Exemple #1
0
/**
 * Saves a GdkPixbuf image to the current clip.
 *
 * Needed, because the image might come from the last grabbed
 * frame, or the recording of every frame might be automatic. (video)
 *
 * The gdkpixbufsink element posts messages containing the pixbuf.
 */
void Pipeline::save_image_to_current_clip(GdkPixbuf *pixbuf)
{
    Clip *thisclip = owner_->get_current_clip();
    bool is_verbose = owner_->get_configuration()->get_verbose();
    int current_clip_id = thisclip->get_id();
    int w = gdk_pixbuf_get_width(pixbuf);
    int h = gdk_pixbuf_get_height(pixbuf);

    /* if this is the first frame grabbed, set frame properties in clip */
    // TODO:2010-08-27:aalex:Use image size, not clip size. 
    // A clip may contain images that are not the same size.
    if (! thisclip->get_has_recorded_frame()) 
    {
        // TODO: each image should be a different size, if that's what it is.
        thisclip->set_width(w);
        thisclip->set_height(h);
        thisclip->set_has_recorded_frame();
    }

    int new_image_number = thisclip->frame_add();
    Image *new_image = thisclip->get_image(new_image_number);
    if (new_image == 0)
    {
        // This is very unlikely to happen
        std::cerr << "No image at " << new_image_number << std::endl;
        g_object_unref(pixbuf);
        return;
    }
    if (is_verbose)
        std::cout << "Grab a frame. Current clip: " << current_clip_id << ". Image number: " << new_image_number << std::endl;
    std::string file_name = thisclip->get_image_full_path(new_image);
    // We need 3 textures: 
    //  * the onionskin of the last frame grabbed. (or at the writehead position)
    //  * the frame at the playhead position
    //  * the current live input. (GST gives us this one)

    if (!gdk_pixbuf_save(pixbuf, file_name.c_str(), "jpeg", NULL, "quality", "100", NULL))
    {
        g_print("Image %s could not be saved. Error\n", file_name.c_str());
    }
    else
    {
        if (is_verbose)
            g_print("Image %s saved\n", file_name.c_str());
        owner_->get_controller()->add_frame_signal_(current_clip_id, new_image_number);
        thisclip->remove_first_if_more_than(owner_->get_configuration()->get_max_images_per_clip());
    }
}
Exemple #2
0
bool Pipeline::import_image(const std::string &file_name)
{
    bool is_verbose = owner_->get_configuration()->get_verbose();
    if (! toonloop::file_exists(file_name))
    {
        if (is_verbose)
            std::cout << __FUNCTION__ << ": " << std::endl;
        return false;
    }
    Clip *clip = owner_->get_current_clip();
    int clip_id = clip->get_id();
    // TODO: set clip size if not set.
    int new_image_number = clip->frame_add();
    Image *new_image = clip->get_image(new_image_number);
    if (new_image == 0)
    {
        // This is very unlikely to happen
        std::cerr << __FUNCTION__ << ": No image at " << new_image_number << std::endl;
        return false;
    }
    if (is_verbose)
        std::cout << "Import an image. Current clip: " << clip_id << ". Image number: " << new_image_number << std::endl;
    std::string save_as_file_name = clip->get_image_full_path(new_image);

    unsigned int width = (unsigned int) owner_->get_configuration()->get_capture_width();
    unsigned int height = (unsigned int) owner_->get_configuration()->get_capture_height();
    ImageImporter img(file_name, save_as_file_name, width, height, is_verbose);
    bool ok = img.resize();
    if (! ok)
        return false;
    if (is_verbose)
        g_print("Image %s saved\n", save_as_file_name.c_str());
    owner_->get_controller()->add_frame_signal_(clip_id, new_image_number);
    clip->remove_first_if_more_than(owner_->get_configuration()->get_max_images_per_clip());
    return true;
}