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- // *****************************************************************************
- // 版权所有(C)2023~2099 上海骄成超声波技术有限公司
- // 保留所有权利
- // *****************************************************************************
- // 作者 : 杨坚
- // 版本 : 1.0
- // 功能说明:
- // 鼠标监控-全局的,可能后面还有其他地方使用,所以..
- // *****************************************************************************
- #include "JMouseMonitorThread.h"
- #include <qDebug>
- JMouseMonitorThread::JMouseMonitorThread(QObject* parent /*= nullptr*/)
- : QThread(parent),
- m_locked(false),
- m_running(true)
- {
- }
- void JMouseMonitorThread::setLockCenter(const QPoint center)
- {
- QMutexLocker locker(&m_mutex);
- m_lockCenter = center;
- m_locked = true;
- }
- void JMouseMonitorThread::unlock()
- {
- QMutexLocker locker(&m_mutex);
- m_locked = false;
- }
- void JMouseMonitorThread::stop()
- {
- m_running = false;
- wait();
- }
- void JMouseMonitorThread::ConvertUIClickToImagePixel(int uiX, int uiY, int& imageX, int& imageY)
- {
- int uiwidth = 493;//imageLabel->width(); 480 493
- int uiheight = 493;// imageLabel->height();360
- int imagewidth = 640;
- int imageheight = 480;
- // 步骤1:转换为左上原点坐标系
- float uiX_topLeft = uiX + uiwidth / 2.0f;
- float uiY_topLeft = uiY + uiheight / 2.0f; // UI的Y轴向下为正
- // 步骤2:计算缩放比例
- float scaleX = (float)imagewidth / uiwidth; // 640/480 ≈ 1.333
- float scaleY = (float)imageheight / uiheight; // 480/360 ≈ 1.333
- // 步骤3:映射到原始图像
- int imageXA = (int)(uiX_topLeft * scaleX);
- int imageYA = (int)(uiY_topLeft * scaleY);
- // 确保坐标在图像范围内
- imageX = std::max(0, std::min(imagewidth - 1, imageXA));
- imageY = std::max(0, std::min(imageheight - 1, imageYA));
- }
- void JMouseMonitorThread::ConvertUIClickToImagePixel2(int uiX, int uiY, int& imageX, int& imageY)
- {
- const int uiWidth = 493; // UI控件实际宽度
- const int uiHeight = 493; // UI控件实际高度
- const int imgWidth = 640; // 原始图像宽度
- const int imgHeight = 480; // 原始图像高度
- // 1. 计算保持宽高比的缩放比例
- const float scale = std::min(
- static_cast<float>(uiWidth) / imgWidth,
- static_cast<float>(uiHeight) / imgHeight
- );
- // 2. 计算实际显示区域尺寸
- const int displayWidth = static_cast<int>(imgWidth * scale);
- const int displayHeight = static_cast<int>(imgHeight * scale);
- // 3. 计算显示区域在控件中的偏移(居中)
- const int offsetX = (uiWidth - displayWidth) / 2;
- const int offsetY = (uiHeight - displayHeight) / 2;
- // 4. 将UI坐标转换为显示区域坐标
- const int uiClickX = uiX + uiWidth / 2; // 转换到控件坐标系
- const int uiClickY = uiY + uiHeight / 2;
- // 5. 有效性检查(点击是否在显示区域内)
- const int displayX = std::max(0, std::min(displayWidth - 1, uiClickX - offsetX));
- const int displayY = std::max(0, std::min(displayHeight - 1, uiClickY - offsetY));
- // 6. 映射到原始图像坐标
- imageX = static_cast<int>(displayX / scale);
- imageY = static_cast<int>(displayY / scale);
- // 最终有效性检查
- imageX = std::max(0, std::min(imgWidth - 1, imageX));
- imageY = std::max(0, std::min(imgHeight - 1, imageY));
- }
- void JMouseMonitorThread::run()
- {
- QPoint lastPos = QCursor::pos();
- while (m_running)
- {
- if (m_locked)
- {
- QPoint currentPos;
- QPoint center;
- {
- QMutexLocker locker(&m_mutex);
- center = m_lockCenter;
- }
- currentPos = QCursor::pos();
- QPoint delta = currentPos - center;
- if (delta != QPoint(0, 0))
- {
- int imageX, imageY;
- ConvertUIClickToImagePixel2(delta.x(), delta.y(),imageX, imageY);
- //qDebug() << "image POS" << imageX << " " << imageY;
- delta.setX(imageX);
- delta.setY(imageY);
- emit MouseMovedSlg(delta);
- emit RequestCursorMoveSlg(center);
- }
- }
- msleep(15);
- }
- }
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