| /* Copyright 2013 Google Inc. All Rights Reserved. | |
| Distributed under MIT license. | |
| See file LICENSE for detail or copy at https://opensource.org/licenses/MIT | |
| */ | |
| /* Functions for normalizing fonts. Since the WOFF 2.0 decoder creates font | |
| files in normalized form, the WOFF 2.0 conversion is guaranteed to be | |
| lossless (in a bitwise sense) only for normalized font files. */ | |
| #ifndef WOFF2_NORMALIZE_H_ | |
| #define WOFF2_NORMALIZE_H_ | |
| namespace woff2 { | |
| struct Font; | |
| struct FontCollection; | |
| // Changes the offset fields of the table headers so that the data for the | |
| // tables will be written in order of increasing tag values, without any gaps | |
| // other than the 4-byte padding. | |
| bool NormalizeOffsets(Font* font); | |
| // Changes the checksum fields of the table headers and the checksum field of | |
| // the head table so that it matches the current data. | |
| bool FixChecksums(Font* font); | |
| // Parses each of the glyphs in the font and writes them again to the glyf | |
| // table in normalized form, as defined by the StoreGlyph() function. Changes | |
| // the loca table accordigly. | |
| bool NormalizeGlyphs(Font* font); | |
| // Performs all of the normalization steps above. | |
| bool NormalizeFont(Font* font); | |
| bool NormalizeFontCollection(FontCollection* font_collection); | |
| } // namespace woff2 | |
| #endif // WOFF2_NORMALIZE_H_ |