85 lines
2.3 KiB
QML
85 lines
2.3 KiB
QML
// Copyright (C) 2024 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
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import QtQuick
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import QtQuick.Controls
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Rectangle {
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width: 400
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height: 400
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color: palette.window
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Row {
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CheckBox {
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id: smoothCB
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text: "smooth"
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}
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CheckBox {
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id: aaCB
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text: "antialiasing"
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checked: true
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}
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CheckBox {
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id: angleCB
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text: "by angle"
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}
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}
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Rectangle {
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color: "orange"
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width: 300; height: 200
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anchors.centerIn: parent
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transform: Shear {
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id: barber
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origin.x: 150
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origin.y: 100
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xAngle: angleCB.checked ? hwheel.rotation : 0
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yAngle: angleCB.checked ? vwheel.rotation : 0
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xFactor: !angleCB.checked ? hwheel.rotation / 120 : 0
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yFactor: !angleCB.checked ? vwheel.rotation / 120 : 0
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}
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smooth: smoothCB.checked
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antialiasing: aaCB.checked
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Text {
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text: "use mouse wheels / touchpad gestures to shear\nclick to set shear center"
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horizontalAlignment: Text.AlignHCenter
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anchors.centerIn: parent
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}
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Rectangle {
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x: barber.origin.x - width / 2
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y: barber.origin.y - width / 2
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width: 5; height: 5; radius: 2.5
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color: "red"
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}
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WheelHandler {
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id: vwheel
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acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
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target: null
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}
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WheelHandler {
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id: hwheel
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acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
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orientation: Qt.Horizontal
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target: null
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}
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TapHandler {
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onTapped: barber.origin = point.position
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}
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}
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Text {
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color: palette.windowText
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text: angleCB.checked ?
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"angles " + barber.xAngle.toFixed(3) + ", " + barber.yAngle.toFixed(3)
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+ "\ntangents " + Math.tan(barber.xAngle * Math.PI / 180).toFixed(2) + ", "
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+ Math.tan(barber.yAngle * Math.PI / 180).toFixed(2)
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: "factors " + barber.xFactor.toFixed(3) + ", " + barber.yFactor.toFixed(3)
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anchors.bottom: parent.bottom
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}
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}
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