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[libpng17] Work in progress, merging with libpng-1.6.17rc01.

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Glenn Randers-Pehrson
2015-03-04 14:24:54 -06:00
parent 79a332afd0
commit c2f0c9683f
7 changed files with 79 additions and 76 deletions
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17
pngtrans.c
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@@ -1,8 +1,8 @@
/* pngtrans.c - transforms the data in a row (used by both readers and writers)
*
* Last changed in libpng 1.6.15 [November 20, 2014]
* Copyright (c) 1998-2014 Glenn Randers-Pehrson
* Last changed in libpng 1.6.17 [(PENDING RELEASE)]
* Copyright (c) 1998-2015 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@@ -273,7 +273,7 @@ png_do_invert(png_row_infop row_info, png_bytep row)
for (i = 0; i < istop; i++)
{
*rp = (png_byte)(~(*rp));
*rp = (png_byte)((~(*rp)) & 0xff);
rp++;
}
}
@@ -287,7 +287,7 @@ png_do_invert(png_row_infop row_info, png_bytep row)
for (i = 0; i < istop; i += 2)
{
*rp = (png_byte)(~(*rp));
*rp = (png_byte)((~(*rp)) & 0xff);
rp += 2;
}
}
@@ -302,8 +302,8 @@ png_do_invert(png_row_infop row_info, png_bytep row)
for (i = 0; i < istop; i += 4)
{
*rp = (png_byte)(~(*rp));
*(rp + 1) = (png_byte)(~(*(rp + 1)));
*rp = (png_byte)((~(*rp)) & 0xff);
*(rp + 1) = (png_byte)((~(*(rp + 1))) & 0xff);
rp += 4;
}
}
@@ -803,8 +803,9 @@ png_set_user_transform_info(png_structrp png_ptr, png_voidp
#endif
png_ptr->user_transform_ptr = user_transform_ptr;
png_ptr->user_transform_depth = (png_byte)user_transform_depth;
png_ptr->user_transform_channels = (png_byte)user_transform_channels;
png_ptr->user_transform_depth = (png_byte)(user_transform_depth & 0xff);
png_ptr->user_transform_channels =
(png_byte)(user_transform_channels & 0xff);
}
#endif