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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.h b/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.h deleted file mode 100644 index 7b8ddddc5a1..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/font.h +++ /dev/null @@ -1,105 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Data model for a font file in sfnt format, reading and writing functions and - accessors for the glyph data. */ - -#ifndef WOFF2_FONT_H_ -#define WOFF2_FONT_H_ - -#include <stddef.h> -#include <inttypes.h> -#include <map> -#include <vector> - -namespace woff2 { - -// Represents an sfnt font file. Only the table directory is parsed, for the -// table data we only store a raw pointer, therefore a font object is valid only -// as long the data from which it was parsed is around. -struct Font { - uint32_t flavor; - uint16_t num_tables; - - struct Table { - uint32_t tag; - uint32_t checksum; - uint32_t offset; - uint32_t length; - const uint8_t* data; - - // Buffer used to mutate the data before writing out. - std::vector<uint8_t> buffer; - - // If we've seen this tag/offset before, pointer to the first time we saw it - // If this is the first time we've seen this table, NULL - // Intended use is to bypass re-processing tables - Font::Table* reuse_of; - - uint8_t flag_byte; - - // Is this table reused by a TTC - bool IsReused() const; - }; - std::map<uint32_t, Table> tables; - std::vector<uint32_t> OutputOrderedTags() const; - - Table* FindTable(uint32_t tag); - const Table* FindTable(uint32_t tag) const; -}; - -// Accomodates both singular (OTF, TTF) and collection (TTC) fonts -struct FontCollection { - uint32_t flavor; - uint32_t header_version; - // (offset, first use of table*) pairs - std::map<uint32_t, Font::Table*> tables; - std::vector<Font> fonts; -}; - -// Parses the font from the given data. Returns false on parsing failure or -// buffer overflow. The font is valid only so long the input data pointer is -// valid. Does NOT support collections. -bool ReadFont(const uint8_t* data, size_t len, Font* font); - -// Parses the font from the given data. Returns false on parsing failure or -// buffer overflow. The font is valid only so long the input data pointer is -// valid. Supports collections. -bool ReadFontCollection(const uint8_t* data, size_t len, FontCollection* fonts); - -// Returns the file size of the font. -size_t FontFileSize(const Font& font); -size_t FontCollectionFileSize(const FontCollection& font); - -// Writes the font into the specified dst buffer. The dst_size should be the -// same as returned by FontFileSize(). Returns false upon buffer overflow (which -// should not happen if dst_size was computed by FontFileSize()). -bool WriteFont(const Font& font, uint8_t* dst, size_t dst_size); -// Write the font at a specific offset -bool WriteFont(const Font& font, size_t* offset, uint8_t* dst, size_t dst_size); - -bool WriteFontCollection(const FontCollection& font_collection, uint8_t* dst, - size_t dst_size); - -// Returns the number of glyphs in the font. -// NOTE: Currently this works only for TrueType-flavored fonts, will return -// zero for CFF-flavored fonts. -int NumGlyphs(const Font& font); - -// Returns the index format of the font -int IndexFormat(const Font& font); - -// Sets *glyph_data and *glyph_size to point to the location of the glyph data -// with the given index. Returns false if the glyph is not found. -bool GetGlyphData(const Font& font, int glyph_index, - const uint8_t** glyph_data, size_t* glyph_size); - -// Removes the digital signature (DSIG) table -bool RemoveDigitalSignature(Font* font); - -} // namespace woff2 - -#endif // WOFF2_FONT_H_ |