Remove qtgraphicaleffects sources and add note about its state in Qt 6HEADdev

Add a README.md mentioning the documentation on where the ported
effects can be found, as well as how to check out the Qt5 branch.

Pick-to: 6.2
Fixes: QTBUG-95757
Change-Id: Ib47c7e73f8622c8e287df0f74c6f16a5113b357e
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 0 insertions, 189 deletions

diff --git a/tests/manual/testbed/LevelSlider.qml b/tests/manual/testbed/LevelSlider.qml
deleted file mode 100644
index f13928c..0000000
--- a/tests/manual/testbed/LevelSlider.qml
+++ /dev/null
@@ -1,189 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** 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.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-import QtQuick 2.12
-
-Item {
-    id: slider
-
-    width: parent.width
-    height: 30
-
-    property real midPointValue: 0.5
-    property real blackPointValue: 0.0
-    property real whitePointValue: 1.0
-    property real maximum: 1
-    property real minimum: 0
-    property real gamma: Math.min(10.0, Math.max(0.1, 1/(Math.log(0.5) / Math.log(midPointValue))))
-    property string caption: ""
-    property bool integer: false
-    property bool showMidPoint: true
-
-    Text {
-        id: captionText
-        width: 110
-        anchors.bottom: parent.bottom
-        anchors.bottomMargin: 13
-        horizontalAlignment: Text.AlignRight
-        text: slider.caption + ':'
-        font.family: "Arial"
-        font.pixelSize: 11
-        color: "#B3B3B3"
-    }
-
-    Item {
-        id: track
-        height: parent.height
-        anchors.verticalCenter: parent.verticalCenter
-        anchors.left: parent.left
-        anchors.leftMargin: parent.width / 2 - 30
-        anchors.right: parent.right
-        anchors.rightMargin: 10
-
-        BorderImage {
-            id: trackImage
-            source: "images/slider_track.png"
-            anchors.left: parent.left
-            anchors.right: parent.right
-            border.right: 2
-            width: parent.width
-        }
-
-        BorderImage {
-            id: trackFilled
-            anchors.left: blackpointHandle.x < whitePointHandle.x ? blackpointHandle.right : whitePointHandle.right
-            anchors.right: blackpointHandle.x < whitePointHandle.x ? whitePointHandle.left : blackpointHandle.left
-            anchors.margins: -10
-            source: "images/slider_track_filled.png"
-            border.left: 3
-            border.right: 3
-        }
-
-        Image {
-            id: blackpointHandle;
-            smooth: true
-            source: blackpointMouseArea.pressed ? "images/slider_handle_pressed.png" : "images/slider_handle_black.png"
-            x: trackImage.x - width/2 + 5
-            width: 20
-            onXChanged: {
-                blackPointValue = minimum + maximum * ((x + 5) / (track.width - 10))
-                midpointHandle.x = blackpointHandle.x + ((whitePointHandle.x - blackpointHandle.x) * midPointValue)
-            }
-        }
-
-        Image {
-            id: midpointHandle;
-            smooth: true
-            source: midpointMouseArea.pressed ? "images/slider_handle_pressed.png" : "images/slider_handle_gray.png"
-            x: blackpointHandle.x + ((whitePointHandle.x - blackpointHandle.x) * 0.5)
-            visible: showMidPoint
-            width: 20
-            onXChanged: {
-                if (midpointMouseArea.pressed) {
-                    midPointValue = (x - Math.min(whitePointHandle.x, blackpointHandle.x)) /  Math.abs(whitePointHandle.x - blackpointHandle.x)
-                }
-            }
-        }
-
-        Image {
-            id: whitePointHandle;
-            smooth: true
-            source: whitepointMouseArea.pressed ? "images/slider_handle_pressed.png" : "images/slider_handle_white.png"
-            x: trackImage.x + trackImage.width - width/2 - 5
-            width: 20
-            onXChanged: {
-                whitePointValue = minimum + maximum * ((x + 5) / (track.width - 10))
-                midpointHandle.x = blackpointHandle.x + ((whitePointHandle.x - blackpointHandle.x) * midPointValue)
-            }
-        }
-
-        MouseArea {
-            id: blackpointMouseArea
-            anchors.fill: blackpointHandle
-            anchors.margins: -5
-            drag.target: blackpointHandle
-            drag.axis: Drag.XAxis
-            drag.minimumX: -5
-            drag.maximumX: trackImage.width - blackpointHandle.width + 5
-        }
-
-        MouseArea {
-            id: whitepointMouseArea
-            anchors.fill: whitePointHandle
-            anchors.margins: -5
-            drag.target: whitePointHandle
-            drag.axis: Drag.XAxis
-            drag.minimumX: -5
-            drag.maximumX: trackImage.width - whitePointHandle.width + 5
-        }
-
-        MouseArea {
-            id: midpointMouseArea
-            anchors.fill: midpointHandle
-            anchors.margins: -5
-            drag.target: midpointHandle
-            drag.axis: Drag.XAxis
-            drag.minimumX: Math.min(blackpointHandle.x, whitePointHandle.x)
-            drag.maximumX: Math.max(whitePointHandle.x, blackpointHandle.x)
-        }
-    }
-
-    Text {
-        id: blackPointValueCaption
-        anchors.bottom: track.bottom
-        anchors.left: track.left
-        text: slider.blackPointValue.toFixed(1)
-        font.family: "Arial"
-        font.pixelSize: 11
-        color: "#999999"
-    }
-
-    Text {
-        id: midPointValueCaption
-        anchors.bottom: track.bottom
-        anchors.left: track.left
-        anchors.right: track.right
-        horizontalAlignment: Text.AlignHCenter
-        width: track.width
-        text: slider.gamma.toFixed(1)
-        font.family: "Arial"
-        font.pixelSize: 11
-        color: "#999999"
-        visible: showMidPoint
-    }
-
-    Text {
-        id: whitePointValueCaption
-        anchors.bottom: track.bottom
-        anchors.right: track.right
-        text: slider.whitePointValue.toFixed(1)
-        font.family: "Arial"
-        font.pixelSize: 11
-        color: "#999999"
-    }
-}