着色 QML 类型

import QtQuick
import Qt5Compat.GraphicalEffects

Item {
    width: 300
    height: 300

    Image {
        id: bug
        source: "images/bug.jpg"
        sourceSize: Qt.size(parent.width, parent.height)
        smooth: true
        visible: false
    }

    Colorize {
        anchors.fill: bug
        source: bug
        hue: 0.0
        saturation: 0.5
        lightness: -0.2
    }
}