TIFFImageWriter.java 文件源码

public void prepareInsertEmpty(int imageIndex,
                               ImageTypeSpecifier imageType,
                               int width,
                               int height,
                               IIOMetadata imageMetadata,
                               List<? extends BufferedImage> thumbnails,
                               ImageWriteParam param) throws IOException {
    checkParamsEmpty(imageType, width, height, thumbnails);

    this.isInsertingEmpty = true;

    SampleModel emptySM = imageType.getSampleModel();
    RenderedImage emptyImage =
        new EmptyImage(0, 0, width, height,
                       0, 0, emptySM.getWidth(), emptySM.getHeight(),
                       emptySM, imageType.getColorModel());

    insert(imageIndex, new IIOImage(emptyImage, null, imageMetadata),
           param, false);
}