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Imported from libpng-1.0.5d.tar

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This commit is contained in:
Glenn Randers-Pehrson
1999-11-28 23:32:18 -06:00
parent 5379b24536
commit 074af5e9ca
37 changed files with 422 additions and 185 deletions
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12
pngrutil.c
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@@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* libpng 1.0.5c - November 27, 1999
* libpng 1.0.5d - November 29, 1999
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
* Copyright (c) 1996, 1997 Andreas Dilger
@@ -1713,10 +1713,12 @@ png_do_read_interlace
(png_row_infop row_info, png_bytep row, int pass,
png_uint_32 transformations)
{
#ifdef PNG_USE_LOCAL_ARRAYS
/* arrays to facilitate easy interlacing - use pass (0 - 6) as index */
/* offset to next interlace block */
const int png_pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
#endif
png_debug(1,"in png_do_read_interlace\n");
if (row != NULL && row_info != NULL)
@@ -2056,6 +2058,7 @@ png_read_filter_row
void
png_read_finish_row(png_structp png_ptr)
{
#ifdef PNG_USE_LOCAL_ARRAYS
/* arrays to facilitate easy interlacing - use pass (0 - 6) as index */
/* start of interlace block */
@@ -2069,6 +2072,7 @@ png_read_finish_row(png_structp png_ptr)
/* offset to next interlace block in the y direction */
const int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
#endif
png_debug(1, "in png_read_finish_row\n");
png_ptr->row_number++;
@@ -2110,7 +2114,9 @@ png_read_finish_row(png_structp png_ptr)
if (!(png_ptr->flags & PNG_FLAG_ZLIB_FINISHED))
{
const png_byte png_IDAT[5] = { 73, 68, 65, 84, '\0'};
#ifdef PNG_USE_LOCAL_ARRAYS
PNG_IDAT;
#endif
char extra;
int ret;
@@ -2174,6 +2180,7 @@ png_read_finish_row(png_structp png_ptr)
void
png_read_start_row(png_structp png_ptr)
{
#ifdef PNG_USE_LOCAL_ARRAYS
/* arrays to facilitate easy interlacing - use pass (0 - 6) as index */
/* start of interlace block */
@@ -2187,6 +2194,7 @@ png_read_start_row(png_structp png_ptr)
/* offset to next interlace block in the y direction */
const int png_pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
#endif
int max_pixel_depth;
png_uint_32 row_bytes;