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The Independent JPEG Group's JPEG software v6a

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This commit is contained in:
Thomas G. Lane
1996-02-08 00:00:00 +00:00
committed by Kornel Lesiński
parent 0baf670330
commit 16c97143f3
101 changed files with 2063 additions and 1296 deletions
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22
jcsample.c
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@@ -1,7 +1,7 @@
/*
* jcsample.c
*
* Copyright (C) 1991-1994, Thomas G. Lane.
* Copyright (C) 1991-1996, Thomas G. Lane.
* This file is part of the Independent JPEG Group's software.
* For conditions of distribution and use, see the accompanying README file.
*
@@ -71,7 +71,7 @@ typedef my_downsampler * my_downsample_ptr;
* Initialize for a downsampling pass.
*/
METHODDEF void
METHODDEF(void)
start_pass_downsample (j_compress_ptr cinfo)
{
/* no work for now */
@@ -83,7 +83,7 @@ start_pass_downsample (j_compress_ptr cinfo)
* by duplicating the rightmost samples.
*/
LOCAL void
LOCAL(void)
expand_right_edge (JSAMPARRAY image_data, int num_rows,
JDIMENSION input_cols, JDIMENSION output_cols)
{
@@ -110,7 +110,7 @@ expand_right_edge (JSAMPARRAY image_data, int num_rows,
* In this version we simply downsample each component independently.
*/
METHODDEF void
METHODDEF(void)
sep_downsample (j_compress_ptr cinfo,
JSAMPIMAGE input_buf, JDIMENSION in_row_index,
JSAMPIMAGE output_buf, JDIMENSION out_row_group_index)
@@ -136,7 +136,7 @@ sep_downsample (j_compress_ptr cinfo,
* Note that this version is not actually used for customary sampling ratios.
*/
METHODDEF void
METHODDEF(void)
int_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
@@ -183,7 +183,7 @@ int_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
* without smoothing.
*/
METHODDEF void
METHODDEF(void)
fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
@@ -208,7 +208,7 @@ fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
* alternate pixel locations (a simple ordered dither pattern).
*/
METHODDEF void
METHODDEF(void)
h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
@@ -245,7 +245,7 @@ h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
* without smoothing.
*/
METHODDEF void
METHODDEF(void)
h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
@@ -288,7 +288,7 @@ h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
* with smoothing. One row of context is required.
*/
METHODDEF void
METHODDEF(void)
h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
@@ -388,7 +388,7 @@ h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr,
* with smoothing. One row of context is required.
*/
METHODDEF void
METHODDEF(void)
fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data)
{
@@ -460,7 +460,7 @@ fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr,
* Note that we must select a routine for each component.
*/
GLOBAL void
GLOBAL(void)
jinit_downsampler (j_compress_ptr cinfo)
{
my_downsample_ptr downsample;