зеркало из https://github.com/mozilla/gecko-dev.git
102 строки
3.4 KiB
C++
102 строки
3.4 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_PANGOFONTS_H
|
|
#define GFX_PANGOFONTS_H
|
|
|
|
#include "cairo.h"
|
|
#include "gfxTypes.h"
|
|
#include "gfxFont.h"
|
|
|
|
#include "nsAutoRef.h"
|
|
#include "nsTArray.h"
|
|
|
|
#include <pango/pango.h>
|
|
|
|
class gfxFcFontSet;
|
|
class gfxFcFont;
|
|
class gfxProxyFontEntry;
|
|
typedef struct _FcPattern FcPattern;
|
|
typedef struct FT_FaceRec_* FT_Face;
|
|
typedef struct FT_LibraryRec_ *FT_Library;
|
|
|
|
class THEBES_API gfxPangoFontGroup : public gfxFontGroup {
|
|
public:
|
|
gfxPangoFontGroup (const nsAString& families,
|
|
const gfxFontStyle *aStyle,
|
|
gfxUserFontSet *aUserFontSet);
|
|
virtual ~gfxPangoFontGroup ();
|
|
|
|
virtual gfxFontGroup *Copy(const gfxFontStyle *aStyle);
|
|
|
|
virtual gfxFont *GetFontAt(int32_t i);
|
|
|
|
virtual void UpdateFontList();
|
|
|
|
virtual already_AddRefed<gfxFont>
|
|
FindFontForChar(uint32_t aCh, uint32_t aPrevCh, int32_t aRunScript,
|
|
gfxFont *aPrevMatchedFont,
|
|
uint8_t *aMatchType);
|
|
|
|
static void Shutdown();
|
|
|
|
// Used for @font-face { src: local(); }
|
|
static gfxFontEntry *NewFontEntry(const gfxProxyFontEntry &aProxyEntry,
|
|
const nsAString &aFullname);
|
|
// Used for @font-face { src: url(); }
|
|
static gfxFontEntry *NewFontEntry(const gfxProxyFontEntry &aProxyEntry,
|
|
const uint8_t *aFontData,
|
|
uint32_t aLength);
|
|
|
|
// Interfaces used internally
|
|
// (but public so that they can be accessed from non-member functions):
|
|
|
|
// A language guessed from the gfxFontStyle
|
|
PangoLanguage *GetPangoLanguage() { return mPangoLanguage; }
|
|
|
|
private:
|
|
// @param aLang [in] language to use for pref fonts and system default font
|
|
// selection, or NULL for the language guessed from the gfxFontStyle.
|
|
// The FontGroup holds a reference to this set.
|
|
gfxFcFontSet *GetFontSet(PangoLanguage *aLang = NULL);
|
|
|
|
class FontSetByLangEntry {
|
|
public:
|
|
FontSetByLangEntry(PangoLanguage *aLang, gfxFcFontSet *aFontSet);
|
|
PangoLanguage *mLang;
|
|
nsRefPtr<gfxFcFontSet> mFontSet;
|
|
};
|
|
// There is only one of entry in this array unless characters from scripts
|
|
// of other languages are measured.
|
|
nsAutoTArray<FontSetByLangEntry,1> mFontSets;
|
|
|
|
gfxFloat mSizeAdjustFactor;
|
|
PangoLanguage *mPangoLanguage;
|
|
|
|
void GetFcFamilies(nsTArray<nsString> *aFcFamilyList,
|
|
nsIAtom *aLanguage);
|
|
|
|
// @param aLang [in] language to use for pref fonts and system font
|
|
// resolution, or NULL to guess a language from the gfxFontStyle.
|
|
// @param aMatchPattern [out] if non-NULL, will return the pattern used.
|
|
already_AddRefed<gfxFcFontSet>
|
|
MakeFontSet(PangoLanguage *aLang, gfxFloat aSizeAdjustFactor,
|
|
nsAutoRef<FcPattern> *aMatchPattern = NULL);
|
|
|
|
gfxFcFontSet *GetBaseFontSet();
|
|
gfxFcFont *GetBaseFont();
|
|
|
|
gfxFloat GetSizeAdjustFactor()
|
|
{
|
|
if (mFontSets.Length() == 0)
|
|
GetBaseFontSet();
|
|
return mSizeAdjustFactor;
|
|
}
|
|
|
|
static FT_Library GetFTLibrary();
|
|
};
|
|
|
|
#endif /* GFX_PANGOFONTS_H */
|