diff options
Diffstat (limited to 'src/3rdparty/libpng/pngrtran.c')
-rw-r--r-- | src/3rdparty/libpng/pngrtran.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/3rdparty/libpng/pngrtran.c b/src/3rdparty/libpng/pngrtran.c index 0b4f4f9068..9a30ddf22b 100644 --- a/src/3rdparty/libpng/pngrtran.c +++ b/src/3rdparty/libpng/pngrtran.c @@ -1,8 +1,8 @@ /* pngrtran.c - transforms the data in a row for PNG readers * - * Last changed in libpng 1.6.24 [August 4, 2016] - * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson + * Last changed in libpng 1.6.31 [July 27, 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.) * @@ -49,6 +49,7 @@ png_set_crc_action(png_structrp png_ptr, int crit_action, int ancil_action) case PNG_CRC_WARN_DISCARD: /* Not a valid action for critical data */ png_warning(png_ptr, "Can't discard critical data on CRC error"); + /* FALLTHROUGH */ case PNG_CRC_ERROR_QUIT: /* Error/quit */ case PNG_CRC_DEFAULT: @@ -1253,7 +1254,7 @@ png_init_rgb_transformations(png_structrp png_ptr) default: case 8: - /* FALL THROUGH (Already 8 bits) */ + /* FALLTHROUGH */ /* (Already 8 bits) */ case 16: /* Already a full 16 bits */ @@ -2934,7 +2935,7 @@ png_do_gray_to_rgb(png_row_infop row_info, png_bytep row) * using the equation given in Poynton's ColorFAQ of 1998-01-04 at * <http://www.inforamp.net/~poynton/> (THIS LINK IS DEAD June 2008 but * versions dated 1998 through November 2002 have been archived at - * http://web.archive.org/web/20000816232553/http://www.inforamp.net/ + * https://web.archive.org/web/20000816232553/www.inforamp.net/ * ~poynton/notes/colour_and_gamma/ColorFAQ.txt ) * Charles Poynton poynton at poynton.com * @@ -4302,7 +4303,7 @@ png_do_expand_palette(png_row_infop row_info, png_bytep row, if (num_trans > 0) { sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width << 2) - 1; + dp = row + ((png_size_t)row_width << 2) - 1; for (i = 0; i < row_width; i++) { @@ -4463,7 +4464,7 @@ png_do_expand(png_row_infop row_info, png_bytep row, { gray = gray & 0xff; sp = row + (png_size_t)row_width - 1; - dp = row + (png_size_t)(row_width << 1) - 1; + dp = row + ((png_size_t)row_width << 1) - 1; for (i = 0; i < row_width; i++) { @@ -4519,7 +4520,7 @@ png_do_expand(png_row_infop row_info, png_bytep row, png_byte green = (png_byte)(trans_color->green & 0xff); png_byte blue = (png_byte)(trans_color->blue & 0xff); sp = row + (png_size_t)row_info->rowbytes - 1; - dp = row + (png_size_t)(row_width << 2) - 1; + dp = row + ((png_size_t)row_width << 2) - 1; for (i = 0; i < row_width; i++) { if (*(sp - 2) == red && *(sp - 1) == green && *(sp) == blue) @@ -4542,7 +4543,7 @@ png_do_expand(png_row_infop row_info, png_bytep row, png_byte green_low = (png_byte)(trans_color->green & 0xff); png_byte blue_low = (png_byte)(trans_color->blue & 0xff); sp = row + row_info->rowbytes - 1; - dp = row + (png_size_t)(row_width << 3) - 1; + dp = row + ((png_size_t)row_width << 3) - 1; for (i = 0; i < row_width; i++) { if (*(sp - 5) == red_high && @@ -4601,7 +4602,9 @@ png_do_expand_16(png_row_infop row_info, png_bytep row) png_byte *sp = row + row_info->rowbytes; /* source, last byte + 1 */ png_byte *dp = sp + row_info->rowbytes; /* destination, end + 1 */ while (dp > sp) - dp[-2] = dp[-1] = *--sp, dp -= 2; + { + dp[-2] = dp[-1] = *--sp; dp -= 2; + } row_info->rowbytes *= 2; row_info->bit_depth = 16; |