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Diffstat (limited to 'tools/qmleasing/easing.qml')
| -rw-r--r-- | tools/qmleasing/easing.qml | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/tools/qmleasing/easing.qml b/tools/qmleasing/easing.qml new file mode 100644 index 0000000000..fe5f8312a4 --- /dev/null +++ b/tools/qmleasing/easing.qml @@ -0,0 +1,219 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 +import EasingPlot 1.0 + +Rectangle { + width: 775; height: 550 + + function precision(n) + { + var str = n.toPrecision(3); + while (str.length > 1 && (str[str.length - 1] == "0" || str[str.length - 1] == ".")) + str = str.substr(0, str.length - 1); + return str; + } + + function updateEasing() { + var ini = Math.min(100, Math.max(0, Number(in_inf.text))); + var outi = Math.min(100, Math.max(0, Number(out_inf.text))); + + var ins = Number(in_slope.text); + var outs = Number(out_slope.text); + + var p1 = [ (ini / 100), (ini / 100) * ins ]; + var p2 = [ 1 - (outi / 100), 1 - (outi / 100) * outs ]; + + text.text = "[ " + precision(p1[0]) + ", " + precision(p1[1]) + ", " + precision(p2[0]) + ", " + precision(p2[1]) + ", 1, 1 ]"; + } + + Rectangle { + id: border + width: 500; height: 500 + x: 25; y: 25 + border.color: "lightsteelblue" + border.width: 3 + radius: 5 + color: "transparent" + + EasingPlot { + id: plot + + anchors.centerIn: parent + width: parent.width - 10 + height: parent.height - 10 + + easing.type: "Bezier" + easing.bezierCurve: eval(text.text) + } + + } + + Text { + text: "<u>After Effects curve</u>" + anchors.horizontalCenter: text.horizontalCenter + anchors.bottom: column.top + anchors.bottomMargin: 14 + } + + Column { + id: column + + y: 70 + anchors.right: parent.right + anchors.rightMargin: 25 + spacing: 5 + TextField { + id: in_inf + focus: true + name: "Input influence:" + text: "33" + anchors.right: parent.right + KeyNavigation.tab: in_slope + KeyNavigation.backtab: text + onTextChanged: updateEasing(); + } + TextField { + id: in_slope + name: "Input slope:" + text: "0" + anchors.right: parent.right + KeyNavigation.tab: out_inf + KeyNavigation.backtab: in_inf + onTextChanged: updateEasing(); + } + TextField { + id: out_inf + name: "Output influence:" + text: "33" + anchors.right: parent.right + KeyNavigation.tab: out_slope + KeyNavigation.backtab: in_slope + onTextChanged: updateEasing(); + } + TextField { + id: out_slope + name: "Output slope:" + text: "0" + anchors.right: parent.right + KeyNavigation.tab: text + KeyNavigation.backtab: out_info + onTextChanged: updateEasing(); + } + } + + Text { + text: "<u>QML Bezier curve</u>" + anchors.horizontalCenter: text.horizontalCenter + anchors.bottom: text.top + anchors.bottomMargin: 10 + } + + TextEdit { + id: text + x: 200 + width: 200 + height: 200 + + Rectangle { + x: -2; y: -2 + width: parent.width + 4 + height: parent.height + 4 + color: "transparent" + border.color: text.activeFocus?"green":"lightgreen" + + border.width: 3 + radius: 5 + } + + wrapMode: "WordWrap" + + anchors.top: column.bottom + anchors.topMargin: 50 + anchors.right: column.right + KeyNavigation.tab: in_inf + KeyNavigation.backtab: out_slope + } + + + Item { + anchors.left: text.left + anchors.top: text.bottom + anchors.topMargin: 35 + width: text.width + height: rect.height + + Rectangle { + color: "gray" + width: 50; height: 50 + id: rect + + NumberAnimation on x { + id: animation + running: false + easing: plot.easing + duration: 1000 + } + + radius: 5 + } + + MouseArea { + anchors.fill: parent + onClicked: { + if (rect.x < 5) { + animation.to = text.width - rect.width; + } else { + animation.to = 0; + } + animation.start(); + } + } + + Text { + anchors.centerIn: parent + text: "Click to Try" + } + } + + Component.onCompleted: updateEasing(); +} |