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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtQuick
import QtQuick.Controls
import QtQuick.Dialogs
import QtQuick.Layouts
import QtQuick.Pdf
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"
}
FileDialog {
id: fileDialog
title: "Open a PDF file"
nameFilters: [ "PDF files (*.pdf)" ]
onAccepted: doc.source = selectedFile
}
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
}
PdfPageImage {
id: image
document: doc
scale: imageScale
anchors.centerIn: parent
sourceSize.width: doc.pagePointSize(index).width * oversamplingSB.value
height: 100
fillMode: Image.PreserveAspectFit
objectName: "PDF page " + index
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
}
}
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