149 lines
5.4 KiB
C++
149 lines
5.4 KiB
C++
#include "detectresultpage.h"
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#include "ui_detectresultpage.h"
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#include <QDateTime>
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#include <QHeaderView>
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#include <QJsonArray>
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#include <QJsonValue>
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#include <QPixmap>
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#include <QResizeEvent>
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#include <QStringList>
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#include <QTableWidgetItem>
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namespace
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{
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QString statusText(int status)
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{
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switch (status) {
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case 1: return QStringLiteral("新发现");
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case 2: return QStringLiteral("增长中");
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case 3: return QStringLiteral("已结束");
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case 4: return QStringLiteral("无效");
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default: return QStringLiteral("未知");
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}
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}
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QString numberText(const QJsonObject& object, const QString& key)
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{
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return QString::number(object.value(key).toInt());
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}
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}
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DetectResultPage::DetectResultPage(QWidget* parent)
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: QWidget(parent),
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ui(new Ui::DetectResultPage)
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{
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ui->setupUi(this);
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// 居中拉伸各列，Designer 不支持直接设置该模式
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ui->tearTable->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
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// 与接收统计页的实时结果保持一致：明细 3 : 图片 5
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ui->resultSplitter->setStretchFactor(0, 3);
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ui->resultSplitter->setStretchFactor(1, 5);
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}
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DetectResultPage::~DetectResultPage()
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{
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delete ui;
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}
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void DetectResultPage::clearResults()
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{
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m_receivedCount = 0;
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m_image = QImage();
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ui->timeValueLabel->setText(QStringLiteral("-"));
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ui->countValueLabel->setText(QStringLiteral("-"));
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ui->alarmValueLabel->setText(QStringLiteral("-"));
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ui->maxLengthValueLabel->setText(QStringLiteral("-"));
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ui->maxWidthValueLabel->setText(QStringLiteral("-"));
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ui->maxIdValueLabel->setText(QStringLiteral("-"));
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ui->maxValueLabel->setText(QStringLiteral("-"));
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ui->versionValueLabel->setText(QStringLiteral("-"));
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ui->totalValueLabel->setText(QStringLiteral("-"));
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ui->tearTable->setRowCount(0);
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ui->imageLabel->setPixmap(QPixmap());
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ui->imageLabel->setText(QStringLiteral("暂无图片"));
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}
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void DetectResultPage::handleDetectResult(const QJsonObject& result)
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{
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++m_receivedCount;
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const QJsonArray tears = result.value(QStringLiteral("tears")).toArray();
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const int count = result.value(QStringLiteral("count")).toInt(tears.size());
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const qint64 timestamp = result.value(QStringLiteral("timestamp")).toVariant().toLongLong();
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const QString timeText = timestamp > 0
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? QDateTime::fromMSecsSinceEpoch(timestamp).toString(QStringLiteral("yyyy-MM-dd HH:mm:ss.zzz"))
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: QStringLiteral("-");
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ui->timeValueLabel->setText(timeText);
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// count 应与 tears.length 一致，不一致时同时展示实际条数便于排查
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ui->countValueLabel->setText(count == tears.size()
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? QString::number(count)
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: QStringLiteral("%1 (tears=%2)").arg(count).arg(tears.size()));
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ui->alarmValueLabel->setText(result.value(QStringLiteral("alarm")).toBool()
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? QStringLiteral("报警") : QStringLiteral("正常"));
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ui->maxLengthValueLabel->setText(numberText(result, QStringLiteral("maxLength")));
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ui->maxWidthValueLabel->setText(numberText(result, QStringLiteral("maxWidth")));
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ui->maxIdValueLabel->setText(numberText(result, QStringLiteral("maxId")));
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ui->maxValueLabel->setText(numberText(result, QStringLiteral("max")));
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const QString version = result.value(QStringLiteral("protocolVersion")).toString();
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ui->versionValueLabel->setText(version.isEmpty() ? QStringLiteral("-") : version);
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ui->totalValueLabel->setText(QString::number(m_receivedCount));
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ui->tearTable->setRowCount(tears.size());
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for (int row = 0; row < tears.size(); ++row) {
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const QJsonObject tear = tears.at(row).toObject();
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const QStringList values = {
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QString::number(tear.value(QStringLiteral("id")).toInt()),
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statusText(tear.value(QStringLiteral("status")).toInt()),
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QString::number(tear.value(QStringLiteral("length")).toDouble()),
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QString::number(tear.value(QStringLiteral("width")).toDouble()),
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QString::number(tear.value(QStringLiteral("depth")).toDouble())
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};
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for (int column = 0; column < values.size(); ++column) {
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auto* item = new QTableWidgetItem(values.at(column));
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item->setTextAlignment(Qt::AlignCenter);
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ui->tearTable->setItem(row, column, item);
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}
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}
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QByteArray encodedImage = result.value(QStringLiteral("visimg")).toString().toLatin1();
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const int dataSeparator = encodedImage.indexOf(',');
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if (encodedImage.startsWith("data:") && dataSeparator >= 0)
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encodedImage.remove(0, dataSeparator + 1);
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const QByteArray imageData = QByteArray::fromBase64(encodedImage);
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QImage image;
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if (!imageData.isEmpty() && image.loadFromData(imageData)) {
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m_image = image;
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updateImageDisplay();
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} else if (encodedImage.isEmpty()) {
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m_image = QImage();
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ui->imageLabel->setPixmap(QPixmap());
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ui->imageLabel->setText(QStringLiteral("暂无图片"));
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} else {
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emit parseError(QStringLiteral("DETECT_RESULT 结果图片解码失败"));
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}
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}
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void DetectResultPage::resizeEvent(QResizeEvent* event)
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{
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QWidget::resizeEvent(event);
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updateImageDisplay();
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}
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void DetectResultPage::updateImageDisplay()
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{
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if (m_image.isNull())
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return;
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const QSize targetSize = ui->imageLabel->contentsRect().size();
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if (targetSize.isEmpty())
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return;
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ui->imageLabel->setText(QString());
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ui->imageLabel->setPixmap(QPixmap::fromImage(m_image).scaled(
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targetSize, Qt::KeepAspectRatio, Qt::SmoothTransformation));
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}
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