Qt Documentation

ImageMask.qml Example File

declarative/shadereffects/qml/shadereffects/ImageMask.qml
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import QtQuick 1.0
import Qt.labs.shaders 1.0
Item  {
 anchors.fill: parent
 Image  {
 id: bg
 anchors.fill: parent
 source: "images/image2.jpg"
 }
 Item  {
 id: mask
 anchors.fill: parent
 Text  {
 text: "Mask text"
 font.pixelSize: 50
 font.bold: true
 anchors.horizontalCenter: parent.horizontalCenter
 NumberAnimation on rotation {
 running: true
 loops: Animation.Infinite
 from: 0
 to: 360
 duration: 3000
 }
 SequentialAnimation on y {
 running: true
 loops: Animation.Infinite
 NumberAnimation  {
 to: main.height
 duration: 3000
 }
 NumberAnimation  {
 to: 0
 duration: 3000
 }
 }
 }
 Rectangle  {
 id: opaqueBox
 width: 60
 height: parent.height
 SequentialAnimation on x {
 running: true
 loops: Animation.Infinite
 NumberAnimation  {
 to: main.width
 duration: 2000
 easing.type: Easing.InOutCubic
 }
 NumberAnimation  {
 to: 0
 duration: 2000
 easing.type: Easing.InOutCubic
 }
 }
 }
 Rectangle  {
 width: 100
 opacity: 0.5
 height: parent.height
 SequentialAnimation on x {
 PauseAnimation  { duration: 100 }
 SequentialAnimation  {
 loops: Animation.Infinite
 NumberAnimation  {
 to: main.width
 duration: 2000
 easing.type: Easing.InOutCubic
 }
 NumberAnimation  {
 to: 0
 duration: 2000
 easing.type: Easing.InOutCubic
 }
 }
 }
 }
 }
 ImageMaskEffect {
 anchors.fill: parent
 image: ShaderEffectSource {
 sourceItem: Image { source: "images/image1.jpg" }
 live: false
 hideSource: true
 }
 mask: ShaderEffectSource {
 sourceItem: mask
 live: true
 hideSource: true
 }
 }
}

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