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Diffstat (limited to 'src/3rdparty/libpng/libpng-manual.txt')
| -rw-r--r-- | src/3rdparty/libpng/libpng-manual.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/3rdparty/libpng/libpng-manual.txt b/src/3rdparty/libpng/libpng-manual.txt index 5dad92fbf7..d856796169 100644 --- a/src/3rdparty/libpng/libpng-manual.txt +++ b/src/3rdparty/libpng/libpng-manual.txt @@ -1,6 +1,6 @@ libpng-manual.txt - A description on how to use and modify libpng - Copyright (c) 2018-2019 Cosmin Truta + Copyright (c) 2018-2022 Cosmin Truta Copyright (c) 1998-2018 Glenn Randers-Pehrson This document is released under the libpng license. @@ -9,9 +9,9 @@ libpng-manual.txt - A description on how to use and modify libpng Based on: - libpng version 1.6.36, December 2018, through 1.6.37 - April 2019 + libpng version 1.6.36, December 2018, through 1.6.39 - November 2022 Updated and distributed by Cosmin Truta - Copyright (c) 2018-2019 Cosmin Truta + Copyright (c) 2018-2022 Cosmin Truta libpng versions 0.97, January 1998, through 1.6.35 - July 2018 Updated and distributed by Glenn Randers-Pehrson @@ -877,7 +877,7 @@ described below (the latter being the two common names for associated alpha color channels). Note that PNG files always contain non-associated color channels; png_set_alpha_mode() with one of the modes causes the decoder to convert the pixels to an associated form before returning them to your -application. +application. Since it is not necessary to perform arithmetic on opaque color values so long as they are not to be resampled and are in the final color space it is @@ -1792,7 +1792,7 @@ the information. If, instead, you want to convert the image to an opaque version with no alpha channel use png_set_background; see below. As of libpng version 1.5.2, almost all useful expansions are supported, the -major ommissions are conversion of grayscale to indexed images (which can be +major omissions are conversion of grayscale to indexed images (which can be done trivially in the application) and conversion of indexed to grayscale (which can be done by a trivial manipulation of the palette.) |