diff options
Diffstat (limited to 'Build/source/libs/freetype2/freetype-src/src/base/ftbitmap.c')
-rw-r--r-- | Build/source/libs/freetype2/freetype-src/src/base/ftbitmap.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Build/source/libs/freetype2/freetype-src/src/base/ftbitmap.c b/Build/source/libs/freetype2/freetype-src/src/base/ftbitmap.c index 2146d3e3649..7825895ad6a 100644 --- a/Build/source/libs/freetype2/freetype-src/src/base/ftbitmap.c +++ b/Build/source/libs/freetype2/freetype-src/src/base/ftbitmap.c @@ -4,7 +4,7 @@ * * FreeType utility functions for bitmaps (body). * - * Copyright (C) 2004-2021 by + * Copyright (C) 2004-2022 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -480,7 +480,7 @@ * A gamma of 2.2 is fair to assume. And then, we need to * undo the premultiplication too. * - * https://accessibility.kde.org/hsl-adjusted.php + * http://www.brucelindbloom.com/index.html?WorkingSpaceInfo.html#SideNotes * * We do the computation with integers only, applying a gamma of 2.0. * We guarantee 32-bit arithmetic to avoid overflow but the resulting @@ -488,9 +488,9 @@ * */ - l = ( 4732UL /* 0.0722 * 65536 */ * bgra[0] * bgra[0] + - 46871UL /* 0.7152 * 65536 */ * bgra[1] * bgra[1] + - 13933UL /* 0.2126 * 65536 */ * bgra[2] * bgra[2] ) >> 16; + l = ( 4731UL /* 0.072186 * 65536 */ * bgra[0] * bgra[0] + + 46868UL /* 0.715158 * 65536 */ * bgra[1] * bgra[1] + + 13937UL /* 0.212656 * 65536 */ * bgra[2] * bgra[2] ) >> 16; /* * Final transparency can be determined as follows. |