private boolean isWidthSmall() {
        return imageWidth <= DEFAULT_SIZE;
    }

    private boolean isHeightSmall() {
        return imageHeight <= DEFAULT_SIZE;
    }

    private void calcSelectorSide() {


        var wSmall = isWidthSmall();
        var hSmall = isHeightSmall();

        if (wSmall && hSmall) {
            selectSideWidth = imageWidth;
            selectSideHeight = imageHeight;
            return;
        }
        if (wSmall) {
            selectSideHeight = selectSideWidth;
            return;
        }
        if (hSmall) {
            selectSideWidth = selectSideHeight;
            return;
        }

        double widthRatio = DEFAULT_SIZE / (double) imageWidth;
        double heightRatio = DEFAULT_SIZE / (double) imageHeight;
        if (heightRatio < widthRatio) {
            selectSideHeight = (int) (DEFAULT_SIZE * heightRatio);
        } else
            selectSideHeight = (int) (DEFAULT_SIZE * widthRatio);
        selectSideWidth = selectSideHeight;
    }