shadereffects.qml Example File
shadereffects/shadereffects.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. 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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 } } } }