/* * Copyright (c) 2012 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "third_party/blink/renderer/platform/fonts/shaping/harfbuzz_face.h" // clang-format off #include <hb.h> #include <hb-cplusplus.hh> #include <hb-ot.h> // clang-format on #include <memory> #include "base/memory/ptr_util.h" #include "build/build_config.h" #include "third_party/blink/renderer/platform/fonts/font_cache.h" #include "third_party/blink/renderer/platform/fonts/font_global_context.h" #include "third_party/blink/renderer/platform/fonts/font_platform_data.h" #include "third_party/blink/renderer/platform/fonts/shaping/harfbuzz_face_from_typeface.h" #include "third_party/blink/renderer/platform/fonts/shaping/harfbuzz_font_cache.h" #include "third_party/blink/renderer/platform/fonts/shaping/harfbuzz_font_data.h" #include "third_party/blink/renderer/platform/fonts/shaping/harfbuzz_shaper.h" #include "third_party/blink/renderer/platform/fonts/shaping/variation_selector_mode.h" #include "third_party/blink/renderer/platform/fonts/simple_font_data.h" #include "third_party/blink/renderer/platform/fonts/skia/skia_text_metrics.h" #include "third_party/blink/renderer/platform/fonts/unicode_range_set.h" #include "third_party/blink/renderer/platform/resolution_units.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "third_party/blink/renderer/platform/text/character.h" #include "third_party/blink/renderer/platform/wtf/hash_map.h" #include "third_party/blink/renderer/platform/wtf/math_extras.h" #include "third_party/blink/renderer/platform/wtf/text/character_names.h" #include "third_party/blink/renderer/platform/wtf/thread_specific.h" #include "third_party/blink/renderer/platform/wtf/wtf.h" #include "third_party/skia/include/core/SkPaint.h" #include "third_party/skia/include/core/SkPath.h" #include "third_party/skia/include/core/SkPoint.h" #include "third_party/skia/include/core/SkRect.h" #include "third_party/skia/include/core/SkTypeface.h" namespace blink { HarfBuzzFace::HarfBuzzFace(const FontPlatformData* platform_data, uint64_t unique_id) : … { … } void HarfBuzzFace::Trace(Visitor* visitor) const { … } VariationSelectorMode& GetIgnoreVariationSelectorModeRef() { … } VariationSelectorMode HarfBuzzFace::GetVariationSelectorMode() { … } void HarfBuzzFace::SetVariationSelectorMode(VariationSelectorMode value) { … } bool& GetIsSystemFallbackStageRef() { … } bool HarfBuzzFace::GetIsSystemFallbackStage() { … } void HarfBuzzFace::SetIsSystemFallbackStage(bool value) { … } static hb_bool_t HarfBuzzGetGlyph(hb_font_t* hb_font, void* font_data, hb_codepoint_t unicode, hb_codepoint_t variation_selector, hb_codepoint_t* glyph, void* user_data) { … } static hb_bool_t HarfBuzzGetNominalGlyph(hb_font_t* hb_font, void* font_data, hb_codepoint_t unicode, hb_codepoint_t* glyph, void* user_data) { … } static hb_position_t HarfBuzzGetGlyphHorizontalAdvance(hb_font_t* hb_font, void* font_data, hb_codepoint_t glyph, void* user_data) { … } static void HarfBuzzGetGlyphHorizontalAdvances( hb_font_t* font, void* font_data, unsigned count, const hb_codepoint_t* first_glyph, unsigned int glyph_stride, hb_position_t* first_advance, unsigned int advance_stride, void* user_data) { … } static hb_bool_t HarfBuzzGetGlyphVerticalOrigin(hb_font_t* hb_font, void* font_data, hb_codepoint_t glyph, hb_position_t* x, hb_position_t* y, void* user_data) { … } static hb_position_t HarfBuzzGetGlyphVerticalAdvance(hb_font_t* hb_font, void* font_data, hb_codepoint_t glyph, void* user_data) { … } static hb_bool_t HarfBuzzGetGlyphExtents(hb_font_t* hb_font, void* font_data, hb_codepoint_t glyph, hb_glyph_extents_t* extents, void* user_data) { … } static inline bool TableHasSpace(hb_face_t* face, hb_set_t* glyphs, hb_tag_t tag, hb_codepoint_t space) { … } static bool GetSpaceGlyph(hb_font_t* font, hb_codepoint_t& space) { … } bool HarfBuzzFace::HasSpaceInLigaturesOrKerning(TypesettingFeatures features) { … } unsigned HarfBuzzFace::UnitsPerEmFromHeadTable() { … } Glyph HarfBuzzFace::HbGlyphForCharacter(UChar32 character) { … } hb_codepoint_t HarfBuzzFace::HarfBuzzGetGlyphForTesting( UChar32 character, UChar32 variation_selector) { … } bool HarfBuzzFace::ShouldSubpixelPosition() { … } // `HarfBuzzSkiaFontFuncs` is shared hb_font_funcs_t`s among threads for // calculating horizontal advances functions. class HarfBuzzSkiaFontFuncs final { … }; static hb_blob_t* HarfBuzzSkiaGetTable(hb_face_t* face, hb_tag_t tag, void* user_data) { … } // TODO(yosin): We should move |CreateFace()| to "harfbuzz_font_cache.cc". static hb::unique_ptr<hb_face_t> CreateFace( const FontPlatformData* platform_data) { … } namespace { HarfBuzzFontData* CreateHarfBuzzFontData(hb_face_t* face, SkTypeface* typeface) { … } } // namespace HarfBuzzFontData* HarfBuzzFontCache::GetOrCreate( uint64_t unique_id, const FontPlatformData* platform_data) { … } static_assert …; const OpenTypeVerticalData& HarfBuzzFace::VerticalData() const { … } hb_font_t* HarfBuzzFace::GetScaledFont(const UnicodeRangeSet* range_set, VerticalLayoutCallbacks vertical_layout, float specified_size) const { … } hb_font_t* HarfBuzzFace::GetScaledFont() const { … } void HarfBuzzFace::Init() { … } } // namespace blink
Codebase Browser
chromium