QImage::Format_ARGB32 存储使用32为ARGB格式的图像(0xaarrggbb) QImage::Format_ARGB32_Premultiplied 图像存储使用一个自左乘32位ARGB格式 QImage::Format_RGB16 图像存储使用5-6-5 16位RGB格式 QImage::Format_ARGB8565_Premultiplied 图像存储使用一个自左乘24位ARGB格式8-5-6-5 QImage::Format_RGB666 图像存...
format()) { case QImage::Format_ARGB32: case QImage::Format_RGB32: case QImage::Format_ARGB32_Premultiplied: mat = cv::Mat(image.height(), image.width(), CV_8UC4, (void*)image.constBits(), image.bytesPerLine()); break; case QImage::Format_RGB888: mat = cv::Mat(image.height(...
对于非ARGB32/ARGB32_Premultiplied/RGB888/Grayscale8格式的QImage,使用convertToFormat方法将其转换为RGB888格式,以确保兼容性。 使用clone()方法确保返回的Mat对象是数据的副本,避免与原始QImage共享数据导致的潜在问题。 通过这种方式,可以轻松地将QImage转换为Mat格式,以便在OpenCV中进行后续处理。
<< QVideoFrame::Format_ARGB32_Premultiplied << QVideoFrame::Format_RGB565 << QVideoFrame::Format_RGB555; }returnformats; }boolAbstractVideoSurface::start(constQVideoSurfaceFormat &format){ QImage::Format imageFormat = QVideoFrame::imageFormatFromPixelFormat(format.pixelFormat());constQSize size =...
setFont( font );QImageimage( size(), QImage::Format_ARGB32_Premultiplied );QPainterimagePainter( ); imagePainter.initFrom(this); imagePainter.setFont( font() ); imagePainter.setRenderHint( QPainter::Antialiasing,true); imagePainter.eraseRect( rect() );// Set logical origo in the middle ...
image = image.convertToFormat(QImage::Format_ARGB32_Premultiplied);for(int row =0; row < m_rows; row++) {for(int col =0; col < m_cols; col++) { QOpenGLTexture* tile =newQOpenGLTexture(QOpenGLTexture::Target2D);if(!tile)
Format_ARGB32_Premultiplied, ... Format_User = 1000 }; Q_ENUM(PixelFormat) explicit QtCameraCapture(QObject *parent = 0); QList<QVideoFrame::PixelFormat> supportedPixelFormats( QAbstractVideoBuffer::HandleType handleType = QAbstractVideoBuffer::NoHandle) const; ...
QImage sourceBlured(source.size() + QSize(radius * 2, radius * 2), QImage::Format_ARGB32_Premultiplied); sourceBlured.fill(Qt::transparent); 在此图上绘制源对象像素图: QPainter tmpPainter; tmpPainter.begin(&sourceBlured); tmpPainter.drawPixmap(radius, radius, source); ...
QImage image(size.width() + 12 + (m_isShowBtn ? 30 : 0), size.height() + 12, QImage::Format_ARGB32_Premultiplied); image.fill(qRgba(0, 0, 0, 0)); QFont font; font.setStyleStrategy(QFont::ForceOutline); //font.setFamily("Microsoft YaHei"); ...
case QImage::Format_ARGB32_Premultiplied: cvMat = cv::Mat(image.height(), image.width(), CV_8UC4, (void*)image.constBits(), image.bytesPerLine()); break; case QImage::Format_RGB888: cvMat = cv::Mat(image.height(), image.width(), CV_8UC3, (void*)image.constBits(), image....