diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh | 63 |
1 files changed, 38 insertions, 25 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh b/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh index dd4349ef85..3c0bb3d6dd 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh +++ b/src/3rdparty/harfbuzz-ng/src/hb-ot-head-table.hh @@ -29,30 +29,45 @@ #ifndef HB_OT_HEAD_TABLE_HH #define HB_OT_HEAD_TABLE_HH -#include "hb-open-type-private.hh" - - -namespace OT { - +#include "hb-open-type.hh" /* * head -- Font Header + * https://docs.microsoft.com/en-us/typography/opentype/spec/head */ - #define HB_OT_TAG_head HB_TAG('h','e','a','d') + +namespace OT { + + struct head { - static const hb_tag_t tableTag = HB_OT_TAG_head; + friend struct OffsetTable; - inline unsigned int get_upem (void) const + static constexpr hb_tag_t tableTag = HB_OT_TAG_head; + + unsigned int get_upem () const { unsigned int upem = unitsPerEm; /* If no valid head table found, assume 1000, which matches typical Type1 usage. */ return 16 <= upem && upem <= 16384 ? upem : 1000; } - inline bool sanitize (hb_sanitize_context_t *c) const + enum mac_style_flag_t { + BOLD = 1u<<0, + ITALIC = 1u<<1, + UNDERLINE = 1u<<2, + OUTLINE = 1u<<3, + SHADOW = 1u<<4, + CONDENSED = 1u<<5 + }; + + bool is_bold () const { return macStyle & BOLD; } + bool is_italic () const { return macStyle & ITALIC; } + bool is_condensed () const { return macStyle & CONDENSED; } + + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); return_trace (c->check_struct (this) && @@ -64,11 +79,11 @@ struct head FixedVersion<>version; /* Version of the head table--currently * 0x00010000u for version 1.0. */ FixedVersion<>fontRevision; /* Set by font manufacturer. */ - UINT32 checkSumAdjustment; /* To compute: set it to 0, sum the - * entire font as UINT32, then store + HBUINT32 checkSumAdjustment; /* To compute: set it to 0, sum the + * entire font as HBUINT32, then store * 0xB1B0AFBAu - sum. */ - UINT32 magicNumber; /* Set to 0x5F0F3CF5u. */ - UINT16 flags; /* Bit 0: Baseline for font at y=0; + HBUINT32 magicNumber; /* Set to 0x5F0F3CF5u. */ + HBUINT16 flags; /* Bit 0: Baseline for font at y=0; * Bit 1: Left sidebearing point at x=0; * Bit 2: Instructions may depend on point size; * Bit 3: Force ppem to integer values for all @@ -76,7 +91,6 @@ struct head * ppem sizes if this bit is clear; * Bit 4: Instructions may alter advance width * (the advance widths might not scale linearly); - * Bits 5-10: These should be set according to * Apple's specification. However, they are not * implemented in OpenType. @@ -96,7 +110,6 @@ struct head * contains any strong right-to-left glyphs. * Bit 10: This bit should be set if the font * contains Indic-style rearrangement effects. - * Bit 11: Font data is 'lossless,' as a result * of having been compressed and decompressed * with the Agfa MicroType Express engine. @@ -114,18 +127,18 @@ struct head * encoded in the cmap subtables represent proper * support for those code points. * Bit 15: Reserved, set to 0. */ - UINT16 unitsPerEm; /* Valid range is from 16 to 16384. This value + HBUINT16 unitsPerEm; /* Valid range is from 16 to 16384. This value * should be a power of 2 for fonts that have * TrueType outlines. */ LONGDATETIME created; /* Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer */ LONGDATETIME modified; /* Number of seconds since 12:00 midnight, January 1, 1904. 64-bit integer */ - INT16 xMin; /* For all glyph bounding boxes. */ - INT16 yMin; /* For all glyph bounding boxes. */ - INT16 xMax; /* For all glyph bounding boxes. */ - INT16 yMax; /* For all glyph bounding boxes. */ - UINT16 macStyle; /* Bit 0: Bold (if set to 1); + HBINT16 xMin; /* For all glyph bounding boxes. */ + HBINT16 yMin; /* For all glyph bounding boxes. */ + HBINT16 xMax; /* For all glyph bounding boxes. */ + HBINT16 yMax; /* For all glyph bounding boxes. */ + HBUINT16 macStyle; /* Bit 0: Bold (if set to 1); * Bit 1: Italic (if set to 1) * Bit 2: Underline (if set to 1) * Bit 3: Outline (if set to 1) @@ -133,16 +146,16 @@ struct head * Bit 5: Condensed (if set to 1) * Bit 6: Extended (if set to 1) * Bits 7-15: Reserved (set to 0). */ - UINT16 lowestRecPPEM; /* Smallest readable size in pixels. */ - INT16 fontDirectionHint; /* Deprecated (Set to 2). + HBUINT16 lowestRecPPEM; /* Smallest readable size in pixels. */ + HBINT16 fontDirectionHint; /* Deprecated (Set to 2). * 0: Fully mixed directional glyphs; * 1: Only strongly left to right; * 2: Like 1 but also contains neutrals; * -1: Only strongly right to left; * -2: Like -1 but also contains neutrals. */ public: - INT16 indexToLocFormat; /* 0 for short offsets, 1 for long. */ - INT16 glyphDataFormat; /* 0 for current format. */ + HBUINT16 indexToLocFormat; /* 0 for short offsets, 1 for long. */ + HBUINT16 glyphDataFormat; /* 0 for current format. */ DEFINE_SIZE_STATIC (54); }; |