Add an interactive PathItem example
Change-Id: I1ddfba07e80cd0315a2ef85c85a568636f8e808a Reviewed-by: Andy Nichols <andy.nichols@qt.io>
This commit is contained in:
Laszlo Agocs
parent
55970b212f
commit
bd9d5291cc
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@ -57,6 +57,7 @@ Item {
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anchors.fill: parent
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anchors.fill: parent
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Component.onCompleted: {
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Component.onCompleted: {
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addExample("PathItem Gallery", "Simple path rendering examples", Qt.resolvedUrl("pathitemgallery.qml"))
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addExample("PathItem Gallery", "Simple path rendering examples", Qt.resolvedUrl("pathitemgallery.qml"))
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addExample("Interactive PathItem", "Dynamic, interactive path rendering examples", Qt.resolvedUrl("pathiteminteract.qml"))
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addExample("Super- and multisampling", "Improving quality", Qt.resolvedUrl("pathitemsampling.qml"))
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addExample("Super- and multisampling", "Improving quality", Qt.resolvedUrl("pathitemsampling.qml"))
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addExample("Clip My Tiger!", "Clip examples, a.k.a. What Not To Do", Qt.resolvedUrl("pathitemtigers.qml"))
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addExample("Clip My Tiger!", "Clip examples, a.k.a. What Not To Do", Qt.resolvedUrl("pathitemtigers.qml"))
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}
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}
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@ -0,0 +1,284 @@
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/****************************************************************************
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**
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** Copyright (C) 2016 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 2.9 // to get PathItem
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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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Rectangle {
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border.color: "black"
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color: root.mode === 0 ? "red" : "transparent"
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width: 100
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height: 40
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Text {
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anchors.centerIn: parent
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text: "Line"
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}
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MouseArea {
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anchors.fill: parent
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onClicked: root.mode = 0
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}
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}
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Rectangle {
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border.color: "black"
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color: root.mode === 1 ? "red" : "transparent"
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width: 100
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height: 40
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Text {
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anchors.centerIn: parent
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text: "Cubic"
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}
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MouseArea {
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anchors.fill: parent
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onClicked: root.mode = 1
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}
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}
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Rectangle {
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border.color: "black"
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color: root.mode === 2 ? "red" : "transparent"
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width: 100
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height: 40
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Text {
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anchors.centerIn: parent
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text: "Quadratic"
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}
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MouseArea {
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anchors.fill: parent
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onClicked: root.mode = 2
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}
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}
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Slider {
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id: widthSlider
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name: "Width"
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min: 1
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max: 60
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init: 4
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}
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Rectangle {
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border.color: "black"
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color: root.showResizers ? "yellow" : "transparent"
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width: 50
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height: 40
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Text {
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anchors.centerIn: parent
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text: "Manip"
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}
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MouseArea {
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anchors.fill: parent
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onClicked: {
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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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}
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}
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Rectangle {
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border.color: "black"
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color: root.fill ? "yellow" : "transparent"
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width: 50
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height: 40
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Text {
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anchors.centerIn: parent
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text: "Fill"
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}
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MouseArea {
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anchors.fill: parent
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onClicked: root.fill = !root.fill
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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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function genResizer(obj, x, y, xprop, yprop, color) {
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var ma = Qt.createQmlObject('import QtQuick 2.9; Rectangle { id: rr; property variant obj; color: "' + color + '"; width: 20; height: 20;'+
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'MouseArea { anchors.fill: parent; hoverEnabled: true;' +
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'onEntered: color = "yellow"; onExited: color = "' + color + '";' +
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'property bool a: false; onPressed: a = true; onReleased: a = false; ' +
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'onPositionChanged: if (a) { var pt = mapToItem(rr.parent, mouse.x, mouse.y);' +
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'obj.' + xprop + ' = pt.x; obj.' + yprop + ' = pt.y; rr.x = pt.x - 10; rr.y = pt.y - 10; } } }',
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canvas, "resizer_item");
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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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Component.onCompleted: {
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funcs = [
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{ "start": function(x, y) {
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var p = Qt.createQmlObject('import QtQuick 2.9; VisualPath {' +
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'strokeColor: "black"; fillColor: "transparent";'+
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'strokeWidth: ' + widthSlider.value + ';' +
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'Path { startX: ' + x + '; startY: ' + y + ';' +
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'PathLine { x: ' + x + ' + 1; y: ' + y + ' + 1 } } }',
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root, "dynamic_visual_path");
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pathItem.elements.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.path.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.path, activePath.path.startX, activePath.path.startY, "startX", "startY", "red");
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var pathObj = activePath.path.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 = Qt.createQmlObject('import QtQuick 2.9; VisualPath {' +
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'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+
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'strokeWidth: ' + widthSlider.value + ';' +
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'Path { startX: ' + x + '; startY: ' + y + ';' +
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'PathCubic { x: ' + x + ' + 1; y: ' + y + ' + 1;' +
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'control1X: ' + x + ' + 50; control1Y: ' + y + ' + 50; control2X: ' + x + ' + 150; control2Y: ' + y + ' + 50; } } }',
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root, "dynamic_visual_path");
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pathItem.elements.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.path.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.path, activePath.path.startX, activePath.path.startY, "startX", "startY", "red");
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var pathObj = activePath.path.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 = Qt.createQmlObject('import QtQuick 2.9; VisualPath {' +
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'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+
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'strokeWidth: ' + widthSlider.value + ';' +
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'Path { startX: ' + x + '; startY: ' + y + ';' +
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'PathQuad { x: ' + x + ' + 1; y: ' + y + ' + 1;' +
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'controlX: ' + x + ' + 50; controlY: ' + y + ' + 50 } } }',
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root, "dynamic_visual_path");
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pathItem.elements.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.path.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.path, activePath.path.startX, activePath.path.startY, "startX", "startY", "red");
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var pathObj = activePath.path.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: {
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canvas.funcs[root.mode].start(mouse.x, mouse.y);
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}
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onPositionChanged: {
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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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PathItem {
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id: pathItem
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anchors.fill: parent
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elements: []
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}
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}
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}
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@ -5,6 +5,7 @@ SOURCES += main.cpp
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RESOURCES += pathitem.qrc
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RESOURCES += pathitem.qrc
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OTHER_FILES += content/pathitem.qml \
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OTHER_FILES += content/pathitem.qml \
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content/pathitemgallery.qml \
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content/pathitemgallery.qml \
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content/pathiteminteract.qml \
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content/pathitemsampling.qml \
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content/pathitemsampling.qml \
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content/pathitemtigers.qml \
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content/pathitemtigers.qml \
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content/tiger.qml \
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content/tiger.qml \
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@ -4,8 +4,11 @@
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<file alias="SimpleLauncherDelegate.qml">../shared/SimpleLauncherDelegate.qml</file>
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<file alias="SimpleLauncherDelegate.qml">../shared/SimpleLauncherDelegate.qml</file>
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<file alias="images/next.png">../shared/images/next.png</file>
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<file alias="images/next.png">../shared/images/next.png</file>
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<file alias="images/back.png">../shared/images/back.png</file>
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<file alias="images/back.png">../shared/images/back.png</file>
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<file alias="images/slider_handle.png">../shared/images/slider_handle.png</file>
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<file alias="Slider.qml">../shared/Slider.qml</file>
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<file alias="pathitem.qml">content/pathitem.qml</file>
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<file alias="pathitem.qml">content/pathitem.qml</file>
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<file alias="pathitemgallery.qml">content/pathitemgallery.qml</file>
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<file alias="pathitemgallery.qml">content/pathitemgallery.qml</file>
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<file alias="pathiteminteract.qml">content/pathiteminteract.qml</file>
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<file alias="pathitemsampling.qml">content/pathitemsampling.qml</file>
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<file alias="pathitemsampling.qml">content/pathitemsampling.qml</file>
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<file alias="pathitemtigers.qml">content/pathitemtigers.qml</file>
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<file alias="pathitemtigers.qml">content/pathitemtigers.qml</file>
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<file alias="tiger.qml">content/tiger.qml</file>
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<file alias="tiger.qml">content/tiger.qml</file>
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