/** * Sets image to be processed. * * @param xsize width of image * @param ysize height of image * @param buf pixel data * @param rect the bounding rectangle defines the region of the image to be recognized. A * rectangle of zero dimension or <code>null</code> indicates the whole image. * @param bpp bits per pixel, represents the bit depth of the image, with 1 for binary bitmap, 8 * for gray, and 24 for color RGB. */ private void setImage(int xsize, int ysize, ByteBuffer buf, Rectangle rect, int bpp) { int bytespp = bpp / 8; int bytespl = (int) Math.ceil(xsize * bpp / 8.0); api.TessBaseAPISetImage(handle, buf, xsize, ysize, bytespp, bytespl); if (rect != null && !rect.isEmpty()) { api.TessBaseAPISetRectangle(handle, rect.x, rect.y, rect.width, rect.height); } }