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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxFontconfigFonts.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_FONTCONFIG_FONTS_H
+#define GFX_FONTCONFIG_FONTS_H
+
+#include "cairo.h"
+#include "gfxTypes.h"
+#include "gfxTextRun.h"
+
+#include "nsAutoRef.h"
+#include "nsTArray.h"
+
+#include <pango/pango.h>
+
+class gfxFcFontSet;
+class gfxFcFont;
+typedef struct _FcPattern FcPattern;
+typedef struct FT_FaceRec_* FT_Face;
+typedef struct FT_LibraryRec_ *FT_Library;
+
+class gfxPangoFontGroup : public gfxFontGroup {
+public:
+ gfxPangoFontGroup(const mozilla::FontFamilyList& aFontFamilyList,
+ const gfxFontStyle *aStyle,
+ gfxUserFontSet *aUserFontSet,
+ gfxFloat aDevToCssSize);
+ virtual ~gfxPangoFontGroup();
+
+ virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
+
+ virtual gfxFont* GetFirstValidFont(uint32_t aCh = 0x20);
+
+ virtual void UpdateUserFonts();
+
+ virtual already_AddRefed<gfxFont>
+ FindFontForChar(uint32_t aCh, uint32_t aPrevCh, uint32_t aNextCh,
+ Script aRunScript, gfxFont *aPrevMatchedFont,
+ uint8_t *aMatchType);
+
+ static void Shutdown();
+
+ // Used for @font-face { src: local(); }
+ static gfxFontEntry *NewFontEntry(const nsAString& aFontName,
+ uint16_t aWeight,
+ int16_t aStretch,
+ uint8_t aStyle);
+ // Used for @font-face { src: url(); }
+ static gfxFontEntry *NewFontEntry(const nsAString& aFontName,
+ uint16_t aWeight,
+ int16_t aStretch,
+ uint8_t aStyle,
+ const uint8_t* aFontData,
+ uint32_t aLength);
+
+private:
+
+ virtual gfxFont *GetFontAt(int32_t i, uint32_t aCh = 0x20);
+
+ // @param aLang [in] language to use for pref fonts and system default font
+ // selection, or nullptr for the language guessed from the
+ // gfxFontStyle.
+ // The FontGroup holds a reference to this set.
+ gfxFcFontSet *GetFontSet(PangoLanguage *aLang = nullptr);
+
+ class FontSetByLangEntry {
+ public:
+ FontSetByLangEntry(PangoLanguage *aLang, gfxFcFontSet *aFontSet);
+ PangoLanguage *mLang;
+ RefPtr<gfxFcFontSet> mFontSet;
+ };
+ // There is only one of entry in this array unless characters from scripts
+ // of other languages are measured.
+ AutoTArray<FontSetByLangEntry,1> mFontSets;
+
+ gfxFloat mSizeAdjustFactor;
+ PangoLanguage *mPangoLanguage;
+
+ // @param aLang [in] language to use for pref fonts and system font
+ // resolution, or nullptr to guess a language from the gfxFontStyle.
+ // @param aMatchPattern [out] if non-nullptr, will return the pattern used.
+ already_AddRefed<gfxFcFontSet>
+ MakeFontSet(PangoLanguage *aLang, gfxFloat aSizeAdjustFactor,
+ nsAutoRef<FcPattern> *aMatchPattern = nullptr);
+
+ gfxFcFontSet *GetBaseFontSet();
+ gfxFcFont *GetBaseFont();
+
+ gfxFloat GetSizeAdjustFactor()
+ {
+ if (mFontSets.Length() == 0)
+ GetBaseFontSet();
+ return mSizeAdjustFactor;
+ }
+
+ // old helper methods from gfxFontGroup, moved here so that those methods
+ // can be revamped without affecting the legacy code here
+
+ // iterate over the fontlist, lookup names and expand generics
+ void EnumerateFontListPFG(nsIAtom *aLanguage, void *aClosure);
+
+ // expand a generic to a list of specific names based on prefs
+ void FindGenericFontsPFG(mozilla::FontFamilyType aGenericType,
+ nsIAtom *aLanguage,
+ void *aClosure);
+
+ // lookup and add a font with a given name (i.e. *not* a generic!)
+ void FindPlatformFontPFG(const nsAString& aName,
+ bool aUseFontSet,
+ void *aClosure);
+
+ static void
+ ResolveGenericFontNamesPFG(mozilla::FontFamilyType aGenericType,
+ nsIAtom *aLanguage,
+ nsTArray<nsString>& aGenericFamilies);
+
+
+ friend class gfxSystemFcFontEntry;
+ static FT_Library GetFTLibrary();
+};
+
+#endif /* GFX_FONTCONFIG_FONTS_H */