зеркало из https://github.com/mozilla/gecko-dev.git
124 строки
4.4 KiB
C++
124 строки
4.4 KiB
C++
/* -*- 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);
|
|
|
|
static FT_Library GetFTLibrary();
|
|
|
|
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);
|
|
|
|
};
|
|
|
|
#endif /* GFX_FONTCONFIG_FONTS_H */
|