--- old/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-ot-head-table.hh 2020-07-21 14:25:38.098861715 -0700 +++ /dev/null 2020-01-23 11:31:37.155195123 -0800 @@ -1,167 +0,0 @@ -/* - * Copyright © 2010 Red Hat, Inc. - * Copyright © 2012 Google, Inc. - * - * 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. - * - * Red Hat Author(s): Behdad Esfahbod - * Google Author(s): Behdad Esfahbod - */ - -#ifndef HB_OT_HEAD_TABLE_HH -#define HB_OT_HEAD_TABLE_HH - -#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 -{ - friend struct OffsetTable; - - 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; - } - - 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) && - version.major == 1 && - magicNumber == 0x5F0F3CF5u); - } - - protected: - FixedVersion<>version; /* Version of the head table--currently - * 0x00010000u for version 1.0. */ - FixedVersion<>fontRevision; /* Set by font manufacturer. */ - HBUINT32 checkSumAdjustment; /* To compute: set it to 0, sum the - * entire font as HBUINT32, then store - * 0xB1B0AFBAu - sum. */ - 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 - * internal scaler math; may use fractional - * 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. - * Bit 5: This bit should be set in fonts that are - * intended to e laid out vertically, and in - * which the glyphs have been drawn such that an - * x-coordinate of 0 corresponds to the desired - * vertical baseline. - * Bit 6: This bit must be set to zero. - * Bit 7: This bit should be set if the font - * requires layout for correct linguistic - * rendering (e.g. Arabic fonts). - * Bit 8: This bit should be set for a GX font - * which has one or more metamorphosis effects - * designated as happening by default. - * Bit 9: This bit should be set if the font - * 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. - * Bit 12: Font converted (produce compatible metrics) - * Bit 13: Font optimized for ClearType™. - * Note, fonts that rely on embedded bitmaps (EBDT) - * for rendering should not be considered optimized - * for ClearType, and therefore should keep this bit - * cleared. - * Bit 14: Last Resort font. If set, indicates that - * the glyphs encoded in the cmap subtables are simply - * generic symbolic representations of code point - * ranges and don’t truly represent support for those - * code points. If unset, indicates that the glyphs - * encoded in the cmap subtables represent proper - * support for those code points. - * Bit 15: Reserved, set to 0. */ - 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 */ - 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) - * Bit 4: Shadow (if set to 1) - * Bit 5: Condensed (if set to 1) - * Bit 6: Extended (if set to 1) - * Bits 7-15: Reserved (set to 0). */ - 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: - HBUINT16 indexToLocFormat; /* 0 for short offsets, 1 for long. */ - HBUINT16 glyphDataFormat; /* 0 for current format. */ - - DEFINE_SIZE_STATIC (54); -}; - - -} /* namespace OT */ - - -#endif /* HB_OT_HEAD_TABLE_HH */ --- /dev/null 2020-01-23 11:31:37.155195123 -0800 +++ new/src/java.desktop/share/native/libharfbuzz/hb-ot-head-table.hh 2020-07-21 14:25:37.842861719 -0700 @@ -0,0 +1,167 @@ +/* + * Copyright © 2010 Red Hat, Inc. + * Copyright © 2012 Google, Inc. + * + * 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. + * + * Red Hat Author(s): Behdad Esfahbod + * Google Author(s): Behdad Esfahbod + */ + +#ifndef HB_OT_HEAD_TABLE_HH +#define HB_OT_HEAD_TABLE_HH + +#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 +{ + friend struct OffsetTable; + + 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; + } + + 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) && + version.major == 1 && + magicNumber == 0x5F0F3CF5u); + } + + protected: + FixedVersion<>version; /* Version of the head table--currently + * 0x00010000u for version 1.0. */ + FixedVersion<>fontRevision; /* Set by font manufacturer. */ + HBUINT32 checkSumAdjustment; /* To compute: set it to 0, sum the + * entire font as HBUINT32, then store + * 0xB1B0AFBAu - sum. */ + 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 + * internal scaler math; may use fractional + * 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. + * Bit 5: This bit should be set in fonts that are + * intended to e laid out vertically, and in + * which the glyphs have been drawn such that an + * x-coordinate of 0 corresponds to the desired + * vertical baseline. + * Bit 6: This bit must be set to zero. + * Bit 7: This bit should be set if the font + * requires layout for correct linguistic + * rendering (e.g. Arabic fonts). + * Bit 8: This bit should be set for a GX font + * which has one or more metamorphosis effects + * designated as happening by default. + * Bit 9: This bit should be set if the font + * 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. + * Bit 12: Font converted (produce compatible metrics) + * Bit 13: Font optimized for ClearType™. + * Note, fonts that rely on embedded bitmaps (EBDT) + * for rendering should not be considered optimized + * for ClearType, and therefore should keep this bit + * cleared. + * Bit 14: Last Resort font. If set, indicates that + * the glyphs encoded in the cmap subtables are simply + * generic symbolic representations of code point + * ranges and don’t truly represent support for those + * code points. If unset, indicates that the glyphs + * encoded in the cmap subtables represent proper + * support for those code points. + * Bit 15: Reserved, set to 0. */ + 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 */ + 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) + * Bit 4: Shadow (if set to 1) + * Bit 5: Condensed (if set to 1) + * Bit 6: Extended (if set to 1) + * Bits 7-15: Reserved (set to 0). */ + 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: + HBUINT16 indexToLocFormat; /* 0 for short offsets, 1 for long. */ + HBUINT16 glyphDataFormat; /* 0 for current format. */ + + DEFINE_SIZE_STATIC (54); +}; + + +} /* namespace OT */ + + +#endif /* HB_OT_HEAD_TABLE_HH */