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e326d47e3f
Move font cache maps (face_map_, ttc_face_map_) and FontCacheEntry from CFX_FontMgr to CFX_FontMapper, as they are exclusively used by the mapper. TAG=agy CONV=a7eb1d9a-c49f-4737-82a1-59c7ae6d9d52 Change-Id: Ib93cb3d2795d8676930d97ef684879cf9db03fd9 Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/150751 Commit-Queue: Tom Sepez <tsepez@chromium.org> Reviewed-by: Lei Zhang <thestig@chromium.org>
76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
// Copyright 2016 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXGE_CFX_FONTMGR_H_
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#define CORE_FXGE_CFX_FONTMGR_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <map>
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#include <memory>
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#include "core/fxcrt/observed_ptr.h"
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#include "core/fxcrt/retain_ptr.h"
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#include "core/fxcrt/span.h"
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#include "core/fxge/freetype/fx_freetype.h"
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#if defined(PDF_USE_SKIA)
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#include "third_party/skia/include/core/SkRefCnt.h" // nogncheck
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#endif
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class CFX_Face;
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class CFX_Font;
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class CFX_FontMapper;
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class CFX_GlyphCache;
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#if defined(PDF_USE_SKIA)
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class SkFontMgr;
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class SkTypeface;
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#endif
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class CFX_FontMgr {
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public:
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enum class FontBackend { kFreeType, kFontations }; // Currently skia-only.
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explicit CFX_FontMgr(FontBackend backend);
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~CFX_FontMgr();
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RetainPtr<CFX_GlyphCache> GetGlyphCache(const CFX_Font* font);
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// Always present.
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CFX_FontMapper* GetBuiltinMapper() const { return builtin_mapper_.get(); }
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FXFT_LibraryRec* GetFTLibrary() const { return ft_library_.get(); }
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#if defined(PDF_USE_SKIA)
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FontBackend GetFontBackend() const { return font_backend_; }
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#endif
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bool FTLibrarySupportsHinting() const { return ft_library_supports_hinting_; }
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#if defined(PDF_USE_SKIA)
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sk_sp<SkTypeface> MakeSkTypeface(pdfium::span<const uint8_t> font_span);
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#endif
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private:
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// Must come before `builtin_mapper_`.
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ScopedFXFTLibraryRec const ft_library_;
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#if defined(PDF_USE_SKIA)
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const FontBackend font_backend_;
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sk_sp<SkFontMgr> skia_fontmgr_;
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sk_sp<SkFontMgr> skia_fontmgr_fallback_;
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#endif
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std::unique_ptr<CFX_FontMapper> builtin_mapper_;
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std::map<CFX_Face*, ObservedPtr<CFX_GlyphCache>> glyph_cache_map_;
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const bool ft_library_supports_hinting_;
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};
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#if defined(PDF_USE_SKIA) && defined(PDF_USE_SKIA_CUSTOM_FONT_MANAGER)
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extern sk_sp<SkFontMgr> pdfium_skia_custom_font_manager();
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#endif // defined(PDF_USE_SKIA) && defined(PDF_USE_SKIA_CUSTOM_FONT_MANAGER)
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#endif // CORE_FXGE_CFX_FONTMGR_H_
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