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Diffstat (limited to 'plugins/AdvaImg/src/LibPNG/pngread.c')
-rw-r--r--plugins/AdvaImg/src/LibPNG/pngread.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/plugins/AdvaImg/src/LibPNG/pngread.c b/plugins/AdvaImg/src/LibPNG/pngread.c
index 1fe928f37f..2eb07270e1 100644
--- a/plugins/AdvaImg/src/LibPNG/pngread.c
+++ b/plugins/AdvaImg/src/LibPNG/pngread.c
@@ -1,8 +1,8 @@
/* pngread.c - read a PNG file
*
- * Last changed in libpng 1.6.15 [November 20, 2014]
- * Copyright (c) 1998-2014 Glenn Randers-Pehrson
+ * Last changed in libpng 1.6.17 [March 26, 2015]
+ * 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.)
*
@@ -814,8 +814,7 @@ png_read_end(png_structrp png_ptr, png_inforp info_ptr)
/* Zero length IDATs are legal after the last IDAT has been
* read, but not after other chunks have been read.
*/
- if ((length > 0) ||
- (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) != 0)
+ if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) != 0)
png_benign_error(png_ptr, "Too many IDATs found");
png_crc_finish(png_ptr, length);
@@ -1824,6 +1823,7 @@ png_create_colormap_entry(png_image_read_control *display,
y = (y + 128) >> 8;
y *= 255;
y = PNG_sRGB_FROM_LINEAR((y + 64) >> 7);
+ alpha = PNG_DIV257(alpha);
encoding = P_sRGB;
}
@@ -2286,8 +2286,14 @@ png_image_read_colormap(png_voidp argument)
output_processing = PNG_CMAP_NONE;
break;
}
-
+#ifdef __COVERITY__
+ /* Coverity claims that output_encoding cannot be 2 (P_LINEAR)
+ * here.
+ */
+ back_alpha = 255;
+#else
back_alpha = output_encoding == P_LINEAR ? 65535 : 255;
+#endif
}
/* output_processing means that the libpng-processed row will be
@@ -2412,7 +2418,14 @@ png_image_read_colormap(png_voidp argument)
*/
background_index = i;
png_create_colormap_entry(display, i++, back_r, back_g, back_b,
- output_encoding == P_LINEAR ? 65535U : 255U, output_encoding);
+#ifdef __COVERITY__
+ /* Coverity claims that output_encoding cannot be 2 (P_LINEAR)
+ * here.
+ */ 255U,
+#else
+ output_encoding == P_LINEAR ? 65535U : 255U,
+#endif
+ output_encoding);
/* For non-opaque input composite on the sRGB background - this
* requires inverting the encoding for each component. The input
@@ -3246,7 +3259,7 @@ png_image_read_composite(png_voidp argument)
png_uint_32 width = image->width;
ptrdiff_t step_row = display->row_bytes;
unsigned int channels =
- (image->format & PNG_FORMAT_FLAG_COLOR) != 0 ? 3 : 1;
+ (image->format & PNG_FORMAT_FLAG_COLOR) != 0 ? 3 : 1;
int pass;
for (pass = 0; pass < passes; ++pass)