ctt\raspberrypi\utils - libcamera/pinchartl/libcamera.git - Laurent Pinchart's clone of libcamera

Mode	Name	Size
-rwxr-xr-x	alsc_only.py	848	log plain
-rw-r--r--	colors.py	1093	log plain
-rwxr-xr-x	convert_tuning.py	1452	log plain
-rwxr-xr-x	ctt.py	31761	log plain
-rw-r--r--	ctt_alsc.py	10158	log plain
-rw-r--r--	ctt_awb.py	13257	log plain
-rw-r--r--	ctt_ccm.py	14859	log plain
-rw-r--r--	ctt_config_example.json	210	log plain
-rw-r--r--	ctt_geq.py	6283	log plain
-rw-r--r--	ctt_image_load.py	14996	log plain
-rw-r--r--	ctt_lux.py	1911	log plain
-rw-r--r--	ctt_macbeth_locator.py	26858	log plain
-rw-r--r--	ctt_noise.py	3648	log plain
-rwxr-xr-x	ctt_pretty_print_json.py	4514	log plain
-rw-r--r--	ctt_ransac.py	2313	log plain
-rw-r--r--	ctt_ref.pgm	9641	log plain
-rw-r--r--	ctt_tools.py	3949	log plain
-rw-r--r--	ctt_visualise.py	1846	log plain

class="hl kwd">ViewFinderQt() { } const QList<libcamera::PixelFormat> &ViewFinderQt::nativeFormats() const { static const QList<libcamera::PixelFormat> formats = ::nativeFormats.keys(); return formats; } int ViewFinderQt::setFormat(const libcamera::PixelFormat &format, const QSize &size, unsigned int stride) { image_ = QImage(); /* * If format conversion is needed, configure the converter and allocate * the destination image. */ if (!::nativeFormats.contains(format)) { int ret = converter_.configure(format, size, stride); if (ret < 0) return ret; image_ = QImage(size, QImage::Format_RGB32); qInfo() << "Using software format conversion from" << format; } else { qInfo() << "Zero-copy enabled"; } format_ = format; size_ = size; updateGeometry(); return 0; } void ViewFinderQt::render(libcamera::FrameBuffer *buffer, Image *image) { size_t size = buffer->metadata().planes()[0].bytesused; { QMutexLocker locker(&mutex_); if (::nativeFormats.contains(format_)) { /* * If the frame format is identical to the display * format, create a QImage that references the frame * and store a reference to the frame buffer. The * previously stored frame buffer, if any, will be * released. * * \todo Get the stride from the buffer instead of * computing it naively */ assert(buffer->planes().size() == 1); image_ = QImage(image->data(0).data(), size_.width(), size_.height(), size / size_.height(), ::nativeFormats[format_]); std::swap(buffer, buffer_); } else { /* * Otherwise, convert the format and release the frame * buffer immediately. */ converter_.convert(image, size, &image_); } } update(); if (buffer) renderComplete(buffer); } void ViewFinderQt::stop() { image_ = QImage(); if (buffer_) { renderComplete(buffer_); buffer_ = nullptr; } update(); } QImage ViewFinderQt::getCurrentImage() { QMutexLocker locker(&mutex_); return image_.copy(); } void ViewFinderQt::paintEvent(QPaintEvent *) { QPainter painter(this); /* If we have an image, draw it. */ if (!image_.isNull()) { painter.drawImage(rect(), image_, image_.rect()); return; } /* * Otherwise, draw the camera stopped icon. Render it to the pixmap if * the size has changed. */ constexpr int margin = 20; if (vfSize_ != size() || pixmap_.isNull()) { QSize vfSize = size() - QSize{ 2 * margin, 2 * margin }; QSize pixmapSize{ 1, 1 }; pixmapSize.scale(vfSize, Qt::KeepAspectRatio); pixmap_ = icon_.pixmap(pixmapSize); vfSize_ = size(); } QPoint point{ margin, margin }; if (pixmap_.width() < width() - 2 * margin) point.setX((width() - pixmap_.width()) / 2); else point.setY((height() - pixmap_.height()) / 2); painter.setBackgroundMode(Qt::OpaqueMode); painter.drawPixmap(point, pixmap_); } QSize ViewFinderQt::sizeHint() const { return size_.isValid() ? size_ : QSize(640, 480); }