<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>shadereffects.qml Example File | Qt Quick 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtquick-index.html">Qt Quick</a></td><td ><a href="qtquick-shadereffects-example.html">Qt Quick Examples - Shader Effects</a></td><td >shadereffects.qml Example File</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtquick-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">shadereffects.qml Example File</h1> <span class="subtitle">shadereffects/shadereffects.qml</span> <!-- $$$shadereffects/shadereffects.qml-description --> <div class="descr"> <a name="details"></a> <pre class="qml"> /**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQuick module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** 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. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ import QtQuick 2.0 import QtQml.Models 2.1 import "content" Rectangle { id: root width: 320 height: 480 property color col: "lightsteelblue" gradient: Gradient { GradientStop { position: 0.0; color: Qt.tint(root.col, "#20FFFFFF") } GradientStop { position: 0.1; color: Qt.tint(root.col, "#20AAAAAA") } GradientStop { position: 0.9; color: Qt.tint(root.col, "#20666666") } GradientStop { position: 1.0; color: Qt.tint(root.col, "#20000000") } } ShaderEffectSource { id: theSource sourceItem: theItem } function saturate(x) { return Math.min(Math.max(x, 0), 1) } function sliderToColor(x) { return Qt.rgba(saturate(Math.max(2 - 6 * x, 6 * x - 4)), saturate(Math.min(6 * x, 4 - 6 * x)), saturate(Math.min(6 * x - 2, 6 - 6 * x))) } Grid { anchors.centerIn: parent columns: 2 Item { id: theItem width: 160 height: 160 ListView { anchors.centerIn: parent width: 160 height: 140 clip: true snapMode: ListView.SnapOneItem model: ObjectModel { Text { width: 160 height: 140 horizontalAlignment: Text.AlignHCenter verticalAlignment: Text.AlignVCenter font.pixelSize: 118 font.family: "Times" color: "blue" text: "Qt" } Image { width: 160 height: 140 source: "content/qt-logo.png" } Image { width: 160 height: 140 source: "content/face-smile.png" } } } } ShaderEffect { width: 160 height: 160 property variant source: theSource property real amplitude: 0.04 * wobbleSlider.value property real frequency: 20 property real time: 0 NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 } fragmentShader: "qrc:shadereffects/content/shaders/wobble.frag" Slider { id: wobbleSlider anchors.left: parent.left anchors.right: parent.right anchors.bottom: parent.bottom height: 40 } } ShaderEffect { width: 160 height: 160 property variant source: theSource property variant shadow: ShaderEffectSource { sourceItem: ShaderEffect { width: theItem.width height: theItem.height property variant delta: Qt.size(0.0, 1.0 / height) property variant source: ShaderEffectSource { sourceItem: ShaderEffect { width: theItem.width height: theItem.height property variant delta: Qt.size(1.0 / width, 0.0) property variant source: theSource fragmentShader: "qrc:shadereffects/content/shaders/blur.frag" } } fragmentShader: "qrc:shadereffects/content/shaders/blur.frag" } } property real angle: 0 property variant offset: Qt.point(15.0 * Math.cos(angle), 15.0 * Math.sin(angle)) NumberAnimation on angle { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 6000 } property variant delta: Qt.size(offset.x / width, offset.y / height) property real darkness: shadowSlider.value fragmentShader: "qrc:shadereffects/content/shaders/shadow.frag" Slider { id: shadowSlider anchors.left: parent.left anchors.right: parent.right anchors.bottom: parent.bottom height: 40 } } ShaderEffect { width: 160 height: 160 property variant source: theSource property variant delta: Qt.size(0.5 / width, 0.5 / height) fragmentShader: "qrc:shadereffects/content/shaders/outline.frag" } ShaderEffect { width: 160 height: 160 property variant source: theSource property color tint: root.sliderToColor(colorizeSlider.value) fragmentShader: "qrc:shadereffects/content/shaders/colorize.frag" Slider { id: colorizeSlider anchors.left: parent.left anchors.right: parent.right anchors.bottom: parent.bottom height: 40 } } ShaderEffect { width: 160 height: 160 property variant source: theSource property real bend: 0 property real minimize: 0 property real side: genieSlider.value SequentialAnimation on bend { loops: Animation.Infinite NumberAnimation { to: 1; duration: 700; easing.type: Easing.InOutSine } PauseAnimation { duration: 1600 } NumberAnimation { to: 0; duration: 700; easing.type: Easing.InOutSine } PauseAnimation { duration: 1000 } } SequentialAnimation on minimize { loops: Animation.Infinite PauseAnimation { duration: 300 } NumberAnimation { to: 1; duration: 700; easing.type: Easing.InOutSine } PauseAnimation { duration: 1000 } NumberAnimation { to: 0; duration: 700; easing.type: Easing.InOutSine } PauseAnimation { duration: 1300 } } mesh: Qt.size(10, 10) vertexShader: "qrc:shadereffects/content/shaders/genie.vert" Slider { id: genieSlider anchors.left: parent.left anchors.right: parent.right anchors.bottom: parent.bottom height: 40 } } } } </pre> </div> <!-- @@@shadereffects/shadereffects.qml --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. 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