зеркало из https://github.com/mozilla/gecko-dev.git
139 строки
4.3 KiB
C++
139 строки
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_FT2FONTLIST_H
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#define GFX_FT2FONTLIST_H
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#ifdef XP_WIN
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#include "gfxWindowsPlatform.h"
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#include <windows.h>
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#endif
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#include "gfxPlatformFontList.h"
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namespace mozilla {
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namespace dom {
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class FontListEntry;
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};
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};
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using mozilla::dom::FontListEntry;
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class FontNameCache;
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typedef struct FT_FaceRec_* FT_Face;
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class FT2FontEntry : public gfxFontEntry
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{
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public:
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FT2FontEntry(const nsAString& aFaceName) :
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gfxFontEntry(aFaceName)
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{
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mFTFace = nullptr;
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mFontFace = nullptr;
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mFTFontIndex = 0;
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}
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~FT2FontEntry();
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const nsString& GetName() const {
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return Name();
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}
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// create a font entry for a downloaded font
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static FT2FontEntry*
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CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
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const uint8_t *aFontData, uint32_t aLength);
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// create a font entry representing an installed font, identified by
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// a FontListEntry; the freetype and cairo faces will not be instantiated
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// until actually needed
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static FT2FontEntry*
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CreateFontEntry(const FontListEntry& aFLE);
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// Create a font entry for a given freetype face; if it is an installed font,
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// also record the filename and index
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// aFontData (if non-NULL) is NS_Malloc'ed data that aFace depends on,
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// to be freed after the face is destroyed
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static FT2FontEntry*
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CreateFontEntry(FT_Face aFace, const char *aFilename, uint8_t aIndex,
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const nsAString& aName,
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const uint8_t *aFontData = nullptr);
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virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle,
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bool aNeedsBold);
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cairo_font_face_t *CairoFontFace();
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cairo_scaled_font_t *CreateScaledFont(const gfxFontStyle *aStyle);
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nsresult ReadCMAP();
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nsresult GetFontTable(uint32_t aTableTag, FallibleTArray<uint8_t>& aBuffer);
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// Check for various kinds of brokenness, and set flags on the entry
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// accordingly so that we avoid using bad font tables
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void CheckForBrokenFont(gfxFontFamily *aFamily);
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virtual void SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf,
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FontListSizes* aSizes) const;
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virtual void SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf,
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FontListSizes* aSizes) const;
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FT_Face mFTFace;
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cairo_font_face_t *mFontFace;
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nsCString mFilename;
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uint8_t mFTFontIndex;
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};
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class FT2FontFamily : public gfxFontFamily
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{
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public:
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FT2FontFamily(const nsAString& aName) :
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gfxFontFamily(aName) { }
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// Append this family's faces to the IPC fontlist
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void AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList);
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};
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class gfxFT2FontList : public gfxPlatformFontList
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{
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public:
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gfxFT2FontList();
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virtual gfxFontFamily* GetDefaultFont(const gfxFontStyle* aStyle);
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virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
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const nsAString& aFontName);
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virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
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const uint8_t *aFontData,
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uint32_t aLength);
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void GetFontList(InfallibleTArray<FontListEntry>* retValue);
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static gfxFT2FontList* PlatformFontList() {
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return static_cast<gfxFT2FontList*>(gfxPlatformFontList::PlatformFontList());
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}
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protected:
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virtual nsresult InitFontList();
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void AppendFaceFromFontListEntry(const FontListEntry& aFLE,
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bool isStdFile);
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void AppendFacesFromFontFile(nsCString& aFileName,
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bool isStdFile = false,
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FontNameCache *aCache = nullptr);
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void AppendFacesFromCachedFaceList(nsCString& aFileName,
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bool isStdFile,
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nsCString& aFaceList);
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void FindFonts();
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#ifdef ANDROID
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void FindFontsInDir(const nsCString& aDir, FontNameCache* aFNC);
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#endif
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};
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#endif /* GFX_FT2FONTLIST_H */
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