277 lines
8.7 KiB
C++
277 lines
8.7 KiB
C++
#include "ManualLabelToolWidget.h"
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#include <qdockwidget.h>
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#include <qgslayertreeview.h>
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#include <qgslayertreemodel.h>
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#include <qgslayertreemapcanvasbridge.h>
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#include <qgslayertreeview.h>
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#include <qgslayertreemapcanvasbridge.h>
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#include <qlabel.h>
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#include <qstatusbar.h>
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#include <QMenuBar>
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#include <QToolBar>
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#include <qgsmapcanvas.h>
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#include <qgsrasterlayer.h>
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#include <qgsmaptoolpan.h>
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#include <qgsunittypes.h>
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#include <QString>
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#include <qgis.h>
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#include <QgsMapSettings.h>
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#include <QFile>
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#include <QFileDialog>
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#include <QDialog>
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#include <QString>
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#include <qfileinfo.h>
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#include <qdir.h>
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#include <qgsmaplayer.h>
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#include <qgsproject.h>
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//QgsUnitTypes
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// 定义访问参数
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#define RASTERFILEFILTER u8"所有文件 (*.*);;TIF (*.tif);;TIFF (*.tiff);;bin (*.bin);;dat (*.dat);;"
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ManualLabelToolWidget::ManualLabelToolWidget(QWidget *parent)
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: QMainWindow(parent)
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{
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this->init_UI();
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}
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ManualLabelToolWidget::~ManualLabelToolWidget()
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{
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}
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void ManualLabelToolWidget::init_UI()
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{
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this->setWindowTitle(tr(u8"AI标注软件"));
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// 初始大小
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{
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this->resize(1920,1080);
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}
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//地图控制
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{
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// 1. inti map canvas
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this->map_canvas = new QgsMapCanvas();
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this->setCentralWidget((this->map_canvas));
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// 2. map tool pan
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this->map_tool_pan = new QgsMapToolPan(this->map_canvas);
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this->map_canvas->setMapTool(this->map_tool_pan);
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// 3. map layer manager
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this->map_layerTreeView = new QgsLayerTreeView(this);
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// 4. create map model
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this->map_layerModel = new QgsLayerTreeModel(QgsProject::instance()->layerTreeRoot(), this);
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this->map_layerModel->setFlag(QgsLayerTreeModel::AllowNodeRename); // 允许重命名
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this->map_layerModel->setFlag(QgsLayerTreeModel::AllowNodeReorder); // 允许调整顺序
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this->map_layerModel->setFlag(QgsLayerTreeModel::AllowNodeChangeVisibility); // 允许改变可见性
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this->map_layerModel->setFlag(QgsLayerTreeModel::ShowLegendAsTree); // 以树状图显示图例
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this->map_layerModel->setAutoCollapseLegendNodes(10); // 自动折叠过多图例项
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this->map_layerTreeView->setModel(this->map_layerModel);
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// create bridge between mapcontrol and layer
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this->map_layer_Bridge = new QgsLayerTreeMapCanvasBridge(QgsProject::instance()->layerTreeRoot(), this->map_canvas, this);
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// layer 布局
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// 1. 创建一个QDockWidget（停靠窗口）来承载图层树视图
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this->layerTreeDock = new QDockWidget(tr(u8"图层管理器"), this);
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this->layerTreeDock->setWidget(this->map_layerTreeView);
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// 2. 将已有的图层树视图(m_layerTreeView)设置为这个停靠窗口的中心部件
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layerTreeDock->setWidget(this->map_layerTreeView);
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// 3. (可选但推荐)设置停靠窗口允许停靠的区域
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layerTreeDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
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// 5. 将停靠窗口添加到主窗口的左侧区域
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this->addDockWidget(Qt::LeftDockWidgetArea, this->layerTreeDock);
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}
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// 状态工具栏
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{
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appStatusBar = this->statusBar(); // 获取或创建状态栏
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scaleLabel = new QLabel(tr(u8"比例尺："));
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CoordinaryTextLabel = new QLabel(tr(u8"坐标系："));
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PointXYLabel = new QLabel(tr(u8"坐标："));
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UnitLabel = new QLabel(tr(u8"单位："));
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appStatusBar->addPermanentWidget(PointXYLabel); //
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appStatusBar->addPermanentWidget(scaleLabel); //
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appStatusBar->addPermanentWidget(UnitLabel); //
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appStatusBar->addPermanentWidget(CoordinaryTextLabel); //
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// 连接比例尺变化信号
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connect(map_canvas, SIGNAL(scaleChanged(double)) , this, SLOT(updateScaleLabel(double)));
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connect(map_canvas, SIGNAL(xyCoordinates(const QgsPointXY&)), this, SLOT(updateCoordinateLabel(const QgsPointXY&)));
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connect(map_canvas, SIGNAL(extentsChanged()), this, SLOT(onMapExtentsChanged()));
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}
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// 菜单栏
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{
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menubar = this->menuBar();
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// 在菜单栏上添加"文件"和"编辑"菜单
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fileMenu = menubar->addMenu(tr(u8"文件"));
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// 向"文件"菜单中添加菜单项（QAction）
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newAction = fileMenu->addAction(tr(u8"新建"));
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fileMenu->addSeparator(); // 添加分割线[1,5](@ref)
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openMenu = fileMenu->addMenu(tr(u8"打开"));
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openRasterFolderAction = openMenu->addAction(tr(u8"打开影像文件夹"));
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openRasterAction = openMenu->addAction(tr(u8"打开影像"));
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openSLCRasterAction = openMenu->addAction(tr(u8"SLC影像"));
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editMenu = menubar->addMenu(tr(u8"编辑"));
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// 事件绑定
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QObject::connect(this->openRasterAction, SIGNAL(triggered()), this, SLOT(openRasterLayerTriggered()));
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}
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// AI标注工具栏
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{
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AiLabelToolBar = new QToolBar(tr(u8"AI标注工具栏"), this);
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this->addToolBar(Qt::LeftToolBarArea, AiLabelToolBar);
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}
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}
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void ManualLabelToolWidget::open()
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{
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}
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void ManualLabelToolWidget::openRasterLayerTriggered()
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{
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if (lastFileDialogPath.isEmpty()) {
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lastFileDialogPath = ".";
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}
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// 打开影像
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// 2. 选择多个文件
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QString rasterPath = QFileDialog::getOpenFileName(
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this,
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tr(u8"请选择影像文件"),
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lastFileDialogPath,
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tr(RASTERFILEFILTER)
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);
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lastFileDialogPath = rasterPath;
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// 读取数据
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this->openRaster(rasterPath);
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}
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void ManualLabelToolWidget::openRaster(QString& filePath)
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{
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QString filename = QFileInfo(filePath).fileName();
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QgsRasterLayer* rasterLayer = new QgsRasterLayer(filePath, filename);
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if (!rasterLayer->isValid()) {
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qDebug() << "Failed to load raster layer!";
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// 错误处理
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return;
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}
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QgsProject::instance()->addMapLayer(rasterLayer);
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}
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void ManualLabelToolWidget::updateCoordinateLabel(const QgsPointXY& point)
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{
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QString coordText = QString(tr(u8"坐标：X:%1 Y:%2")).arg(QString::number(point.x(), 'f', 2)).arg(QString::number(point.y(), 'f', 2));
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PointXYLabel->setText(coordText);
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}
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void ManualLabelToolWidget::onMapExtentsChanged()
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{
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QgsRectangle currentExtent = map_canvas->extent();
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//// 现在你可以使用这个范围信息了，例如：
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//// 1. 打印范围坐标
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//qDebug() << "新范围 - Xmin:" << currentExtent.xMinimum()
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// << "Ymin:" << currentExtent.yMinimum()
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// << "Xmax:" << currentExtent.xMaximum()
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// << "Ymax:" << currentExtent.yMaximum();
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}
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void ManualLabelToolWidget::onLayersChanged(QgsMapLayer* layer)
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{
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// WGS坐标系
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QgsCoordinateReferenceSystem currentCrs = map_canvas->mapSettings().destinationCrs();
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// 获取坐标系的描述信息和认证标识符，例如 "WGS 84 / EPSG:4326"
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QString description = currentCrs.description();
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QString authid = currentCrs.authid();
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// 获取当前项目中所有图层
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QList<QgsMapLayer*> layers = QgsProject::instance()->mapLayers().values();
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int layerCount = layers.size();
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// 判断当前是否仅有一层
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if (layerCount == 0&&description == "") {
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QgsMapLayer* theOnlyLayer = layers.first();
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// 检查图层是否有效且拥有定义的坐标系
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if (theOnlyLayer && theOnlyLayer->isValid() && theOnlyLayer->crs().isValid()) {
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// 将地图画布的目标坐标系设置为与图层一致
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map_canvas->mapSettings().setDestinationCrs(theOnlyLayer->crs());
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// 可选：将地图范围缩放至该图层的全范围，提供更好的初始视图
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map_canvas->setExtent(theOnlyLayer->extent());
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// 刷新画布，使更改生效
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map_canvas->refresh();
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qDebug() << "图层数量为1，已同步画布坐标系至：" << theOnlyLayer->crs().description();
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}
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}
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}
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void ManualLabelToolWidget::updateScaleLabel(double scale)
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{
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// 将比例尺数值格式化为易读的字符串，例如 1:10000
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QString scaleText = QString(tr(u8"比例尺：1:%1")).arg(QString::number(scale, 'f', 0));
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scaleLabel->setText(scaleText);
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// 同时更新单位标签
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Qgis::DistanceUnit unit = map_canvas->mapUnits();
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QString unitString;
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if (unit == Qgis::DistanceUnit::Meters) {
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unitString = tr(u8"米");
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}
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else if (unit == Qgis::DistanceUnit::Degrees) {
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unitString = tr(u8"度");
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}
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else if (unit == Qgis::DistanceUnit::Feet) {
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unitString = tr(u8"英尺");
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}
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else {
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unitString = tr(u8"未知");
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}
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UnitLabel->setText(QString(tr(u8"单位：%1")).arg(unitString));
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// WGS坐标系
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QgsCoordinateReferenceSystem currentCrs = map_canvas->mapSettings().destinationCrs();
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// 获取坐标系的描述信息和认证标识符，例如 "WGS 84 / EPSG:4326"
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QString description = currentCrs.description();
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QString authid = currentCrs.authid();
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if (description == "") {
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// 假设 ui->label_crs 是用于显示坐标系信息的QLabel
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CoordinaryTextLabel->setText(QString(tr(u8"坐标系：未知")));
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}
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else {
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// 假设 ui->label_crs 是用于显示坐标系信息的QLabel
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CoordinaryTextLabel->setText(QString(tr(u8"坐标系：%1 (%2)")).arg(description).arg(authid));
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}
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}
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