Attachment 21207 Details for Bug 57043

[patch] libpng-1.0.15-transfix.patch

libpng-1.0.15-transfix.patch (text/plain), 1.92 KB, created by Thomas Biege on 2004-06-15 22:39:49 UTC

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Creator: Thomas Biege

Created: 2004-06-15 22:39:49 UTC

Size: 1.92 KB

patch

obsolete

>--- libpng-1.0.15/pngrtran.c.transfix	2004-06-14 09:44:56.000000000 -0400
>+++ libpng-1.0.15/pngrtran.c	2004-06-14 09:48:10.000000000 -0400
>@@ -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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Attachments on bug 57043: 21207 | 21210 | 21211