| /* |
| * Copyright © 2018 Ebrahim Byagowi |
| * |
| * 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. |
| */ |
| |
| #ifndef HB_OT_COLOR_SVG_TABLE_HH |
| #define HB_OT_COLOR_SVG_TABLE_HH |
| |
| #include "hb-open-type-private.hh" |
| |
| /* |
| * The SVG (Scalable Vector Graphics) table |
| * https://docs.microsoft.com/en-us/typography/opentype/spec/svg |
| */ |
| |
| #define HB_OT_TAG_SVG HB_TAG('S','V','G',' ') |
| |
| namespace OT { |
| |
| |
| struct SVGDocumentIndexEntry |
| { |
| // friend struct SVGDocumentIndex; |
| |
| inline bool sanitize (hb_sanitize_context_t *c, const void* base) const |
| { |
| TRACE_SANITIZE (this); |
| return_trace (c->check_struct (this) && |
| c->check_range (&svgDoc (base), svgDocLength)); |
| } |
| |
| protected: |
| HBUINT16 startGlyphID; /* The first glyph ID in the range described by |
| * this index entry. */ |
| HBUINT16 endGlyphID; /* The last glyph ID in the range described by |
| * this index entry. Must be >= startGlyphID. */ |
| LOffsetTo<const uint8_t *> |
| svgDoc; /* Offset from the beginning of the SVG Document Index |
| * to an SVG document. Must be non-zero. */ |
| HBUINT32 svgDocLength; /* Length of the SVG document. |
| * Must be non-zero. */ |
| public: |
| DEFINE_SIZE_STATIC (12); |
| }; |
| |
| struct SVGDocumentIndex |
| { |
| inline bool sanitize (hb_sanitize_context_t *c) const |
| { |
| TRACE_SANITIZE (this); |
| // dump (); |
| return_trace (c->check_struct (this) && |
| entries.sanitize (c, this)); |
| } |
| |
| // inline void dump () const |
| // { |
| // for (unsigned int i = 0; i < entries.len; ++i) |
| // { |
| // char outName[255]; |
| // sprintf (outName, "out/%d.svg", i); |
| // const SVGDocumentIndexEntry &entry = entries[i]; |
| // FILE *f = fopen (outName, "wb"); |
| // fwrite (&entry.svgDoc (this), 1, entry.svgDocLength, f); |
| // fclose (f); |
| // } |
| // } |
| |
| protected: |
| ArrayOf<SVGDocumentIndexEntry> |
| entries; /* Array of SVG Document Index Entries. */ |
| public: |
| DEFINE_SIZE_ARRAY (2, entries); |
| }; |
| |
| struct SVG |
| { |
| static const hb_tag_t tableTag = HB_OT_TAG_SVG; |
| |
| inline bool sanitize (hb_sanitize_context_t *c) const |
| { |
| TRACE_SANITIZE (this); |
| return_trace (c->check_struct (this) && |
| svgDocIndex(this).sanitize (c)); |
| } |
| |
| protected: |
| HBUINT16 version; /* Table version (starting at 0). */ |
| LOffsetTo<SVGDocumentIndex> |
| svgDocIndex; /* Offset (relative to the start of the SVG table) to the |
| * SVG Documents Index. Must be non-zero. */ |
| HBUINT32 reserved; /* Set to 0. */ |
| public: |
| DEFINE_SIZE_STATIC (10); |
| }; |
| |
| } /* namespace OT */ |
| |
| |
| #endif /* HB_OT_COLOR_SVG_TABLE_HH */ |