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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL-EXCEPT$
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.15
+
+/*
+ QTBUG-92984.
+
+ Have three Image (with semi-transparency) and two semi-transparent
+ Rectangle elements, and so all in the alpha render list, with images that
+ are big enough to not get atlased. (meaning the underlying nodes never get
+ merged, but the nodes for the Rectangle elements might)
+
+ Lay them out vertically below each other, with the two Rectangles on top of
+ the second and third Images, respectively. Then change (swap) the source
+ property of the Images. This triggers a rebuild in the batch renderer.
+
+ Verify that the results are still correct, i.e. that the two Rectangle
+ elements do not get merged. An incorrect result would be having the third
+ Image rendered on top of the corresponding Rectangle due the two Rectangles
+ (incorrectly) being in one merged batch. The Image should always be below,
+ regardless of which nodes get changed, invalidated, and how batches get
+ rebuilt.
+
+ The base-final sample set 1 just verifies that the Image changes from the
+ blueish to greenish. The important part is the second set of samples: this
+ checks that the red(ish) rectangle is still on top of the third Image. With
+ incorrect merging behavior the second final result would be the same as the
+ first final one (i.e. the "background" Image rendered, incorrectly, on top
+ of the Rectangle).
+
+ #samples: 4
+ PixelPos R G B Error-tolerance
+ #base: 30 115 0.24313 0.30588 0.99607 0.05
+ #base: 30 124 0.847059 0.062745 0.2 0.05
+ #final: 30 115 0.36078 0.99607 0.42745 0.05
+ #final: 30 124 0.870588 0.2 0.0862745 0.05
+*/
+
+RenderTestBase {
+ id: root
+
+ property string selectedItem: "item2"
+
+ Item {
+ width: 150; height: 50
+ Image {
+ width: parent.width
+ objectName: "item1"
+ source: "widebtn1.png"
+ }
+ }
+
+ Item {
+ y: 50; width: 150; height: 50
+ Image {
+ width: parent.width
+ objectName: "item2"
+ source: selectedItem == objectName ? "widebtn2.png" : "widebtn1.png"
+ }
+ Rectangle {
+ anchors.fill: parent
+ anchors.margins: 20
+ color: "red"
+ opacity: 0.8
+ }
+ }
+
+ Item {
+ y: 100; width: 150; height: 50
+ Image {
+ id: img3
+ width: parent.width
+ objectName: "item3"
+ source: selectedItem == objectName ? "widebtn2.png" : "widebtn1.png"
+ }
+ Rectangle {
+ width: parent.width + 50
+ anchors.centerIn: parent
+ height: img3.height - 40
+ color: "red"
+ opacity: 0.8
+ }
+ }
+
+ onEnterFinalStage: {
+ selectedItem = "item3";
+ finalStageComplete = true;
+ }
+}