From bd9d5291cc0363ebe2d90067bda767ec0da39e58 Mon Sep 17 00:00:00 2001 From: Laszlo Agocs Date: Fri, 17 Mar 2017 14:22:24 +0100 Subject: Add an interactive PathItem example Change-Id: I1ddfba07e80cd0315a2ef85c85a568636f8e808a Reviewed-by: Andy Nichols --- examples/quick/pathitem/content/pathitem.qml | 1 + .../quick/pathitem/content/pathiteminteract.qml | 284 +++++++++++++++++++++ examples/quick/pathitem/pathitem.pro | 1 + examples/quick/pathitem/pathitem.qrc | 3 + 4 files changed, 289 insertions(+) create mode 100644 examples/quick/pathitem/content/pathiteminteract.qml diff --git a/examples/quick/pathitem/content/pathitem.qml b/examples/quick/pathitem/content/pathitem.qml index b82d51a13c..e1fae2bbe2 100644 --- a/examples/quick/pathitem/content/pathitem.qml +++ b/examples/quick/pathitem/content/pathitem.qml @@ -57,6 +57,7 @@ Item { anchors.fill: parent Component.onCompleted: { addExample("PathItem Gallery", "Simple path rendering examples", Qt.resolvedUrl("pathitemgallery.qml")) + addExample("Interactive PathItem", "Dynamic, interactive path rendering examples", Qt.resolvedUrl("pathiteminteract.qml")) addExample("Super- and multisampling", "Improving quality", Qt.resolvedUrl("pathitemsampling.qml")) addExample("Clip My Tiger!", "Clip examples, a.k.a. What Not To Do", Qt.resolvedUrl("pathitemtigers.qml")) } diff --git a/examples/quick/pathitem/content/pathiteminteract.qml b/examples/quick/pathitem/content/pathiteminteract.qml new file mode 100644 index 0000000000..219683b558 --- /dev/null +++ b/examples/quick/pathitem/content/pathiteminteract.qml @@ -0,0 +1,284 @@ +/**************************************************************************** +** +** 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 // to get PathItem + +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; 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; VisualPath {' + + 'strokeColor: "black"; fillColor: "transparent";'+ + 'strokeWidth: ' + widthSlider.value + ';' + + 'Path { startX: ' + x + '; startY: ' + y + ';' + + 'PathLine { x: ' + x + ' + 1; y: ' + y + ' + 1 } } }', + root, "dynamic_visual_path"); + pathItem.elements.push(p); + activePath = p; + }, "move": function(x, y) { + if (!activePath) + return; + var pathObj = activePath.path.pathElements[0]; + pathObj.x = x; + pathObj.y = y; + }, "end": function() { + canvas.genResizer(activePath.path, activePath.path.startX, activePath.path.startY, "startX", "startY", "red"); + var pathObj = activePath.path.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; VisualPath {' + + 'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+ + 'strokeWidth: ' + widthSlider.value + ';' + + 'Path { 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"); + pathItem.elements.push(p); + activePath = p; + }, "move": function(x, y) { + if (!activePath) + return; + var pathObj = activePath.path.pathElements[0]; + pathObj.x = x; + pathObj.y = y; + }, "end": function() { + canvas.genResizer(activePath.path, activePath.path.startX, activePath.path.startY, "startX", "startY", "red"); + var pathObj = activePath.path.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; VisualPath {' + + 'strokeColor: "black"; fillColor: "' + (root.fill ? 'green' : 'transparent') + '";'+ + 'strokeWidth: ' + widthSlider.value + ';' + + 'Path { startX: ' + x + '; startY: ' + y + ';' + + 'PathQuad { x: ' + x + ' + 1; y: ' + y + ' + 1;' + + 'controlX: ' + x + ' + 50; controlY: ' + y + ' + 50 } } }', + root, "dynamic_visual_path"); + pathItem.elements.push(p); + activePath = p; + }, "move": function(x, y) { + if (!activePath) + return; + var pathObj = activePath.path.pathElements[0]; + pathObj.x = x; + pathObj.y = y; + }, "end": function() { + canvas.genResizer(activePath.path, activePath.path.startX, activePath.path.startY, "startX", "startY", "red"); + var pathObj = activePath.path.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(); + } + } + + PathItem { + id: pathItem + anchors.fill: parent + + elements: [] + } + } +} diff --git a/examples/quick/pathitem/pathitem.pro b/examples/quick/pathitem/pathitem.pro index 333b84176d..b0ff0537cf 100644 --- a/examples/quick/pathitem/pathitem.pro +++ b/examples/quick/pathitem/pathitem.pro @@ -5,6 +5,7 @@ SOURCES += main.cpp RESOURCES += pathitem.qrc OTHER_FILES += content/pathitem.qml \ content/pathitemgallery.qml \ + content/pathiteminteract.qml \ content/pathitemsampling.qml \ content/pathitemtigers.qml \ content/tiger.qml \ diff --git a/examples/quick/pathitem/pathitem.qrc b/examples/quick/pathitem/pathitem.qrc index 83984b5e87..533ba090bc 100644 --- a/examples/quick/pathitem/pathitem.qrc +++ b/examples/quick/pathitem/pathitem.qrc @@ -4,8 +4,11 @@ ../shared/SimpleLauncherDelegate.qml ../shared/images/next.png ../shared/images/back.png + ../shared/images/slider_handle.png + ../shared/Slider.qml content/pathitem.qml content/pathitemgallery.qml + content/pathiteminteract.qml content/pathitemsampling.qml content/pathitemtigers.qml content/tiger.qml -- cgit v1.2.3