Warning, /webapps/qmlonline/qml/examples/brightnesscontrast.qml is written in an unsupported language. File is not indexed.

 import QtQuick 2.12
 import QtGraphicalEffects 1.12
 import QtQuick.Controls 2.12
 import QtQuick.Layouts 1
 
 Item {
     anchors.fill: parent
 
     Image {
         id: bug
         source: "https://live.staticflickr.com/2709/4163641325_8f60d4f75a_m.jpg"
         smooth: true
         visible: false
     }
 
     BrightnessContrast {
         anchors.fill: parent
         source: bug
         brightness: sliderBright.value
         contrast: sliderContrast.value
     }
 
     ColumnLayout {
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.bottom: parent.bottom
 
         RowLayout {
             Label {
                 text: "Brightness [" + Math.round(sliderBright.value*100) + "]"
             }
             Slider {
                 id: sliderBright
                 Layout.fillWidth: true
             }
         }
 
         RowLayout {
             Label {
                 text: "Contrast [" + Math.round(sliderContrast.value*100) + "]"
             }
             Slider {
                 id: sliderContrast
                 Layout.fillWidth: true
             }
         }
     }
 }