432 lines
18 KiB
QML
432 lines
18 KiB
QML
// ===========================================
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// =============== 文档预览面板 ===============
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// ===========================================
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import QtQuick 2.15
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import QtQuick.Controls 2.15
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import DocPreviewConnector 1.0
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import "../../Widgets"
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import "../../Widgets/IgnoreArea"
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ModalLayer {
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id: pRoot
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property var updateInfo // 更新信息函数
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property var configsComp: undefined // 设置组件
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property string previewPath: ""
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property string password: ""
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property bool isEncrypted: false // 已加密
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property bool isAuthenticate: false // 密码正确
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property int previewPage: -1
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property int pageCount: -1
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property int rangeStart: -1
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property int rangeEnd: -1
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property int ignoreRangeStart: 1
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property int ignoreRangeEnd: -1
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property bool previewOCR: false // 是否预览OCR
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property bool ocrRunning: false // 是否预览OCR正在执行
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// 展示文档
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// info: path, page_count, range_start, range_end, is_encrypted, password, is_authenticate
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function show(info) {
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imgViewer.clear()
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visible = true
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previewPath = info.path
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pageCount = info.page_count
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previewPage = info.range_start
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rangeStart = info.range_start
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rangeEnd = info.range_end
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password = info.password
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isEncrypted = info.is_encrypted
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isAuthenticate = info.is_authenticate
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// 读取忽略区域设置
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let initArea = configsComp.getValue("tbpu.ignoreArea")
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if(initArea && initArea.length>0) {
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// 读取设置，反格式化
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let ig1 = []
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for(let i=0,l=initArea.length; i<l; i++) {
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const b = initArea[i]
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ig1.push({
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"x": b[0][0],
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"y": b[0][1],
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"width": b[2][0] - b[0][0],
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"height": b[2][1] - b[0][1],
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})
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}
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imgViewer.ig1Boxes = ig1
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}
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ignoreRangeStart = configsComp.getValue("tbpu.ignoreRangeStart")
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ignoreRangeEnd = configsComp.getValue("tbpu.ignoreRangeEnd")
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toPreview()
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}
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// 返回上层，更新信息
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onVisibleChanged: {
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if(visible) return
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// 负数转倒数
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if(rangeStart < 0) rangeStart += pageCount + 1
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if(rangeEnd < 0) rangeEnd += pageCount + 1
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// 范围检查
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if(rangeStart < 1) rangeStart = 1
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if(rangeStart > pageCount) rangeStart = pageCount
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if(rangeEnd < rangeStart) rangeEnd = rangeStart
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if(rangeEnd > pageCount) rangeEnd = pageCount
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let pages_ = `${pageCount}` // 如果范围为整本，只显示总页数。否则显示 起始-结束
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if(rangeEnd - rangeStart + 1 < pageCount)
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pages_ = `${rangeStart}-${rangeEnd}`
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if(updateInfo) {
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updateInfo(previewPath, {
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pages: pages_,
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state: isAuthenticate ? "" : qsTr("加密"),
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range_start: rangeStart,
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range_end: rangeEnd,
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password: password,
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is_authenticate: isAuthenticate,
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})
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}
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// 更新忽略区域
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if(imgViewer.ig1Boxes.length > 0) {
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// 格式化，存入设置
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let ig1 = []
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for(let i=0,l=imgViewer.ig1Boxes.length; i<l; i++) {
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const b = imgViewer.ig1Boxes[i]
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const x = Math.round(b.x)
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const y = Math.round(b.y)
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const w = Math.round(b.width)
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const h = Math.round(b.height)
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ig1.push([[x, y], [x+w, y], [x+w, y+h], [x, y+h]])
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}
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configsComp.setValue("tbpu.ignoreArea", ig1)
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}
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else {
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configsComp.setValue("tbpu.ignoreArea", undefined)
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}
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configsComp.setValue("tbpu.ignoreRangeStart", ignoreRangeStart)
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configsComp.setValue("tbpu.ignoreRangeEnd", ignoreRangeEnd)
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imgViewer.clear()
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prevConn.clear() // 清除文档缓存
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previewPath = ""
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}
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// 翻页。to直接翻页，flag加减页。
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function changePage(to, flag=0) {
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if (typeof to === "string") {
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to = parseInt(to, 10)
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}
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if(flag != 0) {
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to = previewPage + flag
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}
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if(previewPage != to && to > 0 && to <= pageCount) {
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previewPage = to
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toPreview()
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}
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}
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Keys.onLeftPressed: changePage(-1, -1) // 上一页
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Keys.onUpPressed: changePage(-1, -1)
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Keys.onRightPressed: changePage(-1, 1) // 下一页
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Keys.onDownPressed: changePage(-1, 1)
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// 预览一页文档
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function toPreview() {
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if(!previewPath) return
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if(previewPage < 1) previewPage = 1
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if(previewPage > pageCount) previewPage = pageCount
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prevConn.preview(previewPath, previewPage, password)
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if(previewOCR) { // 预览OCR
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ocrRunning = true
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const argd = configsComp.getValueDict()
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argd["tbpu.parser"] = "None" // 去除排版解析
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prevConn.ocr(previewPath, previewPage, password, argd)
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}
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}
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// 预览连接器
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DocPreviewConnector {
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id: prevConn
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// 图片渲染的回调
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onPreviewImg: function(imgID) {
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const title = qsTr("打开文档失败")
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if(imgID === "[Warning] is_encrypted") {
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qmlapp.popup.simple(title, qsTr("请填写正确的密码"))
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isAuthenticate = false
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}
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else if(imgID.startsWith("[Error]")) {
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qmlapp.popup.message(title, imgID, "error")
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}
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else {
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imgViewer.showImgID(imgID)
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if(!isAuthenticate) {
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qmlapp.popup.simple(qsTr("密码正确"), password)
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isAuthenticate = true
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}
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}
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}
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// ocr预览的回调
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onPreviewOcr: function(info) {
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let path = info[0], page = info[1], res = info[2]
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if(res.code!=100&&res.code!=101) { // 遇到异常
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qmlapp.popup.message(qsTr("文档预览异常"), res.data, "error")
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return
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}
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if(path != previewPath || page != previewPage) {
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console.warn("文档OCR预览回调不匹配")
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return
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}
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ocrRunning = false
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imgViewer.showTextBoxes(res)
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}
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}
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property string ignoreTips: qsTr("忽略区域说明：\n右键拖拽，绘制矩形区域，包含在区域内的文字框将被忽略。可用于排除水印、页眉页脚。\n范围允许填写负数，表示倒数第x页。如-1表示最后一页，-2表示倒数第2页。\n忽略区域的设置对所有文档生效。")
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contentItem: DoubleRowLayout {
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anchors.fill: parent
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initSplitterX: size_.line * 13
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// 左：控制面板
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leftItem: Panel {
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anchors.fill: parent
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ScrollView {
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anchors.fill: parent
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contentWidth: width // 内容宽度
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clip: true // 溢出隐藏
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Column {
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anchors.left: parent.left
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anchors.right: parent.right
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anchors.margins: size_.spacing
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spacing: size_.smallSpacing
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// ===== 文件名 =====
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Text_ {
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text: previewPath
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anchors.left: parent.left
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anchors.right: parent.right
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wrapMode: TextEdit.WrapAnywhere // 任意换行
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maximumLineCount: 4 // 限制行数
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color: theme.subTextColor
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font.pixelSize: size_.smallText
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}
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// ===== 密码 =====
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Row {
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visible: isEncrypted && !isAuthenticate // 已加密，未填密码，才显示
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spacing: size_.spacing
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height: size_.line + size_.spacing * 2
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Text_ {
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color: theme.noColor
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anchors.verticalCenter: parent.verticalCenter
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text: qsTr("密码：")
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}
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TextField_ {
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width: size_.line * 6
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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text: password
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onTextChanged: password = text
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}
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IconButton {
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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width: height
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icon_: "yes"
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onClicked: toPreview()
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}
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}
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// ===== 控制项 =====
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Column {
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visible: !isEncrypted || isAuthenticate
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spacing: size_.smallSpacing
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anchors.left: parent.left
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anchors.right: parent.right
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// ===== 页数 =====
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Rectangle {
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anchors.left: parent.left
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anchors.right: parent.right
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height: 1
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color: theme.coverColor4
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}
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Row {
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spacing: size_.line
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height: size_.line
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Text_ {
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text: qsTr("预览页面")
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anchors.verticalCenter: parent.verticalCenter
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}
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CheckButton {
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anchors.verticalCenter: parent.verticalCenter
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height: size_.line
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enabledAnime: true
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checked: previewOCR
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textColor_: theme.subTextColor
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onCheckedChanged: {
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if(!previewOCR&&checked) {
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previewOCR = true
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toPreview()
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}
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else {
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previewOCR = ocrRunning = false
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}
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}
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text_: "OCR"
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toolTip: qsTr("预览PDF时，是否预览OCR结果")
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}
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}
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Row {
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spacing: size_.spacing
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height: size_.line + size_.smallSpacing * 2
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Button_ {
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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text_: "<"
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onClicked: changePage(0, -1)
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}
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Button_ {
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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text_: ">"
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onClicked: changePage(0, 1)
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}
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TextField_ {
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width: size_.line * 3
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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validator: IntValidator{bottom: 1; top: pageCount;}
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text: previewPage
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onTextChanged: changePage(text)
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}
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Text_ {
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anchors.verticalCenter: parent.verticalCenter
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text: "/ "+pageCount
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}
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}
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// ===== OCR范围 =====
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Rectangle {
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anchors.left: parent.left
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anchors.right: parent.right
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height: 1
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color: theme.coverColor4
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}
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Text_ {
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text: qsTr("OCR页数")
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}
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Row {
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height: size_.line + size_.smallSpacing * 2
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spacing: size_.spacing
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Text_ {
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font.pixelSize: size_.smallText
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anchors.verticalCenter: parent.verticalCenter
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text: qsTr("范围")
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}
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TextField_ {
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width: size_.line * 3
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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validator: IntValidator{bottom: -pageCount; top: pageCount;}
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text: rangeStart
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onTextChanged: {
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if(text !== "" && text !== "-") rangeStart = text
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}
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}
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Text_ {
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anchors.verticalCenter: parent.verticalCenter
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text: "-"
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}
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TextField_ {
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width: size_.line * 3
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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validator: IntValidator{bottom: -pageCount; top: pageCount;}
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text: rangeEnd
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onTextChanged: {
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if(text !== "" && text !== "-") rangeEnd = text
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}
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}
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}
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// ===== 忽略区域 =====
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Rectangle {
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anchors.left: parent.left
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anchors.right: parent.right
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height: 1
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color: theme.coverColor4
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}
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Text_ {
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text: qsTr("忽略区域页数（全局）")
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}
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Row {
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height: size_.line + size_.smallSpacing * 2
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spacing: size_.spacing
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Text_ {
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font.pixelSize: size_.smallText
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anchors.verticalCenter: parent.verticalCenter
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text: qsTr("范围")
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}
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TextField_ {
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width: size_.line * 3
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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validator: IntValidator {}
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text: ignoreRangeStart
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onTextChanged: {
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if(text !== "" && text !== "-") ignoreRangeStart = text
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}
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}
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Text_ {
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anchors.verticalCenter: parent.verticalCenter
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text: "-"
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}
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TextField_ {
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width: size_.line * 3
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anchors.top: parent.top
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anchors.bottom: parent.bottom
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validator: IntValidator {}
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text: ignoreRangeEnd
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onTextChanged: {
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if(text !== "" && text !== "-") ignoreRangeEnd = text
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}
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}
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}
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Row {
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spacing: size_.spacing
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height: size_.smallLine + size_.smallSpacing * 2
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Button_ {
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anchors.verticalCenter: parent.verticalCenter
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height: size_.smallLine + size_.smallSpacing
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bgColor_: theme.coverColor1
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text_: qsTr("撤销")
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onClicked: imgViewer.revokeIg()
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textSize: size_.smallText
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}
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Button_ {
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anchors.verticalCenter: parent.verticalCenter
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height: size_.smallLine + size_.smallSpacing
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bgColor_: theme.coverColor1
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textColor_: theme.noColor
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text_: qsTr("清空")
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onClicked: imgViewer.clearIg()
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textSize: size_.smallText
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}
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}
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Text_ {
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text: ignoreTips
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color: theme.subTextColor
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font.pixelSize: size_.smallText
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anchors.left: parent.left
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anchors.right: parent.right
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wrapMode: TextEdit.Wrap
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}
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}
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}
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}
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}
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// 右：图片查看面板
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rightItem: ImageWithIgnore {
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id: imgViewer
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anchors.fill: parent
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// 加载中 动态图标
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Loading {
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visible: ocrRunning
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anchors.centerIn: parent
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}
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}
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}
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}
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