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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 */
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