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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.9
+import QtQuick.Shapes 1.0
+
+Rectangle {
+ id: root
+ width: 1024
+ height: 768
+
+ 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") }
+ }
+
+ property int mode: 0
+ property bool showResizers: true
+ property bool fill: false
+
+ Row {
+ x: 20
+ y: 10
+ spacing: 20
+ Rectangle {
+ border.color: "black"
+ color: root.mode === 0 ? "red" : "transparent"
+ width: 100
+ height: 40
+ Text {
+ anchors.centerIn: parent
+ text: "Line"
+ }
+ MouseArea {
+ anchors.fill: parent
+ onClicked: root.mode = 0
+ }
+ }
+ Rectangle {
+ border.color: "black"
+ color: root.mode === 1 ? "red" : "transparent"
+ width: 100
+ height: 40
+ Text {
+ anchors.centerIn: parent
+ text: "Cubic"
+ }
+ MouseArea {
+ anchors.fill: parent
+ onClicked: root.mode = 1
+ }
+ }
+ Rectangle {
+ border.color: "black"
+ color: root.mode === 2 ? "red" : "transparent"
+ width: 100
+ height: 40
+ Text {
+ anchors.centerIn: parent
+ text: "Quadratic"
+ }
+ MouseArea {
+ anchors.fill: parent
+ onClicked: root.mode = 2
+ }
+ }
+
+ Slider {
+ id: widthSlider
+ name: "Width"
+ min: 1
+ max: 60
+ init: 4
+ }
+
+ Rectangle {
+ border.color: "black"
+ color: root.showResizers ? "yellow" : "transparent"
+ width: 50
+ height: 40
+ Text {
+ anchors.centerIn: parent
+ text: "Manip"
+ }
+ MouseArea {
+ anchors.fill: parent
+ onClicked: {
+ root.showResizers = !root.showResizers;
+ for (var i = 0; i < canvas.resizers.length; ++i)
+ canvas.resizers[i].visible = root.showResizers;
+ }
+ }
+ }
+
+ Rectangle {
+ border.color: "black"
+ color: root.fill ? "yellow" : "transparent"
+ width: 50
+ height: 40
+ Text {
+ anchors.centerIn: parent
+ text: "Fill"
+ }
+ MouseArea {
+ anchors.fill: parent
+ onClicked: root.fill = !root.fill
+ }
+ }
+ }
+
+ Rectangle {
+ id: canvas
+ width: root.width - 40
+ height: root.height - 120
+ x: 20
+ y: 100
+
+ property variant activePath: null
+
+ property variant resizers: []
+ property variant funcs
+
+ function genResizer(obj, x, y, xprop, yprop, color) {
+ var ma = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; Rectangle { id: rr; property variant obj; color: "' + color + '"; width: 20; height: 20;'+
+ 'MouseArea { anchors.fill: parent; hoverEnabled: true;' +
+ 'onEntered: color = "yellow"; onExited: color = "' + color + '";' +
+ 'property bool a: false; onPressed: a = true; onReleased: a = false; ' +
+ 'onPositionChanged: if (a) { var pt = mapToItem(rr.parent, mouse.x, mouse.y);' +
+ 'obj.' + xprop + ' = pt.x; obj.' + yprop + ' = pt.y; rr.x = pt.x - 10; rr.y = pt.y - 10; } } }',
+ canvas, "resizer_item");
+ ma.visible = root.showResizers;
+ ma.obj = obj;
+ ma.x = x - 10;
+ ma.y = y - 10;
+ resizers.push(ma);
+ return ma;
+ }
+
+ Component.onCompleted: {
+ funcs = [
+ { "start": function(x, y) {
+ var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' +
+ 'strokeColor: "black"; fillColor: "transparent";'+
+ 'strokeWidth: ' + widthSlider.value + ';' +
+ 'startX: ' + x + '; startY: ' + y + ';' +
+ 'PathLine { x: ' + x + ' + 1; y: ' + y + ' + 1 } }',
+ root, "dynamic_visual_path");
+ shape.data.push(p);
+ activePath = p;
+ }, "move": function(x, y) {
+ if (!activePath)
+ return;
+ var pathObj = activePath.pathElements[0];
+ pathObj.x = x;
+ pathObj.y = y;
+ }, "end": function() {
+ canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
+ var pathObj = activePath.pathElements[0];
+ canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
+ activePath = null;
+ }
+ },
+ { "start": function(x, y) {
+ var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' +
+ 'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+
+ 'strokeWidth: ' + widthSlider.value + ';' +
+ 'startX: ' + x + '; startY: ' + y + ';' +
+ 'PathCubic { x: ' + x + ' + 1; y: ' + y + ' + 1;' +
+ 'control1X: ' + x + ' + 50; control1Y: ' + y + ' + 50; control2X: ' + x + ' + 150; control2Y: ' + y + ' + 50; } }',
+ root, "dynamic_visual_path");
+ shape.data.push(p);
+ activePath = p;
+ }, "move": function(x, y) {
+ if (!activePath)
+ return;
+ var pathObj = activePath.pathElements[0];
+ pathObj.x = x;
+ pathObj.y = y;
+ }, "end": function() {
+ canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
+ var pathObj = activePath.pathElements[0];
+ canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
+ canvas.genResizer(pathObj, pathObj.control1X, pathObj.control1Y, "control1X", "control1Y", "blue");
+ canvas.genResizer(pathObj, pathObj.control2X, pathObj.control2Y, "control2X", "control2Y", "lightBlue");
+ activePath = null;
+ }
+ },
+ { "start": function(x, y) {
+ var p = Qt.createQmlObject('import QtQuick 2.9; import QtQuick.Shapes 1.0; ShapePath {' +
+ 'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+
+ 'strokeWidth: ' + widthSlider.value + ';' +
+ 'startX: ' + x + '; startY: ' + y + ';' +
+ 'PathQuad { x: ' + x + ' + 1; y: ' + y + ' + 1;' +
+ 'controlX: ' + x + ' + 50; controlY: ' + y + ' + 50 } }',
+ root, "dynamic_visual_path");
+ shape.data.push(p);
+ activePath = p;
+ }, "move": function(x, y) {
+ if (!activePath)
+ return;
+ var pathObj = activePath.pathElements[0];
+ pathObj.x = x;
+ pathObj.y = y;
+ }, "end": function() {
+ canvas.genResizer(activePath, activePath.startX, activePath.startY, "startX", "startY", "red");
+ var pathObj = activePath.pathElements[0];
+ canvas.genResizer(pathObj, pathObj.x, pathObj.y, "x", "y", "red");
+ canvas.genResizer(pathObj, pathObj.controlX, pathObj.controlY, "controlX", "controlY", "blue");
+ activePath = null;
+ }
+ }
+ ];
+ }
+
+ MouseArea {
+ anchors.fill: parent
+ onPressed: {
+ canvas.funcs[root.mode].start(mouse.x, mouse.y);
+ }
+ onPositionChanged: {
+ canvas.funcs[root.mode].move(mouse.x, mouse.y);
+ }
+ onReleased: {
+ canvas.funcs[root.mode].end();
+ }
+ }
+
+ Shape {
+ id: shape
+ anchors.fill: parent
+
+ data: []
+ }
+ }
+}
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