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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Shapes
import QtQuick.Controls
Rectangle {
id: root
width: 1024
height: 768
readonly property color col: "lightsteelblue"
gradient: Gradient {
GradientStop {
position: 0.0
color: Qt.tint(root.col, "#20FFFFFF")
}
GradientStop {
position: 0.1
color: Qt.tint(root.col, "#20AAAAAA")
}
GradientStop {
position: 0.9
color: Qt.tint(root.col, "#20666666")
}
GradientStop {
position: 1.0
color: Qt.tint(root.col, "#20000000")
}
}
layer.enabled: msaaCheckBox.checked
layer.samples: 4
Item {
id: zoomView
anchors.fill: parent
anchors.margins: 10
anchors.leftMargin: 100
property bool zoomedIn: false
property rect zoomTarget: Qt.rect(0, 0, 100, 100)
property rect zoomRect: zoomTarget
Behavior on zoomRect {
id: zoomBehavior
PropertyAnimation { id: zoomAnimation; duration: 800 }
}
property real zoomScale: Math.min(width / zoomRect.width, height / zoomRect.height)
Item {
width: loader1.width
height: loader1.height
scale: zoomView.zoomScale
transformOrigin: Item.TopLeft
Loader {
id: loader1
x: -zoomView.zoomRect.x
y: -zoomView.zoomRect.y
property rect br: item ? item.boundingRect : Qt.rect(0, 0, 100, 100)
source: "tiger.qml"
asynchronous: true
visible: status === Loader.Ready
onLoaded: {
item.highlightOnTap = false
zoomView.zoomTarget = br
width = br
height = br
}
}
}
}
MouseArea {
anchors.fill: parent
property vector2d clickPoint
property vector2d zoomPoint
property bool dragged: false
property real targetSize: 30
enabled: !zoomAnimation.running
onPressed: (event) => {
clickPoint = Qt.vector2d(event.x, event.y)
zoomPoint = Qt.vector2d(zoomView.zoomRect.x, zoomView.zoomRect.y)
dragged = false
zoomBehavior.enabled = false
}
onReleased: (event) => {
if (!dragged)
doTap(Qt.point(event.x, event.y))
}
onPositionChanged: (event) => {
if (!dragged) {
let delta = Qt.vector2d(event.x, event.y).minus(clickPoint)
if (delta.length() < drag.threshold)
return
}
dragged = true
if (zoomView.zoomedIn) {
doDrag(Qt.point(event.x, event.y))
}
}
function doDrag(pos) {
let r = zoomView.zoomTarget
let xx = zoomPoint.x - (pos.x - clickPoint.x) / zoomView.zoomScale
let yy = zoomPoint.y - (pos.y - clickPoint.y) / zoomView.zoomScale
zoomView.zoomTarget = Qt.rect(xx, yy, r.width, r.height)
}
function doTap(pos) {
if (zoomView.zoomedIn) {
zoomBehavior.enabled = true
zoomView.zoomTarget = loader1.br
zoomView.zoomedIn = false
} else {
let localPos = loader1.mapFromItem(root, pos)
let xx = localPos.x - loader1.br.left
let yy = localPos.y - loader1.br.top
if (loader1.item.contains(Qt.point(xx,yy))) {
zoomBehavior.enabled = true
zoomView.zoomTarget = Qt.rect(xx - 184 - targetSize/2, yy - 144 - targetSize/2, targetSize, targetSize)
zoomView.zoomedIn = true
}
}
}
}
Rectangle {
opacity: 0.5
color: "white"
x: settings.childrenRect.x
y: settings.childrenRect.y
width: settings.childrenRect.width
height: settings.childrenRect.height
}
Column {
id: settings
RadioButton {
id: curveRendererCheckBox
text: "Curve Renderer"
onCheckedChanged: {
loader1.item.preferredRendererType = checked ? Shape.CurveRenderer : Shape.GeometryRenderer
}
}
RadioButton {
id: geometryRendererCheckBox
text: "Geometry Renderer"
checked: true
}
RadioButton {
id: msaaCheckBox
text: "Geometry Renderer 4x MSAA"
}
}
}
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