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
|
|
@ -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"))
|
||||
}
|
||||
|
|
|
|||
|
|
@ -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: []
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -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 \
|
||||
|
|
|
|||
|
|
@ -4,8 +4,11 @@
|
|||
<file alias="SimpleLauncherDelegate.qml">../shared/SimpleLauncherDelegate.qml</file>
|
||||
<file alias="images/next.png">../shared/images/next.png</file>
|
||||
<file alias="images/back.png">../shared/images/back.png</file>
|
||||
<file alias="images/slider_handle.png">../shared/images/slider_handle.png</file>
|
||||
<file alias="Slider.qml">../shared/Slider.qml</file>
|
||||
<file alias="pathitem.qml">content/pathitem.qml</file>
|
||||
<file alias="pathitemgallery.qml">content/pathitemgallery.qml</file>
|
||||
<file alias="pathiteminteract.qml">content/pathiteminteract.qml</file>
|
||||
<file alias="pathitemsampling.qml">content/pathitemsampling.qml</file>
|
||||
<file alias="pathitemtigers.qml">content/pathitemtigers.qml</file>
|
||||
<file alias="tiger.qml">content/tiger.qml</file>
|
||||
|
|
|
|||
Loading…
Reference in New Issue