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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
import QtQuick 2.9
import QtQuick.Shapes 1.0
Shape {
id: root
implicitWidth: 100
implicitHeight: 100
property alias gradient: path.fillGradient
property alias strokeStyle: path.strokeStyle
property alias strokeWidth: path.strokeWidth
property alias strokeColor: path.strokeColor
property alias dashPattern: path.dashPattern
property alias joinStyle: path.joinStyle
property alias fillColor: path.fillColor
property alias capStyle: path.capStyle
property alias dashOffset: path.dashOffset
property real begin: 0
property real end: 90
property real arcWidth: 10
property real arcWidthBegin: arcWidth
property real arcWidthEnd: arcWidth
property real radiusInnerAdjust: 0
property real radiusOuterAdjust: 0
property real alpha: clamp(sortedEnd() - sortedBegin(),0, 359.9)
layer.enabled: antialiasing
layer.smooth: antialiasing
layer.textureSize: Qt.size(width * 2, height * 2)
property bool outlineArc: false
property bool round: false
property bool roundEnd: round
property bool roundBegin: round
function clamp(num, min, max) {
return num <= min ? min : num >= max ? max : num;
}
function myCos(angleInDegrees) {
var angleInRadians = angleInDegrees * Math.PI / 180.0;
return Math.cos(angleInRadians)
}
function mySin(angleInDegrees) {
var angleInRadians = angleInDegrees * Math.PI / 180.0;
return Math.sin(angleInRadians)
}
function polarToCartesianX(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = angleInDegrees * Math.PI / 180.0;
var x = centerX + radius * Math.cos(angleInRadians)
return x
}
function polarToCartesianY(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = angleInDegrees * Math.PI / 180.0;
var y = centerY + radius * Math.sin(angleInRadians);
return y
}
function calc()
{
path.__xRadius = root.width / 2 - root.strokeWidth / 2
path.__yRadius = root.height / 2 - root.strokeWidth / 2
path.__Xcenter = root.width / 2
path.__Ycenter = root.height / 2
path.startX = root.polarToCartesianX(path.__Xcenter, path.__Ycenter, path.__xRadius, root.sortedBegin() - 90) + root.__beginOff * myCos(root.sortedBegin() + 90)
path.startY = root.polarToCartesianY(path.__Xcenter, path.__Ycenter, path.__yRadius, root.sortedBegin() - 90) + root.__beginOff * mySin(root.sortedBegin() + 90)
arc1.x = root.polarToCartesianX(path.__Xcenter, path.__Ycenter, path.__xRadius, root.sortedEnd() - 90) + root.__endOff * myCos(root.sortedEnd() + 90)
arc1.y = root.polarToCartesianY(path.__Xcenter, path.__Ycenter, path.__yRadius, root.sortedEnd() - 90) + root.__endOff * mySin(root.sortedEnd() + 90)
arc1.radiusX = path.__xRadius - root.__endOff / 2 -root.__beginOff / 2 + root.radiusOuterAdjust
arc1.radiusY = path.__yRadius - root.__endOff / 2 -root.__beginOff / 2 + root.radiusOuterAdjust
arc1.useLargeArc = root.alpha > 180
}
function sortedBegin()
{
return(Math.min(root.begin, root.end))
}
function sortedEnd()
{
return(Math.max(root.begin, root.end))
}
onWidthChanged: calc()
onHeightChanged: calc()
onBeginChanged: calc()
onEndChanged: calc()
onAlphaChanged: calc()
ShapePath {
id: path
property real __xRadius
property real __yRadius
property real __Xcenter
property real __Ycenter
strokeColor: "red"
strokeWidth: 4
capStyle: ShapePath.FlatCap
}
property real __beginOff: {
if (root.arcWidthEnd > root.arcWidthBegin)
return (root.arcWidthEnd - root.arcWidthBegin) / 2
return 0;
}
property real __endOff: {
if (root.arcWidthBegin > root.arcWidthEnd)
return (root.arcWidthBegin - root.arcWidthEnd) / 2
return 0;
}
property real __startP: root.arcWidthBegin + __beginOff
property real __endP: root.arcWidthEnd + __endOff
Item {
id: shapes
PathArc {
id: arc1
property bool add: true
}
PathLine {
relativeX: root.arcWidthEnd * myCos(root.sortedEnd())
relativeY: root.arcWidthEnd * mySin(root.sortedEnd())
property bool add: !root.roundEnd && (root.outlineArc && root.alpha < 359.8)
}
PathArc {
relativeX: root.arcWidthEnd * myCos(root.sortedEnd())
relativeY: root.arcWidthEnd * mySin(root.sortedEnd())
radiusX: root.arcWidthEnd /2
radiusY: root.arcWidthEnd /2
property bool add: root.roundEnd && (root.outlineArc && root.alpha < 359.8)
}
PathMove {
relativeX: root.arcWidthEnd * myCos(root.sortedEnd())
relativeY: root.arcWidthEnd * mySin(root.sortedEnd())
property bool add: root.outlineArc && root.alpha > 359.7
}
PathArc {
id: arc2
useLargeArc: arc1.useLargeArc
radiusX: path.__xRadius - root.arcWidthBegin + root.__beginOff / 2 + root.__endOff / 2 + root.radiusInnerAdjust
radiusY:path.__yRadius - root.arcWidthBegin + root.__beginOff / 2 + root.__endOff / 2 + root.radiusInnerAdjust
x: path.startX + root.arcWidthBegin * myCos(root.sortedBegin())
y: path.startY + root.arcWidthBegin * mySin(root.sortedBegin())
direction: PathArc.Counterclockwise
property bool add: root.outlineArc
}
PathLine {
x: path.startX
y: path.startY
property bool add: !root.roundBegin && root.outlineArc && root.alpha < 359.8
}
PathArc {
x: path.startX
y: path.startY
radiusX: root.arcWidthEnd /2
radiusY: root.arcWidthEnd /2
property bool add: root.roundBegin && root.outlineArc && root.alpha < 359.8
}
PathMove {
x: path.startX
y: path.startY
property bool add: root.outlineArc && root.alpha == 360
}
}
function invalidatePaths() {
if (!root.__completed)
return
for (var i = 0; i < shapes.resources.length; i++) {
var s = shapes.resources[i];
if (s.add)
path.pathElements.push(s)
}
}
property bool __completed: false
Component.onCompleted: {
root.__completed = true
invalidatePaths()
calc()
}
}
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