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authorRyan Harrison <rharrison@chromium.org>2018-09-04 18:58:21 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-09-04 18:58:21 +0000
commit6b2e2f0ec7c5f629c5270d14c2339197af7392d8 (patch)
treebb043a95cb8470b25158d3671c9484a156e30d14 /third_party/libpng16/pngstruct.h
parentd8b5feae1180185b7d1a41682b2b1a565dd5c630 (diff)
downloadpdfium-6b2e2f0ec7c5f629c5270d14c2339197af7392d8.tar.xz
Update libpng from 1.6.22 -> 1.6.34
Updates third_party/libpng16 to Chromium's third_party/libpng @ e87a02987101e2dbe319a4aba6b52470f7624b4a and applies PDFium specific patches. BUG=chromium:880322 Change-Id: I6724f55099c70a79da6d6e4863b9c6c9157ec571 Reviewed-on: https://pdfium-review.googlesource.com/41910 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'third_party/libpng16/pngstruct.h')
-rw-r--r--third_party/libpng16/pngstruct.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/third_party/libpng16/pngstruct.h b/third_party/libpng16/pngstruct.h
index c1f35edef5..aac88df02d 100644
--- a/third_party/libpng16/pngstruct.h
+++ b/third_party/libpng16/pngstruct.h
@@ -1,8 +1,8 @@
/* pngstruct.h - header file for PNG reference library
*
- * Last changed in libpng 1.6.18 [July 23, 2015]
- * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
+ * Last changed in libpng 1.6.32 [August 24, 2017]
+ * Copyright (c) 1998-2002,2004,2006-2017 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.)
*
@@ -228,6 +228,10 @@ struct png_struct_def
* big_row_buf; while writing it is separately
* allocated.
*/
+#ifdef PNG_READ_EXPAND_SUPPORTED
+ /* Buffer to accelerate palette transformations. */
+ png_bytep riffled_palette;
+#endif
#ifdef PNG_WRITE_FILTER_SUPPORTED
png_bytep try_row; /* buffer to save trial row when filtering */
png_bytep tst_row; /* buffer to save best trial row when filtering */
@@ -249,7 +253,7 @@ struct png_struct_def
png_byte filter; /* file filter type (always 0) */
png_byte interlaced; /* PNG_INTERLACE_NONE, PNG_INTERLACE_ADAM7 */
png_byte pass; /* current interlace pass (0 - 6) */
- png_byte do_filter; /* row filter flags (see PNG_FILTER_ below ) */
+ png_byte do_filter; /* row filter flags (see PNG_FILTER_ in png.h ) */
png_byte color_type; /* color type of file */
png_byte bit_depth; /* bit depth of file */
png_byte usr_bit_depth; /* bit depth of users row: write only */
@@ -263,7 +267,7 @@ struct png_struct_def
/* pixel depth used for the row buffers */
png_byte transformed_pixel_depth;
/* pixel depth after read/write transforms */
-#if PNG_ZLIB_VERNUM >= 0x1240
+#if ZLIB_VERNUM >= 0x1240
png_byte zstream_start; /* at start of an input zlib stream */
#endif /* Zlib >= 1.2.4 */
#if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)
@@ -353,7 +357,7 @@ struct png_struct_def
/* Options */
#ifdef PNG_SET_OPTION_SUPPORTED
- png_byte options; /* On/off state (up to 4 options) */
+ png_uint_32 options; /* On/off state (up to 16 options) */
#endif
#if PNG_LIBPNG_VER < 10700