media/libjpeg/simd/jcsample.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

/*
 * jcsample.h
 *
 * This file was part of the Independent JPEG Group's software:
 * Copyright (C) 1991-1996, Thomas G. Lane.
 * For conditions of distribution and use, see the accompanying README.ijg
 * file.
 */

LOCAL(void)
expand_right_edge (JSAMPARRAY image_data, int num_rows,
                   JDIMENSION input_cols, JDIMENSION output_cols)
{
  register JSAMPROW ptr;
  register JSAMPLE pixval;
  register int count;
  int row;
  int numcols = (int) (output_cols - input_cols);

  if (numcols > 0) {
    for (row = 0; row < num_rows; row++) {
      ptr = image_data[row] + input_cols;
      pixval = ptr[-1];         /* don't need GETJSAMPLE() here */
      for (count = numcols; count > 0; count--)
        *ptr++ = pixval;
    }
  }
}