1 files changed, 101 insertions, 0 deletions
diff --git a/src/quick/doc/snippets/pointerHandlers/pointHandlerCanvasDrawing.qml b/src/quick/doc/snippets/pointerHandlers/pointHandlerCanvasDrawing.qml
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+++ b/src/quick/doc/snippets/pointerHandlers/pointHandlerCanvasDrawing.qml
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2023 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//![0]
+import QtQuick
+
+Canvas {
+    id: canvas
+    width: 800
+    height: 600
+    antialiasing: true
+    renderTarget: Canvas.FramebufferObject
+    property var points: []
+    onPaint: {
+        if (points.length < 2)
+            return
+        var ctx = canvas.getContext('2d');
+        ctx.save()
+        ctx.strokeStyle = stylusHandler.active ? "blue" : "white"
+        ctx.lineCap = "round"
+        ctx.beginPath()
+        ctx.moveTo(points[0].x, points[0].y)
+        for (var i = 1; i < points.length; i++)
+            ctx.lineTo(points[i].x, points[i].y)
+        ctx.lineWidth = 3
+        ctx.stroke()
+        points = points.slice(points.length - 2, 1)
+        ctx.restore()
+    }
+
+    PointHandler {
+        id: stylusHandler
+        acceptedPointerTypes: PointerDevice.Pen
+        onPointChanged: {
+            canvas.points.push(point.position)
+            canvas.requestPaint()
+        }
+    }
+
+    PointHandler {
+        id: eraserHandler
+        acceptedPointerTypes: PointerDevice.Eraser
+        onPointChanged: {
+            canvas.points.push(point.position)
+            canvas.requestPaint()
+        }
+    }
+
+    Rectangle {
+        width: 10; height: 10
+        color: stylusHandler.active ? "green" : eraserHandler.active ? "red" : "beige"
+    }
+}
+//![0]