C++ (Cpp) gp_camera_folder_delete_all Examples

Example #1

File: gpcamera.cpp Project: Match-Yang/digikam

// TODO fix to go through all folders
// TODO this was never even used..
bool GPCamera::deleteAllItems(const QString& folder)
{
#ifdef HAVE_GPHOTO2
    int         errorCode;
    QStringList folderList;

    d->status->cancel = false;
    errorCode         = gp_camera_folder_delete_all(d->camera, QFile::encodeName(folder).constData(),
                                                    d->status->context);

    if (errorCode != GP_OK)
    {
        qCDebug(DIGIKAM_IMPORTUI_LOG) << "Failed to delete camera folder!";
        printGphotoErrorDescription(errorCode);
        return false;
    }

    return true;
#else
    Q_UNUSED(folder);
    return false;
#endif /* HAVE_GPHOTO2 */
}

Example #2

File: photocontroller.cpp Project: d3estudio/bloom-oi-xtreme

bool photoController::capture(const char *filename) 
{
	if(checkCameraDetection() == false)
	{
		DEBUG_PRINTF(V_WARNING, "No camera detected.\n");
		return false;
	}
	int fd, retval;
	CameraFile *file;
	CameraFilePath camera_file_path;
	START_CHRONOMETER();
	DEBUG_PRINTF(V_MESSAGE, "Deleting old files.\n");
	retval = gp_camera_folder_delete_all(camera, "/", context);
	if(retval != GP_OK) // Error.
	{
		DEBUG_PRINTF(V_WARNING, "ERROR: Couldn't delete old files in camera memory. Code: %d\n", retval);
		return false;
	}
	DEBUG_PRINTF(V_MESSAGE, "Camera capture.\n");

	retval = gp_camera_capture(camera, GP_CAPTURE_IMAGE, &camera_file_path, context);
	if(retval != GP_OK) // Error.
	{
		if(retval == GP_ERROR_NOT_SUPPORTED)
			DEBUG_PRINTF(V_WARNING, "ERROR: This camera can not capture.\n");
		else
		{
			DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_camera_capture return. Code: %d\n", retval);
			releaseCamera(&camera, context);
			camera_detected = false;
			initCamera();
		}
		return false;
	}
	DEBUG_PRINTF(V_MESSAGE, "camera_file_path.folder %s!\n", camera_file_path.folder);
	DEBUG_PRINTF(V_MESSAGE, "Open %s!\n", filename);
	fd = open(filename, O_CREAT | O_WRONLY, 0644);
	if(fd < 0)  // Error.
	{
		DEBUG_PRINTF(V_WARNING, "Error opening file: %s!\n", strerror(errno));
		return false;
	}
	DEBUG_PRINTF(V_MESSAGE, "Create new CameraFile object from a file descriptor FD: %d.\n", fd);
	retval = gp_file_new_from_fd(&file, fd);
	if(retval != GP_OK) // Error.
	{
		DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_file_new_from_fd return. Code: %d\n", retval);
		gp_file_free(file);
		close(fd);
		return false;
	}
	if(checkCameraDetection() == false)
	{
		DEBUG_PRINTF(V_WARNING, "No camera detected 2.\n");
		gp_file_free(file);
		close(fd);
		return false;
	}
	DEBUG_PRINTF(V_MESSAGE, "Copy file from camera.\n");
	retval = gp_camera_file_get(camera, camera_file_path.folder, camera_file_path.name, GP_FILE_TYPE_NORMAL, file, context);
	if(retval != GP_OK) // Error.
	{
		if(retval == GP_ERROR_DIRECTORY_NOT_FOUND)
			DEBUG_PRINTF(V_WARNING, "Photo directory not found.\n");
		else if(retval == GP_ERROR_FILE_NOT_FOUND)
			DEBUG_PRINTF(V_WARNING, "Photo file name not found.\n");
		else
			DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_camera_file_get return. Code: %d\n", retval);
		gp_file_free(file);
		close(fd);
		return false;
	}
	if(checkCameraDetection() == false)
	{
		DEBUG_PRINTF(V_WARNING, "No camera detected 3.\n");
		gp_file_free(file);
		close(fd);
		return false;
	}
	DEBUG_PRINTF(V_MESSAGE, "Delete file from camera.\n");
	retval = gp_camera_file_delete(camera, camera_file_path.folder, camera_file_path.name, context);
	if(retval != GP_OK) // Error.
	{
		DEBUG_PRINTF(V_WARNING, "ERROR: Unexpected gp_camera_file_delete return. Code: %d\n", retval);
		gp_file_free(file);
		close(fd);
		return false;
	}

	DEBUG_PRINTF(V_MESSAGE, "Free CameraFile object.\n");
	gp_file_unref(file);
	close(fd);

	cv::Mat raw = cv::imread(filename);
	if(raw.data == NULL)
	{
		DEBUG_PRINTF(V_WARNING, "ERROR: OpenCV failed to open image file.\n");
		return false;
	}
	cv::Size raw_size = raw.size();
	DEBUG_PRINTF(V_MESSAGE, "capture() cv::Mat total=%u width=%d height=%d refcount=%d\n", raw.total(), raw_size.width, raw_size.height, (int)(void*)raw.refcount);
	crop(raw);
	raw.release();

	STOP_CHRONOMETER("Capture");
	return true;
}