1、实现了光谱仪简单的采集功能：曝光、调焦、暗电流、采集影像、保存影像；
2、设置光谱仪帧率、曝光时间、gain； 3、在页面中嵌入了rgb相机图传（通过opencv实现）； 4、平台的相机位置模拟、x/y马达的分别控制、x/y马达的量程检测； 5、轨迹规划； 6、加入了张卓的自动调焦模块； 7、加入了自动电源控制；
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tangchao0503
227
HPPA/ImageViewer.cpp
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227
HPPA/ImageViewer.cpp
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#include "stdafx.h"
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#include <iostream>
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#include <QWheelEvent>
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#include <QPoint>
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#include "ImageViewer.h"
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#define VIEW_CENTER viewport()->rect().center()
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#define VIEW_WIDTH viewport()->rect().width()
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#define VIEW_HEIGHT viewport()->rect().height()
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ImageViewer::ImageViewer(QWidget* pParent) :QGraphicsView(pParent)
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{
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m_qtGraphicsScene = new QGraphicsScene(this);
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this->setScene(m_qtGraphicsScene);
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m_framNumberLabel = new QLabel(this);
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m_framNumberLabel->setAlignment(Qt::AlignHCenter);
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m_framNumberLabel->setAlignment(Qt::AlignVCenter);
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QFont ft;
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ft.setPointSize(14);
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m_framNumberLabel->setFont(ft);
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m_framNumberLabel->setText("0");
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m_GraphicsPixmapItemHandle = nullptr;
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m_scale = 1.0;
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m_zoomDelta = 0.1;
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m_translateSpeed = 1.0;
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m_bMouseTranslate = false;
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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}
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ImageViewer::~ImageViewer()
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{
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}
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void ImageViewer::DisplayFrameNumber(int frameNumber)
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{
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m_framNumberLabel->setText(QString::number(frameNumber));
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m_framNumberLabel->adjustSize();
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}
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void ImageViewer::SetImage(QPixmap *image)
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{
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if (!HasImage())
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{
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m_GraphicsPixmapItemHandle = m_qtGraphicsScene->addPixmap(*image);
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}
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else
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{
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m_GraphicsPixmapItemHandle->setPixmap(*image);
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}
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setSceneRect(QRectF(image->rect()));
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}
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bool ImageViewer::HasImage()
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{
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if (m_GraphicsPixmapItemHandle == nullptr)
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{
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return false;
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}
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else
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{
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return true;
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}
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}
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void ImageViewer::wheelEvent(QWheelEvent *event)
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{
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//qDebug() << "---------------+++++++++++++++++++++++++++++++++++++++++++++++++++ ";
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if (true)//HasImage()
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{
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//Χ<><CEA7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŵ<EFBFBD><C5B4><EFBFBD>https://blog.csdn.net/GoForwardToStep/article/details/77035287?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-3.channel_param
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// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>view<65><77>λ<EFBFBD><CEBB>;
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QPointF cursorPoint = event->pos();
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// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>scene<6E><65>λ<EFBFBD><CEBB>;
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QPointF scenePos = this->mapToScene(QPoint(cursorPoint.x(), cursorPoint.y()));
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// <20><>ȡview<65>Ŀ<EFBFBD><C4BF><EFBFBD>;
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qreal viewWidth = this->viewport()->width();
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qreal viewHeight = this->viewport()->height();
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// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD>൱<EFBFBD><E0B5B1>view<65><77>С<EFBFBD>ĺ<EFBFBD><C4BA>ݱ<EFBFBD><DDB1><EFBFBD>;
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qreal hScale = cursorPoint.x() / viewWidth;
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qreal vScale = cursorPoint.y() / viewHeight;
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// <20><><EFBFBD>ֵĹ<D6B5><C4B9><EFBFBD><EFBFBD><EFBFBD>
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QPoint scrollAmount = event->angleDelta();
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// <20><>ֵ<EFBFBD><D6B5>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6>ʹ<EFBFBD><CAB9><EFBFBD>߷Ŵ<DFB7><C5B4><EFBFBD>ֵ<EFBFBD><D6B5>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
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scrollAmount.y() > 0 ? zoomIn() : zoomOut();
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// <20><>scene<6E><65><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD>Ŵ<EFBFBD><C5B4><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
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QPointF viewPoint = this->matrix().map(scenePos);
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// ͨ<><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>view<65>Ŵ<EFBFBD><C5B4><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD>չʾscene<6E><65>λ<EFBFBD><CEBB>;
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horizontalScrollBar()->setValue(int(viewPoint.x() - viewWidth * hScale));
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verticalScrollBar()->setValue(int(viewPoint.y() - viewHeight * vScale));
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}
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QGraphicsView::wheelEvent(event);
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}
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void ImageViewer::scaling(qreal scaleFactor)
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{
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//qDebug() << this->sceneRect();
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scale(scaleFactor, scaleFactor);
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}
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void ImageViewer::mousePressEvent(QMouseEvent *event)
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{
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if (event->button()==Qt::LeftButton)
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{
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m_bMouseTranslate = true;
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m_lastMousePos = event->pos();
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//qDebug() << mapToScene(m_lastMousePos);
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emit leftMouseButtonPressed(mapToScene(m_lastMousePos).x(), mapToScene(m_lastMousePos).y());
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}
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//If you do not perform all the necessary work in your implementation of the virtual function, you may need to call the base class's implementation.
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QGraphicsView::mousePressEvent(event);
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}
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void ImageViewer::mouseMoveEvent(QMouseEvent *event)
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{
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if (m_bMouseTranslate){
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QPointF mouseDelta = mapToScene(event->pos()) - mapToScene(m_lastMousePos);
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translate(mouseDelta);
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}
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m_lastMousePos = event->pos();
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QGraphicsView::mousePressEvent(event);
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}
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void ImageViewer::mouseReleaseEvent(QMouseEvent *event)
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{
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m_bMouseTranslate = false;
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QGraphicsView::mouseReleaseEvent(event);
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}
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void ImageViewer::mouseDoubleClickEvent(QMouseEvent *event)
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{
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QGraphicsView::mouseDoubleClickEvent(event);
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}
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void ImageViewer::zoomIn()
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{
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zoom(1 + m_zoomDelta);
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}
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void ImageViewer::zoomOut()
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{
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zoom(1 - m_zoomDelta);
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}
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void ImageViewer::zoom(float scaleFactor)
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{
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// <20><>ֹ<EFBFBD><D6B9>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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qreal factor = transform().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width();
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if (factor < 0.07 || factor > 100)
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return;
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scale(scaleFactor, scaleFactor);
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m_scale *= scaleFactor;
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}
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void ImageViewer::translate(QPointF delta)
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{
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// <20><><EFBFBD>ݵ<EFBFBD>ǰ zoom <20><><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>
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delta *= m_scale;
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delta *= m_translateSpeed;
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////<2F><><EFBFBD><EFBFBD>1<EFBFBD><31>
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//scene()->setSceneRect(scene()->sceneRect().x() - delta.x(), scene()->sceneRect().y() - delta.y(),
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// scene()->sceneRect().width(), scene()->sceneRect().height());
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//scene()->update();
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//<2F><><EFBFBD><EFBFBD>2<EFBFBD><32>
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// view <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>µĵ<C2B5><C4B5><EFBFBD>Ϊê<CEAA><C3AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ scene
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setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
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QPoint newCenter(VIEW_WIDTH / 2 - delta.x(), VIEW_HEIGHT / 2 - delta.y());
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centerOn(mapToScene(newCenter));
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// scene <20><> view <20><><EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><C4B5><EFBFBD>Ϊê<CEAA><C3AA>
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setTransformationAnchor(QGraphicsView::AnchorViewCenter);
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}
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void ImageViewer::setTranslateSpeed(qreal speed)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD>ٶȷ<D9B6>Χ
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Q_ASSERT_X(speed >= 0.0 && speed <= 2.0,
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"InteractiveView::setTranslateSpeed", "Speed should be in range [0.0, 2.0].");
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m_translateSpeed = speed;
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}
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qreal ImageViewer::translateSpeed() const
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{
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return m_translateSpeed;
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}
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void ImageViewer::setZoomDelta(qreal delta)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Χ
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Q_ASSERT_X(delta >= 0.0 && delta <= 1.0,
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"InteractiveView::setZoomDelta", "Delta should be in range [0.0, 1.0].");
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m_zoomDelta = delta;
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}
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qreal ImageViewer::zoomDelta() const
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{
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return m_zoomDelta;
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}
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