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authorGlenn Randers-Pehrson <glennrp at users.sourceforge.net>2004-09-11 21:17:42 -0500
committerGlenn Randers-Pehrson <glennrp at users.sourceforge.net>2011-09-03 12:23:18 -0500
commitdf8fc6680e8b0fbcd78a44cddb285161e3dc5225 (patch)
treec3ddc9ac1c30edbb4e10918aa2717e9bb7a774e4 /pngrtran.c
parentf47b4b1bf7c6fc0a0824fad91f9dd2a80fc80c18 (diff)
downloadlibpng-df8fc6680e8b0fbcd78a44cddb285161e3dc5225.tar.gz
[libpng10] Imported from libpng-1.0.17.tarv1.0.17
Diffstat (limited to 'pngrtran.c')
-rw-r--r--pngrtran.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/pngrtran.c b/pngrtran.c
index 7894e391e..d6c483f40 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -1,7 +1,7 @@
/* pngrtran.c - transforms the data in a row for PNG readers
*
- * libpng version 1.0.16 - August 15, 2004
+ * libpng version 1.0.17 - September 12, 2004
* For conditions of distribution and use, see copyright notice in png.h
* Copyright (c) 1998-2004 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@@ -1135,8 +1135,10 @@ png_read_transform_info(png_structp png_ptr, png_infop info_ptr)
(info_ptr->color_type == PNG_COLOR_TYPE_GRAY)))
{
info_ptr->channels++;
-#if 0 /* if adding a true alpha channel not just filler */
- info_ptr->color_type |= PNG_COLOR_MASK_ALPHA;
+ /* if adding a true alpha channel not just filler */
+#if !defined(PNG_1_0_X)
+ if (png_ptr->transformations & PNG_ADD_ALPHA)
+ info_ptr->color_type |= PNG_COLOR_MASK_ALPHA;
#endif
}
#endif
@@ -1927,7 +1929,6 @@ png_do_read_filler(png_row_infop row_info, png_bytep row,
row_info->rowbytes = row_width * 4;
}
}
- row_info->color_type |= PNG_COLOR_MASK_ALPHA;
} /* COLOR_TYPE == GRAY */
else if (row_info->color_type == PNG_COLOR_TYPE_RGB)
{
@@ -2012,7 +2013,6 @@ png_do_read_filler(png_row_infop row_info, png_bytep row,
row_info->rowbytes = row_width * 8;
}
}
- row_info->color_type |= PNG_COLOR_MASK_ALPHA;
} /* COLOR_TYPE == RGB */
}
#endif