1/****************************************************************************
2**
3** Copyright (C) 2019 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the demonstration applications of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24**   * Redistributions of source code must retain the above copyright
25**     notice, this list of conditions and the following disclaimer.
26**   * Redistributions in binary form must reproduce the above copyright
27**     notice, this list of conditions and the following disclaimer in
28**     the documentation and/or other materials provided with the
29**     distribution.
30**   * Neither the name of The Qt Company Ltd nor the names of its
31**     contributors may be used to endorse or promote products derived
32**     from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51import QtQuick 2.0
52//! [1]
53import VulkanTextureImport 1.0
54//! [1]
55
56Rectangle {
57    gradient: Gradient {
58        GradientStop { position: 0; color: "firebrick" }
59        GradientStop { position: 1; color: "black" }
60    }
61
62    //! [2]
63    CustomTextureItem {
64        id: renderer
65        anchors.fill: parent
66        anchors.margins: 10
67
68        SequentialAnimation on t {
69            NumberAnimation { to: 1; duration: 2500; easing.type: Easing.InQuad }
70            NumberAnimation { to: 0; duration: 2500; easing.type: Easing.OutQuad }
71            loops: Animation.Infinite
72            running: true
73        }
74    //! [2]
75
76        transform: [
77            Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: renderer.width / 2; origin.y: renderer.height / 2; },
78            Translate { id: txOut; x: -renderer.width / 2; y: -renderer.height / 2 },
79            Scale { id: scale; },
80            Translate { id: txIn; x: renderer.width / 2; y: renderer.height / 2 }
81        ]
82    }
83
84    SequentialAnimation {
85        PauseAnimation { duration: 5000 }
86        ParallelAnimation {
87            NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
88            NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack }
89        }
90        NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic }
91        NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic }
92        NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic }
93        NumberAnimation { target: renderer; property: "opacity"; to: 0.1; duration: 1000; easing.type: Easing.InOutCubic }
94        PauseAnimation { duration: 1000 }
95        NumberAnimation { target: renderer; property: "opacity"; to: 1.0; duration: 1000; easing.type: Easing.InOutCubic }
96        ParallelAnimation {
97            NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
98            NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack }
99        }
100        running: true
101        loops: Animation.Infinite
102    }
103
104    Rectangle {
105        id: labelFrame
106        anchors.margins: -10
107        radius: 5
108        color: "white"
109        border.color: "black"
110        opacity: 0.5
111        anchors.fill: label
112    }
113
114    Text {
115        id: label
116        anchors.bottom: renderer.bottom
117        anchors.left: renderer.left
118        anchors.right: renderer.right
119        anchors.margins: 20
120        wrapMode: Text.WordWrap
121        text: "The squircle, using rendering code borrowed from the vulkanunderqml example, is rendered into a texture directly with Vulkan. The VkImage is then imported and used in a custom Qt Quick item."
122    }
123}
124