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$NetBSD: patch-ac,v 1.2 2002/12/20 17:54:28 fredb Exp $
--- pngrtran.c.orig Thu Oct 3 06:32:29 2002
+++ pngrtran.c
@@ -1889,8 +1889,8 @@
/* This changes the data from GG to GGXX */
if (flags & PNG_FLAG_FILLER_AFTER)
{
- png_bytep sp = row + (png_size_t)row_width;
- png_bytep dp = sp + (png_size_t)row_width;
+ png_bytep sp = row + (png_size_t)row_width * 2;
+ png_bytep dp = sp + (png_size_t)row_width * 2;
for (i = 1; i < row_width; i++)
{
*(--dp) = hi_filler;
@@ -1907,8 +1907,8 @@
/* This changes the data from GG to XXGG */
else
{
- png_bytep sp = row + (png_size_t)row_width;
- png_bytep dp = sp + (png_size_t)row_width;
+ png_bytep sp = row + (png_size_t)row_width * 2;
+ png_bytep dp = sp + (png_size_t)row_width * 2;
for (i = 0; i < row_width; i++)
{
*(--dp) = *(--sp);
@@ -1965,8 +1965,8 @@
/* This changes the data from RRGGBB to RRGGBBXX */
if (flags & PNG_FLAG_FILLER_AFTER)
{
- png_bytep sp = row + (png_size_t)row_width * 3;
- png_bytep dp = sp + (png_size_t)row_width;
+ png_bytep sp = row + (png_size_t)row_width * 6;
+ png_bytep dp = sp + (png_size_t)row_width * 2;
for (i = 1; i < row_width; i++)
{
*(--dp) = hi_filler;
@@ -1987,8 +1987,8 @@
/* This changes the data from RRGGBB to XXRRGGBB */
else
{
- png_bytep sp = row + (png_size_t)row_width * 3;
- png_bytep dp = sp + (png_size_t)row_width;
+ png_bytep sp = row + (png_size_t)row_width * 6;
+ png_bytep dp = sp + (png_size_t)row_width * 2;
for (i = 0; i < row_width; i++)
{
*(--dp) = *(--sp);
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