diff options
Diffstat (limited to 'jpeg/jcprepct.c')
| -rw-r--r-- | jpeg/jcprepct.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/jpeg/jcprepct.c b/jpeg/jcprepct.c index be44cc4b..586964bd 100644 --- a/jpeg/jcprepct.c +++ b/jpeg/jcprepct.c @@ -2,6 +2,7 @@ * jcprepct.c * * Copyright (C) 1994-1996, Thomas G. Lane. + * Modified 2003-2020 by Guido Vollbeding. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * @@ -109,7 +110,8 @@ expand_bottom_edge (JSAMPARRAY image_data, JDIMENSION num_cols, register int row; for (row = input_rows; row < output_rows; row++) { - jcopy_sample_rows(image_data, input_rows-1, image_data, row, + jcopy_sample_rows(image_data + input_rows - 1, + image_data + row, 1, num_cols); } } @@ -220,8 +222,8 @@ pre_process_context (j_compress_ptr cinfo, for (ci = 0; ci < cinfo->num_components; ci++) { int row; for (row = 1; row <= cinfo->max_v_samp_factor; row++) { - jcopy_sample_rows(prep->color_buf[ci], 0, - prep->color_buf[ci], -row, + jcopy_sample_rows(prep->color_buf[ci], + prep->color_buf[ci] - row, 1, cinfo->image_width); } } @@ -277,10 +279,9 @@ create_context_buffer (j_compress_ptr cinfo) /* Grab enough space for fake row pointers for all the components; * we need five row groups' worth of pointers for each component. */ - fake_buffer = (JSAMPARRAY) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (cinfo->num_components * 5 * rgroup_height) * - SIZEOF(JSAMPROW)); + fake_buffer = (JSAMPARRAY) (*cinfo->mem->alloc_small) + ((j_common_ptr) cinfo, JPOOL_IMAGE, + (cinfo->num_components * 5 * rgroup_height) * SIZEOF(JSAMPROW)); for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; ci++, compptr++) { @@ -324,10 +325,9 @@ jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer) if (need_full_buffer) /* safety check */ ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - prep = (my_prep_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_prep_controller)); - cinfo->prep = (struct jpeg_c_prep_controller *) prep; + prep = (my_prep_ptr) (*cinfo->mem->alloc_small) + ((j_common_ptr) cinfo, JPOOL_IMAGE, SIZEOF(my_prep_controller)); + cinfo->prep = &prep->pub; prep->pub.start_pass = start_pass_prep; /* Allocate the color conversion buffer. |