Triangle.qml

import QtQuick 2.9
import QtQuick.Controls 2.2
import org.mauikit.controls 1.0 as Maui
import QtQuick.Shapes 1.12
 
Shape
{
    id: control
 
    /**
      * color : color
      */
    property color color : Maui.Theme.backgroundColor
 
    ShapePath
    {
        capStyle: ShapePath.SquareCap
        fillColor: control.color
        strokeColor: "transparent"
        strokeStyle: ShapePath.SolidLine
        startX: 0; startY: 0
        PathLine { x: control.width; y: control.height }
        PathLine { x: 0; y: control.height }
        PathLine { x: 0; y: 0 }
    }
}