/**
* 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);
}
}
