33 lines
631 B
QML
33 lines
631 B
QML
|
import QtQuick 2.0
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* Meter in half circle
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
Item {
|
|||
|
|
/// current level
|
|||
|
|
property double level: 0
|
|||
|
|
/// minimum level
|
|||
|
|
property double min: -1
|
|||
|
|
/// maximum level
|
|||
|
|
property double max: 1
|
|||
|
|
/// theme object
|
|||
|
|
property QtObject theme
|
|||
|
|
|
|||
|
|
Canvas {
|
|||
|
|
id: canvas
|
|||
|
|
anchors.fill: parent
|
|||
|
|
onPaint: {
|
|||
|
|
var ctx = canvas.getContext('2d');
|
|||
|
|
ctx.strokeStyle = theme.primaryColor
|
|||
|
|
ctx.lineWidth = 1
|
|||
|
|
ctx.beginPath()
|
|||
|
|
ctx.moveTo(0,height - 1)
|
|||
|
|
ctx.bezierCurveTo(0, 0, width * 0.5 * (1 - Math.cos(Math.PI/4)), height * Math.sin(Math.PI/4), width / 2, 0)
|
|||
|
|
//ctx.closePath()
|
|||
|
|
ctx.stroke()
|
|||
|
|
console.log("canvas done")
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|