86 lines
1.9 KiB
QML
86 lines
1.9 KiB
QML
// Copyright (C) 2021 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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import QtQuick
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import QtQuick.Controls
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Rectangle {
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id: root
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width: 640
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height: 480
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visible: true
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//! [frameAnimation]
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FrameAnimation {
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id: frameAnimation
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property real fps: smoothFrameTime > 0 ? (1.0 / smoothFrameTime) : 0
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running: true
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}
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//! [frameAnimation]
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//! [item]
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Item {
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id: qt_logo
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width: 230
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height: 230
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anchors.fill: parent
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anchors.topMargin: 125
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layer.enabled: true
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layer.live: slider.value > 0 && frameAnimation.currentFrame % slider.value == 0
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//! [item]
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Rectangle {
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id: rectangle
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anchors.fill: parent
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color: "black"
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Image {
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anchors.fill: parent
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source: "content/qt_logo.png"
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}
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// one second is one full rotation
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RotationAnimation on rotation {
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loops: Animation.Infinite
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duration: 1000
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from: 0
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to: 360
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}
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}
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}
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Column {
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anchors.top: root.top
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anchors.left: root.left
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anchors.margins: 10
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Label {
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text: "FPS: " + frameAnimation.fps.toFixed(0)
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font.pixelSize: 20
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font.italic: true
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}
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Label {
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text: "Rect rotation (degrees): " + rectangle.rotation.toFixed(0)
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font.pixelSize: 20
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font.italic: true
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}
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Row {
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Label {
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text: qsTr("Draw every " + slider.value.toFixed(0) + " frame")
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font.pixelSize: 20
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font.italic: true
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}
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Slider {
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id: slider
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from: 0
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value: 1
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to: 10
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stepSize: 1
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}
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}
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}
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}
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