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Diffstat (limited to 'gfx/harfbuzz/src/hb-ot-post-table.hh')
| -rw-r--r-- | gfx/harfbuzz/src/hb-ot-post-table.hh | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/gfx/harfbuzz/src/hb-ot-post-table.hh b/gfx/harfbuzz/src/hb-ot-post-table.hh new file mode 100644 index 000000000..82ab3882a --- /dev/null +++ b/gfx/harfbuzz/src/hb-ot-post-table.hh @@ -0,0 +1,119 @@ +/* + * Copyright © 2016 Google, Inc. + * + * This is part of HarfBuzz, a text shaping library. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + * + * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN + * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, + * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO + * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. + * + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_OT_POST_TABLE_HH +#define HB_OT_POST_TABLE_HH + +#include "hb-open-type-private.hh" + + +namespace OT { + + +/* + * post -- PostScript + */ + +#define HB_OT_TAG_post HB_TAG('p','o','s','t') + + +struct postV2Tail +{ + inline bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + return_trace (numberOfGlyphs.sanitize (c) && + c->check_array (glyphNameIndex, sizeof (USHORT), numberOfGlyphs)); + } + + USHORT numberOfGlyphs; /* Number of glyphs (this should be the + * same as numGlyphs in 'maxp' table). */ + USHORT glyphNameIndex[VAR]; /* This is not an offset, but is the + * ordinal number of the glyph in 'post' + * string tables. */ + BYTE namesX[VAR]; /* Glyph names with length bytes [variable] + * (a Pascal string). */ + + DEFINE_SIZE_ARRAY2 (2, glyphNameIndex, namesX); +}; + +struct post +{ + static const hb_tag_t tableTag = HB_OT_TAG_post; + + inline bool sanitize (hb_sanitize_context_t *c) const + { + TRACE_SANITIZE (this); + if (unlikely (!c->check_struct (this))) + return_trace (false); + if (version.to_int () == 0x00020000) + { + const postV2Tail &v2 = StructAfter<postV2Tail>(*this); + return_trace (v2.sanitize (c)); + } + return_trace (true); + } + + public: + FixedVersion<>version; /* 0x00010000 for version 1.0 + * 0x00020000 for version 2.0 + * 0x00025000 for version 2.5 (deprecated) + * 0x00030000 for version 3.0 */ + Fixed italicAngle; /* Italic angle in counter-clockwise degrees + * from the vertical. Zero for upright text, + * negative for text that leans to the right + * (forward). */ + FWORD underlinePosition; /* This is the suggested distance of the top + * of the underline from the baseline + * (negative values indicate below baseline). + * The PostScript definition of this FontInfo + * dictionary key (the y coordinate of the + * center of the stroke) is not used for + * historical reasons. The value of the + * PostScript key may be calculated by + * subtracting half the underlineThickness + * from the value of this field. */ + FWORD underlineThickness; /* Suggested values for the underline + thickness. */ + ULONG isFixedPitch; /* Set to 0 if the font is proportionally + * spaced, non-zero if the font is not + * proportionally spaced (i.e. monospaced). */ + ULONG minMemType42; /* Minimum memory usage when an OpenType font + * is downloaded. */ + ULONG maxMemType42; /* Maximum memory usage when an OpenType font + * is downloaded. */ + ULONG minMemType1; /* Minimum memory usage when an OpenType font + * is downloaded as a Type 1 font. */ + ULONG maxMemType1; /* Maximum memory usage when an OpenType font + * is downloaded as a Type 1 font. */ +/*postV2Tail v2[VAR];*/ + DEFINE_SIZE_STATIC (32); +}; + +} /* namespace OT */ + + +#endif /* HB_OT_POST_TABLE_HH */ |