1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/thebes/gfxFT2FontList.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,163 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef GFX_FT2FONTLIST_H
1.10 +#define GFX_FT2FONTLIST_H
1.11 +
1.12 +#include "mozilla/MemoryReporting.h"
1.13 +
1.14 +#ifdef XP_WIN
1.15 +#include "gfxWindowsPlatform.h"
1.16 +#include <windows.h>
1.17 +#endif
1.18 +#include "gfxPlatformFontList.h"
1.19 +
1.20 +namespace mozilla {
1.21 + namespace dom {
1.22 + class FontListEntry;
1.23 + };
1.24 +};
1.25 +using mozilla::dom::FontListEntry;
1.26 +
1.27 +class FontNameCache;
1.28 +typedef struct FT_FaceRec_* FT_Face;
1.29 +class nsZipArchive;
1.30 +
1.31 +class FT2FontEntry : public gfxFontEntry
1.32 +{
1.33 +public:
1.34 + FT2FontEntry(const nsAString& aFaceName) :
1.35 + gfxFontEntry(aFaceName),
1.36 + mFTFace(nullptr),
1.37 + mFontFace(nullptr),
1.38 + mFTFontIndex(0)
1.39 + {
1.40 + }
1.41 +
1.42 + ~FT2FontEntry();
1.43 +
1.44 + const nsString& GetName() const {
1.45 + return Name();
1.46 + }
1.47 +
1.48 + // create a font entry for a downloaded font
1.49 + static FT2FontEntry*
1.50 + CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
1.51 + const uint8_t *aFontData, uint32_t aLength);
1.52 +
1.53 + // create a font entry representing an installed font, identified by
1.54 + // a FontListEntry; the freetype and cairo faces will not be instantiated
1.55 + // until actually needed
1.56 + static FT2FontEntry*
1.57 + CreateFontEntry(const FontListEntry& aFLE);
1.58 +
1.59 + // Create a font entry for a given freetype face; if it is an installed font,
1.60 + // also record the filename and index.
1.61 + // aFontData (if non-nullptr) is NS_Malloc'ed data that aFace depends on,
1.62 + // to be freed after the face is destroyed
1.63 + static FT2FontEntry*
1.64 + CreateFontEntry(FT_Face aFace,
1.65 + const char *aFilename, uint8_t aIndex,
1.66 + const nsAString& aName,
1.67 + const uint8_t *aFontData = nullptr);
1.68 +
1.69 + virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle,
1.70 + bool aNeedsBold);
1.71 +
1.72 + // Create (if necessary) and return the cairo_font_face for this font.
1.73 + // This may fail and return null, so caller must be prepared to handle this.
1.74 + cairo_font_face_t *CairoFontFace();
1.75 +
1.76 + // Create a cairo_scaled_font for this face, with the given style.
1.77 + // This may fail and return null, so caller must be prepared to handle this.
1.78 + cairo_scaled_font_t *CreateScaledFont(const gfxFontStyle *aStyle);
1.79 +
1.80 + nsresult ReadCMAP(FontInfoData *aFontInfoData = nullptr);
1.81 +
1.82 + virtual hb_blob_t* GetFontTable(uint32_t aTableTag) MOZ_OVERRIDE;
1.83 +
1.84 + virtual nsresult CopyFontTable(uint32_t aTableTag,
1.85 + FallibleTArray<uint8_t>& aBuffer) MOZ_OVERRIDE;
1.86 +
1.87 + // Check for various kinds of brokenness, and set flags on the entry
1.88 + // accordingly so that we avoid using bad font tables
1.89 + void CheckForBrokenFont(gfxFontFamily *aFamily);
1.90 +
1.91 + virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf,
1.92 + FontListSizes* aSizes) const;
1.93 + virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
1.94 + FontListSizes* aSizes) const;
1.95 +
1.96 + FT_Face mFTFace;
1.97 + cairo_font_face_t *mFontFace;
1.98 +
1.99 + nsCString mFilename;
1.100 + uint8_t mFTFontIndex;
1.101 +};
1.102 +
1.103 +class FT2FontFamily : public gfxFontFamily
1.104 +{
1.105 +public:
1.106 + FT2FontFamily(const nsAString& aName) :
1.107 + gfxFontFamily(aName) { }
1.108 +
1.109 + // Append this family's faces to the IPC fontlist
1.110 + void AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList);
1.111 +};
1.112 +
1.113 +class gfxFT2FontList : public gfxPlatformFontList
1.114 +{
1.115 +public:
1.116 + gfxFT2FontList();
1.117 +
1.118 + virtual gfxFontFamily* GetDefaultFont(const gfxFontStyle* aStyle);
1.119 +
1.120 + virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
1.121 + const nsAString& aFontName);
1.122 +
1.123 + virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
1.124 + const uint8_t *aFontData,
1.125 + uint32_t aLength);
1.126 +
1.127 + void GetFontList(InfallibleTArray<FontListEntry>* retValue);
1.128 +
1.129 + static gfxFT2FontList* PlatformFontList() {
1.130 + return static_cast<gfxFT2FontList*>(gfxPlatformFontList::PlatformFontList());
1.131 + }
1.132 +
1.133 +protected:
1.134 + virtual nsresult InitFontList();
1.135 +
1.136 + void AppendFaceFromFontListEntry(const FontListEntry& aFLE,
1.137 + bool isStdFile);
1.138 +
1.139 + void AppendFacesFromFontFile(const nsCString& aFileName,
1.140 + bool isStdFile = false,
1.141 + FontNameCache *aCache = nullptr);
1.142 +
1.143 + void AppendFacesFromOmnijarEntry(nsZipArchive *aReader,
1.144 + const nsCString& aEntryName,
1.145 + FontNameCache *aCache,
1.146 + bool aJarChanged);
1.147 +
1.148 + void AppendFacesFromCachedFaceList(const nsCString& aFileName,
1.149 + bool isStdFile,
1.150 + const nsCString& aFaceList);
1.151 +
1.152 + void AddFaceToList(const nsCString& aEntryName, uint32_t aIndex,
1.153 + bool aStdFile, FT_Face aFace, nsCString& aFaceList);
1.154 +
1.155 + void FindFonts();
1.156 +
1.157 + void FindFontsInOmnijar(FontNameCache *aCache);
1.158 +
1.159 +#ifdef ANDROID
1.160 + void FindFontsInDir(const nsCString& aDir, FontNameCache* aFNC);
1.161 +#endif
1.162 +
1.163 + nsTHashtable<nsStringHashKey> mSkipSpaceLookupCheckFamilies;
1.164 +};
1.165 +
1.166 +#endif /* GFX_FT2FONTLIST_H */
