зеркало из https://github.com/mozilla/gecko-dev.git
136 строки
4.3 KiB
C++
136 строки
4.3 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_FT2FONTLIST_H
|
|
#define GFX_FT2FONTLIST_H
|
|
|
|
#ifdef XP_WIN
|
|
#include "gfxWindowsPlatform.h"
|
|
#include <windows.h>
|
|
#endif
|
|
#include "gfxPlatformFontList.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class FontListEntry;
|
|
};
|
|
};
|
|
using mozilla::dom::FontListEntry;
|
|
|
|
class FontNameCache;
|
|
typedef struct FT_FaceRec_* FT_Face;
|
|
|
|
class FT2FontEntry : public gfxFontEntry
|
|
{
|
|
public:
|
|
FT2FontEntry(const nsAString& aFaceName) :
|
|
gfxFontEntry(aFaceName)
|
|
{
|
|
mFTFace = nullptr;
|
|
mFontFace = nullptr;
|
|
mFTFontIndex = 0;
|
|
}
|
|
|
|
~FT2FontEntry();
|
|
|
|
const nsString& GetName() const {
|
|
return Name();
|
|
}
|
|
|
|
// create a font entry for a downloaded font
|
|
static FT2FontEntry*
|
|
CreateFontEntry(const gfxProxyFontEntry &aProxyEntry,
|
|
const uint8_t *aFontData, uint32_t aLength);
|
|
|
|
// create a font entry representing an installed font, identified by
|
|
// a FontListEntry; the freetype and cairo faces will not be instantiated
|
|
// until actually needed
|
|
static FT2FontEntry*
|
|
CreateFontEntry(const FontListEntry& aFLE);
|
|
|
|
// Create a font entry for a given freetype face; if it is an installed font,
|
|
// also record the filename and index
|
|
// aFontData (if non-NULL) is NS_Malloc'ed data that aFace depends on,
|
|
// to be freed after the face is destroyed
|
|
static FT2FontEntry*
|
|
CreateFontEntry(FT_Face aFace, const char *aFilename, uint8_t aIndex,
|
|
const nsAString& aName,
|
|
const uint8_t *aFontData = nullptr);
|
|
|
|
virtual gfxFont *CreateFontInstance(const gfxFontStyle *aFontStyle,
|
|
bool aNeedsBold);
|
|
|
|
cairo_font_face_t *CairoFontFace();
|
|
cairo_scaled_font_t *CreateScaledFont(const gfxFontStyle *aStyle);
|
|
|
|
nsresult ReadCMAP();
|
|
nsresult GetFontTable(uint32_t aTableTag, FallibleTArray<uint8_t>& aBuffer);
|
|
|
|
// Check for various kinds of brokenness, and set flags on the entry
|
|
// accordingly so that we avoid using bad font tables
|
|
void CheckForBrokenFont();
|
|
|
|
virtual void SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf,
|
|
FontListSizes* aSizes) const;
|
|
virtual void SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf,
|
|
FontListSizes* aSizes) const;
|
|
|
|
FT_Face mFTFace;
|
|
cairo_font_face_t *mFontFace;
|
|
|
|
nsCString mFilename;
|
|
uint8_t mFTFontIndex;
|
|
};
|
|
|
|
class FT2FontFamily : public gfxFontFamily
|
|
{
|
|
public:
|
|
FT2FontFamily(const nsAString& aName) :
|
|
gfxFontFamily(aName) { }
|
|
|
|
// Append this family's faces to the IPC fontlist
|
|
void AddFacesToFontList(InfallibleTArray<FontListEntry>* aFontList);
|
|
};
|
|
|
|
class gfxFT2FontList : public gfxPlatformFontList
|
|
{
|
|
public:
|
|
gfxFT2FontList();
|
|
|
|
virtual gfxFontEntry* GetDefaultFont(const gfxFontStyle* aStyle,
|
|
bool& aNeedsBold);
|
|
|
|
virtual gfxFontEntry* LookupLocalFont(const gfxProxyFontEntry *aProxyEntry,
|
|
const nsAString& aFontName);
|
|
|
|
virtual gfxFontEntry* MakePlatformFont(const gfxProxyFontEntry *aProxyEntry,
|
|
const uint8_t *aFontData,
|
|
uint32_t aLength);
|
|
|
|
void GetFontList(InfallibleTArray<FontListEntry>* retValue);
|
|
|
|
static gfxFT2FontList* PlatformFontList() {
|
|
return static_cast<gfxFT2FontList*>(gfxPlatformFontList::PlatformFontList());
|
|
}
|
|
|
|
protected:
|
|
virtual nsresult InitFontList();
|
|
|
|
void AppendFaceFromFontListEntry(const FontListEntry& aFLE,
|
|
bool isStdFile);
|
|
|
|
void AppendFacesFromFontFile(nsCString& aFileName,
|
|
bool isStdFile = false,
|
|
FontNameCache *aCache = nullptr);
|
|
|
|
void AppendFacesFromCachedFaceList(nsCString& aFileName,
|
|
bool isStdFile,
|
|
nsCString& aFaceList);
|
|
|
|
void FindFonts();
|
|
};
|
|
|
|
#endif /* GFX_FT2FONTLIST_H */
|