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| author | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2023-06-09 17:30:54 +0300 |
|---|---|---|
| committer | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2023-06-09 17:30:54 +0300 |
| commit | da6e958319e95fe564d3b30c931492dd666bfaff (patch) | |
| tree | 16ac1556a573daeba5c9c4b795f86aa166ffe467 /src/3rdparty/freetype/include/freetype/ftincrem.h | |
| parent | 29400a683f96867133b28299c0d0bd6bcf40df35 (diff) | |
| parent | a96fc76fa78f3500266b3a34016f9e1bd29b319c (diff) | |
Merge remote-tracking branch 'origin/tqtc/lts-5.15.11' into tqtc/lts-5.15-opensourcev5.15.11-lts-lgpl
Change-Id: Iac056a5e9f59fc8d1929171c18039aeb45be22b8
Diffstat (limited to 'src/3rdparty/freetype/include/freetype/ftincrem.h')
| -rw-r--r-- | src/3rdparty/freetype/include/freetype/ftincrem.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/3rdparty/freetype/include/freetype/ftincrem.h b/src/3rdparty/freetype/include/freetype/ftincrem.h index f67655eda0..3b3d93c2d3 100644 --- a/src/3rdparty/freetype/include/freetype/ftincrem.h +++ b/src/3rdparty/freetype/include/freetype/ftincrem.h @@ -4,7 +4,7 @@ * * FreeType incremental loading (specification). * - * Copyright (C) 2002-2020 by + * Copyright (C) 2002-2022 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -213,9 +213,14 @@ FT_BEGIN_HEADER * * @description: * A function used to retrieve the basic metrics of a given glyph index - * before accessing its data. This is necessary because, in certain - * formats like TrueType, the metrics are stored in a different place - * from the glyph images proper. + * before accessing its data. This allows for handling font types such + * as PCL~XL Format~1, Class~2 downloaded TrueType fonts, where the glyph + * metrics (`hmtx` and `vmtx` tables) are permitted to be omitted from + * the font, and the relevant metrics included in the header of the glyph + * outline data. Importantly, this is not intended to allow custom glyph + * metrics (for example, Postscript Metrics dictionaries), because that + * conflicts with the requirements of outline hinting. Such custom + * metrics must be handled separately, by the calling application. * * @input: * incremental :: @@ -235,7 +240,7 @@ FT_BEGIN_HEADER * * @output: * ametrics :: - * The replacement glyph metrics in font units. + * The glyph metrics in font units. * */ typedef FT_Error @@ -264,7 +269,7 @@ FT_BEGIN_HEADER * * get_glyph_metrics :: * The function to get glyph metrics. May be null if the font does not - * provide overriding glyph metrics. + * require it. * */ typedef struct FT_Incremental_FuncsRec_ |