358 lines
13 KiB
QML
358 lines
13 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2021 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtQuick module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick
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import QtQuick.Controls
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import QtQuick.Shapes
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Rectangle {
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id: root
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width: 1024
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height: 768
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property color col: "lightsteelblue"
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gradient: Gradient {
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GradientStop { position: 0.0; color: Qt.tint(root.col, "#20FFFFFF") }
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GradientStop { position: 0.1; color: Qt.tint(root.col, "#20AAAAAA") }
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GradientStop { position: 0.9; color: Qt.tint(root.col, "#20666666") }
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GradientStop { position: 1.0; color: Qt.tint(root.col, "#20000000") }
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}
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property int mode: 0
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property bool showResizers: true
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property bool fill: false
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Row {
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x: 20
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y: 10
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spacing: 20
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Button {
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id: radioButton1
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checked: true
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text: qsTr("Line")
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onPressed: () => { root.mode = 0 }
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width: 100
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height: 40
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background: Rectangle {
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border.color: "black"
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color: root.mode === 0 ? "red" : "transparent"
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anchors.fill: parent
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}
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}
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Button {
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text: qsTr("Cubic")
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onPressed: () => { root.mode = 1 }
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width: 100
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height: 40
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background: Rectangle {
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border.color: "black"
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color: root.mode === 1 ? "red" : "transparent"
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anchors.fill: parent
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}
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}
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Button {
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text: qsTr("Quadratic")
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onPressed: () => { root.mode = 2 }
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width: 100
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height: 40
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background: Rectangle {
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border.color: "black"
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color: root.mode === 2 ? "red" : "transparent"
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anchors.fill: parent
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}
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}
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Row {
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anchors.verticalCenter: radioButton1.verticalCenter
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spacing: 12
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Label {
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text: qsTr("Width:")
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anchors.verticalCenter: widthSlider.verticalCenter
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}
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Slider {
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id: widthSlider
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from: 1
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to: 60
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value: 4
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anchors.verticalCenter: parent.verticalCenter
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}
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}
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Button {
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text: qsTr("Manip")
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onPressed: () => {
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root.showResizers = !root.showResizers;
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for (var i = 0; i < canvas.resizers.length; ++i)
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canvas.resizers[i].visible = root.showResizers;
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}
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width: 50
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height: 40
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background: Rectangle {
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border.color: "black"
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color: root.showResizers ? "yellow" : "transparent"
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anchors.fill: parent
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}
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}
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Button {
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text: qsTr("Fill")
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onPressed: () => {
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root.fill = !root.fill
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}
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width: 50
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height: 40
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background: Rectangle {
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border.color: "black"
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color: root.fill ? "yellow" : "transparent"
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anchors.fill: parent
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}
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}
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}
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Rectangle {
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id: canvas
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width: root.width - 40
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height: root.height - 120
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x: 20
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y: 100
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property variant activePath: null
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property variant resizers: []
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property variant funcs
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property Component mouseArea: Component {
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Rectangle {
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id: rr
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property variant obj
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property string xprop
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property string yprop
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width: 20
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height: 20
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MouseArea {
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property bool a: false
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anchors.fill: parent
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hoverEnabled: true
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onEntered: color = "yellow"
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onExited: color = rr.color
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onPressed: a = true
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onReleased: a = false
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onPositionChanged: (mouse)=> {
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if (a) {
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var pt = mapToItem(rr.parent, mouse.x, mouse.y);
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rr.obj[rr.xprop] = pt.x
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rr.obj[rr.yprop] = pt.y
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rr.x = pt.x - 10
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rr.y = pt.y - 10
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}
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}
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}
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}
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}
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function genResizer(obj, x, y, xprop, yprop, color) {
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var ma = mouseArea.createObject(canvas, {
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color: color,
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xprop: xprop,
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yprop: yprop
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});
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ma.visible = root.showResizers;
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ma.obj = obj;
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ma.x = x - 10;
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ma.y = y - 10;
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resizers.push(ma);
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return ma;
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}
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property Component linePath: Component {
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ShapePath {
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id: lineShapePath
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strokeColor: "black"
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strokeWidth: widthSlider.value
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fillColor: "transparent"
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PathLine {
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x: lineShapePath.startX + 1
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y: lineShapePath.startY + 1
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}
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}
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}
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property Component cubicPath: Component {
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ShapePath {
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id: cubicShapePath
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strokeColor: "black"
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strokeWidth: widthSlider.value
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fillColor: root.fill ? 'green' : 'transparent'
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PathCubic {
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x: cubicShapePath.startX + 1
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y: cubicShapePath.startY + 1
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control1X: cubicShapePath.startX + 50;
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control1Y: cubicShapePath.startY + 50;
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control2X: cubicShapePath.startX + 150;
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control2Y: cubicShapePath.startY + 50;
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}
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}
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}
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property Component quadPath: Component {
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ShapePath {
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id: quadShapePath
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strokeColor: "black"
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strokeWidth: widthSlider.value
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fillColor: root.fill ? 'green' : 'transparent'
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PathQuad {
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x: quadShapePath.startx + 1
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y: quadShapePath.startY + 1
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controlX: quadShapePath.startX + 50
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controlY: quadShapePath.startY + 50
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}
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}
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}
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Component.onCompleted: {
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funcs = [
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{ "start": function(x, y) {
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var p = linePath.createObject(root, { startX: x, startY: y });
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shape.data.push(p);
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activePath = p;
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}, "move": function(x, y) {
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if (!activePath)
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return;
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var pathObj = activePath.pathElements[0];
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pathObj.x = x;
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pathObj.y = y;
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}, "end": function() {
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canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
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var pathObj = activePath.pathElements[0];
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canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
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activePath = null;
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}
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},
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{ "start": function(x, y) {
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var p = cubicPath.createObject(root, { startX: x, startY: y });
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shape.data.push(p);
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activePath = p;
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}, "move": function(x, y) {
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if (!activePath)
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return;
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var pathObj = activePath.pathElements[0];
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pathObj.x = x;
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pathObj.y = y;
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}, "end": function() {
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canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
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var pathObj = activePath.pathElements[0];
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canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
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canvas.genResizer(pathObj, pathObj.control1X, pathObj.control1Y, "control1X", "control1Y", "blue");
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canvas.genResizer(pathObj, pathObj.control2X, pathObj.control2Y, "control2X", "control2Y", "lightBlue");
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activePath = null;
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}
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},
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{ "start": function(x, y) {
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var p = quadPath.createObject(root, { startX: x, startY: y });
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shape.data.push(p);
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activePath = p;
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}, "move": function(x, y) {
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if (!activePath)
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return;
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var pathObj = activePath.pathElements[0];
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pathObj.x = x;
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pathObj.y = y;
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}, "end": function() {
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canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
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var pathObj = activePath.pathElements[0];
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canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
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canvas.genResizer(pathObj, pathObj.controlX, pathObj.controlY, "controlX", "controlY", "blue");
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activePath = null;
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}
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}
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];
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}
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MouseArea {
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anchors.fill: parent
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onPressed: (mouse)=> {
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canvas.funcs[root.mode].start(mouse.x, mouse.y);
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}
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onPositionChanged: (mouse)=> {
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canvas.funcs[root.mode].move(mouse.x, mouse.y);
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}
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onReleased: {
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canvas.funcs[root.mode].end();
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}
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}
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Shape {
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id: shape
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anchors.fill: parent
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data: []
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}
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}
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}
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