrough
+        ShaderEffect {
+            fragmentShader:
+            "
+                uniform lowp sampler2D source;
+                varying highp vec2 qt_TexCoord0;
+                void main() {
+                    gl_FragColor = texture2D(source, qt_TexCoord0) * vec4(0, 1, 0, 1);
+                }
+            "
+        }
+    }
+
+    Row {
+        id: theRow
+        x: 10
+        y: 10
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ff0000"
+            layer.enabled: true
+        }
+
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ffffff"
+            layer.enabled: true
+            layer.effect: greenPassThrough
+        }
+
+        Rectangle {
+            id: blueInRow
+            width: 10
+            height: 10
+            color: "#0000ff"
+        }
+    }
+
+    Column {
+        id: theColumn
+        x: 10
+        y: 30
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ff0000"
+            layer.enabled: true
+        }
+
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ffffff"
+            layer.enabled: true
+            layer.effect: greenPassThrough
+        }
+
+        Rectangle {
+            id: blueInColumn
+            width: 10
+            height: 10
+            color: "#0000ff"
+        }
+    }
+
+    Flow {
+        id: theFlow
+        x: 30
+        y: 30
+        width: 20
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ff0000"
+            layer.enabled: true
+        }
+
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ffffff"
+            layer.enabled: true
+            layer.effect: greenPassThrough
+        }
+
+        Rectangle {
+            id: blueInFlow
+            width: 10
+            height: 10
+            color: "#0000ff"
+        }
+    }
+
+    Grid {
+        id: theGrid
+        x: 60
+        y: 10
+        columns: 2
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ff0000"
+            layer.enabled: true
+        }
+
+        Rectangle {
+            width: 10
+            height: 10
+            color: "#ffffff"
+            layer.enabled: true
+            layer.effect: greenPassThrough
+        }
+
+        Rectangle {
+            id: blueInGrid
+            width: 10
+            height: 10
+            color: "#0000ff"
+        }
+    }
+
+}