/**
* Extract the ImageLayout from the provided reader for the first available image.
*
* @param reader an istance of {@link ImageReader}
* @throws IOException in case an error occurs
*/
protected void setLayout(ImageReader reader) throws IOException {
Utilities.ensureNonNull("reader", reader);
// save ImageLayout
ImageLayout2 layout = new ImageLayout2();
ImageTypeSpecifier its = reader.getImageTypes(0).next();
layout.setColorModel(its.getColorModel()).setSampleModel(its.getSampleModel());
layout.setMinX(0).setMinY(0).setWidth(reader.getWidth(0)).setHeight(reader.getHeight(0));
layout
.setTileGridXOffset(0)
.setTileGridYOffset(0)
.setTileWidth(reader.getTileWidth(0))
.setTileHeight(reader.getTileHeight(0));
setlayout(layout);
}
