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456 lines
19 KiB
456 lines
19 KiB
#include "widgetplot2d.h"
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#include <QDebug>
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#include "ui_widgetplot2d.h"
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WidgetPlot2D::WidgetPlot2D(QWidget* parent) : QWidget(parent), ui(new Ui::WidgetPlot2D) {
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ui->setupUi(this);
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// QCP绘图初始化
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initQCP();
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// 初始化控件
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initWidget();
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// 上下分裂器
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ui->splitter->setStretchFactor(0, 20);
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ui->splitter->setStretchFactor(1, 1);
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// 左右分裂器
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ui->splitter1->setStretchFactor(0, 10);
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ui->splitter1->setStretchFactor(1, 3);
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// 滚动条设置
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ui->horizontalScrollBar->setRange(0, 0);
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// 拖动水平滚动条，图幅跟随变化
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// connect(ui->horizontalScrollBar, SIGNAL(valueChanged(int)), this, SLOT(horzScrollBarChanged(int)));
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// 默认坐标范围
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ui->customPlot->yAxis->setRange(-20, 20);
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ui->customPlot->replot();
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}
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WidgetPlot2D::~WidgetPlot2D() { delete ui; }
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/* 初始化曲线名称 */
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void WidgetPlot2D::initGraphName(QStringList name) {
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//----------------------------------------------------------------------------------------//
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// 设置表头
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ui->treeWidget->setHeaderLabels(QStringList() << "名称"
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<< "值"
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<< "颜色");
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ui->treeWidget->header()->setVisible(true);
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// 表头文字中间对齐
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QTreeWidgetItem* header = ui->treeWidget->headerItem();
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header->setTextAlignment(0, Qt::AlignLeft);
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header->setTextAlignment(1, Qt::AlignLeft);
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header->setTextAlignment(2, Qt::AlignLeft);
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// 设置列宽
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ui->treeWidget->setColumnWidth(0, 100);
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ui->treeWidget->setColumnWidth(1, 90);
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ui->treeWidget->setColumnWidth(2, 30);
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// 表头顺序是否可以拖动改变
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ui->treeWidget->header()->setCascadingSectionResizes(true);
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// 被选部分是否高亮显示
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ui->treeWidget->header()->setHighlightSections(false);
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// 最后一个区域是否占满表格余下的所有部分
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ui->treeWidget->header()->setStretchLastSection(true);
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// 列表的列数
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ui->treeWidget->setColumnCount(3);
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//----------------------------------------------------------------------------------------//
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for (int i = 0; i < name.length(); i++) {
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// 添加曲线列表项
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QTreeWidgetItem* item = new QTreeWidgetItem;
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ui->treeWidget->addTopLevelItem(item);
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//----------------------------------------------------------------------------------------//
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// 向曲线列表项第一列添加曲线是否可见复选框
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QCheckBox* isShowCheckBox = new QCheckBox(name.at(i));
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isShowCheckBox->setChecked(true);
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connect(isShowCheckBox, SIGNAL(stateChanged(int)), this, SLOT(changeGraphVisible()));
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ui->treeWidget->setItemWidget(item, 0, isShowCheckBox);
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isShowCheckBoxVector.append(isShowCheckBox);
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//----------------------------------------------------------------------------------------//
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// 向曲线列表项第二列添加曲线数值标签
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QLabel* valueLabel = new QLabel("0");
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QFont font("Courier");
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valueLabel->setFont(font);
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// valueLabel->setAlignment(Qt::AlignHCenter);
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ui->treeWidget->setItemWidget(item, 1, valueLabel);
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valueLabelVector.append(valueLabel);
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//----------------------------------------------------------------------------------------//
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// 向曲线列表项第三列添加曲线颜色按钮，点击该按钮弹出颜色选择框，选择曲线颜色
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QPushButton* GraphColorPushButton = new QPushButton("");
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// 随机分配初始按钮背景色
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static int r = 0, g = 0, b = 0;
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r += 150;
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g += 50;
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b += 100;
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if (r > 255) r -= 255;
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if (g > 255) g -= 255;
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if (b > 255) b -= 255;
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QPalette pal;
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pal.setColor(QPalette::Button, QColor(r, g, b));
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GraphColorPushButton->setPalette(pal);
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GraphColorPushButton->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
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GraphColorPushButton->setFlat(true);
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// 固定颜色按钮大小
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GraphColorPushButton->setMinimumHeight(18); // 固定高度
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GraphColorPushButton->setMaximumHeight(18);
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GraphColorPushButton->setMinimumWidth(30); // 固定宽度
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GraphColorPushButton->setMaximumWidth(30);
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connect(GraphColorPushButton, SIGNAL(clicked()), this, SLOT(changeGraphColor()));
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ui->treeWidget->setItemWidget(item, 2, GraphColorPushButton);
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GraphColorPushButtonVector.append(GraphColorPushButton);
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//----------------------------------------------------------------------------------------//
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// 添加曲线
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ui->customPlot->addGraph();
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ui->customPlot->graph(ui->customPlot->graphCount() - 1)->setPen(QPen(QColor(r, g, b)));
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ui->customPlot->graph(ui->customPlot->graphCount() - 1)->setVisible(true);
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// 将曲线名称与曲线序号一一对应，之后添加数据就可以一一对应
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nameToGraphMap[name.at(i)] = i;
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// 初始化数据容器的值
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for (int t = 0; t < name.length(); t++) {
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valueVector.append(0);
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}
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}
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}
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/* 添加数据 */
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void WidgetPlot2D::addData(QString name, double value, int offms) {
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// 如果点击了“暂停”按钮，则不绘制图形
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if (ui->pausePBtn->text() == "开始") return;
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double key = 0;
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double val = value;
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pointCnt[nameToGraphMap[name]]++;
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key = pointCnt[nameToGraphMap[name]];
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if (ui->autoRangeCheck->isChecked()) {
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ui->customPlot->rescaleAxes();
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}
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ui->customPlot->graph(nameToGraphMap[name])->addData(key, value);
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ui->customPlot->xAxis->setRange(key, ui->customPlot->xAxis->range().size(), Qt::AlignRight);
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ui->customPlot->replot(QCustomPlot::rpQueuedReplot);
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#if 0
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// 系统当前时间 = 系统运行初始时间 + 系统运行时间
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static double start = time.hour() * 60 * 60 + time.minute() * 60 + time.second() + time.msec() / 1000.0;
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double key = start + time.elapsed() / 1000.0 + offms / 1000;
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// 子网格显示
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ui->customPlot->xAxis->grid()->setSubGridVisible(ui->subGridCheck->isChecked());
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ui->customPlot->yAxis->grid()->setSubGridVisible(ui->subGridCheck->isChecked());
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// 自适应量程
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if (ui->autoRangeCheck->isChecked()) {
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ui->customPlot->rescaleAxes();
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}
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// 设置时间轴
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int timeAxis = ui->timeAxisSpin->value();
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ui->customPlot->xAxis->setRange(key, timeAxis, Qt::AlignRight);
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// x轴和y轴全程显示
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if (ui->fullShowCheck->isChecked()) {
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ui->customPlot->rescaleAxes();
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}
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// 刷新绘图水平滚动条
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ui->horizontalScrollBar->setRange(int(start), int(key)); // 刷新滚动条的范围
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ui->horizontalScrollBar->setPageStep(1); // 设置翻页步长为 1s 的宽度
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ui->horizontalScrollBar->setValue(int(key)); // 调整滑块位置到最右边
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// 更新曲线绘图
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ui->customPlot->graph(nameToGraphMap[name])->addData(key, value);
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// ui->customPlot->replot();
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// 使用rpQueuedReplot参数可以加快绘图速度，避免不必要的重复绘制
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ui->customPlot->replot(QCustomPlot::rpQueuedReplot);
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// 存储曲线的当前值
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valueVector[nameToGraphMap[name]] = value;
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//----------------------------------------------------------------------------------------//
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// 计算每秒的帧率
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static double lastFpsKey = key;
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static int frameCount = 0;
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frameCount++;
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// 每2秒显示一次帧率
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if (key - lastFpsKey > 0.5) {
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uint64_t sum = 0;
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for (int i = 0; i < ui->customPlot->plottableCount(); i++) {
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sum += uint64_t(ui->customPlot->graph(i)->data()->size());
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}
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ui->statusLabel->setText(QString("%1 FPS, Total Data points: %2").arg(frameCount / (key - lastFpsKey), 0, 'f', 0).arg(sum));
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lastFpsKey = key;
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frameCount = 0;
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// 更新数据标签
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for (int t = 0; t < ui->customPlot->plottableCount(); t++) {
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valueLabelVector[t]->setText(QString::number(valueVector[t]));
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}
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}
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#endif
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//----------------------------------------------------------------------------------------//
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}
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/* 曲线是否显示 */
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void WidgetPlot2D::changeGraphVisible() {
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for (int i = 0; i < isShowCheckBoxVector.length(); i++) {
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ui->customPlot->graph(i)->setVisible(isShowCheckBoxVector[i]->isChecked());
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}
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}
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/* 改变曲线颜色 */
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void WidgetPlot2D::changeGraphColor() {
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/* 在槽（SLOT)中sender()函数会返回一个指向 QObject 的指针来指向信号的发送者。
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* 然后通过 C++ RTTI(Run-Time Type Identification)机制提供的dynamic_cast运算符，
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* 在执行的时候检查sender()返回的对象是否是QPushButton类，如果是则将sender()返回的QObject指针转换为QPushButton指针，
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* 然后if中的语句就会执行。如果sender()返回的对象不是QPushButton类型的指针，则dynamic_cast就会返回0，if中的语句就不会执行了。
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* */
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if (QPushButton* btn = dynamic_cast<QPushButton*>(sender())) {
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QColor color = QColorDialog::getColor(Qt::white, this);
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// 用户取消颜色对话框
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if (color.isValid() == false) return;
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// 设置按钮背景色
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QPalette pal; // = btn->palette();
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pal.setColor(QPalette::Button, color);
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btn->setPalette(pal);
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btn->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
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btn->setFlat(true); // 该句不能缺少，否则背景颜色无法改变
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}
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// 改变对应的曲线颜色
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for (int i = 0; i < GraphColorPushButtonVector.length(); i++) {
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// 获取按钮的颜色
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QPalette pal = GraphColorPushButtonVector[i]->palette();
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QColor color = pal.color(QPalette::Button);
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// 曲线颜色对应按钮颜色
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ui->customPlot->graph(i)->setPen(QPen(color));
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}
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ui->customPlot->replot();
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}
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/* QCP绘图初始化 */
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void WidgetPlot2D::initQCP() {
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// 刻度显示
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ui->customPlot->xAxis->setTicks(true);
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ui->customPlot->yAxis->setTicks(true);
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// 刻度值显示
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ui->customPlot->xAxis->setTickLabels(true);
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ui->customPlot->yAxis->setTickLabels(true);
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// 网格显示
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ui->customPlot->xAxis->grid()->setVisible(true);
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ui->customPlot->yAxis->grid()->setVisible(true);
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// 子网格显示
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ui->customPlot->xAxis->grid()->setSubGridVisible(false);
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ui->customPlot->yAxis->grid()->setSubGridVisible(false);
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// 右和上坐标轴、刻度值显示
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ui->customPlot->xAxis2->setVisible(true);
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ui->customPlot->yAxis2->setVisible(true);
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ui->customPlot->yAxis2->setTicks(true);
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ui->customPlot->yAxis2->setTickLabels(true);
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// make top right axes clones of bottom left axes. Looks prettier:
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// ui->customPlot->axisRect()->setupFullAxesBox();
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// make left and bottom axes always transfer their ranges to right and top axes:
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connect(ui->customPlot->xAxis, SIGNAL(rangeChanged(QCPRange)), ui->customPlot->xAxis2, SLOT(setRange(QCPRange)));
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connect(ui->customPlot->yAxis, SIGNAL(rangeChanged(QCPRange)), ui->customPlot->yAxis2, SLOT(setRange(QCPRange)));
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// 暗色主题
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// setPlotTheme(Qt::white, Qt::black);
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// 亮色主题
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setTheme(Qt::black, Qt::white);
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// 可放大缩小和移动
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ui->customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
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// x轴以时间形式显示
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// QSharedPointer<QCPAxisTickerTime> timeTicker(new QCPAxisTickerTime);
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// timeTicker->setTimeFormat("%h:%m:%s");
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// ui->customPlot->xAxis->setTicker(timeTicker);
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ui->customPlot->axisRect()->setupFullAxesBox();
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ui->customPlot->replot();
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}
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/* 设置绘图主题 */
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void WidgetPlot2D::setTheme(QColor axis, QColor background) {
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// 坐标颜色按钮
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QPalette pal = ui->axisColorPBtn->palette();
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pal.setColor(QPalette::Button, axis);
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ui->axisColorPBtn->setPalette(pal);
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ui->axisColorPBtn->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
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ui->axisColorPBtn->setFlat(true); // 该句不能缺少，否则背景颜色无法改变
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// 背景颜色按钮
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pal = ui->backgroundColorPBtn->palette();
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pal.setColor(QPalette::Button, background);
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ui->backgroundColorPBtn->setPalette(pal);
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ui->backgroundColorPBtn->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
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ui->backgroundColorPBtn->setFlat(true); // 该句不能缺少，否则背景颜色无法改变
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//----------------------------------------------------------------------------------------//
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// 坐标标注颜色
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ui->customPlot->xAxis->setLabelColor(axis);
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ui->customPlot->yAxis->setLabelColor(axis);
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// 坐标刻度值颜色
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ui->customPlot->xAxis->setTickLabelColor(axis);
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ui->customPlot->yAxis->setTickLabelColor(axis);
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// 坐标基线颜色和宽度
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ui->customPlot->xAxis->setBasePen(QPen(axis, 1));
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ui->customPlot->yAxis->setBasePen(QPen(axis, 1));
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// 坐标主刻度颜色和宽度
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ui->customPlot->xAxis->setTickPen(QPen(axis, 1));
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ui->customPlot->yAxis->setTickPen(QPen(axis, 1));
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// 坐标子刻度颜色和宽度
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ui->customPlot->xAxis->setSubTickPen(QPen(axis, 1));
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ui->customPlot->yAxis->setSubTickPen(QPen(axis, 1));
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// 坐标标注颜色
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ui->customPlot->xAxis2->setLabelColor(axis);
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ui->customPlot->yAxis2->setLabelColor(axis);
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// 坐标刻度值颜色
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ui->customPlot->xAxis2->setTickLabelColor(axis);
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ui->customPlot->yAxis2->setTickLabelColor(axis);
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// 坐标基线颜色和宽度
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ui->customPlot->xAxis2->setBasePen(QPen(axis, 1));
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ui->customPlot->yAxis2->setBasePen(QPen(axis, 1));
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// 坐标主刻度颜色和宽度
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ui->customPlot->xAxis2->setTickPen(QPen(axis, 1));
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ui->customPlot->yAxis2->setTickPen(QPen(axis, 1));
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// 坐标子刻度颜色和宽度
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ui->customPlot->xAxis2->setSubTickPen(QPen(axis, 1));
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ui->customPlot->yAxis2->setSubTickPen(QPen(axis, 1));
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// 整个画布背景色
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ui->customPlot->setBackground(background);
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// 绘图区域背景色
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ui->customPlot->axisRect()->setBackground(background);
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// 刷新绘图
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ui->customPlot->replot();
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}
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/* 初始化控件 */
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void WidgetPlot2D::initWidget() {
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// 时间轴默认时间宽度
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ui->timeAxisSpin->setValue(20);
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// 主题
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QStringList theme;
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theme << "亮色"
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<< "暗色"
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<< "自定义";
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ui->themeCombo->addItems(theme);
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connect(ui->themeCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(changePlotTheme()));
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//----------------------------------------------------------------------------------------//
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// 坐标颜色按钮
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QPalette pal = ui->axisColorPBtn->palette();
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pal.setColor(QPalette::Button, Qt::black);
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ui->axisColorPBtn->setPalette(pal);
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ui->axisColorPBtn->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
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ui->axisColorPBtn->setFlat(true); // 该句不能缺少，否则背景颜色无法改变
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connect(ui->axisColorPBtn, SIGNAL(clicked()), this, SLOT(changePlotTheme()));
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// 背景颜色按钮
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pal = ui->backgroundColorPBtn->palette();
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pal.setColor(QPalette::Button, Qt::white);
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ui->backgroundColorPBtn->setPalette(pal);
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ui->backgroundColorPBtn->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
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ui->backgroundColorPBtn->setFlat(true); // 该句不能缺少，否则背景颜色无法改变
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connect(ui->backgroundColorPBtn, SIGNAL(clicked()), this, SLOT(changePlotTheme()));
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// 操作按钮
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connect(ui->clearPBtn, SIGNAL(clicked()), this, SLOT(plotOperation()));
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connect(ui->fullShowPBtn, SIGNAL(clicked()), this, SLOT(plotOperation()));
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connect(ui->savePBtn, SIGNAL(clicked()), this, SLOT(plotOperation()));
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connect(ui->pausePBtn, SIGNAL(clicked()), this, SLOT(plotOperation()));
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//----------------------------------------------------------------------------------------//
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}
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/* 改变画图主题 */
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void WidgetPlot2D::changePlotTheme() {
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// 主题选择
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if (QComboBox* combo = dynamic_cast<QComboBox*>(sender())) {
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if (combo->currentText() == "亮色") {
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setTheme(Qt::black, Qt::white); // 亮色主题
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} else if (combo->currentText() == "暗色") {
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setTheme(Qt::white, Qt::black); // 暗色主题
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} else if (combo->currentText() == "自定义") {
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// 绘图坐标颜色
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QPalette axisPal = ui->axisColorPBtn->palette();
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QColor axisColor = axisPal.color(QPalette::Button);
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// 绘图背景颜色
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QPalette backgroundPal = ui->backgroundColorPBtn->palette();
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QColor backgroundColor = backgroundPal.color(QPalette::Button);
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setTheme(axisColor, backgroundColor);
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}
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}
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// 用户自定义主题
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if (QPushButton* btn = dynamic_cast<QPushButton*>(sender())) {
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QColor color = QColorDialog::getColor(Qt::white, this);
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// 用户取消颜色对话框
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if (color.isValid() == false) return;
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// 设置按钮背景色
|
|
QPalette pal = btn->palette();
|
|
pal.setColor(QPalette::Button, color);
|
|
btn->setPalette(pal);
|
|
btn->setAutoFillBackground(true); // 该句不能缺少，否则背景颜色无法改变
|
|
btn->setFlat(true); // 该句不能缺少，否则背景颜色无法改变
|
|
// 绘图坐标颜色
|
|
QPalette axisPal = ui->axisColorPBtn->palette();
|
|
QColor axisColor = axisPal.color(QPalette::Button);
|
|
// 绘图背景颜色
|
|
QPalette backgroundPal = ui->backgroundColorPBtn->palette();
|
|
QColor backgroundColor = backgroundPal.color(QPalette::Button);
|
|
// 改变主题颜色
|
|
setTheme(axisColor, backgroundColor);
|
|
ui->themeCombo->setCurrentText("自定义");
|
|
}
|
|
}
|
|
|
|
/* 绘图操作 */
|
|
void WidgetPlot2D::plotOperation() {
|
|
if (QPushButton* btn = dynamic_cast<QPushButton*>(sender())) {
|
|
if (btn->text() == "清除") {
|
|
for (int i = 0; i < ui->customPlot->graphCount(); i++) {
|
|
// 先获得每条曲线的数据指针，然后删除数据
|
|
ui->customPlot->graph(i)->data()->clear();
|
|
ui->customPlot->replot();
|
|
|
|
for (size_t i = 0; i < 100; i++) {
|
|
pointCnt[i] = 0;
|
|
}
|
|
}
|
|
}
|
|
if (btn->text() == "整图") {
|
|
ui->customPlot->rescaleAxes();
|
|
ui->customPlot->replot();
|
|
}
|
|
if (btn->text() == "保存") {
|
|
savePlotPng();
|
|
}
|
|
if (btn->text() == "暂停") {
|
|
btn->setText("开始");
|
|
QIcon icon(":/image/player.png");
|
|
btn->setIcon(icon);
|
|
} else if (btn->text() == "开始") {
|
|
btn->setText("暂停");
|
|
QIcon icon(":/image/pause.png");
|
|
btn->setIcon(icon);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 判断路径是否存在，不存在则新建，只能创建一级子目录，必须保证上级目录存在 */
|
|
bool WidgetPlot2D::isDirExist(QString fullPath) {
|
|
QDir dir(fullPath);
|
|
if (dir.exists()) {
|
|
return true;
|
|
} else {
|
|
// 创建一级子目录，必须保证上级目录存在
|
|
bool ok = dir.mkdir(fullPath);
|
|
return ok;
|
|
}
|
|
}
|
|
|
|
/* 保存绘图成图片 */
|
|
void WidgetPlot2D::savePlotPng() {
|
|
// 获取程序运行路径
|
|
QString savePath = QCoreApplication::applicationDirPath() + "/output";
|
|
// 判断文件路径
|
|
if (isDirExist(savePath)) {
|
|
} else {
|
|
qDebug() << "保存文件目录未找到!";
|
|
QMessageBox::warning(this, "warning", "保存文件目录未找到!", QMessageBox::Yes, QMessageBox::Yes);
|
|
}
|
|
QString fileName = QFileDialog::getSaveFileName(this,
|
|
"保存波形数据", // 对话框的标题
|
|
savePath, // 保存的默认路径为程序运行路径
|
|
"Save Picture (*.png *jpg)"); // 打开文件的类型，;隔开
|
|
// 如果用户点击了“取消”按钮
|
|
if (fileName.isNull()) return;
|
|
// 保存图片
|
|
ui->customPlot->savePng(fileName, 1280, 800, 1.0, -1, 255);
|
|
}
|
|
|
|
/* 水平滚动条移动 */
|
|
void WidgetPlot2D::horzScrollBarChanged(int value) {}
|