Function rotate_changed_cb

gtk/src/callbacks.c:3659–3732

}

G_MODULE_EXPORT void
rotate_changed_cb (GtkWidget *widget, gpointer data)
{
    int angle, hflip, prev_angle, prev_hflip;
    signal_user_data_t *ud = ghb_ud();

    ghb_log_func();
    prev_angle = ghb_dict_get_int(ud->settings, "rotate");
    prev_hflip = ghb_dict_get_int(ud->settings, "hflip");

    ghb_widget_to_setting(ud->settings, widget);
    ghb_clear_presets_selection(ud);
    ghb_live_reset(ud);

    hb_geometry_crop_t   geo;

    // First normalize current settings to 0 angle 0 hflip
    geo.geometry.width   = ghb_dict_get_int(ud->settings, "scale_width");
    geo.geometry.height  = ghb_dict_get_int(ud->settings, "scale_height");
    geo.geometry.par.num =
        ghb_dict_get_int(ud->settings, "PicturePARWidth");
    geo.geometry.par.den =
        ghb_dict_get_int(ud->settings, "PicturePARHeight");
    geo.crop[0] = ghb_dict_get_int(ud->settings, "PictureTopCrop");
    geo.crop[1] = ghb_dict_get_int(ud->settings, "PictureBottomCrop");
    geo.crop[2] = ghb_dict_get_int(ud->settings, "PictureLeftCrop");
    geo.crop[3] = ghb_dict_get_int(ud->settings, "PictureRightCrop");

    geo.pad[0] = ghb_dict_get_int(ud->settings, "PicturePadTop");
    geo.pad[1] = ghb_dict_get_int(ud->settings, "PicturePadBottom");
    geo.pad[2] = ghb_dict_get_int(ud->settings, "PicturePadLeft");
    geo.pad[3] = ghb_dict_get_int(ud->settings, "PicturePadRight");
    // Normally hflip is applied, then rotation.
    // To revert, must apply rotation then hflip.
    hb_rotate_geometry(&geo, &geo, 360 - prev_angle, 0);
    hb_rotate_geometry(&geo, &geo, 0, prev_hflip);

    const hb_title_t   * title;
    int                  title_id, titleindex;

    title_id = ghb_dict_get_int(ud->settings, "title");
    title = ghb_lookup_title(title_id, &titleindex);
    if (title != NULL)
    {
        // If there is a title, reset to title width/height so that
        // dimension limits get properly re-applied
        geo.geometry.width = title->geometry.width;
        geo.geometry.height = title->geometry.height;
    }

    // rotate dimensions to new angle and hflip
    angle = ghb_dict_get_int(ud->settings, "rotate");
    hflip = ghb_dict_get_int(ud->settings, "hflip");
    hb_rotate_geometry(&geo, &geo, angle, hflip);

    ghb_dict_set_int(ud->settings, "scale_width",
             geo.geometry.width - geo.crop[2] - geo.crop[3]);
    ghb_dict_set_int(ud->settings, "scale_height",