From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- modules/woff2/src/glyph.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 modules/woff2/src/glyph.h (limited to 'modules/woff2/src/glyph.h') diff --git a/modules/woff2/src/glyph.h b/modules/woff2/src/glyph.h new file mode 100644 index 0000000000..c38eb5f2bc --- /dev/null +++ b/modules/woff2/src/glyph.h @@ -0,0 +1,71 @@ +/* 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 and I/O for glyph data within sfnt format files for the purpose of + performing the preprocessing step of the WOFF 2.0 conversion. */ + +#ifndef WOFF2_GLYPH_H_ +#define WOFF2_GLYPH_H_ + +#include +#include + +#include +#include + +namespace woff2 { + +// Represents a parsed simple or composite glyph. The composite glyph data and +// instructions are un-parsed and we keep only pointers to the raw data, +// therefore the glyph is valid only so long the data from which it was parsed +// is around. +class Glyph { + public: + Glyph() + : instructions_size(0), + overlap_simple_flag_set(false), + composite_data_size(0) {} + + // Bounding box. + int16_t x_min; + int16_t x_max; + int16_t y_min; + int16_t y_max; + + // Instructions. + uint16_t instructions_size; + const uint8_t* instructions_data; + + // Flags. + bool overlap_simple_flag_set; + + // Data model for simple glyphs. + struct Point { + int x; + int y; + bool on_curve; + }; + std::vector > contours; + + // Data for composite glyphs. + const uint8_t* composite_data; + uint32_t composite_data_size; + bool have_instructions; +}; + +// Parses the glyph from the given data. Returns false on parsing failure or +// buffer overflow. The glyph is valid only so long the input data pointer is +// valid. +bool ReadGlyph(const uint8_t* data, size_t len, Glyph* glyph); + +// Stores the glyph into the specified dst buffer. The *dst_size is the buffer +// size on entry and is set to the actual (unpadded) stored size on exit. +// Returns false on buffer overflow. +bool StoreGlyph(const Glyph& glyph, uint8_t* dst, size_t* dst_size); + +} // namespace woff2 + +#endif // WOFF2_GLYPH_H_ -- cgit v1.2.3