Add QtQuick.Pdf module with QQuickPdfDocument; manual tests

QQuickPdfDocument is a wrapper for QPdfDocument providing appropriate
QML API.

Task-number: QTBUG-77506
Change-Id: Ifa2ef50d3d31179f1955c2f673495e727b962bd1
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

4 files changed, 429 insertions, 1 deletions

diff --git a/tests/manual/quick/pdf/listview.qml b/tests/manual/quick/pdf/listview.qml
new file mode 100644
index 000000000..361ae7d89
--- /dev/null
+++ b/tests/manual/quick/pdf/listview.qml
@@ -0,0 +1,95 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 2.14
+import QtQuick.Window 2.14
+import QtQuick.Pdf 5.15
+
+Window {
+    width: 600
+    height: 440
+    color: "lightgrey"
+    title: doc.source
+    visible: true
+
+    PdfDocument {
+        id: doc
+        source: "test.pdf"
+    }
+
+    ListView {
+        id: listView
+        anchors.fill: parent
+        model: doc.pageCount
+        spacing: 6
+        delegate: Column {
+            Rectangle {
+                id: paper
+                width: image.width
+                height: image.height
+                Image {
+                    id: image
+                    objectName: "PDF page " + index
+                    source: doc.source
+                    currentFrame: index
+                    asynchronous: true
+                }
+            }
+            Text {
+                text: "Page " + (image.currentFrame + 1)
+            }
+        }
+    }
+
+    Text {
+        anchors.bottom: parent.bottom
+        anchors.right: parent.right
+        text: "page " + Math.max(1, (listView.indexAt(0, listView.contentY) + 1)) + " of " + doc.pageCount
+    }
+}
diff --git a/tests/manual/quick/pdf/pessimizedListView.qml b/tests/manual/quick/pdf/pessimizedListView.qml
new file mode 100644
index 000000000..4ae0edabe
--- /dev/null
+++ b/tests/manual/quick/pdf/pessimizedListView.qml
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 2.14
+import QtQuick.Controls 2.14
+import QtQuick.Layouts 1.14
+import QtQuick.Pdf 5.15
+import Qt.labs.platform 1.1 as P
+
+ApplicationWindow {
+    width: 900
+    height: 1000
+    color: "lightgrey"
+    title: doc.source + " scale " + imageScale.toFixed(2)
+    visible: true
+    property real imageScale: 1
+
+    header: ToolBar {
+        RowLayout {
+            anchors.fill: parent
+            anchors.rightMargin: 6
+            ToolButton {
+                action: Action {
+                    text: "🗁"
+                    shortcut: StandardKey.Open
+                    onTriggered: fileDialog.open()
+                }
+            }
+            ToolButton {
+                action: Action {
+                    text: "⊕"
+                    shortcut: StandardKey.ZoomIn
+                    onTriggered: imageScale *= Math.sqrt(2)
+                }
+            }
+            ToolButton {
+                action: Action {
+                    text: "⊖"
+                    shortcut: StandardKey.ZoomOut
+                    onTriggered: imageScale /= Math.sqrt(2)
+                }
+            }
+            ToolButton {
+                action: Action {
+                    text: "1x"
+                    shortcut: "Ctrl+0"
+                    onTriggered: imageScale = 1
+                }
+            }
+
+            Label {
+                text: "Pixels/point:"
+            }
+            SpinBox {
+                id: oversamplingSB
+                from: 1; to: 8; value: 4
+            }
+
+            Label {
+                text: "cacheBuffer:"
+            }
+            SpinBox {
+                id: cacheBufferSB
+                from: 0; to: 1000; stepSize: 50; value: 100
+            }
+
+            CheckBox {
+                id: asyncCB
+                text: "async"
+            }
+
+            CheckBox {
+                id: cacheCB
+                text: "cache"
+            }
+        }
+    }
+
+    PdfDocument {
+        id: doc
+        source: "test.pdf"
+    }
+
+    P.FileDialog {
+        id: fileDialog
+        title: "Open a PDF file"
+        nameFilters: [ "PDF files (*.pdf)" ]
+        onAccepted: doc.source = file
+    }
+
+    ListView {
+        id: listView
+        anchors.fill: parent
+        anchors.margins: 10
+        model: doc.pageCount
+        spacing: 6
+        cacheBuffer: cacheBufferSB.value
+        ScrollBar.vertical: ScrollBar { }
+        delegate: Rectangle {
+            id: paper
+            width: Math.max(60, image.width) * imageScale
+            height: 100 * imageScale
+            BusyIndicator {
+                anchors.centerIn: parent
+                running: image.status === Image.Loading
+            }
+            Image {
+                id: image
+                scale: imageScale
+                anchors.centerIn: parent
+                sourceSize.width: doc.pagePointSize(index).width * oversamplingSB.value
+                height: 100
+                fillMode: Image.PreserveAspectFit
+                objectName: "PDF page " + index
+                source: doc.source
+                currentFrame: index
+                asynchronous: asyncCB.checked
+                cache: cacheCB.checked
+            }
+        }
+    }
+
+    Text {
+        anchors.bottom: parent.bottom
+        anchors.right: parent.right
+        text: "page " + Math.max(1, (listView.indexAt(0, listView.contentY) + 1)) + " of " + doc.pageCount
+    }
+}
diff --git a/tests/manual/quick/pdf/simplest.qml b/tests/manual/quick/pdf/simplest.qml
index 37d388d0a..0571493af 100644
--- a/tests/manual/quick/pdf/simplest.qml
+++ b/tests/manual/quick/pdf/simplest.qml
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2019 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the examples of the Qt Toolkit.
diff --git a/tests/manual/quick/pdf/withdoc.qml b/tests/manual/quick/pdf/withdoc.qml
new file mode 100644
index 000000000..0fed5b16e
--- /dev/null
+++ b/tests/manual/quick/pdf/withdoc.qml
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples 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 2.14
+import QtQuick.Controls 2.14
+import Qt.labs.platform 1.1 as Platform
+import QtQuick.Pdf 5.15
+import QtQuick.Window 2.14
+
+Window {
+    width: 800
+    height: 940
+    color: "lightgrey"
+    title: doc.source
+    visible: true
+
+    PdfDocument {
+        id: doc
+        source: "test.pdf"
+    }
+
+    Platform.FileDialog {
+        id: fileDialog
+        title: "Open a PDF file"
+        nameFilters: [ "PDF files (*.pdf)" ]
+        onAccepted: doc.source = file
+    }
+
+    Column {
+        id: column
+        anchors.fill: parent
+        anchors.margins: 6
+        spacing: 6
+        Text { text: "title: " + doc.title; visible: doc.title !== "" }
+        Text { text: "author: " + doc.author; visible: doc.author !== "" }
+        Text { text: "subject: " + doc.subject; visible: doc.subject !== "" }
+        Text { text: "keywords: " + doc.keywords; visible: doc.keywords !== "" }
+        Text { text: "producer: " + doc.producer; visible: doc.producer !== "" }
+        Text { text: "creator: " + doc.creator; visible: doc.creator !== "" }
+        Text { text: "creationDate: " + doc.creationDate; visible: doc.creationDate !== "" }
+        Text { text: "modificationDate: " + doc.modificationDate; visible: doc.modificationDate !== "" }
+        Text { text: "implicit size: " + image.implicitWidth + "x" + image.implicitHeight }
+        Text { text: "source size: " + image.sourceSize.width + "x" + image.sourceSize.height }
+        Text { text: "painted size: " + image.paintedWidth + "x" + image.paintedHeight }
+
+        Flickable {
+            width: column.width
+            height: width
+            contentWidth: paper.width
+            contentHeight: paper.height
+            z: -1
+            Rectangle {
+                id: paper
+                width: image.width
+                height: image.height
+                Image {
+                    id: image
+                    source: doc.status === PdfDocument.Ready ? doc.source : ""
+
+                    property real zoomFactor: Math.sqrt(2)
+
+                    DragHandler {
+                        id: dragHandler
+                        target: null
+                    }
+
+                    Shortcut {
+                        sequence: StandardKey.MoveToNextPage
+                        enabled: image.currentFrame < image.frameCount - 1
+                        onActivated: image.currentFrame++
+                    }
+                    Shortcut {
+                        sequence: StandardKey.MoveToPreviousPage
+                        enabled: image.currentFrame > 0
+                        onActivated: image.currentFrame--
+                    }
+                    Shortcut {
+                        sequence: StandardKey.ZoomIn
+                        enabled: image.sourceSize.width < 5000
+                        onActivated: {
+                            image.sourceSize.width = image.implicitWidth * image.zoomFactor
+                            image.sourceSize.height = image.implicitHeight * image.zoomFactor
+                        }
+                    }
+                    Shortcut {
+                        sequence: StandardKey.ZoomOut
+                        enabled: image.width > 50
+                        onActivated: {
+                            image.sourceSize.width = image.implicitWidth / image.zoomFactor
+                            image.sourceSize.height = image.implicitHeight / image.zoomFactor
+                        }
+                    }
+                    Shortcut {
+                        sequence: "Ctrl+0"
+                        onActivated: image.sourceSize = undefined
+                    }
+                    Shortcut {
+                        sequence: StandardKey.Open
+                        onActivated: fileDialog.open()
+                    }
+                    Shortcut {
+                        sequence: StandardKey.Quit
+                        onActivated: Qt.quit()
+                    }
+                }
+            }
+        }
+    }
+    Text {
+        anchors.bottom: parent.bottom
+        text: "page " + (image.currentFrame + 1) + " of " + doc.pageCount
+    }
+}